CN103139799A - Network congestion detection method based on Femto system architecture and device based on femto system architecture - Google Patents
Network congestion detection method based on Femto system architecture and device based on femto system architecture Download PDFInfo
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- CN103139799A CN103139799A CN2011103982126A CN201110398212A CN103139799A CN 103139799 A CN103139799 A CN 103139799A CN 2011103982126 A CN2011103982126 A CN 2011103982126A CN 201110398212 A CN201110398212 A CN 201110398212A CN 103139799 A CN103139799 A CN 103139799A
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Abstract
The invention discloses a network congestion detection method based on an Femto system architecture. The method includes that amount information of a first message sent by Femto AP in current preset time duration and a sending result state information are recorded , and result state information are sent; at least one testing message is generated in the current preset time duration, the testing message is sent by the Femto AP to Femto GW, and a testing response message which is fed back to the Femto AP by the GW according to the received testing message is received; transmitting attribute information of the testing message on a Femto return trip network in the current preset time duration is determined according to states of the sent testing message and the received testing response message; and the Femto return trip network is judged whether to have network congestion in the current preset time duration according to the recorded sending amount information and sending result state information of the first message and/or according to the determined transmitting attribute information, and therefore different network transmission quality assurance mechanisms are well used aiming at different network transmission conditions.
Description
Technical field
The present invention relates to wireless communication technology field, especially relate to a kind of network congestion detection method and device based on the femto system framework.
Background technology
Femto (Femto) base station is a kind of small-sized, lower powered femtocell technology, air interface by standard is linked into mobile terminal the core network of operator by the fixed broadband circuit, the advantages such as investment is low, configuration moves fusion simply, admittedly because it has, accurate covering, the indoor places such as family and medium-sized and small enterprises have been widely used in, replenish the effective of indoor covering as Cellular Networks, for the user provides voice, high-speed data and other new business.As shown in Figure 1, the Femto system mainly is comprised of network elements such as Femto base station, Femto gateway (GW, Gateway), webmaster and security gateways.Wherein, Femto base station to the communication network between Femto GW is called the Femto backhaul network, mode by fixed broadband (comprises ADSL (Asymmetric Digital Subscriber Line) ADSL, Asymmetric Digital Subscriber Line with communication data in the Femto base station, FFFx, cable of cable TV CABLE etc.) be transferred in Femto GW, and transferred in core net by Femto GW.Because fixed broadband network is being born outside the broadband services data of transmission user, also need to carry Femto voice in the Femto backhaul network, video etc. to the extremely sensitive business of Internet Transmission quality, therefore the mode that adopts fixed broadband has been proposed higher demand as the Internet Transmission quality of Femto backhaul network.
as shown in Figure 2, the Femto backhaul network mainly is comprised of two parts, a part is based on the Access Network part of different access technologies, transmit (EoC as the ether data by coaxial cable, Ethernet over COAX), passive optical-fiber network (PON, Passive Optical Network) etc., another part is based on the agreement/multiprotocol label switching (IP that interconnects between network, Internet Protocol/MPLS, Multi-Protocol Label Switching) metropolitan area network part, in prior art, for Access Network part and metropolitan area network part, adopt respectively different Internet Transmission quality assurance systems.In the Access Network part, for different types of business datum of transmitting in network, after two layers of frame head of each business datum carry out the 802.1P mark, for different business datums is distributed different logical channels, then bind network transmission quality class letter for the different logical channel of distributing, and by structured programming (SP, Structured Programming) and the scheduling strategy such as weighting loop scheduling algorithm (WRR, Weighted Round Robin) guarantee the Internet Transmission quality of transmitting uplink data.
In the metropolitan area network part, DiffServ (DiffServ is mainly adopted in the guarantee of Internet Transmission quality, Differentiated Service) model is realized, at Access Layer, different types of business datum is carried out three layers of differentiated services code points (DSCP, Differentiated Services Code Point) mark, be the forwarding strategy that different business datums configures different DSCP on convergence-level or core layer, transmit according to the forwarding strategy that configures after the different business data arrive.
Security mechanism to the Internet Transmission quality of Femto backhaul network in above-mentioned prior art is all to take first to configure the mode of rear execution, can not automatically adjust according to network actual transmissions situation after configuration.Because the business datum of transmitting in backhaul network is different, therefore network condition is also real-time change, need to different Internet Transmission Quality Ensuring Mechanism be proposed for different Internet Transmission situations, but also there is no the detection scheme for the network congestion of Femto system architecture in prior art, therefore can't realize the different Internet Transmission Quality Ensuring Mechanism of heterogeneous networks transmission situation use for the Femto backhaul network of Femto system architecture.
Summary of the invention
The embodiment of the present invention provides a kind of network congestion detection method and device based on the femto system framework, and and then provides the method for the congested occurrence positions of a kind of definite femto system architecture network and device and system to realize can using different Internet Transmission Quality Ensuring Mechanism for the heterogeneous networks transmission situation of Femto system architecture.
Correspondingly, the embodiment of the present invention also proposes a kind of femto gateway.
