CN105306559B - Non-stop layer subregion multi partition message control system for regional power grid regulator control system - Google Patents
Non-stop layer subregion multi partition message control system for regional power grid regulator control system Download PDFInfo
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- CN105306559B CN105306559B CN201510654921.4A CN201510654921A CN105306559B CN 105306559 B CN105306559 B CN 105306559B CN 201510654921 A CN201510654921 A CN 201510654921A CN 105306559 B CN105306559 B CN 105306559B
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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 the non-stop layer subregion multi partition message control systems for regional power grid regulator control system, each node including same subregion, and each node of different subregions, interior each node includes client modules, messaging service module, multi-protocols transceiver module；Client modules and messaging service intermodule use two independent active links of uplink and downlink, and realization sends and receives separation.The event that messaging service module pays close attention to this node all clients module summarizes, and the messaging service module in same subregion on other nodes is distributed to by multicast；The Routing Forward Module forwards the message to the Routing Forward Module of other partitioned nodes.The present invention solves the limitation that the non-stop layer subregion multinode message of regional power grid regulator control system is sent, and has unified API Calls, has reduced occupying for interregional bandwidth, and improve reliability.
Description
Technical field
The present invention relates to acentric subregion multinode message control system, can be applied to regional power grid regulator control system and
In other integral systems for having used multinode compartment model, belong to power dispatching automation field.
Background technique
In dispatch automated system, the messaging bus communication middleware module important as one provides not for system
With the transmission service of the information and date between process, between different machines.Messaging bus, which has, to be registered, nullifies, sending, connecing
The functions such as receipts, subscription, publication, and be supplied to all kinds of upper layer applications in the form of interface function and use, it supports one-to-one, one-to-many
Etc. message transmission form.For the demand of power scheduling, quickly transmitting telemetry, switch changed position, trouble-signal, control is supported
All kinds of real time datas and the events such as instruction；Support that the data to polymorphic (real-time state, inverting state, research state, test state) are transmitted.
General message-oriented middleware mostly uses the operating mode at center, by disposing one or more Central Message service
Device, the program for needing to communicate are connected on server as client, and message is issued central server by the producer, consumer with
Pull-mode takes out message from central server.Dispatch automated system more uses push mode, to will disappear as soon as possible
Breath is sent to destination node；In addition in black starting-up, it is desirable that the monitoring function of whole system can be completed using an application server
Energy.So the messaging bus in dispatch automated system is generally using equity design, i.e., arbitrary node can be independent complete in system
It works at information receiving and transmitting, such messaging bus does not influence message between remaining node in any some node failures or after exiting
Communication.
With the extension of application and the promotion of system scale, for the ease of management, automated system is divided initially to service
Device node and workstation nodes.Such as SCADA/PAS/FES application node is located at server node, and the node of daily maintenance is located at
Workstation nodes.Message between server and workstation nodes is usually realized that is, workstation nodes are sent by event forwarding
It is carried out with message is received by being connected to the event forwarding service of server node, by the hair of event forwarding service broker's message
It send and receives.This has resulted in workstation nodes and sends and receives message needing using another set of api interface.Meanwhile different works
When making the same type of message of tiny node subscription, same message needs transmit more parts between two nodes, cause bandwidth
Waste.
In addition, with the development of dispatching automation technology, automated system has gradually surmounted the scope of local area network, to wide area
The direction evolution of multi partition.Ground county integral system reconciles the application such as SCADA/FES in county's tune with being deployed in, and realizes distribution
Formula monitoring；Different application types is assigned to different nodes by integrated operation of power networks intelligence system, realize application every
From；Subdispatch system realize the layering and zoning of automation function with it is mutually coordinated；Therefore, messaging bus is also required to follow tune
The development of automated system is spent, realizes the support to message transmission under wide area partitioned environment.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide the non-stop layer subregions for regional power grid regulator control system
Multi partition message control system.
