CN103530247A - Inter-node bus accessing priority deploying method based on multiple servers - Google Patents
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Abstract
The invention provides an inter-node bus accessing priority deploying method based on multiple servers. Firstly, according to the server node bus communication requirements, grouping integration is carried out on key physical signals participating in bus communication logic through a programmable logic controller; meanwhile, transmission starting monitoring on high speed data of all parallel nodes is carried out; the actual value cooperation requirements such as time sequences and triggering priority requirements of the bus signals are achieved in a DSP in a built-in mode. The principle is that in the bus idle stage, buses are sequentially switched and connected among the nodes according to a natural sequence in order to guarantee the data response instantaneity; in the bus busy stage, besides consideration to the natural sequence, judgment on the waiting time is further added, and the nodes with the long waiting time preferentially have access in bus communication. Thus, the time sequences and the triggering requirements of the bus signals are achieved through DSP software languages, bus communication signals collected by the programmable logic controller are transmitted to a DSP data processing center, a DSP judges the actual values such as the time sequences and the triggering requirements of each participant signal according to the preset timing sequence requirements, and whether the bus switching requirements are met or not is further judged, and resource balanced configuration is achieved.
Description
Technical field
The present invention relates to computer communication field, specifically utilize a kind of right of priority concocting method based on bus access between multiserver node, solve between current server system node in man-to-man point-to-point beam communication data transmission procedure, server system cannot be according to node, the real-time automatic governing computational resource of bus idle condition problem.This method has guaranteed real-time, reliability, the stability of server node communication.
Background technology
Current server system, often needs a plurality of server nodes to work in coordination with calculation task, between a plurality of server nodes on the carry and communication bus of data and the common equality of management channels.Server needs long-term continual stable, node communication reliability requirement constantly increases, in order to guarantee server node inter-system data stable transfer, in the use procedure of server master board, need to stablize effective trunk priority power concocting method and system is carried out to strict bus time domain cut apart, especially effective allotment of the power of the trunk priority in multi-node collaboration process particularly needs important.
Server node inter-system data stable transfer, the one, need bus responsive node communication need as far as possible in time, the 2nd, for the node in communication just, can not be subject to other node bus requests impacts, keep the defeated integrality of this section point data.Any difference in sequential all can cause system initialization problem and other variations, therefore in reliability testing, also must include the monitoring for server node inter-system data stable transfer in, just can better realize the high reliability of whole server multinode computing system logical sequence function.
Between current server system node, in data transmission procedure, be generally that server node is numbered to processing, prerequisite is that data transmission destination node numbering must be known, just can form valid data and transmit.This man-to-man point-to-point beam communication, server system cannot be according to node, the real-time automatic governing computational resource of bus idle condition, the cooperation request of sending for the heavy node of other loads, the current node server being sent out may be also in heavy load state, therefore can not get for a long time communication response, in system, other nodes do not enter idle condition because have task to carry out on the contrary, this process only can rely on the normal tasks treatment scheme of server node self system and task to wait for internodal cooperation, now cannot realize the efficient balance for complete machine calculated performance, for the node occurring, send data and cannot obtain response problem for a long time, cannot effectively automatically forward other nodes, and then cannot effectively realize the overall management of server resource, to above problem, by analysing in depth, we have summed up a kind of right of priority concocting method based on bus access between multiserver node.
Summary of the invention
The present invention is with the bus communication sequencing theory strong point, utilize a kind of right of priority concocting method based on bus access between multiserver node, solve between current server system node in man-to-man point-to-point beam communication data transmission procedure, server system cannot be according to node, the real-time automatic governing computational resource of bus idle condition problem.