Embodiment of the present invention technical scheme is as follows:
A kind of network congestion detection method based on femto Femto system architecture, comprise: be recorded in the quantity information of Femto base station AP transmission the first message in the current preset duration and the transmission result phase information that sends each the first message, described the first message is the service message that Femto AP sends to core net; In the current preset duration, generate respectively at least one test packet and be sent to Femto gateway GW by Femto AP, and receive described GW and feed back to the test response message of Femto AP for the test packet that receives; And according to sending test packet and receiving the state of test response message, determine current preset duration build-in test message at Femto AP the transmission property information to the backhaul network between described GW; According to the quantity forwarded information of the first message of record and send the transmission result phase information of each the first message and/or according to the transmission property information of determining, determine whether Femto AP network congestion occurs to the backhaul network between described GW in the current preset duration.
A kind of network congestion checkout gear based on femto Femto system architecture, comprise: message sends the state recording device, be used for being recorded in the quantity information of Femto base station AP transmission the first message in the current preset duration and the transmission result phase information that sends each the first message, described the first message is the service message that Femto AP sends to core net; The network measure unit is used for generating respectively at least one test packet and being sent to Femto gateway GW by Femto AP in the current preset duration, and receives described GW and feed back to the test response message of Femto AP for the test packet that receives; And according to sending test packet and receiving the state of test response message, determine current preset duration build-in test message at Femto AP the transmission property information to the backhaul network between described GW; The network decision unit, be used for according to message send state recording device record the first message quantity forwarded information and send the transmission result phase information of each the first message and/or according to the transmission property information of determining, determine whether Femto AP network congestion occurs to the backhaul network between described GW in the current preset duration.
A kind of femto Femto gateway comprises: the first message retransmission unit, be used for will Femto base station AP sends in the current preset duration each first message be forwarded to respectively core net, described the first message is the service message that Femto AP sends to core net; The network measure unit is used for receiving at least one test packet that Femto AP sends in the current preset duration, and feeds back the test response message of a correspondence to Femto AP after successfully receiving each test packet.
A kind of network congestion detection system based on the femto system framework comprises at least one Femto base station AP and at least one above-mentioned Femto GW, and wherein: described Femto AP comprises above-mentioned network congestion based on the Femto system architecture.
A kind of method of definite femto Femto system architecture network congestion occurrence positions comprises: when congested by the generation of the backhaul network between Femto AP to Femto GW in knowing the Femto system architecture, obtain the current network traffics of described backhaul network; According to the network traffics that obtain, determine the positional information of described backhaul network generation network congestion.
A kind of device of definite femto Femto system architecture network congestion occurrence positions, comprise: network traffics obtain the unit, be used for obtaining the current network traffics of described backhaul network when knowing that the Femto system architecture is congested by the generation of the backhaul network between Femto AP to Femto GW; The network condition decision unit is used for obtaining according to network traffics the network traffics that the unit obtains, and determines the positional information of described backhaul network generation network congestion.
The system of the congested occurrence positions of a kind of definite femto system architecture network comprises at least one Femto base station AP, at least one Femto GW as above, traffic monitoring equipment and Femto webmaster, wherein:
Described Femto AP comprises above-mentioned network congestion checkout gear based on the Femto system architecture; Described traffic monitoring equipment is used for monitoring Femto system architecture by the network traffics in the backhaul network between Femto AP to Femto GW, and the network traffics that monitor are obtained the source of backhaul network current network flow as described Femto webmaster; Described Femto webmaster comprises the device of above-mentioned definite Femto system architecture network congestion occurrence positions.
a kind of network congestion detection method based on the Femto system architecture that the embodiment of the present invention proposes, quantity information by being recorded in the service message that Femto AP in the current preset duration sends to core net and the transmission result phase information of each service message, and in the current preset duration, generate respectively at least one test packet and be sent to Femto gateway GW by Femto AP, and reception GW feeds back to the test response message of Femto AP to this test packet, then according to the state that sends test packet and reception test response message, determine the transmission property information on current preset duration build-in test message Femto backhaul network, according to the quantity forwarded information of the first message of record and send the transmission result phase information of each the first message and/or according to the transmission property information of determining, determine whether the backhaul network of Femto AP between the described GW network congestion occurs in the current preset duration, thereby realized preferably the heterogeneous networks transmission situation for the Femto backhaul network, use respectively different Internet Transmission Quality Ensuring Mechanism.
Description of drawings
Fig. 1 is in prior art, the Femto network configuration topological diagram of proposition;
Fig. 2 is in prior art, the Femto backhaul network schematic diagram of proposition;
Fig. 3 is in the embodiment of the present invention one, the network congestion detection method flow chart based on the Femto system architecture of proposition;
Fig. 4 is in the embodiment of the present invention, and the network congestion based on the Femto system architecture of proposition detects and reaches the system configuration composition diagram of determining positional information;
Fig. 5 is in the embodiment of the present invention two, the method flow diagram that is determined at Femto system architecture network congestion occurrence positions of proposition.
