CN103530247B - The priority concocting method of bus access between a kind of node based on multiserver - Google Patents
The priority concocting method of bus access between a kind of node based on multiserver Download PDFInfo
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Abstract
The present invention provides a kind of priority concocting method of bus access between node based on multiserver, is first according to server node bus communication requirement, and the crucial physical signalling for participating in bus communication logic is carried out packet integration using programmable logic controller (PLC)；The high speed data transfer starting monitoring of parallel each node is carried out simultaneously；The time order and function of bus signals, triggering priority requirement etc. actual value are coordinated and requires built-in realization in dsp, principle is the bus free stage, be the real-time for ensureing data response, bus is sequentially switched between the individual nodes according to natural ordering；When bus busy, in addition to considering natural ordering, the judgement of waiting time is also added into, waiting time larger node priority access bus communication；Will the time order and function of each bus signals, triggering requirement realized using dsp software language；The bus communication signal for collecting is sent to DSP data processing centres by programmable logic controller (PLC), DSP is according to advance timing requirements, judge the actual values such as time order and function, the triggering requirement of the signal of each participation, and then be given and judge whether to meet bus switch requirement, reach the equilibrium allocation of resource.
Description
Technical field
The present invention relates to computer communication field, specifically using between a kind of node based on multiserver bus access it is excellent
Concocting method is first weighed, man-to-man point-to-point beam communication data transmission procedure between current server system node is solved
In, server system cannot be according to node, the real-time automatic governing computing resource problem of bus free situation.This method ensure that clothes
The real-time of business device node communication, reliability, stability.
Background technology
Current server system, generally requires multiple server node collaborations and completes calculating task, multiple server sections
Between point on the carry and communication bus of data and the usual equality of management passage.Server needs long-term continual operation steady
Fixed, node communication reliability requirement is continuously increased, in order to ensure that server node inter-system data is stably transmitted, in server master
During the use of plate, need to stablize effective trunk priority power concocting method to carry out system strict bus time domain point
Cut, especially effective allotment of the trunk priority power during multi-node collaboration particularly needs important.
Server node inter-system data is stably transmitted, and one is to need bus to timely respond to node communication demand as far as possible,
Two is other node bus requests can not to be subject to affect for the node for communicating, and keeps the complete of this section point data transmission
Property.Any difference in sequential also must in causing system initialization problem and other variations, therefore reliability testing
The monitoring stably transmitted by server node inter-system data must be included, whole server multinode meter could be preferably realized
Calculate the high reliability of system logic sequential function.
Between current server system node in data transmission procedure, server node is numbered into process usually,
On condition that data transmission destination node numbering must be, it is known that can just form valid data transmission.It is this man-to-man point-to-point fixed
To communication, server system cannot be according to node, the real-time automatic governing computing resource of bus free situation, for other load weights
The cooperation request that sends of node, the node server for currently being sent may be also at heavy load condition, therefore can long-time
Response cannot be communicated, and other nodes then enter idle condition because of no task is executable on the contrary in system, this process is only
The normal tasks handling process and task of server node its own system can be relied on to wait completing the cooperation between node, now without
Method realizes the efficient balance that performance is calculated for whole machine, cannot obtain response problem for a long time for the node for occurring sends data,
Effectively cannot forward automatically other nodes, and then cannot effectively realize the overall management of server resource, the problem to more than is led to
In-depth analysis is crossed, we summarize a kind of priority concocting method of bus access between node based on multiserver.
The content of the invention
The present invention is with the bus communication sequencing theory strong point, using bus access between a kind of node based on multiserver
Priority concocting method, solves man-to-man point-to-point beam communication data transmission procedure between current server system node
In, server system cannot be according to node, the real-time automatic governing computing resource problem of bus free situation.