To solve the above-mentioned problems, 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, each section including same subregion
Each node of point and different subregions, interior each node includes client modules, messaging service module, multi-protocols transmitting-receiving
Module and Routing Forward Module, it is characterised in that:
When the client modules send message, message-submission is given to messaging service module by uplink；Reception disappears
When breath, messaging service module is supplied to by the event that downlink is paid close attention to, and obtain message from messaging service module；
The message that the messaging service module acts on behalf of this node sends and receives, and safeguards the registration of client modules, orders
Information is read, the event that messaging service module pays close attention to this node all clients module summarizes, and is distributed to by multicast
Messaging service module in same subregion on other nodes；
The multi-protocols transceiver module realizes the support to a variety of transmission modes of message, and messaging service module by assisting more
View transceiver module selects different transmission modes that event is passed to the messaging service module on other nodes；
The Routing Forward Module forwards the message to the Routing Forward Module of other partitioned nodes, when subsequent routing forwarding
After module receives the message that other subregions are sent, the messaging service module of this node is passed the message to, and in one's respective area
Again distribute.
It is previously described for the non-stop layer subregion multi partition message control system of regional power grid regulator control system, it is characterised in that:
Each node be all it is reciprocity, the failure of part of nodes does not influence the message communicating between normal node.
It is previously described for the non-stop layer subregion multi partition message control system of regional power grid regulator control system, it is characterised in that:
The client modules use unix domain socket or loopback winding port as interprocess communication mode, described
Client obtains message from messaging service module using background thread batch, in local cache, when avoiding each message sink from
Link is read.
It is previously described for the non-stop layer subregion multi partition message control system of regional power grid regulator control system, it is characterised in that:
The messaging service module is when client modules subscribe to event and change, trigger event change notification message at once, simultaneously
Total event notice message is periodically sent as heartbeat message, realizes subscription information in the shared of the subregion.
It is previously described for the non-stop layer subregion multi partition message control system of regional power grid regulator control system, it is characterised in that:
The multi-protocols transceiver module uses Transmission Control Protocol, PGM agreement or udp protocol, can be with respectively for different reliable level demands
Different type of messages is divided into different transport protocols by setting, at the same multi-protocols transceiver module can search before user
Configuration, the transport protocol for selecting the message that should take, it is ensured that its reliability requirement.
It is previously described for the non-stop layer subregion multi partition message control system of regional power grid regulator control system, it is characterised in that:
Whether the event subscription information that the multi-protocols transceiver module is collected according to messaging service, decision message need to be sent to same subregion
Specified node, avoid unnecessary data from transmitting.Messaging service module can find in time the different of node according to heartbeat message
It often exits, and is purged work.
It is previously described for the non-stop layer subregion multi partition message control system of regional power grid regulator control system, it is characterised in that:
The Routing Forward Module operates in the boundary of each subregion, two routing nodes of each zone configuration, each routing section
Point includes a Routing Forward Module, and described two routing nodes are run with active-standby mode, realizes the forwarding of interregional message, road
After receiving the message that other subregions are sent by node, local messaging service module is passed the message to, and in one's respective area
Again distribute.
It is previously described for the non-stop layer subregion multi partition message control system of regional power grid regulator control system, it is characterised in that:
Described two routing nodes are run with active-standby mode, and primary route node is communicated with the primary route node of other subregions, forwarding
Message, alternate routing nodal cache message automatically switch to alternate routing node, and reissue when primary route node failure
Message in caching.
It is previously described for the non-stop layer subregion multi partition message control system of regional power grid regulator control system, it is characterised in that:
The message can be labeled with subregion sign after Routing Forward Module forwards, and prevent from being forwarded again, and each message package
Macintosh containing sequence number and sending time and node ID is used for message screening.
It is previously described for the non-stop layer subregion multi partition message control system of regional power grid regulator control system, it is characterised in that:
When the message is sent to other nodes, it can be filtered according to the event that node is paid close attention to, avoid sending messages to unnecessary
Node, while when message is sent to messaging service module, messaging service module can be filtered the message received, avoid upper layer
Application program receives duplicate message.
