CN1297927C - Message intermediate item system possessing level topological structure and message transmission method - Google Patents
Message intermediate item system possessing level topological structure and message transmission method Download PDFInfo
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Abstract
The present invention relates to a message-oriented middleware system with a hierarchical topological structure and a message transmitting method. Each piece of the message-oriented middleware in the system is divided into more than one domain, and each domain is at least provided with a piece of the message-oriented middleware and a piece of bridge middleware; a client transmits a message in the domain where the client is through the message-oriented middleware, or further transmits the message to clients in other domains through the bridge middleware. The message transmitting method concretely comprises the steps that the message-oriented middleware extracts a message from a message queue to be transmitted so as to analyze the message; if the message is transmitted to a client registered in the domain, the message is transmitted to the corresponding client; if the message is transmitted to a client registered outside the domain, the message is transmitted to the bridge middleware of the domain, and is forwarded by the bridge middleware. The present invention realizes dynamic routing and load equalization, solves the problem of the reliable data transmission of a distributed information system under a complex network, and ensures the high expansibility of the system and the reliable and highly efficient transmission of the message under the condition of an unstable network.
Description
Technical field
The present invention relates to a kind of message-oriented middleware system and message delivery method with multi-level topology, be meant a kind of employing hierarchical topology scheme especially, message-oriented middleware is divided and managed by the territory, realization belongs to computer network and information middleware Technology based on the system and the transmission method thereof of the message dynamic routing of message-oriented middleware.
Background technology
High speed development along with network and infotech, the application of distributed information system is extensive day by day, and message-oriented middleware is also more and more important as the gordian technique that solves communication issue between communication between complicated each ingredient of large-scale distributed system and a plurality of distributed system.
At present, the scale of distributed information system is more and more huger, and complexity is also more and more higher.The industry that has, as bank, postal service etc., its infosystem is widely distributed geographically, can arrive each provinces and cities of the whole nation greatly.This just requires the message-oriented middleware of infosystem must possess high extensibility, and can adapt to complicated network environment.
In the prior art, the technology that solves the message-oriented middleware extendability mainly is a Clustering, and the applied Clustering of present message-oriented middleware all is the trunking mode of no level equity.As shown in Figure 1: the trunking mode of message-oriented middleware is no level, reciprocity, and client is fixedly attached on certain message-oriented middleware; The message route adopts direct redirect formula, be that message can receive on the associated message-oriented middleware of client from sending directly to send on the associated message-oriented middleware of client, as the routed path of the message from the customer end A to the customer end B be: customer end A-middleware 1-middleware 4-customer end B.This trunking mode possesses certain advantage, and that is exactly simple in structure, implements than being easier to, and also relatively is easy to dispose and management, relatively is suitable for compact applications.But this structure exemplary shortcomings is: (1) is not suitable for large-scale application, this is its a fatal shortcoming, when system complexity acquires a certain degree, too much node can cause total system to be difficult to management, and cause performance sharply to descend, if n node arranged in the system, the linking number that need manage for each message-oriented middleware is n-1, and the pass that need safeguard for total system is n (n-1)/2.(2) the path uniqueness of message-oriented middleware message route, owing to adopt direct redirect formula route, and client all is fixedly connected on certain message-oriented middleware, so caused the path uniqueness of the message route of message-oriented middleware, no matter go-between goes wrong or message-oriented middleware itself goes wrong, the capital causes message can not be sent to the destination smoothly, on the Wide Area Network of system deployment at less stable, network condition is especially complicated, and the message-oriented middleware of this trunking mode just more cannot say for sure to demonstrate,prove the reliable transmission of message.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of message-oriented middleware and message delivery method with multi-level topology, solve the reliability transmission problem of the data of distributed information system under complex network, guarantee the reliable and high efficiency of transmission of message under the unstable networks situation.
Another object of the present invention is to provide a kind of message-oriented middleware and message delivery method with multi-level topology, message-oriented middleware is organized by the trunking mode with level, guarantees the manageability of distributed information system and stablizing of performance.
