CN105306559A - Multi-partition message control system without central partition for regional power grid regulation and control system - Google Patents
Multi-partition message control system without central partition for regional power grid regulation and control system Download PDFInfo
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- CN105306559A CN105306559A CN201510654921.4A CN201510654921A CN105306559A CN 105306559 A CN105306559 A CN 105306559A CN 201510654921 A CN201510654921 A CN 201510654921A CN 105306559 A CN105306559 A CN 105306559A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/566—Grouping or aggregating service requests, e.g. for unified processing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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Abstract
The invention discloses a multi-partition message control system without a central partition for a regional power grid regulation and control system. The multi-partition message control system comprises nodes of the same partition and nodes of different partitions, and each node comprises a client module, a message service module, and a multi-protocol transceiver module; and two independent uplink and downlink working links are used between the client module and the message service module to achieve separated transmission and reception. The message service module summarized events concerned by all client modules of the node, and the message service modules on other nodes in the same partition are released by multicast; and the routing forwarding module forwards a message to the routing forwarding modules of the nodes of other partitions. The multi-partition message control system is used for solving the limitation of multi-node message transmission without the central partition of the regional power grid regulation and control system, uniting API dispatch, reducing bandwidth occupation between regions and improving the reliability.
Description
Technical field
The present invention relates to acentric subregion multinode message control system, regional power grid regulator control system can be applied to and it use in the integral system of multinode compartment model, belonging to power dispatching automation field.
Background technology
In dispatch automated system, messaging bus as an important communication middleware module, for system provides the transmission service of the information and date between different process, between different machines.Messaging bus has the functions such as registration, cancellation, transmission, reception, subscription, issue, and is supplied to all kinds of upper layer application with the form of interface function and uses, and supports one to one, the transmission of messages form such as one-to-many.For the demand of power scheduling, support to transmit all kinds of real time data and the events such as telemetry, switch changed position, trouble signal, control command fast; Support the transfer of data to polymorphic (real-time state, inverting state, research state, test state).
The many employings of general message-oriented middleware have the mode of operation at center, by disposing one or more central messaging server, need the program of communication as client's side link on server, message is issued central server by the producer, and message is taken out from central server with pull-mode by consumer.Dispatch automated system adopts push mode more, thus as soon as possible message is sent to destination node; In addition when black starting-up, require that use application server just can complete the monitoring function of whole system.So the messaging bus in dispatch automated system generally adopts equity design, namely in system, arbitrary node can work by complete independently information receiving and transmitting, and such messaging bus, at more any node failures or after exiting, does not affect message communicating between residue node.
Along with the expansion of application and the lifting of system scale, for the ease of management, automated system starts to be divided into server node and workstation nodes.As the application nodes such as SCADA/PAS/FES are positioned at server node, the node of regular maintenance is positioned at workstation nodes.Message between server and workstation nodes is realized by event forwarding usually, and namely workstation nodes transmission and receipt message are undertaken by the event forwarding service being connected to server node, by transmission and the reception of event forwarding service broker message.This just causes workstation nodes transmission and receipt message needs to use another set of api interface.Meanwhile, different operating tiny node subscribe to the message of same type time, same message needs two inter-node transmission many parts, causes the waste of bandwidth.
In addition, along with the development of dispatching automation technology, automated system has surmounted the category of local area network (LAN) gradually, to the direction evolution of wide area multi partition.The application deployments such as SCADA/FES in mediation county, ground adjusts, are achieved distributed monitoring by ground county integral system; Different application types is assigned to different nodes by integration operation of power networks intelligent system, achieves the isolation of application; Subdispatch system achieves the layering and zoning of automation function and mutually coordinates; Therefore, messaging bus also needs the development of following dispatch automated system, realizes the support to Message Transmission under wide area partitioned environment.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide the non-stop layer subregion multi partition message control system for regional power grid regulator control system.