Advantageous effects of the invention: the present invention solves the non-stop layer subregion multinode of regional power grid regulator control system
The limitation that message is sent, has unified API Calls, has reduced occupying for interregional bandwidth, and improve reliability.The present invention exists
When carrying out message transmission between subregion, same message should only need to forward once, will not send because number of nodes is subscribed to
Repeatedly；Application program is able to use same set of API progress message between different nodes and sends and receives；Message is in interregional forwarding
Redundancy feature should be able to be handled, failover is carried out, there is repeating transmission and filtering function, it is ensured that the reliability and uniqueness of message；
Bus should be able to support different transmission modes, and can be automatically selected according to configuration.
Detailed description of the invention
Fig. 1 is that message forwards schematic diagram in subregion of the invention.
Fig. 2 is that by stages message of the invention routes schematic diagram.
Fig. 3 is messaging service module of the 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 architecture diagram of one embodiment of the invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
The present invention is used for the non-stop layer subregion multi partition message control system of regional power grid regulator control system as shown in Figs. 1-2
Each node of each node and different subregions including same subregion, interior each node includes client modules, message clothes
Business module, multi-protocols transceiver module, messaging bus use non-stop layer reticular structure, and center service is not present in all nodes equities
Node, the failure of part of nodes do not influence the message communicating between normal node.
Client modules are the interfaces between CLIENT PROGRAM and messaging bus, when CLIENT PROGRAM messaging, pass through client
End module is communicated with messaging service module.Client modules are used and are returned under unix domain socket(windows using TCP
Central port) inter-process communication mechanisms are used as, shared drive or File Mapping mode are not used, realizes CLIENT PROGRAM and messaging service
Isolation, avoid uncontrollable CLIENT PROGRAM from destroying shared data structure.Client modules and messaging service intermodule use
Two independent active links of uplink and downlink, realization send and receive separation, are independent of each other.Client modules and messaging service
The event of interaction message and concern between module.When sending message, client is taken message-submission to message by uplink
Business module；When receiving message, client is supplied to messaging service module by the event that downlink is paid close attention to, and from message
Service module obtains message.Client modules obtain message from messaging service module using background thread batch, in local cache,
When CLIENT PROGRAM calls message sink interface in this way, message is present in client modules self buffer, avoids each message
It is read when reception from link.
As shown in figure 3, messaging service module includes event subscription and nodes heart beat module, client connection management mould
Block, log module, repetition message filtering module, the multi-protocols transceiver module include TCP sending/receiving module, PGM transmission connect
Module, UDP sending/receiving module are received, the message that the messaging service module acts on behalf of this partitioned nodes sends and receives, and safeguards
The registration of client, subscription information.The event that messaging service module pays close attention to this node all clients summarizes, and passes through
Multicast is distributed to the messaging service module in same network segment on other nodes, or through total event notice message form on network
It is issued with multicast.When subscription event changes, trigger event change notification message at once, while it is logical periodically to send total event
Know that message, as heartbeat message, realizes subscription information in the shared of the whole network to nodes heart beat module.Messaging service module being capable of root
It finds that the exception of node exits in time according to heartbeat message, and is purged work, it, can be according to section when message is sent to other nodes
The event of point concern is filtered, and avoids sending messages to unnecessary node.The repetition message mistake of messaging service module simultaneously
Filter module can be filtered the message received, and upper level applications is avoided to receive duplicate message.
Multi-protocols transceiver module realizes the support to a variety of transmission modes of message, and TCP sending/receiving module is assisted using TCP
View, PGM sending/receiving module use udp protocol using PGM agreement, UDP sending/receiving module, respectively for different reliable ranks
Demand；It can set and different type of messages is divided into different transport protocols, while according to belonging to currently transmitted message
Event type, multi-protocols transceiver module can search before user configuration, the transport protocol for selecting the message that should take, it is ensured that
Its reliability requirement.
Message of the multi-protocols transceiver module processing from local message service module sends task, according to type of message, choosing
Select different transmission modes；The message that other nodes are sent is given to messaging service by multi-protocols transceiver module simultaneously, is taken by message
Business is distributed to client；Multi-protocols transceiver module is according to the event subscription information of messaging service module collection, and whether decision message
It needs to be sent to specified node, unnecessary data is avoided to transmit.