Embodiment
for exist in prior art because not for the detection scheme of the network congestion of Femto system architecture, can't realize using for the different Internet Transmission situation in the backhaul network under the Femto system architecture problem of different Internet Transmission Quality Ensuring Mechanism, the embodiment of the present invention proposes a kind of network congestion detection method based on the Femto system architecture here, quantity information by being recorded in the service message that Femto AP in the current preset duration sends to core net and the transmission result phase information of each service message, and in the current preset duration, generate respectively at least one test packet and be sent to Femto gateway GW by Femto AP, and reception GW feeds back to the test response message of Femto AP to this test packet, then according to the state that sends test packet and reception test response message, determine the transmission property information on current preset duration build-in test message Femto backhaul network, according to the quantity forwarded information of the first message of record and send the transmission result phase information of each the first message and/or according to the transmission property information of determining, determine whether the Femto backhaul network network congestion occurs in the current preset duration.And occur when congested determining backhaul network, obtain the current network traffics of backhaul network, according to the network traffics that obtain, determine the positional information of backhaul network generation network congestion, thereby can be preferably according to the positional information of the generation network congestion of determining, realization is used respectively different Internet Transmission Quality Ensuring Mechanism for the heterogeneous networks transmission situation of Femto backhaul network.
Embodiment of the present invention technical scheme main realized principle, embodiment and the beneficial effect that should be able to reach is at length set forth below in conjunction with each accompanying drawing.
The embodiment of the present invention proposes a kind of network congestion detection method based on the Femto system architecture here, and as shown in Figure 3, detailed process is as follows:
Wherein, the specific implementation process of step 31 is: in current predefined time range, record quantity information, the transmitting time of each service message and the information such as transmission state of each service message of the service message of Femto AP transmission.Wherein, predefined time range, it can be several hours, it can be also a few minutes, a kind of better implementation, the time range that the present embodiment is set here is take 2 hours as the interval, periodically records the quantity information of the service message that Femto AP sends and the information such as transmission state of service message.
Particularly, be recorded in the current preset duration, send the quantity information of test packet and send the temporal information of each test packet, and the quantity information of the test response message that receives of record and receive the temporal information of each test response message; According to the quantity information of the transmission test packet of record and send the temporal information of each test packet and the quantity information of the test response message that receives and receive the temporal information of each test response message, determine in the transmission property information of current preset duration build-in test message on the backhaul network between Femto AP to Femto GW.
a kind of better implementation, in presetting time range, the periodic test packet that is used for test Femto backhaul network transmission quality that generates specified quantity, and with the test packet that generates by FemtoAP continuous be sent to Femto GW, and record sends the quantity of test packet, the transmitting time of each test packet, the information such as transmission state, and reception Femto GW feeds back to the test response message of Femto AP to each test packet that receives, and the quantity that records the test response message that receives, the time of reception of each test response message, the information such as accepting state, then determine transmission property information on the Femto backhaul network according to the test packet of record and the relevant information of test response message.
Need to prove, the embodiment of the present invention one propose here according to the quantity forwarded information of the first message of record and send the transmission result phase information of each the first message, determine that transmission property information on the Femto backhaul network determines whether backhaul network between Femto AP to Femto GW network congestion occurs in current predefined time range method belongs to the passive measurement mode.And the state according to transmission test packet and reception test response message that the embodiment of the present invention one proposes here, determine in the transmission property information of current preset duration build-in test message on the backhaul network between Femto AP to Femto GW, then determine that according to the transmission property information on the Femto backhaul network of determining the method whether backhaul network between Femto AP to Femto GW network congestion occurs belongs to initiatively metering system in current predefined time range.
Wherein, adopt the passive measurement mode to determine whether the backhaul network between Femto AP to Femto GW in current predefined time range, network congestion occurs, can but be not limited to adopt following dual mode to determine:
first kind of way: according to the transmission result phase information of each the first message that records, determine to send the quantity information of the first message unsuccessfully, in the quantity forwarded information of the first message of record greater than predefined first threshold, and the quantity information of the first message of the transmission failure of determining is during less than predefined Second Threshold, determine that the backhaul network between Femto AP to Femto GW in current predefined time range, network congestion does not occur, otherwise, quantity forwarded information at the first message that records is not more than predefined first threshold, and when the quantity information of the first message of the transmission failure of determining is not less than predefined Second Threshold, determine that the Femto backhaul network in current predefined time range, network congestion occurs.For example, when predefined time range is 60 minutes, predefined first threshold Q1 is 80, Second Threshold Q2 is 30, if within 60 minutes, the quantity forwarded of record the first message adds up to 100, the first message sends failed quantity and adds up to 20, because 100＞Q1=80 and 20＜Q2=30 determine that the Femto backhaul network does not occur congested within these 60 minutes.