In order to solve the problem, the technical solution used in the present invention is:
For the non-stop layer subregion multi partition message control system of regional power grid regulator control system, comprise each node of same subregion, and each node of different subregion, comprise client modules, messenger service module, multi-protocols transceiver module and Routing Forward Module in described each node, it is characterized in that:
When described client modules sends message, by up link by message-submission to messenger service module; During receipt message, the event paid close attention to by down link is supplied to messenger service module, and obtains message from messenger service module;
The message that described messenger service module acts on behalf of this node sends and receives, and the registration of maintain customer end module, subscription information, messenger service module gathers the event that all client modules of this node are paid close attention to, and is distributed to the messenger service module in same subregion on other node by multicast;
Described multi-protocols transceiver module realizes the support to the multiple transmission means of message, and messenger service module selects different transmission meanss by event transfer to the messenger service module on other node by multi-protocols transceiver module;
Described Routing Forward Module forwarding messages gives the Routing Forward Module of other partitioned nodes, and this Message Transmission is given the messenger service module of this node, and again distributed in one's respective area after receiving the message that other subregion sends by the Routing Forward Module when below.
The aforesaid non-stop layer subregion multi partition message control system for regional power grid regulator control system, it is characterized in that: described each node is all reciprocity, the fault of part of nodes does not affect the message communicating between normal node.
The aforesaid non-stop layer subregion multi partition message control system for regional power grid regulator control system, it is characterized in that: described client modules adopts unixdomainsocket or loopback winding port as interprocess communication mode, described client uses background thread batch to obtain message from messenger service module, at local cache, avoid reading from link during each message sink.
The aforesaid non-stop layer subregion multi partition message control system for regional power grid regulator control system, it is characterized in that: described messenger service module is when client modules event of subscribing to changes, trigger event change notification message at once, regularly send total event notice message as heartbeat message simultaneously, realize subscription information sharing at this subregion.
The aforesaid non-stop layer subregion multi partition message control system for regional power grid regulator control system, it is characterized in that: described multi-protocols transceiver module adopts Transmission Control Protocol, PGM agreement or udp protocol, respectively for the reliable level demand of difference, can set and different type of messages is divided into different host-host protocols, simultaneously multi-protocols transceiver module can search before user's configuration, the host-host protocol selecting this message to take, guarantees its reliability requirement.
The aforesaid non-stop layer subregion multi partition message control system for regional power grid regulator control system, it is characterized in that: the event subscription information that described multi-protocols transceiver module is collected according to messenger service, decision message, the need of the specified node sending to same subregion, avoids unnecessary transfer of data.Messenger service module can exit according to the exception of heartbeat message Timeliness coverage node, and carries out removing work.
The aforesaid non-stop layer subregion multi partition message control system for regional power grid regulator control system, it is characterized in that: described Routing Forward Module operates in the border of each subregion, each zone configuration two routing nodes, described each routing node comprises a Routing Forward Module, described two routing nodes run with active-standby mode, the forwarding of message between feasible region, after routing node receives the message that other subregion sends, give local messenger service module by this Message Transmission, and again distribute in one's respective area.
The aforesaid non-stop layer subregion multi partition message control system for regional power grid regulator control system, it is characterized in that: described two routing nodes run with active-standby mode, the primary route node communication of primary route node and other subregion, forwarding messages, alternate routing nodal cache message, when primary route node failure, automatically switch to alternate routing node, and reissue the message in buffer memory.
The aforesaid non-stop layer subregion multi partition message control system for regional power grid regulator control system, it is characterized in that: described message can be stamped subregion sign after Routing Forward Module forwards, prevent from again being forwarded, and every a piece of news comprises the Macintosh of sequence number and transmitting time and node ID, for message screening.
The aforesaid non-stop layer subregion multi partition message control system for regional power grid regulator control system, it is characterized in that: when described message sends to other node, the event can paid close attention to according to node is filtered, avoid sending message to unnecessary node, when simultaneously message sends to messenger service module, messenger service module can be filtered the message received, and avoids upper level applications to receive the message of repetition.