As indicated at 4, Routing Forward Module includes area information receiving module, area information sending module, area message
Caching retransmits module and state management module, two routing nodes of each zone configuration, and each routing node includes one
Routing Forward Module, described two routing nodes are run with active-standby mode, realize the forwarding of interregional message；It is primary when work
Routing node is communicated with the primary route node of other subregions, forwards message, and alternate routing nodal cache message works as primary route
When node failure, alternate routing node is automatically switched to, and reissues the message in caching.Routing node receives other subregions and sends
Message after, pass the message to local background message service module, and distribute again in one's respective area.Work as primary route
After adapted route handoff, area message caching is retransmitted module and can be reissued the message in a period of time.
Message can be labeled with subregion sign after Routing Forward Module forwards, and prevent from being forwarded again.Each simultaneously
Message includes the Macintosh of sequence number and sending time and node ID, is used for message screening.The background message service of destination node
Module can carry out screening, filtering weight to message from existing HASH table before by message distribution to native client end module
Multiple message, and update the content of HASH table.
Communication session is initiated between messaging service module on the same subregion difference node of the present invention, according to other nodes pair
The subscription situation of event carries out message forwarding.Arbitrary node exits, and does not influence the message transmission of remaining node, multicast heartbeat meeting
Remove the node exited.One application program can create multiple client module, and each client modules are distinguished with login name.
Client modules enable thread, and the message that background message service module receives is copied to local as early as possible, wait upper layer processing.
Here is a preferred embodiment of the present invention, includes that realized using system of the invention one is acentric
The message transmitting procedure of subregion multisegment messaging bus.Other features of the invention, objects and advantages can also be from embodiments
Explanation in find out.Automation system network framework is as shown in figure 5, include a series of application server and maintenance workers in system
It stands, these nodes all configure two pieces of network interface cards, realize double-network redundant configuration.These servers are divided into EMS subnet (EMS: electric energy
Management system), WAMS subnet (WAMS: wide-area monitoring systems), work station is divided into maintenance subnet and man-machine subnet；
Interaction message data are needed between these servers and work station, all nodes are in running background messaging service.
Each subnet enables route service there are two routing node, on node and realizes message in interregional forwarding.
Program has subscribed specific event to messaging service on dispatcher workstation B, which will also be routed by message disappears
Breath routing host C and message route standby host D and subscribe to backstage messaging service.When network state is all normal, SCADA server A
When message application on (SCADA: data acquisition and monitoring) sends message, the backstage for posting messages to the machine first disappears
Bus service is ceased, messaging service discovery routing node pays close attention to the message, then transmits the message to message routing host C and message
Route standby host D.Message routing host C is in main-use mode, and then the route service on message routing host C passes the message
Give the route messages routing host E of work station network segment.After message routing host E receives message, it oneself is re-used as client, it will
Message issues the background message service of the machine, and then message is distributed again in this network segment, the reception on dispatcher workstation B into
Journey finally has received the message.
If breaking down in message routing host C transmission process, system administration finds the failure automatically, and message is routed
Standby host D is switched to main-use mode, and message routing standby host D route service starts to forward work, the message that it will be cached for the previous period
It is sent to message routing standby host F (there may be repetition message) of opposite end, after message routing standby host F receives message, oneself is re-used as
Message is issued the messaging bus service on the machine backstage by client, and then message is distributed again in this network segment, and reaches dispatcher
Work station B.If dispatcher workstation B had been received before the message, can exist in the HASH table of dispatcher workstation B
Corresponding entry, messaging service fall the message screening, if it is not, explanation is new message, which is delivered on
Layer application.