The second way: in predefined time range, when the ratio of the quantity forwarded information of the first message of the quantity information of the first message of the transmission failure of determining and record is not more than predefined the 3rd threshold value, determine that the backhaul network between Femto AP to Femto GW in current predefined time range, network congestion does not occur; Otherwise during greater than predefined the 3rd threshold value, network congestion occurs in definite Femto backhaul network in the current preset duration at the ratio of the quantity information of the first message of the transmission failure of determining and the quantity forwarded information of the first message of record.For example, predefined time range is 40 minutes, predefined the 3rd threshold value Q3 is 0.8, if when determining the ratio of quantity forwarded of the first message of the quantity that sends the first message unsuccessfully and record and being 0.85＞Q3=0.8, determine that the Femto backhaul network in the current preset duration, network congestion occurs.
Wherein, adopt initiatively metering system to determine whether this backhaul network the embodiment of network congestion occurs, can but be not limited to adopt the combination of one or more modes in following three kinds of modes:
First kind of way: determine according to the packet loss of determining whether the Femto backhaul network network congestion occurs in the current preset duration: when being specially packet loss at the test packet of determining more than or equal to predefined the 4th threshold value, determine that the Femto backhaul network in the current preset duration, network congestion occurs, otherwise network congestion does not occur in no definite this backhaul network in the current preset duration.
The second way: determine according to the delay variation value of determining whether the Femto backhaul network network congestion occurs in the current preset duration: when being specially delay variation value at the test packet of determining more than or equal to predefined the 5th threshold value, determine that the Femto backhaul network in the current preset duration, network congestion occurs, otherwise determine that network congestion does not occur this backhaul network in the current preset duration.
The third mode: determine according to the One Way Delay of determining whether the Femto backhaul network network congestion occurs in the current preset duration: when being specially One Way Delay at the test packet of determining more than or equal to predefined the 6th threshold value, determine that the Femto backhaul network in the current preset duration, network congestion occurs, otherwise determine that network congestion does not occur this backhaul network in the current preset duration.
Wherein, the 4th threshold value, the 5th threshold value and the 6th threshold value that relate in above-mentioned three kinds of modes can be that network optimization engineer presets according to application demand, can be also as the reference foundation with some description of equipment or network protocol specifies.Preferably, with the numerical value of " requirement of YDT 1071-2000 IP phone gateway equipment and technology " regulation, the basis of design as the 4th threshold value, the 5th threshold value and the 6th threshold value specifically sees also following table 1 to the embodiment of the present invention one here:
Table 1
| One Way Delay (ms) | Delay variation (ms) | Packet loss |
| ≤80ms | ≤20ms | ≤1％ |
Need to prove, in above-mentioned steps 31～step 35, in same predefined time range, adopted respectively different modes to determine whether the Femto backhaul network network congestion occurs in the current preset duration, the mode of the passive measurement that a kind of mode adopts, the mode that the active that another kind of mode adopts is measured.Dual mode (initiatively metering system and passive measurement mode) can use simultaneously, also can separately use.
preferably, the embodiment of the present invention is here in predefined time range, adopt simultaneously two kinds of definite Femto backhaul networks that congested method occurs, during the service message that not needing in the Femto backhaul network can to realize transmitting (when the passive measurement mode lost efficacy), also can adopt the active metering system to determine whether the Femto backhaul network network congestion occurs, can also be when current backhaul network generation network congestion be determined in passive measurement, do not enable the mode of initiatively measuring within a period of time, after this backhaul network is optimized, reactivate again the mode of initiatively measuring, thereby congested accurately the deciding with comprehensive of Femto backhaul network can guaranteed to determine, also can not increase simultaneously the network load of Femto backhaul network.
Correspondingly, according to above-mentioned network congestion detection method based on the Femto system architecture, the embodiment of the present invention also proposes a kind of network congestion checkout gear based on the Femto system architecture here, this device can be integrated in any one equipment in the Femto system, also can arrange separately, preferably, the embodiment of the present invention one is taked this device is integrated in Femto AP here, its concrete structure comprises as shown in Figure 4:
Message sends state recording device 41, be used for being recorded in the quantity information of Femto base station AP transmission the first message in the current preset duration and the transmission result phase information that sends each the first message, described the first message is the service message that Femto AP sends to core net.
Particularly, network measure unit 42, concrete being used for is recorded in the current preset duration, and send the quantity information of test packet and send the temporal information of each test packet, and the quantity information of the test response message that receives of record and receive the temporal information of each test response message; According to the quantity information of the transmission test packet of record and send the temporal information of each test packet and the quantity information of the test response message that receives and receive the temporal information of each test response message, determine current preset duration build-in test message at Femto AP the transmission property information to the backhaul network between described GW.
Alternatively, network decision unit 43 also is used for when determining described backhaul network and in the current preset duration, network congestion occurs, and the notification message of described backhaul network generation network congestion is reported to the Femto webmaster.
Particularly, network decision unit 43, the concrete transmission result phase information that is used for sending according to message each the first message of state recording device record, definite quantity information that sends the first message unsuccessfully; And the quantity forwarded information of the first message that sends state recording device record at message is greater than the quantity information of the first message of first threshold and the transmission failure determined during less than Second Threshold, perhaps when the ratio of the quantity information of the first message of the transmission failure of determining and the quantity forwarded information of the first message of record is not more than the 3rd threshold value, determine Femto AP extremely the backhaul network between described GW network congestion does not occur in the current preset duration; And be not more than first threshold and the quantity information of the first message of the transmission failure determined when being not less than Second Threshold in the quantity forwarded information of the first message of record, perhaps at the ratio of the quantity information of the first message of the transmission failure of determining and the quantity forwarded information of the first message of record during greater than the 3rd threshold value, determine Femto AP extremely the backhaul network between described GW network congestion occurs in the current preset duration.
