CN101815004A - Equipment business configurate method of passive optical network - Google Patents
Equipment business configurate method of passive optical network Download PDFInfo
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- CN101815004A CN101815004A CN201010116147A CN201010116147A CN101815004A CN 101815004 A CN101815004 A CN 101815004A CN 201010116147 A CN201010116147 A CN 201010116147A CN 201010116147 A CN201010116147 A CN 201010116147A CN 101815004 A CN101815004 A CN 101815004A
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Abstract
The invention discloses an equipment business configurate method of a passive optical network, which comprises the following steps: A10. dividing the equipment business into one or a plurality of command packs when a network management system carries out business configuration; A20. sequentially sending the command packs, wherein a protocol head of each command pack comprises command types, total pack numbers, the current pack sequence number, the current pack sending times, the current stationary load length and the total length of stationary load; A30. judging whether the command pack received by the network equipment is a single-pack command or not; and A40. completing the business configuration through the single-command-pack confirmation and re-transferring mechanism for the single-pack commands, and otherwise, completing the business configuration through multi-command-pack confirmation and re-transferring mechanism. The invention has the advantages that the reliability of the transmission passage can be improved under the condition of the existence of the network fault or time delay of the network management system and the network equipment, so a reliable configuration passage is established between the network management system and the passive optical network equipment, and the influence on the business configuration by undetermined factors such as network faults or time delay and the like can be reduced.
Description
Technical field
The present invention relates to the EPON Access Network, especially the appliance services collocation method of EPON.
Background technology
In the EPON based on snmp protocol, the mode of network management system by issuing SNMP bag is to network equipment distribution configuration command, and wherein configuration order is divided into single bag order and many bag orders by the quantity of contained SNMP bag.The process that network management system is assigned instruction to the network equipment is as follows:
(1), network management system issues SNMP-Set and wraps to the network equipment;
(2), after the network equipment receives SNMP-Set bag, deposit execution result in the SNMP-Response bag, and return network management system;
If the SNMP of configuration order bag does not distribute, then repeat above-mentioned steps (1) and (2).
In the mutual process of above-mentioned network management system and passive optical network equipment, because uncertain factors such as network failure, time-delay exist, one or more SNMP packet loss may occur, cause configuration order unsuccessful, cause great difficulty for service fulfillment and regular maintenance.
Summary of the invention
Technical problem to be solved by this invention is to solve in the EPON to cause the unsuccessful problem of configuration order owing to one or more SNMP packet loss occur.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention provides a kind of passive optical network equipment service configuration method, may further comprise the steps,
When A10, network management system are carried out business configuration to the network equipment, be divided into one or more order bags according to the size of business configuration data;
A20, network management system send the order bag to the network equipment successively, the communication protocol of described order bag comprises protocol header and payload user data, comprises in the described protocol header that order classification, overall budget number, current bag sequence number, current bag send number of times, current quiet lotus length and quiet lotus total length;
A30, the network equipment are whether serve as judged result that single bag order to basis for estimation if obtaining this order bag with the overall budget number in the order packet protocol head;
A40, when judged result shows this order bag for single bag order, confirm and retransmission mechanism is finished business configuration by the single command bag; When judged result shows that it is when wrapping order, to finish business configuration by affirmation of many orders bag and retransmission mechanism that this order is wrapped more;
Described single command bag is confirmed and retransmission mechanism is meant that network management system should receive the bag that returns of the network equipment send a configuration order to the network equipment after in the order of appointment is delayed time, if receive then the configuration order end, otherwise network management system resends this order bag;
Described many order bags are confirmed and retransmission mechanism comprises many order bag read operations and many order bag write operations, and the network equipment is whether serve as the judged results of wrapping write operation order to basis for estimation more if obtaining this order bag with the order classification in the order packet protocol head; When judged result shows that this order bag wraps read operation for many orders, network management system sends a plurality of configuration order bags of reading successively to the network equipment, the network equipment returns corresponding configuration packet after receiving orders and wrapping, the configuration packet that network management system will be received successively deposits buffer memory in, after the complete order bag all receives configuration packet, the more a plurality of configuration packet in the buffer memory are stitched together and pass to the network management system high-level interface and handle; When judged result shows that this order bag wraps write operation for many orders, network management system sends a plurality of configuration order bags of writing successively to the network equipment, the order bag that the network equipment will be received deposits buffer memory in, after all collecting etc. the complete order bag, a plurality of bags in the buffer memory are stitched together pass to layer interface under the network equipment, at last result is returned to network management system.
In the such scheme, when network management system resend the order bag, if the operation accumulative total of giving out a contract for a project is not all received the correct bag that returns 3 times, then configuration finished, and network management system report configuration order is unsuccessful.