Another purpose of the present invention is to provide a kind of message-oriented middleware and message delivery method with multi-level topology, improves the extensibility of distributed information system, when system load increases, realizes the expansion of system by the mode that increases the territory.
The object of the present invention is achieved like this: a kind of message-oriented middleware system with multi-level topology, and all message-oriented middlewares in this system are divided into more than one territory; Each territory has at least a bridge middleware is only arranged in a message-oriented middleware and each territory; Client is by message-oriented middleware pass-along message in the territory at its place, perhaps further by the bridge middleware and with the client pass-along message in other territories.
Above-mentioned all message-oriented middlewares that are in the same territory pass through the mutual pass-along message of Peer; The message-oriented middleware in the same area is not communicated by letter with the bridge middleware in the territory, place separately respectively, and the bridge middleware in the same area does not intercom mutually by Peer.
Preserve the routing table of global synchronization in the described message-oriented middleware, this routing table records the routing address of message at least, and this routing table is undertaken by the bridge middleware in each territory synchronously.
Described routing address is used for the position of unique identification node at network, records the identification information of client, the identification information of message-oriented middleware and the identification information in territory at least.
Described territory is corresponding one by one with the stable LAN (Local Area Network) that distributes, and connects by wide area network between each territory.
Have the message delivery method of the message-oriented middleware system of multi-level topology, specifically comprise following treatment step:
Step 1: message-oriented middleware takes out message and analyzes from the message queue of waiting to send out;
Step 2: if this message sends to the client of registering in this territory; Then this message is sent to corresponding client;
Step 3: if send to client, this message is sent to the bridge middleware in this territory, transmit by this bridge middleware in this overseas registration.
Above-mentioned steps 2 specifically comprises:
Step 21: message-oriented middleware takes out message and whether it is judged from registered client from pending message queue;
Step 22: if the corresponding tables of modifying target address and client then, and the destination address of routing table and the corresponding tables of client in this message-oriented middleware synchronously finish;
Step 23: if not, then further judge whether to send this message, if send, then this message is write corresponding theme, and this message is sent to corresponding subscriber, finish;
Step 24: if do not send, then abandon this message, and finish.
The step that above-mentioned steps 3 described bridge middlewares are transmitted message specifically comprises:
Step 31: receive message and this message is analyzed;
Step 32: if the destination address of this message in this territory, then directly sends to this message the message-oriented middleware of appointment;
Step 33; If the destination address of this message, is then searched the corresponding tables with the bridge middleware not in this territory, and message is sent to corresponding bridge middleware.
Compared with prior art, the present invention has tangible advantage and good effect.By the level structure of message-oriented middleware system, solved distributed information system data reliability transmission problem under complex network, guaranteed the high scalability and the reliable and high efficiency of transmission of message under the situation of unstable networks of system.(1) level topological structure is by the high scalability of level structure assurance system, when system load increases, can realize the expansion of system by increasing the territory, can not increase simultaneously the complexity of individual domain again, guarantee the manageability of system, simultaneously again can the loss system performance; (2) all message-oriented middlewares are divided into the territory, divide by the territory, can be within the specific limits with the problem shielding, go wrong in the territory and can not expand in other territories, increase the ease of manageability of whole message-oriented middleware cluster simultaneously, when network condition very complicated, system's node very for a long time, this advantage will be more obvious; (3) dynamic routing can guarantee to go wrong or certain node of message-oriented middleware still can guarantee reliably sending to of message when going wrong at network by dynamic routing; (4) realize load balancing, when certain message-oriented middleware node load is excessive in the system, can message be transmitted by other path by the mechanism of dynamic routing.
Description of drawings
Fig. 1 does not have the level equity synoptic diagram of trooping for message-oriented middleware;
Fig. 2 is a message-oriented middleware level cluster structural representation of the present invention;
Fig. 3 outwards sends message flow chart for message-oriented middleware of the present invention;
Fig. 4 receives, sends the implementing procedure figure of message for message-oriented middleware of the present invention;
Fig. 5 is a message-oriented middleware Business Logic processing messages process flow diagram.