Particularly, the transmission property information determined of network measure unit 42 comprises at least a information in packet loss, delay variation value and One Way Delay; Above-mentioned network decision unit 43, the concrete packet loss that is used for 42 test packets of determining in the network measure unit is during more than or equal to the 4th threshold value, determine that the backhaul network of Femto AP between the described GW in the current preset duration, network congestion occurs, otherwise determine that described backhaul network in the current preset duration, network congestion does not occur; When perhaps the delay variation value of 42 test packets of determining is more than or equal to the 5th threshold value in the network measure unit, determine that the backhaul network of emto AP between the described GW in the current preset duration, network congestion occurs, otherwise determine that described backhaul network in the current preset duration, network congestion does not occur; When perhaps the One Way Delay of 42 test packets of determining is more than or equal to the 6th threshold value in the network measure unit, determine that the backhaul network of Femto AP between the described GW in the current preset duration, network congestion occurs, otherwise determine that described backhaul network in the current preset duration, network congestion does not occur.
Correspondingly, the embodiment of the present invention has also proposed a kind of Femto gateway here, and its concrete structure comprises as shown in Figure 4:
The first message retransmission unit 51, be used for will Femto AP sends in the current preset duration each first message be forwarded to respectively core net, described the first message is the service message that Femto AP sends to core net;
The logical partitioning that the unit that above device comprises only carries out for the function that realizes according to this device in practical application, can be carried out stack or the fractionation of said units.And the function that the device that the embodiment of the present invention one provides is here realized is corresponding one by one with the said method flow process, and the more detailed handling process for this device is realized is described in detail in said method embodiment, is not described in detail herein.
Need to prove, the Femto AP that above-mentioned for comprising (as shown in Figure 4) proposes and Femto GW can realize based on based on the system of the network congestion measuring ability of Femto system architecture also within the protection range of claim of the present invention.
Embodiment two
Further, the embodiment of the present invention two proposes a kind of method of definite Femto system architecture network congestion occurrence positions on the basis of above-described embodiment one, and as shown in Figure 5, its detailed process is:
Wherein, know in the Femto system architecture by the backhaul network between Femto AP to Femto GW occur congested mode can but be not limited to adopt dual mode to realize, a kind of mode be by propose in above-described embodiment one to occur congested be that active reporting is to the Femto Network Management Equipment detecting backhaul network based on the network congestion checkout gear of Femto system architecture.Another kind of mode can be to know in the Femto system architecture by the congested message of the generation of the backhaul network between Femto AP to Femto GW in the network congestion checkout gear based on the Femto system architecture that is proposed in above-described embodiment one by the Femto Network Management Equipment.
Wherein, obtain the current network traffics of Femto backhaul network, can but be not limited to adopt following dual mode:
First kind of way: by at the Femto backhaul network, traffic monitoring equipment being set, by the network traffics of traffic monitoring monitoring of tools backhaul network, and the network traffics of the backhaul network that regularly monitoring is obtained report.
The second way: by at the Femto backhaul network, traffic monitoring equipment being set, when needs obtain the network traffics of current backhaul network, trigger network traffic monitoring equipment, the real-time current network flow data of obtaining.
Wherein, in the network traffics that obtain during more than or equal to predefined the 7th threshold value, network congestion necessarily occurs in the metropolitan area network side in the Femto backhaul network, but there are two kinds of situations in the Access Network side at the Femto backhaul network, a kind of situation is that the Access Network side network congestion may occur at this moment, and during another kind of situation, the Access Network side network congestion may occur not at this moment.
A kind of device of definite Femto system architecture network congestion occurrence positions correspondingly, has also been proposed in the embodiment of the present invention two.Need to prove, the device of definite Femto system architecture network congestion occurrence positions that the embodiment of the present invention two proposes here, can independently arrange, also can be integrated in the Femto system on any one equipment, preferably, the embodiment of the present invention two is integrated in said apparatus in the Femto Network Management Equipment here, and its concrete structure forms as shown in Figure 4, comprising:
Network traffics obtain unit 61, are used for obtaining the current network traffics of described backhaul network when knowing that the Femto system architecture is congested by the generation of the backhaul network between Femto AP to FemtoGW.
Network condition decision unit 62 is used for obtaining according to network traffics the network traffics that unit 61 obtains, and determines the positional information of described backhaul network generation network congestion.
Particularly, above-mentioned network condition decision unit 62, concrete being used for obtains network traffics that unit 61 obtains when presetting the 7th threshold value in network traffics, determines the Access Network side of position in the Femto backhaul network that network congestion occurs; And obtain network traffics that unit 61 obtains when presetting the 7th threshold value in network traffics, determine the metropolitan area network side of position in described backhaul network that described network congestion occurs.