The object of the invention is to realize in the following manner, content comprises:
1. according to multiserver node bus access real-time and integrality requirement, the physical signalling that each server node is participated in to data transmission counterlogic bus gathers, adopt programmable logic controller (PLC) to divide into groups to integrate, carry out parallel high-speed and transmit initial monitoring;
2. in programmable logic controller (PLC), to integrating the node logic bus physical signalling of access, by node, divide into groups, and give the natural numerical value that respectively divides into groups one to represent bus disposal right priority, represent the natural number coding of disposal right priority size sequence; Give the disposal right of respectively dividing into groups simultaneously and wait for count value, represent the numeric coding of each packet bus stand-by period, give tacit consent to this value and initially give 0, and all nodes are consistent;
3. programmable logic controller (PLC) is sent to DSP data processing centre (DPC) by the transfer request signal of the bus collecting, the numerical value of bus stand-by period, DSP is according to the natural ordering requirement of bus disposal right priority in advance, simultaneously in conjunction with the judgement to the bus stand-by period, the actual value such as the time order and function of bus signals, the requirement of triggering priority between server node of each participation communication of analysis, and then judge the server node bus signals of current urgent need handoff response, meet the requirement of real-time of bus communication;
Concrete steps are as follows:
A), first according to the requirement of server node bus communication, the physical signalling that key is participated in to bus communication logic adopts programmable logic controller (PLC) to divide into groups to integrate; The initial monitoring of high speed data transfer of each node walks abreast simultaneously;
B) actual values such as the time order and function of bus signals, the requirement of triggering priority are coordinated to requirement built-in realization in DSP, principle is bus idle phase, is the real-time that guarantees data response, and bus is sequentially switched connection between each node according to natural ordering; When bus is busy, except considering, natural ordering, also to have added the judgement of stand-by period, the node priority access bus communication that the stand-by period is larger; The time order and function, the triggering that are about to each bus signals require to adopt dsp software language to realize;
C) programmable logic controller (PLC) is sent to DSP data processing centre (DPC) by the bus communication signal collecting, DSP is according to sequential requirement in advance, the actual values such as the time order and function of each signal participating in of judgement, triggering requirement, and then provide and judge whether to meet bus switch requirement, reach the equilibrium allocation of resource.
The described right of priority concocting method based on bus access between multiserver node, according to multiserver node bus access real-time and integrality requirement, the physical signalling that each server node is participated in to data transmission counterlogic bus gathers, adopt programmable logic controller (PLC) to divide into groups to integrate, carry out parallel high-speed and transmit initial monitoring; Programmable logic controller (PLC) divides into groups to integrate according to the primary path bus signals of the participation communication of node, be about to the crucial path signal of bus and focus on programmable logic controller (PLC) end, programmable logic controller (PLC) end adopts the bus signals in the corresponding single node of array variable, guarantees the synchronous switching of signal operation in single node; Programmable logic controller (PLC) carries out the rough set theory of bus level simultaneously, realizes the compatible self-adaptation of internodal bus level, to realize the collection of a plurality of server node bus communication information.
The described right of priority concocting method based on bus access between multiserver node, in programmable logic controller (PLC), to integrating the node logic bus physical signalling of access, by node, divide into groups, and give the natural numerical value that respectively divides into groups one to represent bus disposal right priority, represent the natural number coding of disposal right priority size sequence; Give the disposal right of respectively dividing into groups simultaneously and wait for count value, represent the numeric coding of each packet bus stand-by period,, there is the coding of precedence level code and response wait time in the i.e. bus signals to each node, this is also the necessary condition of judgement bus switch; Precedence level code adopts natural number sequence, and the less priority of numerical value is higher, and the coding of response wait time adopts the mode of integer counting to carry out, and the time that the larger expression of numerical value has been waited for is longer.