The beneficial effect that the present invention reaches: the restriction that the non-stop layer subregion multinode message that the invention solves regional power grid regulator control system sends, has unified API Calls, has decreased occupying of interregional bandwidth, and improve reliability.When the present invention carries out message transmission between subregion, same message should only need to forward once, can not send repeatedly because subscription nodes; Application program can use same set of API to carry out message and send and receive between different node; Message should be able to process redundancy feature in interregional forwarding, carries out failover, has repeating transmission and filtering function, guarantees reliability and the uniqueness of message; Bus should be able to support different transmission meanss, and automatically can select according to configuration.
Accompanying drawing explanation
Fig. 1 is that in subregion of the present invention, message forwards schematic diagram.
Fig. 2 is by stages of the present invention Message routing schematic diagram.
Fig. 3 is messenger service module of the present invention and multi-protocols transceiver module schematic diagram.
Fig. 4 is Routing Forward Module module diagram of the present invention.
Fig. 5 is the automation system network Organization Chart of one embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
The present invention is used for each node that the non-stop layer subregion multi partition message control system of regional power grid regulator control system comprises same subregion as shown in Figure 1-2, and each node of different subregion, client modules, messenger service module, multi-protocols transceiver module is comprised in described each node, messaging bus adopts non-stop layer network structure, all node equities, there is not center service node, the fault of part of nodes does not affect the message communicating between normal node.
Client modules is the interface between CLIENT PROGRAM and messaging bus, during CLIENT PROGRAM messaging, by client modules and messenger service module communication.Client modules uses TCP winding port under using unixdomainsocket(windows) as inter-process communication mechanisms, do not use shared drive or File Mapping mode, realize the isolation of CLIENT PROGRAM and messenger service, avoid uncontrollable CLIENT PROGRAM to destroy the data structure shared.Client modules and messenger service intermodule use uplink and downlink two independently active link, realize sending being separated with reception, are independent of each other.The event of interaction message and concern between client modules and messenger service module.Send message time, client by up link by message-submission to messenger service module; During receipt message, client is supplied to messenger service module by the event that down link is paid close attention to, and obtains message from messenger service module.Client modules uses background thread batch to obtain message from messenger service module, and at local cache, during such CLIENT PROGRAM message call receiving interface, message has been present in client modules self buffer, avoids reading from link during each message sink.
As shown in Figure 3, messenger service module comprises event subscription and nodes heart beat module, client's side link administration module, log pattern, repetition message filtering module, described multi-protocols transceiver module comprises TCP sending/receiving module, PGM sending/receiving module, UDP sending/receiving module, described messenger service module act on behalf of this partitioned nodes message send and receive, and the registration of maintain customer end, subscription information.Messenger service module gathers the event that all clients of this node are paid close attention to, and is distributed to the messenger service module in the same network segment on other node by multicast, or is issued with multicast on network by total event notice message form.When subscription event changes, trigger event change notification message at once, regular transmission total event notice message is to nodes heart beat module as heartbeat message simultaneously, realizes subscription information sharing at the whole network.Messenger service module can exit according to the exception of heartbeat message Timeliness coverage node, and carries out removing work, and when message sends to other node, the event can paid close attention to according to node be filtered, and avoids sending message to unnecessary node.The repetition message filtering module of messenger service module can filter the message received simultaneously, avoids upper level applications to receive the message of repetition.
Multi-protocols transceiver module realizes the support to the multiple transmission means of message, and TCP sending/receiving module adopts Transmission Control Protocol, PGM sending/receiving module to adopt PGM agreement, UDP sending/receiving module to adopt udp protocol, respectively for the reliable level demand of difference; Can set and different type of messages is divided into different host-host protocols, event type belonging to current transmission message simultaneously, multi-protocols transceiver module can search before user configuration, the host-host protocol selecting this message to take, guarantees its reliability requirement.
The process of multi-protocols transceiver module sends task from the message of local message service module, according to type of message, selects different transmission meanss; The message that other node is sent is given to messenger service by multi-protocols transceiver module simultaneously, is distributed to client by messenger service; Multi-protocols transceiver module is according to the event subscription information of messenger service module collection, and decision message, the need of sending to specified node, avoids unnecessary transfer of data.