Further, when network management system and each order bag of network equipment reception, all to carry out the verification of order bag correctness and two kinds of verifications of the order ageing verification of bag successively, the correctness verification is verified by order packet length and payload length, if not by verifying correctness then show that this order wraps in mistake in the transmission, abandon this order bag and do not deal with; The real-time verification sends number of times by current bag sequence number and current bag to be judged, if not by check then show that this order bag is the invalid command bag that time-delay arrives or repeats to send, abandons this order and wraps and do not deal with.
Further, the network management system side is wanted the order delay clock of this side of initialization before giving out a contract for a project for the first time, send an order bag when network management system side starts delay clock, return bag and will order the delay clock zero clearing to be counted again after overtime, and resend this order bag.
The present invention, can make the network management system and the network equipment under the situation of network failure or time-delay existence, improve the reliability of transmission channel, thereby between network management system and passive optical network equipment, set up a reliable collocation channel, reduce of the influence of uncertain factors such as network failure or time-delay business configuration.
Description of drawings
Fig. 1 network management system and passive optical network equipment communications protocol format;
Fig. 2 network management system business configuration command execution flow chart;
The normal mutual schematic diagram of Fig. 3 list bag order;
Mutual schematic diagram is retransmitted in the order of Fig. 4 list bag;
Fig. 5 wraps the normal mutual schematic diagram of write order more;
Fig. 6 wraps the normal mutual schematic diagram of read command more;
Fig. 7 wraps write order more and retransmits schematic diagram;
Fig. 8 wraps read command more and retransmits schematic diagram.
Embodiment
The invention provides a kind of appliance services collocation method of EPON, be used between network management system and passive optical network equipment, setting up a reliable collocation channel, reduce owing to of the influence of uncertain factors such as network failure or time-delay to business configuration.Below in conjunction with accompanying drawing the present invention is made detailed explanation.
As shown in Figure 2, the present invention includes following steps:
When A10, network management system are carried out business configuration to the network equipment, at first the business configuration data are packaged, promptly the size according to the business configuration data is divided into one or more order bags;
A20, network management system send first order bag to the network equipment, the communications protocol format of this order bag as shown in Figure 1, this agreement comprises protocol header and payload user data, and protocol header comprises that order classification, overall budget number, current bag sequence number, current bag send number of times, current quiet lotus length and quiet lotus total length;
A30, the network equipment are whether serve as judged result that single bag order to basis for estimation if obtaining this order bag with the overall budget number in the order packet protocol head;
A40, when judged result shows this order bag for single bag order, confirm and retransmission mechanism is finished business configuration by the single command bag; When judged result shows that it is when wrapping order, to finish business configuration by affirmation of many orders bag and retransmission mechanism that this order is wrapped more.
Affirmation of single command bag and retransmission mechanism are finished business configuration and be may further comprise the steps, as shown in Figure 3, Figure 4,
A301, network management system send the order bag;
If the A302 network equipment receives the order bag, then return corresponding affirmation bag and confirm; The bag if the network equipment does not receive orders, then execution in step A304;
Confirm bag if the A303 network management system receives correct returning in official hour, then configuration finishes (referring to Fig. 3); Otherwise, execution in step A304;
A304, network management system resend this order bag, if the operation accumulative total of giving out a contract for a project does not all receive that correct returning confirm bag for 3 times, then finish configuration and report transmitting order to lower levels unsuccessful (referring to Fig. 4).
Affirmation of many order bags and retransmission mechanism are finished business configuration and be may further comprise the steps:
A311, the network equipment are whether serve as the judged results of wrapping write operation order to basis for estimation more if obtaining this order bag with the order classification in the order packet protocol head;
A312, when judged result shows this order bag for many bag write operation orders, execution in step S501 then is as Fig. 5, shown in Figure 7; When judged result showed this order bag for many bag read operation orders, execution in step S601 then was as Fig. 6, shown in Figure 8.