The described right of priority concocting method based on bus access between multiserver node, programmable logic controller (PLC) is by the transfer request signal of the bus collecting, the numerical value of bus stand-by period is sent to DSP data processing centre (DPC), DSP is according to the natural ordering requirement of bus disposal right priority in advance, simultaneously in conjunction with the judgement to bus stand-by period size, analyze the time order and function of bus signals between each server node that participates in communication, trigger the actual values such as priority requirement, principle is bus idle phase, for guaranteeing the real-time of data response, bus is switched and is connected according to natural ordering order between each node, when bus is busy, except considering, natural ordering, also to have added the judgement of stand-by period, the node priority access bus communication that the stand-by period is larger, DSP is as the control center that concentrates bus management, be recorded in bus switch operational process simultaneously, concrete response between each bus is together with the time, compare with the standard value of setting, when actual value departs from standard value, certain node takies bus for a long time, and load is serious when unbalanced, report to the police and upload record, accomplishing real-time, the robotization of monitoring.
Excellent effect of the present invention: utilize the right of priority concocting method based on bus access between multiserver node, solve between current server system node in man-to-man point-to-point beam communication data transmission procedure, server system cannot be according to node, the real-time automatic governing computational resource of bus idle condition problem.
Accompanying drawing explanation
Fig. 1 is right of priority concocting method process flow diagram.
Embodiment
With reference to accompanying drawing, the present invention is done to following detailed description.
This method has guaranteed real-time, reliability, the stability of server node communication, and concrete summary of the invention can be divided into following four aspects:
1. according to multiserver node bus access real-time and integrality requirement, the physical signalling that each server node is participated in to data transmission counterlogic bus gathers, adopt programmable logic controller (PLC) to divide into groups to integrate, carry out parallel high-speed and transmit initial monitoring;
2. in programmable logic controller (PLC), to integrating the node logic bus physical signalling of access, by node, divide into groups, and give the natural numerical value that respectively divides into groups one to represent bus disposal right priority, represent the natural number coding of disposal right priority size sequence; Give the disposal right of respectively dividing into groups simultaneously and wait for count value, represent the numeric coding of each packet bus stand-by period, give tacit consent to this value and initially give 0, and all nodes are consistent;
3. programmable logic controller (PLC) is sent to DSP data processing centre (DPC) by the transfer request signal of the bus collecting, the numerical value of bus stand-by period, DSP is according to the natural ordering requirement of bus disposal right priority in advance, simultaneously in conjunction with the judgement to the bus stand-by period, the actual value such as the time order and function of bus signals, the requirement of triggering priority between server node of each participation communication of analysis, and then judge the server node bus signals of current urgent need handoff response, meet the requirement of real-time of bus communication;
Described accesses real-time and integrality requirement according to multiserver node bus, the physical signalling that each server node is participated in to data transmission counterlogic bus gathers, adopt programmable logic controller (PLC) to divide into groups to integrate, carry out parallel high-speed and transmit initial monitoring; Programmable logic controller (PLC) divides into groups to integrate according to the primary path bus signals of the participation communication of node, be about to the crucial path signal of bus and focus on programmable logic controller (PLC) end, programmable logic controller (PLC) end adopts the bus signals in the corresponding single node of array variable, guarantees the synchronous switching of signal operation in single node; Programmable logic controller (PLC) carries out the rough set theory of bus level simultaneously, realizes the compatible self-adaptation of internodal bus level, to realize the collection of a plurality of server node bus communication information;
Described in programmable logic controller (PLC), to integrating the node logic bus physical signalling of access, by node, divide into groups, and give the natural numerical value that respectively divides into groups one to represent bus disposal right priority, represent the natural number coding of disposal right priority size sequence; Give the disposal right of respectively dividing into groups simultaneously and wait for count value, represent the numeric coding of each packet bus stand-by period., there is the coding of precedence level code and response wait time in the i.e. bus signals to each node, this is also the necessary condition of judgement bus switch; Precedence level code adopts natural number sequence, and the less priority of numerical value is higher.The coding of response wait time adopts the mode of integer counting to carry out, and the time that the larger expression of numerical value has been waited for is longer.