Fig. 6 is request in the message transmission of the present invention--reply the dynamic routing implementation method of formula;
Fig. 7 is issue during message of the present invention is transmitted--subscribe to the dynamic routing implementation method of formula;
Fig. 8 is agency--agency's a dynamic routing implementation method during message of the present invention is transmitted.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing and specific embodiment:
Consult Fig. 2, message-oriented middleware of the present invention system adopts the level topological structure, adopting the management unit of territory as the message-oriented middleware cluster, specifically is that whole message-oriented middleware is divided into a plurality of territories, and each territory is made up of an above message-oriented middleware and a bridge middleware, the customer's representative is by message-oriented middleware communication, it is responsible for communicating by letter with the customer's representative of message-oriented middleware, and the bridge middleware is responsible for the communication between the territory, and each territory is a network segment, different territories interconnect communication, constitute wide area network.Individual domain generally is deployed on the stable LAN (Local Area Network), at least be deployed on the LAN (Local Area Network), also can stride LAN (Local Area Network), connect by wide area network between the different territories, the instability of network can be shielded and limit within the specific limits by this syndeton, be convenient to fault-tolerant processing.When system load increases, can realize the expansion of system by increasing the territory, can not increase the complexity of individual domain again simultaneously, thereby guarantee the manageability of system, simultaneously again can the loss system performance, make to have higher extensibility in the territory.
In each above-mentioned message-oriented middleware, all preserve routing table, this routing table global synchronization, and this is concrete synchronously by the realization of bridge middleware, the message based address of message route, has the global address form, can the position of unique identification node in network, include agency's identification information, the identification information of message-oriented middleware and the identification information in territory in this address at least.For example: the message addresses of one embodiment of the present of invention can be set up by following form:
ProxyID@RouterID@DomainID
Wherein, ProxyID is an agent identification, and RouterID is the message-oriented middleware sign, and DomainID domain identifier, @ are the list separator between each information.
Dynamic routing of the present invention be achieved in that between the bridge middleware carry out system-wide by, be that the bridge middleware connects with Peer, if a certain paths between a bridge middleware and another bridge middleware is obstructed, message still can transmit through other paths between this bridge middleware and another bridge middleware.For example: bridge middleware A sends message to bridge middleware B, if the path between bridge middleware A and the bridge middleware B goes wrong, message will send bridge middleware B to through bridge middleware C.Therefore, the present invention is associated with on the territory by client rather than on certain message-oriented middleware, thereby provides mulitpath for message sends to client.By above 2 combination, the present invention has realized the dynamic routing that message is transmitted.
It below is the implementation procedure of dynamic routing in one embodiment of the present of invention.If customer end A will send message to client F, so possible path will have following several:
(1) customer end A → message-oriented middleware 1 → bridge middleware A → bridge middleware C → message-oriented middleware 5 → client F;
(2) customer end A → message-oriented middleware 1 → bridge middleware A → bridge middleware C → message-oriented middleware 6 → client F;
(3) customer end A → message-oriented middleware 2 → bridge middleware A → bridge middleware C → message-oriented middleware 5 → client F;
(4) customer end A → message-oriented middleware 2 → bridge middleware A → bridge middleware C → message-oriented middleware 6 → client F;
(5) customer end A → message-oriented middleware 1 → bridge middleware A → bridge middleware B → bridge middleware C → message-oriented middleware 5 → client F;
(6) customer end A → message-oriented middleware 1 → bridge middleware A → bridge middleware B → bridge middleware C → message-oriented middleware 6 → client F;
(7) customer end A → message-oriented middleware 2 → bridge middleware A → bridge middleware B → bridge middleware C → message-oriented middleware 5 → client F;
(8) customer end A → message-oriented middleware 2 → bridge middleware A → bridge middleware B → bridge middleware C → message-oriented middleware 6 → client F.
Referring to Fig. 3, it outwards sends the flow process of message for message-oriented middleware.The message-oriented middleware that sends message is from waiting to send out cancellation breath the message queue, and the transmission object of this message judged, if send to the client of in this territory, registering, then directly send to corresponding client, otherwise this message-oriented middleware will wait that the message of sending out sends to the bridge middleware in this territory.