The purpose of the present invention realizes that content includes in the following manner：
1. real-time and integrity demands are accessed according to multiserver node bus, each server node is participated in into data and is passed
The physical signalling of defeated counterlogic bus is collected, and carries out packet integration using programmable logic controller (PLC), carries out parallel height
Speed transmission starting monitoring；
2., in programmable logic controller (PLC), carry out point by node to integrating the node logical bus physical signal for accessing
Group, and give each packet the one natural numerical value for representing bus disposal right priority, that is, represent the sequence of disposal right priority size
Natural number coding；Each one disposal right of packet is given simultaneously and waits count value, that is, represent the number of each packet bus waiting time
Value coding, gives tacit consent to the value and initially gives 0, and all nodes are consistent；
3. the numerical value of the transfer request signal of the bus for collecting, bus latency is transmitted by programmable logic controller (PLC)
To DSP data processing centres, DSP is required according to the natural ordering of advance bus disposal right priority, in combination with to bus
The judgement of waiting time, analyzes the time order and function of bus signals between each server node for participating in communication, triggering priority requirement
Deng actual value, and then judge currently to be badly in need of the server node bus signals of handoff response, meet the real-time of bus communication
Require；
Comprise the following steps that：
A) server node bus communication requirement is first according to, the crucial physical signalling for participating in bus communication logic is adopted
Programmable logic controller (PLC) carries out packet integration；The high speed data transfer starting monitoring of parallel each node is carried out simultaneously；
B) actual values such as the time order and function of bus signals, triggering priority requirement are coordinated and require built-in realization in dsp,
Principle is the bus free stage, be ensure data response real-time, bus according to natural ordering between the individual nodes order
It is switched on；When bus busy, in addition to considering natural ordering, the judgement of waiting time is also added into, the waiting time is larger
Node priority access bus communication；Will the time order and function of each bus signals, triggering requirement realized using dsp software language；
C) the bus communication signal for collecting is sent to DSP data processing centres by programmable logic controller (PLC), DSP according to
Advance timing requirements, judge the actual values such as time order and function, the triggering requirement of the signal of each participation, so be given judge whether it is full
Sufficient bus switch requirement, reaches the equilibrium allocation of resource.
The described priority concocting method based on bus access between multiserver node, according to multiserver node bus
Real-time and integrity demands are accessed, the physical signalling that each server node participates in data transfer counterlogic bus is converged
Always, packet integration is carried out using programmable logic controller (PLC), carries out parallel high-speed transmission starting monitoring；Programmable logic controller (PLC)
According to node participation communication primary path bus signals carry out packet integration, will bus critical path signal focus on and can compile
Journey logic controller end, programmable logic controller (PLC) end is using the bus signals in aray variable correspondence single node, it is ensured that single
The synchronism switching of signal operation in one node；Programmable logic controller (PLC) carries out the rough set theory of bus level simultaneously, realizes section
Bus level compatibility self adaptation between point, to realize the collection of multiple server node bus communication information.
The described priority concocting method based on bus access between multiserver node, in programmable logic controller (PLC)
In, to integrate access node logical bus physical signal be grouped by node, and give it is each packet one represent at bus
The natural numerical value of reason power priority, that is, represent the natural number coding of disposal right priority size sequence；Each packet one is given simultaneously
Individual disposal right waits count value, that is, represent the numeric coding of each packet bus waiting time, i.e., the bus of each node is believed
Number, there is the coding of precedence level code and response waiting time, this is also the essential condition for judging bus switch；Precedence level code
Sorted using natural number, the less priority of numerical value is higher, the coding for responding the waiting time is carried out by the way of integer count, number
Value is bigger to represent that the time for having waited is longer.
The described priority concocting method based on bus access between multiserver node, programmable logic controller (PLC) will be adopted
The transfer request signal of the bus for collecting, the numerical value of bus latency are sent to DSP data processing centres, and DSP is according to advance
The natural ordering of bus disposal right priority require, in combination with the judgement to bus latency size, analyze each participation
The actual value such as the time order and function of bus signals, triggering priority requirement between the server node of communication, principle is bus free rank
Section, is the real-time for ensureing data response, and bus is sequentially switched between the individual nodes according to natural ordering；When bus it is numerous
Busy, in addition to considering natural ordering, is also added into the judgement of waiting time, waiting time larger node priority access bus
Communication；DSP is used as the control centre for concentrating bus management, while tool of the record in bus switch running, between each bus
Body response was compared with the standard value of setting together with the time, and when actual value deviates standard value, certain node takes total for a long time
Line, when load is serious unbalanced, is reported to the police and is uploaded record, accomplishes real-time, the automatization for monitoring.
The excellent effect of the present invention：Using the priority concocting method based on bus access between multiserver node, solve
Between certainly current server system node in man-to-man point-to-point beam communication data transmission procedure, server system cannot root
According to node, the real-time automatic governing computing resource problem of bus free situation.
Description of the drawings
Fig. 1 is priority concocting method flow chart.
Specific embodiment
Detailed description below is done to the present invention referring to the drawings.