Alternatively, network condition decision unit 62, also be used for the location information notification of the described backhaul network generation network congestion that will determine to strategic server, indicate described strategic server according to the positional information of notice, determine corresponding flow control strategy and send to for the traffic monitoring equipment that network traffics are controlled, and/or determine corresponding grade of service Promotion Strategy and send to for the service access control that service access is controlled.
alternatively, network condition decision unit 62 is when the location information notification of the described backhaul network generation network congestion that will determine is to strategic server, also can the internal register internal labeling should strategy the adjustment behavior, and the network flow data that after this each traffic monitoring equipment is reported is checked and is compared, judge according to the result of comparison whether network congestion is removed, can also be after definite network congestion be removed, be that the backhaul network transmission quality is optimized, control of network flow quantity strategy before the notification strategy server recovers to adjust, and removing is recorded in the related data in internal register.
Correspondingly, the embodiment of the present invention also proposes a kind of system of definite Femto system architecture network congestion occurrence positions here, comprises at least one Femto AP 101, at least one Femto GW 102, traffic monitoring equipment 201 and Femto webmaster 202, wherein:
The concrete structure constitute and function principle of Femto AP 101 and Femto GW 102 sees also elaborating in above-described embodiment one, no longer too much gives unnecessary details here.
Particularly, traffic monitoring equipment 201 is a kind of depth detection equipment, not only can complete traditional flow detection according to the five-tuple information of data message, can also identify to the application layer message of data the class of business of further accurate message.Wherein, the set-up mode in backhaul network of this equipment can but be not limited to adopt the mode that lays of series connection to be arranged in the Femto backhaul network, can be arranged on the Access Network side of Femto backhaul network, also can be arranged on the metropolitan area network side of Femto backhaul network, preferably, the embodiment of the present invention two adopts the service convergence layer that traffic monitoring equipment 201 is arranged on the metropolitan area network of backhaul network here, and all business datum flows that service convergence entered metropolitan area network are monitored.
Alternatively, traffic monitoring equipment 201 can also periodically report the Femto webmaster with the network traffics that monitor.
Wherein, the Femto webmaster can also be used for the network flow data that the traffic monitoring equipment periodic reports is stored in the flow distribution information bank of self.
Alternatively, the system of above-mentioned definite Femto system architecture network congestion occurrence positions can also comprise:
Wherein, strategic server 203 can be to be independent of other equipment to be arranged on separately an equipment under the Femto system architecture, can be also in other equipment that are integrated under the Femto system architecture, preferably, the embodiment of the present invention adopts the independent mode that arranges here, is storing flow control strategy and the grade of service allocation strategy of current Femto backhaul network in strategic server 203.
Above-mentioned network flow monitoring equipment 201, also be used for the flow control strategy that network traffics are controlled sent according to strategic server 203, network traffics in described backhaul network are controlled, and service traffics that for example can limiting P 2 P are in certain bandwidth.
Alternatively, the system of above-mentioned definite Femto system architecture network congestion occurrence positions can also comprise service access control 204.
Use the network congestion detection method based on the Femto system architecture that proposes in the embodiment of the present invention to reach the method for determining the network congestion occurrence positions, the Femto backhaul network can be determined the concrete occurrence positions of network congestion in the situation that perceive network congestion, and according to the Internet Transmission quality, network traffics is adjusted and/or according to the relevant optimisation strategy of strategic server storage, backhaul network is adjusted.The priority that can realize increasing the bandwidth of high value business and promote the high value business reduces the bandwidth of low value business and the priority of reduction low value business.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (21)
1. the network congestion detection method based on femto Femto system architecture, is characterized in that, comprising:
Be recorded in the quantity information of Femto base station AP transmission the first message in the current preset duration and the transmission result phase information that sends each the first message, described the first message is the service message that Femto AP sends to core net;
In the current preset duration, generate respectively at least one test packet and be sent to Femto gateway GW by Femto AP, and receive described GW and feed back to the test response message of Femto AP for the test packet that receives; And
According to sending test packet and receiving the state of test response message, determine current preset duration build-in test message at Femto AP the transmission property information to the backhaul network between described GW;
According to the quantity forwarded information of the first message of record and send the transmission result phase information of each the first message and/or according to the transmission property information of determining, determine whether Femto AP network congestion occurs to the backhaul network between described GW in the current preset duration.
2. the method for claim 1, is characterized in that, according to the state that sends test packet and reception test response message, determines the transmission property information of test packet, comprising:
Be recorded in the current preset duration, send the quantity information of test packet and send the temporal information of each test packet, and the quantity information of the test response message that receives of record and receive the temporal information of each test response message;
According to the quantity information of the transmission test packet of record and send the temporal information of each test packet and the quantity information of the test response message that receives and receive the temporal information of each test response message, determine current preset duration build-in test message at Femto AP the transmission property information to the backhaul network between described GW.
3. the method for claim 1, is characterized in that, also comprises:
When determining described backhaul network and in the current preset duration, network congestion occurs, the notification message of described backhaul network generation network congestion is reported to the Femto webmaster.
