CN1144148C - Centralized information exchange method and realizing module - Google Patents
Centralized information exchange method and realizing module Download PDFInfo
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- CN1144148C CN1144148C CNB001057235A CN00105723A CN1144148C CN 1144148 C CN1144148 C CN 1144148C CN B001057235 A CNB001057235 A CN B001057235A CN 00105723 A CN00105723 A CN 00105723A CN 1144148 C CN1144148 C CN 1144148C
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Abstract
The present invention discloses a centralized information exchange method and a realizing module thereof. A client end for information exchange establishes the own information receiving and sending queue when registering system. An addressing list including the coincidence relation of the logical address and the physical address of an exchanging client end is established in a core exchanging module. When the information exchange is carried out, a source client end of the information exchange does not need the physical address of an intended target and only needs to designate the logic name, and then the core exchanging module can look for the idlest physical address of the logic according to the addressing list. The information exchange control is convenient, and the modularization degree is higher.
Description
Technical field
The present invention relates to field of information processing, particularly about a kind of method of message exchange and realize the Information Exchange System of this method.
Background technology
Arising at the historic moment of ecommerce is that the development of information and the information processing technology obtain a typical characteristics of advancing by leaps and bounds.See that technically all e-commerce initiatives can be summed up as the exchange of the Transaction Information between domestic consumer and the service provider (as the market), the i.e. exchange of the Transaction Information between user terminal and the service end.For example shown in Figure 1, domestic consumer orders article by the Web website in Internet visit market.And used communication facilities, communication media, the communication protocol of the message exchange between user and service provider can be varied, with regard to means of communication, commonly used just comprises: Internet, phone, fax, SMS, CATV (cable television), beeper and based on the terminal device of WAP (Wireless Application Protocol) etc.All new means of communication also will appear future.
In the processing procedure of message exchange, message exchange scheme the earliest is the host terminal mode, and promptly the user is by terminal direct control main frame, and this mode is relatively simple for structure, and response speed is also than comparatively fast, but is not suitable for collaborative work.Along with the development of PC and LAN (Local Area Network), progressively formed client/service (Client/Server) mode, as shown in Figure 2.Client comprises service logic and display logic, and service end generally realizes by the shared data bank system.This scheme begins to consider user terminal is separated with Database Systems, but contact is still very close.
For lowering the complexity of user terminal, more common mode is the three-Tier Model that adds middleware by the access of Internet at present, as shown in Figure 3.This is the breakthrough that message exchange is handled, and it mainly is that display logic is separated with service logic.This mode is mostly carried out by the company of computer industry at present, as the e-Business of IBM Corporation, and the Digital Nervous System of Windows etc.Relation between access subsystem and the service application subsystem is a kind of client/service relation, and the communication between them is undertaken by the agreement of service end internal unity.For adapting to different subscriber terminal equipments and communication protocol, adopt the solution of setting up the different access subsystems that adapt to different user terminals communication protocol, as shown in Figure 4.
The pattern of above-mentioned message exchange all is to be confined in the concrete scope of using, different application, and promptly an application subsystem all must possess and the concrete professional relevant access subsystem of respectively communicating by letter.For different service ends, all must independently prepare the complete application system of a cover for carrying out message exchange activity widely, comprise connecting system and application system.Because, be that service organization or domestic consumer's terminal all must independent be considered the related communication media of message exchange between them, communication protocol etc., all must set up the disposal system of handling these exchange agreements, in whole process, service end will be handled all relevant message exchange problem, equipment and agreements etc.
And at present, the application that message exchange is related, for example in the e-commerce initiative, domestic consumer is very extensive to the demand of addressing means, as Internet, phone, fax, mobile phone, CATV (cable television) etc.; Simultaneously, concerning service provider, need provide different network insertion means to come to provide service for different users.Like this, it is complicated that the network between user and the service provider connects, as shown in Fig. 5 (a).Therefore, carry out ecommerce and also become very difficult, extensive and general message exchange be used also bring obstacle.
For solving existing problem in the above-mentioned message exchange, between user terminal and service end, increase terminal device gateway and gateway, be responsible for request between user terminal and the service end and response message are converted to unified information format.Between terminal device gateway and gateway, increase one deck structure simultaneously, be responsible for the exchange of the consolidation form information between user terminal and the service end specially, realize the coupling of user and service end request and response message by distinctive message exchange mechanism.Like this, under the prerequisite that does not directly provide user terminal to arrive complicated network connection of service end and communication protocol, the service terminal that user side is can be by single line access different, service end also can provide service for different user terminals by single circuit, shown in Fig. 5 (b).The characteristics of this structure are all electronic information services and the application that can make up CtoB between multiple users, the many service ends (user is to service end), CtoC (between user and the user), BtoB (between service end and the service end) and BtoC (service end is between the user) fast.
Summary of the invention
The method that realizes above-mentioned message exchange mechanism can have multiple, and purpose of the present invention just is to propose a kind of information and concentrates the method for exchange and the Information Exchange System of this method of realization, is convenient to exchange control, and the degree of modularity is higher.