Described programmable logic controller (PLC) is sent to DSP data processing centre (DPC) by the transfer request signal of the bus collecting, the numerical value of bus stand-by period, DSP is according to the natural ordering requirement of bus disposal right priority in advance, simultaneously in conjunction with the judgement to bus stand-by period size, the actual value such as the time order and function of bus signals, the requirement of triggering priority between server node of each participation communication of analysis, principle is bus idle phase, for guaranteeing the real-time of data response, bus is switched and is connected according to natural ordering order between each node; When bus is busy, except considering, natural ordering, also to have added the judgement of stand-by period, the node priority access bus communication that the stand-by period is larger; DSP is as the control center that concentrates bus management, be recorded in bus switch operational process simultaneously, concrete response between each bus is together with the time, compare with the standard value of setting, when actual value departs from standard value, certain node takies bus for a long time, and load is serious when unbalanced, report to the police and upload record, accomplishing real-time, the robotization of monitoring.
Embodiment
1) research and development slip-stick artist is first according to the requirement of server node bus communication, and the physical signalling that key is participated in to bus communication logic adopts programmable logic controller (PLC) to divide into groups to integrate; The initial monitoring of high speed data transfer of each node walks abreast simultaneously;
2) actual values such as the time order and function of bus signals, the requirement of triggering priority are coordinated to requirement built-in realization in DSP, principle is bus idle phase, is the real-time that guarantees data response, and bus is sequentially switched connection between each node according to natural ordering; When bus is busy, except considering, natural ordering, also to have added the judgement of stand-by period, the node priority access bus communication that the stand-by period is larger; The time order and function, the triggering that are about to each bus signals require to adopt dsp software language to realize;
3) programmable logic controller (PLC) is sent to DSP data processing centre (DPC) by the bus communication signal collecting, DSP is according to sequential requirement in advance, the actual values such as the time order and function of each signal participating in of judgement, triggering requirement, and then provide and judge whether to meet bus switch requirement, reach the equilibrium allocation of resource.
Through detailed above enforcement, we can carry out the bus communication blocked operation of multinode under system very easily, not only reached the requirement of real-time of bus communication, and saved the interconnected cost of bus, improve collaborative work efficiency between node, improved the reliability and stability of system configuration.
Claims (4)
1. the right of priority concocting method based on bus access between multiserver node, is characterized in that content comprises:
1. according to multiserver node bus access real-time and integrality requirement, the physical signalling that each server node is participated in to data transmission counterlogic bus gathers, adopt programmable logic controller (PLC) to divide into groups to integrate, carry out parallel high-speed and transmit initial monitoring;
2. in programmable logic controller (PLC), to integrating the node logic bus physical signalling of access, by node, divide into groups, and give the natural numerical value that respectively divides into groups one to represent bus disposal right priority, represent the natural number coding of disposal right priority size sequence; Give the disposal right of respectively dividing into groups simultaneously and wait for count value, represent the numeric coding of each packet bus stand-by period, give tacit consent to this value and initially give 0, and all nodes are consistent;
3. programmable logic controller (PLC) is sent to DSP data processing centre (DPC) by the transfer request signal of the bus collecting, the numerical value of bus stand-by period, DSP is according to the natural ordering requirement of bus disposal right priority in advance, simultaneously in conjunction with the judgement to the bus stand-by period, the actual value such as the time order and function of bus signals, the requirement of triggering priority between server node of each participation communication of analysis, and then judge the server node bus signals of current urgent need handoff response, meet the requirement of real-time of bus communication;
Concrete steps are as follows:
A), first according to the requirement of server node bus communication, the physical signalling that key is participated in to bus communication logic adopts programmable logic controller (PLC) to divide into groups to integrate; The initial monitoring of high speed data transfer of each node walks abreast simultaneously;
B) actual values such as the time order and function of bus signals, the requirement of triggering priority are coordinated to requirement built-in realization in DSP, principle is bus idle phase, is the real-time that guarantees data response, and bus is sequentially switched connection between each node according to natural ordering; When bus is busy, except considering, natural ordering, also to have added the judgement of stand-by period, the node priority access bus communication that the stand-by period is larger; The time order and function, the triggering that are about to each bus signals require to adopt dsp software language to realize;
C) programmable logic controller (PLC) is sent to DSP data processing centre (DPC) by the bus communication signal collecting, DSP is according to sequential requirement in advance, the actual values such as the time order and function of each signal participating in of judgement, triggering requirement, and then provide and judge whether to meet bus switch requirement, reach the equilibrium allocation of resource.