This method ensure that the real-time of server node communication, reliability, stability, and the concrete content of the invention can be divided into
Following four aspects：
1. real-time and integrity demands are accessed according to multiserver node bus, each server node is participated in into data and is passed
The physical signalling of defeated counterlogic bus is collected, and carries out packet integration using programmable logic controller (PLC), carries out parallel height
Speed transmission starting monitoring；
2., in programmable logic controller (PLC), carry out point by node to integrating the node logical bus physical signal for accessing
Group, and give each packet the one natural numerical value for representing bus disposal right priority, that is, represent the sequence of disposal right priority size
Natural number coding；Each one disposal right of packet is given simultaneously and waits count value, that is, represent the number of each packet bus waiting time
Value coding, gives tacit consent to the value and initially gives 0, and all nodes are consistent；
3. the numerical value of the transfer request signal of the bus for collecting, bus latency is transmitted by programmable logic controller (PLC)
To DSP data processing centres, DSP is required according to the natural ordering of advance bus disposal right priority, in combination with to bus
The judgement of waiting time, analyzes the time order and function of bus signals between each server node for participating in communication, triggering priority requirement
Deng actual value, and then judge currently to be badly in need of the server node bus signals of handoff response, meet the real-time of bus communication
Require；
Described accesses real-time and integrity demands according to multiserver node bus, and each server node is participated in number
Collected according to the physical signalling of transmission counterlogic bus, packet integration is carried out using programmable logic controller (PLC), is carried out simultaneously
The starting monitoring of row high-speed transfer；Programmable logic controller (PLC) is grouped according to the primary path bus signals of the participation communication of node
Integrate, will bus critical path signal focus on programmable logic controller (PLC) end, programmable logic controller (PLC) end adopts array
Bus signals in variable correspondence single node, it is ensured that the synchronism switching of signal operation in single node；Programmable logical controller
Device carries out the rough set theory of bus level simultaneously, realizes the bus level compatibility self adaptation between node, to realize multiple services
The collection of the device node bus communication information；
It is described in programmable logic controller (PLC), carry out by node to integrating the node logical bus physical signal for accessing
Packet, and give each packet the one natural numerical value for representing bus disposal right priority, that is, represent the big float of disposal right priority
The natural number coding of sequence；Each one disposal right of packet is given simultaneously and waits count value, that is, represent each packet bus waiting time
Numeric coding.Bus signals i.e. to each node, the coding that there is precedence level code and response waiting time, this is also to sentence
The essential condition of disconnected bus switch；Precedence level code is sorted using natural number, and the less priority of numerical value is higher.The response waiting time
Coding carried out by the way of integer count, numerical value is bigger to represent that time for having waited is longer.
Described programmable logic controller (PLC) is by the transfer request signal of the bus for collecting, the numerical value of bus latency
DSP data processing centres are sent to, DSP is required according to the natural ordering of advance bus disposal right priority, in combination with right
The judgement of bus latency size, analyzes the time order and function of bus signals between each server node for participating in communication, triggers excellent
First level such as requires at the actual value, and principle is the bus free stage, is the real-time for ensureing data response, and bus exists according to natural ordering
Sequentially it is switched between each node；When bus busy, in addition to considering natural ordering, sentencing for waiting time is also added into
It is disconnected, waiting time larger node priority access bus communication；DSP is used as the control centre for concentrating bus management, while record
In bus switch running, the concrete response between each bus was compared with the standard value of setting, works as reality together with the time
When value deviates standard value, certain node takes bus for a long time, when load is serious unbalanced, is reported to the police and is uploaded record, accomplish prison
The real-time of control, automatization.
Embodiment
1）Research and development engineer is first according to server node bus communication requirement, by the crucial thing for participating in bus communication logic
Reason signal carries out packet integration using programmable logic controller (PLC)；The high speed data transfer starting prison of parallel each node is carried out simultaneously
Survey；
2）The actual values such as the time order and function of bus signals, triggering priority requirement are coordinated and require built-in realization in dsp,
Principle is the bus free stage, be ensure data response real-time, bus according to natural ordering between the individual nodes order
It is switched on；When bus busy, in addition to considering natural ordering, the judgement of waiting time is also added into, the waiting time is larger
Node priority access bus communication；Will the time order and function of each bus signals, triggering requirement realized using dsp software language；
3）The bus communication signal for collecting is sent to DSP data processing centres by programmable logic controller (PLC), DSP according to
Advance timing requirements, judge the actual values such as time order and function, the triggering requirement of the signal of each participation, so be given judge whether it is full
Sufficient bus switch requirement, reaches the equilibrium allocation of resource.
Through enforcement detailed above, we can very easily carry out the bus communication switching behaviour of multinode under system
Make, do not only reached the requirement of real-time of bus communication, and saved bus bar cost, improve collaborative work between node
Efficiency, improves the reliability and stability of system configuration.
Claims (4)
1. between a kind of node based on multiserver bus access priority concocting method, it is characterised in that content includes：
1. real-time and integrity demands are accessed according to multiserver node bus, each server node is participated in into data transfer pair
Answer the physical signalling of logic bus to be collected, packet integration is carried out using programmable logic controller (PLC), carry out parallel high-speed biography
Defeated starting monitoring；
2., in programmable logic controller (PLC), it is grouped by node to integrating the node logical bus physical signal for accessing, and
Give each packet the one natural numerical value for representing bus disposal right priority, that is, represent the nature of disposal right priority size sequence
Number encoder；Each one disposal right of packet is given simultaneously and waits count value, that is, represent the numeric coding of each packet bus waiting time,
Give tacit consent to the value and initially give 0, and all nodes are consistent；
3. the numerical value of the transfer request signal of the bus for collecting, bus latency is sent to by programmable logic controller (PLC)
DSP data processing centres, DSP are required according to the natural ordering of advance bus disposal right priority, in combination with to bus etc.