4. the method for claim 1, is characterized in that, according to the quantity forwarded information of the first message of record and send the transmission result phase information of each the first message, determines that whether described backhaul network network congestion occurs, and comprising in the current preset duration:
According to the transmission result phase information of each the first message that records, determine to send the quantity information of the first message unsuccessfully;
In the quantity forwarded information of the first message of record greater than the quantity information of the first message of first threshold and the transmission failure determined during less than Second Threshold, perhaps when the ratio of the quantity information of the first message of the transmission failure of determining and the quantity forwarded information of the first message of record is not more than the 3rd threshold value, determine FemtoAP extremely the backhaul network between described GW network congestion does not occur in the current preset duration; And be not more than first threshold and the quantity information of the first message of the transmission failure determined when being not less than Second Threshold in the quantity forwarded information of the first message of record, perhaps at the ratio of the quantity information of the first message of the transmission failure of determining and the quantity forwarded information of the first message of record during greater than the 3rd threshold value, determine Femto AP extremely the backhaul network between described GW network congestion occurs in the current preset duration.
5. method as claimed in claim 1 or 2, is characterized in that, described transmission property information comprises at least a information in packet loss, delay variation value and One Way Delay;
According to the transmission property information of determining, determine that whether described backhaul network network congestion occurs, and comprising in the current preset duration:
At the packet loss of the test packet of determining during more than or equal to the 4th threshold value, determine that the backhaul network of Femto AP between the described GW in the current preset duration, network congestion occurs, otherwise determine that described backhaul network in the current preset duration, network congestion does not occur; Perhaps
In the delay variation value of the test packet of determining during more than or equal to the 5th threshold value, determine that the backhaul network of Femto AP between the described GW in the current preset duration, network congestion occurs, otherwise determine that described backhaul network in the current preset duration, network congestion does not occur; Perhaps
At the One Way Delay of the test packet of determining during more than or equal to the 6th threshold value, determine that the backhaul network of Femto AP between the described GW in the current preset duration, network congestion occurs, otherwise determine that described backhaul network in the current preset duration, network congestion does not occur.
6. the network congestion checkout gear based on femto Femto system architecture, is characterized in that, comprising:
Message sends the state recording device, be used for being recorded in the quantity information of Femto base station AP transmission the first message in the current preset duration and the transmission result phase information that sends each the first message, described the first message is the service message that Femto AP sends to core net;
The network measure unit is used for generating respectively at least one test packet and being sent to Femto gateway GW by Femto AP in the current preset duration, and receives described GW and feed back to the test response message of Femto AP for the test packet that receives; And according to sending test packet and receiving the state of test response message, determine current preset duration build-in test message at Femto AP the transmission property information to the backhaul network between described GW;
The network decision unit, be used for according to message send state recording device record the first message quantity forwarded information and send the transmission result phase information of each the first message and/or according to the transmission property information that the network measure unit is determined, determine whether Femto AP network congestion occurs to the backhaul network between described GW in the current preset duration.
7. device as claimed in claim 6, it is characterized in that, described network measure unit, concrete being used for is recorded in the current preset duration, send the quantity information of test packet and send the temporal information of each test packet, and the quantity information of the test response message that receives of record and receive the temporal information of each test response message; According to the quantity information of the transmission test packet of record and send the temporal information of each test packet and the quantity information of the test response message that receives and receive the temporal information of each test response message, determine current preset duration build-in test message at Femto AP the transmission property information to the backhaul network between described GW.
8. device as claimed in claim 6, it is characterized in that, described network decision unit also is used for when determining described backhaul network and in the current preset duration, network congestion occurs, and the notification message of described backhaul network generation network congestion is reported to the Femto webmaster.
9. device as claimed in claim 6, is characterized in that, described network decision unit, the concrete transmission result phase information that is used for sending according to message each the first message of state recording device record, definite quantity information that sends the first message unsuccessfully; And the quantity forwarded information of the first message that sends state recording device record at message is greater than the quantity information of the first message of first threshold and the transmission failure determined during less than Second Threshold, perhaps when the ratio of the quantity information of the first message of the transmission failure of determining and the quantity forwarded information of the first message of record is not more than the 3rd threshold value, determine Femto AP extremely the backhaul network between described GW network congestion does not occur in the current preset duration; And be not more than first threshold and the quantity information of the first message of the transmission failure determined when being not less than Second Threshold in the quantity forwarded information of the first message of record, perhaps at the ratio of the quantity information of the first message of the transmission failure of determining and the quantity forwarded information of the first message of record during greater than the 3rd threshold value, determine Femto AP extremely the backhaul network between described GW network congestion occurs in the current preset duration.