Referring to Fig. 4, it is a message-oriented middleware Business Logic processing messages process flow diagram, message-oriented middleware is obtained message from pending message queue, judge that then whether message is from the client of registering, if, the corresponding tables of modifying target address and client then, the corresponding tables of purpose in the synchronization message middleware or destination address and client, and carry out corresponding synchronous and handle; If not, then further judge whether it is that client gives out information, be then message to be write corresponding theme, and send message, otherwise abandon finishing to all subscribers.
Referring to Fig. 5, in the system of the present invention, the process of its message that is received of bridge middleware processes is: the bridge middleware judges whether this message is the message that sends to its territory, place after receiving message, if then this message is sent to the specified message-oriented middleware of its aiming field (" T0 "); Otherwise this bridge middleware is searched the routing table corresponding with this bridge middleware, and this message is sent to corresponding bridge middleware.
The embodiment that message of the present invention is transmitted:
Referring to Fig. 6, this is a kind of request--reply the dynamic routing implementation method of formula, its processing procedure is: provide the client of answer service promptly to act on behalf of to the message-oriented middleware registration of giving tacit consent to, and set up related with purpose or destination address (Destination), judge whether the message of receiving is request message, when being request message, then judge whether from associated client, in this way, then requesting client is passed through related message-oriented middleware to specific destination address (Destination) submit applications, this related message-oriented middleware is searched the destination address (Destination) of oneself and the corresponding tables of acknowledged client end, then the destination field of this message (" T0 ") is set to receive the address value of client, and source field (" From ") is set to the address of requesting client, at this moment, perhaps when judging that the message of receiving is not request message, but during response message, judge whether to send to the client that is registered to this territory, in this way, then the message that this is received sends to the client of appointment in the message destination field (" T0 "), and the transmission of this message finishes; When judging when not sending to the client that is registered to this territory, this message is sent to the bridge middleware in this territory, then the transmission of this message finishes; If the message received is neither request message, neither response message, the transmittance process of this message finishes.
Another embodiment that message of the present invention is transmitted:
Referring to Fig. 7, be a kind of message issue--subscribe to the dynamic routing implementation method of formula, its processing procedure is: the issue agency of trademark registration is to message-oriented middleware, and set up related with destination address (Destination), judge that whether the message that receives is for giving out information, when this message for giving out information and during from associated clients, subscription agent is consulted destination address (Destination) subscription table, message purpose or destination address are set to the subscriber address, then, be to give out information but when not being message from associated clients perhaps in the message of this reception, judge whether to send to the client that is registered to this territory, in this way, send to the client of appointment in the message destination field (" T0 "), then the transmittance process of this message finishes; Or the message that receives is when being subscribe message, and source field (" the From ") address of message is added in destination address (Destination) subscription table, and the transmittance process of this message finishes; If the message of this reception is neither give out information, in the time of neither subscribe message, the transmittance process of this message finishes.
Another embodiment that message of the present invention is transmitted:
Referring to Fig. 8, a kind of dynamic routing implementation method of acting on behalf of, its processing procedure is: accept the message-oriented middleware registration of the agency of message to association, and set up related with destination address (Destination), judge that whether this message is from associated clients, in this way, then search destination address (Destination) registration table, the destination field (" T0 ") that message is set is for receiving the address of client, and source field (" FROM ") is set for sending the address of client, then, not during perhaps, judge whether to send to the client that is registered to this territory, if send to the client that is registered to this territory from associated clients in the message that receives, then this message is issued the client of appointment in the destination field (" T0 "), then this message process finishes; If not send to the client that is registered to this territory, then this message is sent to the bridge middleware in this territory, the transmittance process of end.
It should be noted that at last: above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this instructions has been described in detail the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1, a kind of message-oriented middleware system with multi-level topology, it is characterized in that: all message-oriented middlewares in this system are divided into more than one territory; Each territory has at least a bridge middleware is only arranged in a message-oriented middleware and each territory; Client is by message-oriented middleware pass-along message in the territory at its place, perhaps further by the bridge middleware and with the client pass-along message in other territories.
2, the message-oriented middleware system with multi-level topology according to claim 1 is characterized in that: all message-oriented middlewares that are in the same territory pass through the mutual pass-along message of Peer.