As indicated at 4, Routing Forward Module comprises area information receiver module, area information sending module, area message buffer memory retransmit module and state management module, each zone configuration two routing nodes, described each routing node comprises a Routing Forward Module, described two routing nodes run with active-standby mode, the forwarding of message between feasible region; During work, the primary route node communication of primary route node and other subregion, forwarding messages, alternate routing nodal cache message, when primary route node failure, automatically switches to alternate routing node, and reissues the message in buffer memory.After routing node receives the message that other subregion sends, give local background message service module by this Message Transmission, and again distribute in one's respective area.When after primary route and adapted route handoff, area message buffer memory retransmit module can be reissued the message in a period of time.
Message can be stamped subregion sign after Routing Forward Module forwards, and prevents from again being forwarded.Every a piece of news comprises the Macintosh of sequence number and transmitting time and node ID simultaneously, for message screening.The background message service module of destination node by message distribution to local client module before, from existing HASH table, examination can be carried out to message, filter the message repeated, and upgrade the content of HASH table.
Initiating communication session between messenger service module on the different node of the same subregion of the present invention, carries out message forwarding according to the subscription situation of other node to event.Exiting of arbitrary node, do not affect the Message Transmission of residue node, multicast heartbeat can remove the node exited.An application program can create multiple client modules, and each client modules is distinguished with login name.Client modules enables thread, and the message copy received by background message service module as early as possible, to local, waits for upper strata process.
Here is a preferred embodiment of the present invention, includes the message transmitting procedure of the acentric subregion multisegment messaging bus adopting system of the present invention to realize.Other feature, object and advantage of the present invention also can be found out from the explanation of embodiment.As shown in Figure 5, system comprises a series of application server and maintenance work station to automation system network framework, and these nodes all configure two pieces of network interface cards, realizes double-network redundant configuration.These servers are divided into EMS subnet (EMS: electric energy management system), WAMS subnet (WAMS: wide-area monitoring systems), and work station is divided into safeguards subnet and man-machine subnet;
Need interaction message data between these server and work stations, all nodes are in running background messenger service.Each subnet has two routing nodes, node is enabled route service and realizes message in interregional forwarding.
On dispatcher workstation B, program have subscribed specific event to messenger service, and this event also will be subscribed to backstage messenger service by Message routing Message routing host C and Message routing standby host D.When network state is all normal, when message application in SCADA server A (SCADA: data acquisition and monitoring) sends message, first Message Transmission is served to the background message bus of the machine, messenger service finds that routing node pays close attention to this message, so message to be sent to Message routing host C and Message routing standby host D.Message routing host C be in main-use mode, so this message is sent to the route messages route main frame E of the work station network segment by the route service on Message routing host C.After Message routing main frame E receives message, oneself is re-used as client, message is issued the background message service of the machine, so message is distributed again at this network segment, the receiving process on dispatcher workstation B finally have received this message.
If break down in Message routing host C process of transmitting, system management finds this fault automatically, and Message routing standby host D is switched to main-use mode, Message routing standby host D route service starts to forward work, the message of buffer memory is for the previous period sent to the Message routing standby host F (may have repetition message) of opposite end by it, after Message routing standby host F receives message, oneself is re-used as client, message is issued the messaging bus service on the machine backstage, so message is distributed again at this network segment, and reach dispatcher workstation B.If dispatcher workstation B received before this message, then can there is corresponding entry in showing in the HASH of dispatcher workstation B, and this message screening falls by messenger service, if do not had, then illustrate it is new message, this message is delivered to upper layer application.
More than show and describe general principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (10)
1. for the non-stop layer subregion multi partition message control system of regional power grid regulator control system, comprise each node of same subregion, and each node of different subregion, comprise client modules, messenger service module, multi-protocols transceiver module in described each node, it is characterized in that:
When described client modules sends message, by up link by message-submission to messenger service module; During receipt message, the event paid close attention to by down link is supplied to messenger service module, and obtains message from messenger service module;
The message that described messenger service module acts on behalf of this node sends and receives, and the registration of maintain customer end module, subscription information, messenger service module gathers the event that all client modules of this node are paid close attention to, and is distributed to the messenger service module in same subregion on other node by multicast;
Described multi-protocols transceiver module realizes the support to the multiple transmission means of message, and messenger service module selects different transmission meanss by event transfer to the messenger service module on other node by multi-protocols transceiver module;
Described Routing Forward Module forwarding messages gives the Routing Forward Module of other partitioned nodes, and this Message Transmission is given the messenger service module of this node, and again distributed in one's respective area after receiving the message that other subregion sends by the Routing Forward Module when below.