The order delay clock of S501, network management system initialization webmaster side also starts this clock, sends first write order bag to the network equipment afterwards, carries the overall budget number of write order bag in this order bag;
S502, the network equipment are received the write order bag that network management system sends, then execution in step S503; Otherwise the network equipment is waited for and is received the order bag;
Whether S503, the network equipment serve as zero to obtain as basis for estimation whether the current command bag is the judged result of write order text bag with the current bag sequence number in the order packet protocol head of receiving, when judged result shows that the current command bag is write order text bag, execution in step S504; When judged result shows that the current command bag is not write order text bag, then this write order bag is not dealt with, continue to wait for reception Next Command bag;
The correctness of the order bag that S504, check receive, the correctness verification is verified by order packet length and payload length, as not showing then that by check this order wraps in mistake in the transmission, abandon this order bag and do not deal with, wait for that the command timeout of network management system side is retransmitted; Otherwise execution in step S505;
S505, check the ageing of the order bag receive, the real-time verification sends number of times by current bag sequence number and current bag and judges, as not showing then that by check this order bag is the invalid command bag that time-delay arrives or repeats to send, abandon this order bag and do not deal with, wait for that the command timeout of network management system side is retransmitted; Otherwise execution in step S506;
The overall budget number whether S506, Network Management Equipment equal the order bag with current bag sequence number in the write order bag that receives is that basis for estimation obtains the judged result whether the write order bag of equipment side collects, if judged result shows this write order bag and collects, execution in step S507 then; Otherwise execution in step S508.
Pass to equipment lower floor interface after S507, the network equipment splice the order bag in its buffer memory and handle, and execution result is returned webmaster, configuration order finishes.
S508, the network equipment deposit the payload data in the write order bag of receiving in the equipment buffer memory, and return the affirmation bag to webmaster and confirm;
If receiving to return at the appointed time, the S509 network management system confirms bag, then execution in step S510; Otherwise network management system resends this order bag, and the order delay clock zero clearing of this side is counted again, and is all unsuccessful if network management system sends for three times, and then configuration order finishes and reports that transmitting order to lower levels is unsuccessful;
The correctness of returning the affirmation bag that S510, network management system check receive, the correctness verification is verified by returning length and the payload length of confirming bag, as not showing then that by check this returns affirmation and wraps in mistake in the transmission, abandon this and return and confirm that bag does not deal with, wait for that the command timeout of network management system side is retransmitted; Otherwise execution in step S511;
The ageing of bag confirmed in returning that S511, inspection receive, the real-time verification sends number of times by current bag sequence number and current bag and judges, as not showing then that by check this returns the affirmation bag is the invalid command bag that time-delay arrives or repeats to send, abandon this and return and confirm that bag does not process, wait for that the command timeout of network management system side is retransmitted; Otherwise execution in step S512;
S512, network management system confirm that with returning of receiving overall budget number that whether current bag sequence number in the bag equals the order bag is that basis for estimation obtains this whether return bag be the judged result of order end packet, if judged result shows that this returns bag when being the order end packet, configuration order finishes; Otherwise network management system is counted again to the order delay clock zero clearing of network management system side, sends next write order bag, and execution in step S502.
S601, network management system side initialization command delay clock also start this clock, send first read command bag to equipment side afterwards, carry the overall budget number of read command bag in this order bag;
S602, the network equipment are received the read command bag that network management system sends, then execution in step S603; Otherwise equipment side is waited for and is received the order bag;
The correctness of the order bag that S603, check receive, the correctness verification is verified by order packet length and payload length, as not showing then that by check this order wraps in mistake in the transmission, abandon this order bag and do not deal with, wait for that the command timeout of network management system side is retransmitted; Otherwise execution in step S604;
S604, check the ageing of the order bag receive, the real-time verification sends number of times by current bag sequence number and current bag and judges, as not showing then that by check this order bag is the invalid command bag that time-delay arrives or repeats to send, abandon this order bag and do not deal with, wait for that the command timeout of network management system side is retransmitted; Otherwise execution in step S605;
Whether S605, the network equipment are that basis for estimation obtains the judged results whether many bag configuration datas distribute greater than the overall budget number with the number of the read command bag received, when judged result shows that many bag configuration datas do not distribute, send the specified services bag to network management system, and execution in step S604; When judged result showed that many bag configuration datas distribute, the network equipment returned empty bag and execution in step S607 to network management system;
If the S604 network management system is received the specified services bag at the appointed time, execution in step S605 then; Otherwise network management system resends this order bag, and the order delay clock zero clearing of this side is counted again, and is all unsuccessful if network management system sends for three times, and then configuration order finishes and reports that configuration order is unsuccessful;
The correctness of the specified services bag that S605, network management system check receive, the correctness verification is verified by the length and the payload length of specified services bag, as not showing then that by check this specified services wraps in mistake in the transmission, abandon this order bag and do not deal with, wait for that the command timeout of network management system side is retransmitted; Otherwise execution in step S606;
S606, check the ageing of the specified services bag receive, the real-time verification sends number of times by current bag sequence number and current bag and judges, as not showing then that by check this specified services bag is the invalid command bag that time-delay arrives or repeats to send, abandon this order bag and do not process, wait for that the command timeout of network management system side is retransmitted; Otherwise execution in step S607;
S607, network management system judge whether the specified services bag of receiving is empty bag, if empty bag, then execution in step S608; Otherwise, this specified services bag is deposited in the buffer memory of network management system, the order delay clock zero clearing of network management system side is counted again, and sent next read command bag to the network equipment, and execution in step S602;
S608 passes to the webmaster high-level interface after network management system is spliced each business packet in the buffer memory and handles, and finishes configuration order.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, all falls within protection scope of the present invention.