10. device as described in claim 6 or 7, is characterized in that, the transmission property information that described network measure unit is determined comprises at least a information in packet loss, delay variation value and One Way Delay;
Described network decision unit, the concrete packet loss that is used for the test packet determined in the network measure unit is during more than or equal to the 4th threshold value, determine that the backhaul network of Femto AP between the described GW in the current preset duration, network congestion occurs, otherwise determine that described backhaul network in the current preset duration, network congestion does not occur; The delay variation value of the test packet of perhaps determining in the network measure unit is during more than or equal to the 5th threshold value, determine that the backhaul network of emto AP between the described GW in the current preset duration, network congestion occurs, otherwise determine that described backhaul network in the current preset duration, network congestion does not occur; The One Way Delay of the test packet of perhaps determining in the network measure unit is during more than or equal to the 6th threshold value, determine that the backhaul network of Femto AP between the described GW in the current preset duration, network congestion occurs, otherwise determine that described backhaul network in the current preset duration, network congestion does not occur.
11. a femto Femto gateway is characterized in that, comprising:
The first message retransmission unit, be used for will Femto base station AP sends in the current preset duration each first message be forwarded to respectively core net, described the first message is the service message that Femto AP sends to core net;
The network measure unit is used for receiving at least one test packet that Femto AP sends in the current preset duration, and feeds back the test response message of a correspondence to Femto AP after successfully receiving each test packet.
12. the method for a definite femto Femto system architecture network congestion occurrence positions is characterized in that, comprising:
When congested by the generation of the backhaul network between Femto AP to Femto GW in knowing the Femto system architecture, obtain the current network traffics of described backhaul network;
According to the network traffics that obtain, determine the positional information of described backhaul network generation network congestion.
13. method as claimed in claim 12 is characterized in that, according to the network traffics that obtain, determines the positional information of described backhaul network generation network congestion, comprising:
During less than the 7th threshold value, determine the Access Network side of position in described backhaul network that described network congestion occurs in the network traffics that obtain;
During more than or equal to the 7th threshold value, determine the metropolitan area network side of position in described backhaul network that described network congestion occurs in the network traffics that obtain.
14. method as claimed in claim 12 is characterized in that, also comprises:
With the location information notification of the described backhaul network generation network congestion determined to strategic server, indicate described strategic server according to the positional information of notice, determine corresponding flow control strategy and send to for the traffic monitoring equipment that network traffics are controlled, and/or determine corresponding grade of service Promotion Strategy and send to for the service access control that service access is controlled.
15. the device of a definite femto Femto system architecture network congestion occurrence positions is characterized in that, comprising:
Network traffics obtain the unit, are used for obtaining the current network traffics of described backhaul network when knowing that the Femto system architecture is congested by the generation of the backhaul network between Femto AP to FemtoGW;
The network condition decision unit is used for obtaining according to network traffics the network traffics that the unit obtains, and determines the positional information of described backhaul network generation network congestion.
16. device as claimed in claim 15, it is characterized in that, described network condition decision unit, concrete being used for determined the Access Network side of position in described backhaul network that described network congestion occurs when network traffics obtain network traffics that the unit obtains less than the 7th threshold value; And when network traffics obtain network traffics that the unit obtains more than or equal to the 7th threshold value, determine the metropolitan area network side of position in described backhaul network that described network congestion occurs.
17. device as claimed in claim 15, it is characterized in that, described network condition decision unit, also be used for the location information notification of the described backhaul network generation network congestion that will determine to strategic server, indicate described strategic server according to the positional information of notice, determine corresponding flow control strategy and send to for the traffic monitoring equipment that network traffics are controlled, and/or determine corresponding grade of service Promotion Strategy and send to for the service access control that service access is controlled.
18. the network congestion detection system based on femto Femto system architecture is characterized in that, comprises at least one Femto base station AP and at least one Femto gateway GW as claimed in claim 11, wherein:
Described Femto AP comprises the described network congestion checkout gear based on the Femto system architecture of claim as arbitrary in claim 6～10.
19. the system of a definite femto Femto system architecture network congestion occurrence positions is characterized in that, comprises at least one Femto base station AP, at least one Femto gateway GW as claimed in claim 11, traffic monitoring equipment and Femto webmaster, wherein:
Described Femto AP comprises the network congestion checkout gear based on the Femto system architecture as described in 6～8 arbitrary claims;
Described traffic monitoring equipment is used for monitoring Femto system architecture by the network traffics in the backhaul network between Femto AP to Femto GW, and the network traffics that monitor are obtained the source of backhaul network current network flow as described Femto webmaster;
Described Femto webmaster comprises the device of definite Femto system architecture network congestion occurrence positions as described in 15～17 arbitrary claims.
20. system as claimed in claim 19 is characterized in that, also comprises:
Strategic server, the positional information of the backhaul network generation network congestion between Femto AP to the Femto GW that is used for determining according to described Femto webmaster is determined corresponding flow control strategy and sends to described traffic monitoring equipment;
Described network flow monitoring equipment also is used for the flow control strategy that network traffics are controlled sent according to strategic server, and the network traffics in described backhaul network are controlled.
21. system as claimed in claim 20 is characterized in that, also comprises service access control;
Strategic server, the positional information of the backhaul network generation network congestion between FemtoAP to the Femto GW that also is used for determining according to described Femto webmaster is determined corresponding grade of service Promotion Strategy;
Described service access control is controlled service access for the grade of service Promotion Strategy of each business of correspondence of determining according to strategic server.
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