2. the non-stop layer subregion multi partition message control system for regional power grid regulator control system according to claim 1, it is characterized in that: described each node is all reciprocity, the fault of part of nodes does not affect the message communicating between normal node.
3. the non-stop layer subregion multi partition message control system for regional power grid regulator control system according to claim 1, it is characterized in that: described client modules adopts unixdomainsocket or loopback winding port as interprocess communication mode, described client uses background thread batch to obtain message from messenger service module, at local cache, avoid reading from link during each message sink.
4. the non-stop layer subregion multi partition message control system for regional power grid regulator control system according to claim 1, it is characterized in that: described messenger service module is when client modules event of subscribing to changes, trigger event change notification message at once, regularly send total event notice message as heartbeat message simultaneously, realize subscription information sharing at this subregion.
5. the non-stop layer subregion multi partition message control system for regional power grid regulator control system according to claim 4, it is characterized in that: described multi-protocols transceiver module adopts Transmission Control Protocol, PGM agreement or udp protocol, respectively for the reliable level demand of difference, can set and different type of messages is divided into different host-host protocols, simultaneously multi-protocols transceiver module can search before user's configuration, the host-host protocol selecting this message to take, guarantees its reliability requirement.
6. the non-stop layer subregion multi partition message control system for regional power grid regulator control system according to claim 5, it is characterized in that: the event subscription information that described multi-protocols transceiver module is collected according to messenger service, decision message is the need of the specified node sending to same subregion, avoid unnecessary transfer of data, messenger service module can exit according to the exception of heartbeat message Timeliness coverage node, and carries out removing work.
7. the non-stop layer subregion multi partition message control system for regional power grid regulator control system according to claim 6, it is characterized in that: described Routing Forward Module operates in the border of each subregion, each zone configuration two routing nodes, described each routing node comprises a Routing Forward Module, described two routing nodes run with active-standby mode, the forwarding of message between feasible region, after routing node receives the message that other subregion sends, give local messenger service module by this Message Transmission, and again distribute in one's respective area.
8. the non-stop layer subregion multi partition message control system for regional power grid regulator control system according to claim 7, it is characterized in that: described two routing nodes run with active-standby mode, the primary route node communication of primary route node and other subregion, forwarding messages, alternate routing nodal cache message, when primary route node failure, automatically switch to alternate routing node, and reissue the message in buffer memory.
9. the non-stop layer subregion multi partition message control system for regional power grid regulator control system according to claim 1, it is characterized in that: described message can be stamped subregion sign after Routing Forward Module forwards, prevent from again being forwarded, and every a piece of news comprises the Macintosh of sequence number and transmitting time and node ID, for message screening.
10. the non-stop layer subregion multi partition message control system for regional power grid regulator control system according to claim 1, it is characterized in that: when described message sends to other node, the event can paid close attention to according to node is filtered, avoid sending message to unnecessary node, when simultaneously message sends to messenger service module, messenger service module can be filtered the message received, and avoids upper level applications to receive the message of repetition.
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| CN107592364B (en) * | 2017-09-22 | 2020-08-11 | 中汇信息技术（上海）有限公司 | Distributed message exchange method and system |
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| CN110351139B (en) * | 2019-07-12 | 2022-03-29 | 天津凯发电气股份有限公司 | Multi-machine main-standby implementation method of power quality management system |
| CN112527522A (en) * | 2020-12-04 | 2021-03-19 | 中国航空工业集团公司成都飞机设计研究所 | Partitioned message subscribing and publishing method based on two-stage data pool |
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