Claims (4)
1. the appliance services collocation method of EPON is characterized in that may further comprise the steps:
When A10, network management system are carried out business configuration to the network equipment, be divided into one or more order bags according to the size of business configuration data;
A20, network management system send the order bag to the network equipment successively, the communication protocol of described order bag comprises protocol header and payload user data, comprises in the described protocol header that order classification, overall budget number, current bag sequence number, current bag send number of times, current quiet lotus length and quiet lotus total length;
A30, the network equipment are whether serve as judged result that single bag order to basis for estimation if obtaining this order bag with the overall budget number in the order packet protocol head;
A40, when judged result shows this order bag for single bag order, confirm and retransmission mechanism is finished business configuration by the single command bag; When judged result shows that it is when wrapping order, to finish business configuration by affirmation of many orders bag and retransmission mechanism that this order is wrapped more;
Described single command bag is confirmed and retransmission mechanism is meant that network management system should receive the affirmation bag that the network equipment returns to the configuration order that the network equipment sends in the order of appointment is delayed time, if receive then the configuration order end, otherwise network management system resends this order bag;
Described many order bags are confirmed and retransmission mechanism comprises many order bag read operations and many order bag write operations, and the network equipment is whether serve as the judged results of wrapping write operation order to basis for estimation more if obtaining this order bag with the order classification in the order packet protocol head; When judged result shows that this order bag wraps read operation for many orders, network management system sends a plurality of configuration order bags of reading successively to the network equipment, the network equipment returns corresponding configuration packet after receiving orders and wrapping, the configuration packet that network management system will be received successively deposits buffer memory in, after the complete order bag all receives configuration packet, the more a plurality of configuration packet in the buffer memory are stitched together and pass to the network management system high-level interface and handle; When judged result shows that this order bag wraps write operation for many orders, network management system sends a plurality of configuration order bags of writing successively to the network equipment, the order bag that the network equipment will be received deposits buffer memory in, after all collecting etc. the complete order bag, a plurality of bags in the buffer memory are stitched together pass to layer interface under the network equipment, at last result is returned to network management system.
2. the appliance services collocation method of EPON as claimed in claim 1, when it is characterized in that network management system resends the order bag, operation accumulative total is not all received the correct bag that returns 3 times if give out a contract for a project, and then configuration finishes, and network management system report configuration order is unsuccessful.
3. the appliance services collocation method of EPON as claimed in claim 1, it is characterized in that when network management system and each order bag of network equipment reception, all to carry out the verification of order bag correctness and two kinds of verifications of the order ageing verification of bag successively, the correctness verification is verified by order packet length and payload length, if not by verifying correctness then show that this order wraps in mistake in the transmission, abandon this order bag and do not deal with; The real-time verification sends number of times by current bag sequence number and current bag to be judged, if not by check then show that this order bag is the invalid command bag that time-delay arrives or repeats to send, abandons this order and wraps and do not deal with.
4. the appliance services collocation method of EPON as claimed in claim 1, it is characterized in that the network management system side wants the order delay clock of this side of initialization before giving out a contract for a project for the first time, when starting delay clock, the network management system side sends an order bag, return bag and will order the delay clock zero clearing to be counted again after overtime, and resend this order bag.
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| CN2010101161479A CN101815004B (en) | 2010-03-03 | 2010-03-03 | Equipment business configurate method of passive optical network |
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| CN2010101161479A CN101815004B (en) | 2010-03-03 | 2010-03-03 | Equipment business configurate method of passive optical network |
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| CN103795507A (en) * | 2012-10-26 | 2014-05-14 | 上海斐讯数据通信技术有限公司 | Instruction timeout retransmission method and instruction timeout retransmission system of EPON system |
| CN104797947A (en) * | 2012-11-14 | 2015-07-22 | 瑞典爱立信有限公司 | Sequence-based link fault localization |
| CN112311502A (en) * | 2020-12-29 | 2021-02-02 | 北京国科天迅科技有限公司 | Data retransmission method, device, controller and medium based on optical fiber communication system |
| CN113194366A (en) * | 2021-04-23 | 2021-07-30 | 烽火通信科技股份有限公司 | Service configuration rationality checking method and device based on closed-loop constraint |
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| CN113194366B (en) * | 2021-04-23 | 2022-06-03 | 烽火通信科技股份有限公司 | Service configuration rationality checking method and device based on closed-loop constraint |
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