The judgement of time is treated, the time order and function of bus signals between each server node for participating in communication is analyzed, is triggered priority requirement
Actual value, and then judge currently to be badly in need of the server node bus signals of handoff response, the real-time for meeting bus communication will
Ask；
Comprise the following steps that：
Server node bus communication requirement is first according to, by the crucial physical signalling for participating in bus communication logic using programmable
Logic controller carries out packet integration；The high speed data transfer starting monitoring of parallel each node is carried out simultaneously；
The actual value of the time order and function of bus signals, triggering priority requirement is coordinated and requires built-in realization in dsp, principle is
In the bus free stage, be the real-time for ensureing data response, and according to natural ordering, order switching connects bus between the individual nodes
It is logical；When bus busy, in addition to considering natural ordering, the judgement of waiting time is also added into, waiting time larger node
Priority access bus communication；Will the time order and function of each bus signals, triggering requirement realized using dsp software language；
The bus communication signal for collecting is sent to DSP data processing centres by programmable logic controller (PLC), and DSP is according to advance
Timing requirements, judge time order and function, the actual value of triggering requirement of the signal of each participation, and then reach the equilibrium allocation of resource.
2. between the node based on multiserver according to claim 1 bus access priority concocting method, its feature exists
In, real-time and integrity demands are accessed according to multiserver node bus, will be each server node participation data transfer corresponding
The physical signalling of logic bus is collected, and carries out packet integration using programmable logic controller (PLC), carries out parallel high-speed transmission
Starting monitoring；Programmable logic controller (PLC) carries out packet integration according to the primary path bus signals of the participation communication of node, will
Bus critical path signal focuses on programmable logic controller (PLC) end, and programmable logic controller (PLC) end is single using aray variable correspondence
Bus signals in one node, it is ensured that the synchronism switching of signal operation in single node；Programmable logic controller (PLC) is carried out simultaneously
The rough set theory of bus level, realizes the bus level compatibility self adaptation between node, to realize multiple server node buses
The collection of the communication information.
3. between the node based on multiserver according to claim 1 bus access priority concocting method, its feature exists
In in programmable logic controller (PLC), it is grouped by node to integrating the node logical bus physical signal for accessing, and gives
Respectively the one natural numerical value for representing bus disposal right priority of packet, that is, represent the natural number volume of disposal right priority size sequence
Code；Give each one disposal right of packet simultaneously and wait count value, that is, represent the numeric coding of each packet bus waiting time, i.e., it is right
The bus signals of each node, the coding that there is precedence level code and response waiting time, this is also to judge bus switch
Essential condition；Precedence level code is sorted using natural number, and the less priority of numerical value is higher, responds the coding of waiting time using whole
The mode of counting number is carried out, and numerical value is bigger to represent that the time for having waited is longer.
4. between the node based on multiserver according to claim 1 bus access priority concocting method, its feature exists
In the numerical value of the transfer request signal of the bus for collecting, bus latency is sent to DSP numbers by programmable logic controller (PLC)
According to processing center, DSP is required according to the natural ordering of advance bus disposal right priority, in combination with to bus latency
The judgement of size, analyzes the time order and function of bus signals between each server node for participating in communication, the reality of triggering priority requirement
Actual value, principle are the bus free stages, be ensure data response real-time, bus according to natural ordering between the individual nodes
Order is switched on；When bus busy, in addition to considering natural ordering, the judgement of waiting time, waiting time are also added into
Larger node priority access bus communication；DSP is used as the control centre for concentrating bus management, while record is transported in bus switch
During row, the concrete response between each bus was compared with the standard value of setting together with the time, when actual value deviates standard value
When, certain node takes bus for a long time, when load is serious unbalanced, is reported to the police and uploaded record, the real-time accomplishing to monitor, oneself
Dynamicization.
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| US9065674B2 (en) * | 2011-04-29 | 2015-06-23 | Qualcomm Incorporated | Multiple slimbus controllers for slimbus components |
| US10334070B2 (en) * | 2014-11-11 | 2019-06-25 | Unify Gmbh & Co. Kg | Method and system for real-time resource consumption control in a distributed computing environment |
| CN112732348B (en) * | 2020-12-30 | 2023-06-13 | 浙江大华技术股份有限公司 | Service processing method and device of multi-node integrated machine |
| CN113268446B (en) * | 2021-04-07 | 2023-11-17 | 中国电子科技集团公司电子科学研究院 | Information processing method and device for multiple airborne bus accesses |
| CN113477530A (en) * | 2021-07-02 | 2021-10-08 | 浙江凯乐士科技有限公司 | Parcel converging method and device and electronic equipment |
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