2. the right of priority concocting method based on bus access between multiserver node according to claim 1, it is characterized in that, according to multiserver node bus access real-time and integrality requirement, the physical signalling that each server node is participated in to data transmission counterlogic bus gathers, adopt programmable logic controller (PLC) to divide into groups to integrate, carry out parallel high-speed and transmit initial monitoring; Programmable logic controller (PLC) divides into groups to integrate according to the primary path bus signals of the participation communication of node, be about to the crucial path signal of bus and focus on programmable logic controller (PLC) end, programmable logic controller (PLC) end adopts the bus signals in the corresponding single node of array variable, guarantees the synchronous switching of signal operation in single node; Programmable logic controller (PLC) carries out the rough set theory of bus level simultaneously, realizes the compatible self-adaptation of internodal bus level, to realize the collection of a plurality of server node bus communication information.
3. the right of priority concocting method based on bus access between multiserver node according to claim 1, it is characterized in that in programmable logic controller (PLC), to integrating the node logic bus physical signalling of access, by node, divide into groups, and give the natural numerical value that respectively divides into groups one to represent bus disposal right priority, represent the natural number coding of disposal right priority size sequence; Give the disposal right of respectively dividing into groups simultaneously and wait for count value, represent the numeric coding of each packet bus stand-by period,, there is the coding of precedence level code and response wait time in the i.e. bus signals to each node, this is also the necessary condition of judgement bus switch; Precedence level code adopts natural number sequence, and the less priority of numerical value is higher, and the coding of response wait time adopts the mode of integer counting to carry out, and the time that the larger expression of numerical value has been waited for is longer.
4. the right of priority concocting method based on bus access between multiserver node according to claim 1, it is characterized in that, programmable logic controller (PLC) is by the transfer request signal of the bus collecting, the numerical value of bus stand-by period is sent to DSP data processing centre (DPC), DSP is according to the natural ordering requirement of bus disposal right priority in advance, simultaneously in conjunction with the judgement to bus stand-by period size, analyze the time order and function of bus signals between each server node that participates in communication, trigger the actual values such as priority requirement, principle is bus idle phase, for guaranteeing the real-time of data response, bus is switched and is connected according to natural ordering order between each node, when bus is busy, except considering, natural ordering, also to have added the judgement of stand-by period, the node priority access bus communication that the stand-by period is larger, DSP is as the control center that concentrates bus management, be recorded in bus switch operational process simultaneously, concrete response between each bus is together with the time, compare with the standard value of setting, when actual value departs from standard value, certain node takies bus for a long time, and load is serious when unbalanced, report to the police and upload record, accomplishing real-time, the robotization of monitoring.
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| CN107111520A (en) * | 2014-11-11 | 2017-08-29 | 统有限责任两合公司 | Method and system for the real time resources consumption control in DCE |
| CN112732348A (en) * | 2020-12-30 | 2021-04-30 | 浙江大华技术股份有限公司 | Service processing method and device of multi-node all-in-one machine |
| CN113268446A (en) * | 2021-04-07 | 2021-08-17 | 中国电子科技集团公司电子科学研究院 | Information processing method and device for accessing various airborne buses |
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| US9043634B2 (en) | 2011-04-29 | 2015-05-26 | Qualcomm Incorporated | Methods, systems, apparatuses, and computer-readable media for waking a SLIMbus without toggle signal |
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