Basic principles and main features and advantage of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (10)
1. being used for the non-stop layer subregion multi partition message control system of regional power grid regulator control system, each section including same subregion
Each node of point and different subregions, interior each node includes client modules, messaging service module, multi-protocols transmitting-receiving
Module, it is characterised in that:
When the client modules send message, message-submission is given to messaging service module by uplink；When receiving message,
It is supplied to messaging service module by the event that downlink is paid close attention to, and obtains message from messaging service module；
The message that the messaging service module acts on behalf of this node sends and receives, and safeguards the registration of client modules, subscribes to letter
Breath, the event that messaging service module pays close attention to this node all clients module summarizes, and is distributed to by multicast same
Messaging service module in subregion on other nodes；
The multi-protocols transceiver module realizes the support to a variety of transmission modes of message, and messaging service module is received by multi-protocols
Hair module selects different transmission modes that event is passed to the messaging service module on other nodes；
Routing Forward Module forwards the message to the Routing Forward Module of other partitioned nodes, when subsequent Routing Forward Module receives
After the message that other subregions are sent, the messaging service module of this node is passed the message to, and is distributed again in one's respective area.
2. the non-stop layer subregion multi partition message control system according to claim 1 for regional power grid regulator control system,
It is characterized by: each node be all it is reciprocity, the failure of part of nodes does not influence the message communicating between normal node.
3. the non-stop layer subregion multi partition message control system according to claim 1 for regional power grid regulator control system,
It is characterized by: the client modules are led to using unix domain socket or loopback winding port as between process
Letter mode, the client modules obtain message from messaging service module using background thread batch, in local cache, avoid every
It is read when secondary message sink from link.
4. the non-stop layer subregion multi partition message control system according to claim 1 for regional power grid regulator control system,
It is characterized by: the messaging service module is when client modules subscribe to event and change, trigger event variation at once is logical
Know message, while periodically sending total event notice message as heartbeat message, realizes subscription information in the shared of the subregion.
5. the non-stop layer subregion multi partition message control system according to claim 4 for regional power grid regulator control system,
It is characterized by: the multi-protocols transceiver module uses Transmission Control Protocol, PGM agreement or udp protocol, respectively for different reliable grades
Other demand can set and different type of messages is divided into different transport protocols, while multi-protocols transceiver module can be looked into
User configuration before looking for, the transport protocol for selecting the message that should take, it is ensured that its reliability requirement.
6. the non-stop layer subregion multi partition message control system according to claim 5 for regional power grid regulator control system,
It is characterized by: whether the event subscription information that the multi-protocols transceiver module is collected according to messaging service, decision message need
It is sent to the specified node of same subregion, avoids unnecessary data from transmitting, messaging service module can be timely according to heartbeat message
It was found that the exception of node exits, and it is purged work.
7. the non-stop layer subregion multi partition message control system according to claim 6 for regional power grid regulator control system,
It is characterized by: the Routing Forward Module operates in the boundary of each subregion, two routing nodes of each zone configuration are described
Each routing node includes a Routing Forward Module, and described two routing nodes are run with active-standby mode, realizes interregional disappear
The forwarding of breath after routing node receives the message that other subregions are sent, passes the message to local messaging service module, and
Distribute again in one's respective area.
8. the non-stop layer subregion multi partition message control system according to claim 7 for regional power grid regulator control system,
It is characterized by: described two routing nodes are run with active-standby mode, the primary route section of primary route node and other subregions
Point communication, forwards message, and alternate routing nodal cache message automatically switches to alternate routing when primary route node failure
Node, and reissue the message in caching.
9. the non-stop layer subregion multi partition message control system according to claim 1 for regional power grid regulator control system,
It is characterized by: the message can be labeled with subregion sign after Routing Forward Module forwards, prevent from being forwarded again, and every
A piece of news includes the Macintosh of sequence number and sending time and node ID, is used for message screening.
10. the non-stop layer subregion multi partition message control system according to claim 1 for regional power grid regulator control system,
It is characterized by: can be filtered according to the event that node is paid close attention to when the message is sent to other nodes, avoid sending message
To unnecessary node, while when message is sent to messaging service module, messaging service module can carry out the message received
Filter, avoids upper level applications from receiving duplicate message.
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| CN108319513B (en) * | 2018-01-23 | 2021-04-02 | 北京东土科技股份有限公司 | Message transmission method and device in multi-partition operating system |
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