3, the message-oriented middleware system with multi-level topology according to claim 1, it is characterized in that: the message-oriented middleware in the same area is not communicated by letter with the bridge middleware in the territory, place separately respectively, and the bridge middleware in the same area does not intercom mutually by Peer.
4, according to claim 1 or 2 or 3 described message-oriented middleware systems with multi-level topology, it is characterized in that: the routing table of preserving global synchronization in the described message-oriented middleware, this routing table records the routing address of message at least, and this routing table is undertaken by the bridge middleware in each territory synchronously.
5, the message-oriented middleware system with multi-level topology according to claim 4, it is characterized in that: described routing address is used for the position of unique identification node at network, records the identification information of client, the identification information of message-oriented middleware and the identification information in territory at least.
6, the message-oriented middleware system with multi-level topology according to claim 1 is characterized in that: described territory is corresponding one by one with the stable LAN (Local Area Network) that distributes, and connects by wide area network between each territory.
7, a kind of message delivery method based on the arbitrary system of claim 1-6, it is characterized in that: this method specifically comprises following treatment step:
Step 1: message-oriented middleware takes out message and analyzes from the message queue of waiting to send out;
Step 2: if this message sends to the client of registering in this territory; Then this message is sent to corresponding client;
Step 3: this message is sent to the client of this overseas registration, then this message is sent to the bridge middleware in this territory, transmit by this bridge middleware.
8, message delivery method according to claim 7 is characterized in that: described step 2 specifically comprises:
Step 21: message-oriented middleware takes out message and whether it is judged from registered client from pending message queue;
Step 22: if the corresponding tables of modifying target address and client then, and the destination address of routing table and the corresponding tables of client in this message-oriented middleware synchronously finish;
Step 23: if not, then further judge whether to send this message, if send, then this message is write corresponding theme, and this message is sent to corresponding subscriber, finish;
Step 24: if do not send, then abandon this message, and finish.
9, message delivery method according to claim 7 is characterized in that: the step that the bridge middleware is transmitted message comprises:
Step 31: receive message and this message is analyzed;
Step 32: if the destination address of this message in this territory, then directly sends to this message the message-oriented middleware of appointment;
Step 33; If the destination address of this message, is then searched the corresponding tables with the bridge middleware not in this territory, and message is sent to corresponding bridge middleware.
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| CN101917332B (en) * | 2010-05-24 | 2012-07-04 | 宁波东海蓝帆科技有限公司 | Message delivery method for reducing network load of message midware |
| CN102546461B (en) * | 2011-12-13 | 2014-06-25 | 中国电子科技集团公司第十五研究所 | Multi-hierarchy message middleware system and message forwarding control method and device thereof |
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| CN106126349A (en) * | 2016-06-14 | 2016-11-16 | 浪潮电子信息产业股份有限公司 | A kind of remote invocation method, message-oriented middleware cluster and system |
| CN108881369B (en) * | 2018-04-24 | 2020-09-29 | 中国科学院信息工程研究所 | Data exchange method based on data content-oriented cloud message middleware and cloud message middleware system |
| CN108718272A (en) * | 2018-05-10 | 2018-10-30 | 星络科技有限公司 | Message routing conversion and device |
| CN109547243B (en) * | 2018-11-16 | 2021-12-03 | 南京华讯方舟通信设备有限公司 | DDS-based cross-network-segment communication method |
| CN111314213B (en) * | 2020-01-20 | 2022-08-19 | 上海瀚银信息技术有限公司 | Communication gateway system of cross-local area network |
| CN111666162B (en) * | 2020-04-30 | 2022-12-30 | 平安科技（深圳）有限公司 | Distributed message transmission method, device, computer equipment and storage medium |
| CN112235205B (en) * | 2020-09-21 | 2022-07-01 | 珠海市卓轩科技有限公司 | Method, device and storage medium for transmitting and consuming MQ message |
| CN112328404B (en) * | 2020-11-26 | 2023-08-08 | 北京百度网讯科技有限公司 | Load balancing method and device, electronic equipment and computer readable medium |
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