A kind of information of the present invention concentrates the method for exchange to comprise following steps:
The exchange client is all set up message pick-up and the transmit queue of oneself when Accreditation System;
In the core crosspoint, set up and include the logical address that exchanges client and the addressing list of physical address corresponding relation;
When the first exchange client (A) has data when the second exchange client (B) sends, send the transmission request that comprises logic destination address (B) to its transmit queue (A001S), monitor and obtain this transmission request by the core crosspoint;
The core crosspoint is tabled look-up according to above-mentioned addressing list and is obtained this logic destination address (B) corresponding physical destination address (B001R), the request of should sending sends to this target physical address (B001R), exchanges client (B) by second of this target physical address and obtains this request of data;
After the second exchange client (B) obtains this request of data, send the reply data that comprises source physical address (A) to its transmit queue (B001S), receive by the monitoring of core crosspoint, not addressing directly sends to this reply data the reception formation (A001R) of this source physical address (A), and the first exchange client (A) obtains this and replys.
Include logic destination address, request msg, source logical address and source physical address in the above-mentioned transmission request; Comprise active logical address, source physical address, reply data and logic destination address in the reply data.
According to technique scheme, the logical address of a message exchange end can corresponding more than one physical address in described addressing list.The core crosspoint is being tabled look-up according to addressing list when obtaining logic destination address corresponding physical destination address, can obtain the most idle physics destination address according to the state of each physics destination address.
A kind of Information Exchange System that realizes said method comprises:
The queue accesses unit, from message queue, obtain packet to the exchange request of Master Control Unit output information and, in message queue, place information exchange requests according to the target physical address that Master Control Unit obtains;
Selected cell is inquired about the most idle target physical address that obtains correspondence according to the target logic title of Master Control Unit output, and is exported to Master Control Unit in addressing list;
Master Control Unit from queue accesses unit acquired information exchange request, splits header data and obtains the target logic title, exports to selected cell; Obtain the target physical address of target logic title correspondence from selected cell, export to the queue accesses unit;
Monitoring unit is monitored the state of each exchange client, and state write in the described addressing list and
Queue management device is managed each message queue.
According to technique scheme, described queue accesses unit, selected cell, Master Control Unit and monitoring unit are constituted the core crosspoint, this core crosspoint can be a plurality of to constitute the exchange cluster.Connection between the core crosspoint of exchange cluster can be to adopt the technology of load balancing to increase a front end processor in front, is responsible for being distributed to the core crosspoint; Perhaps can realize by the express passway of core crosspoint inside.
The superiority of the concentrated switching technology of message exchange is the physical address that does not need intended target, only needs to specify this logical OR service name, concentrates switch mode just can seek out the physical address of this most idle logical OR service according to address table.Be convenient to exchange control, the degree of modularity is than higher.
When with the inventive method and system applies during in e-commerce system, because the modularization and the normalization of message exchange, the framework of system no longer is confined in the concrete range of application, be that the complete application system of a cover needn't independently be prepared for carrying out e-commerce initiative again by different service providers, can adapt to user's addressing means widely by the most cheap the simplest framework.Make the simpler and more direct and easy row of implementation of ecommerce.
Description of drawings
Fig. 1 is general information exchange synoptic diagram.
Fig. 2 is the client/service mode synoptic diagram of message exchange.
Fig. 3 is the three-Tier Model of message exchange.
Fig. 4 is that the different user terminals equipment of Fig. 3 inserts synoptic diagram.
Fig. 5 is the information exchange mode of Fig. 3 and the present invention's information exchange mode contrast synoptic diagram.
Fig. 6 is the present invention's concentrated message switching fabric synoptic diagram.
Fig. 7 is the inner structure synoptic diagram of the present invention's core crosspoint.
Fig. 8 is the present invention's concentrated message exchanging workflows journey figure.
Fig. 9 exchanges the expansion structure synoptic diagram for concentrating of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments invention is further described in more detail.
Concentrated switching technology generally all is applied in the signal exchange on the hardware, and the signal exchange such as in ATM switch, programme-controlled exchange, the IP switch etc. also is not applied in the message exchange.Both differences are the difference of the level of application and application, and the former is the forwarding of the information on physical link, and the latter is the services request of the application layer in message exchange and the exchange of replying.
Referring to shown in Figure 6, the present invention mainly is made of three parts, promptly exchanges client (as A, B), core crosspoint, queue management device.Wherein, the exchange client is responsible for receiving and sending messages from the formation of oneself; The core crosspoint obtains solicited message from input queue, obtain target physical address according to the destination service title, and solicited message is sent to the formation of target physical address; Queue management device is responsible for the management of each formation of system.
The cut-away view of core crosspoint is referring to shown in Figure 7.Wherein, Master Control Unit, be responsible for the work of the whole core crosspoint of overall scheduling, main task is the request that obtains from the queue accesses unit, split header data and obtain the destination service title, find out corresponding physical destination address (physical queue name) from selected cell, call the queue accesses unit again and place request; The queue accesses unit, the main packet of being responsible in the read-write formation; Selected cell mainly obtains the most idle target physical address according to destination address; Monitoring unit is responsible for the state of each client of monitoring, and state is write in the addressing list.
Need to prove that the addressing list maintenance scheme can have a lot, also can realize similar maintenance such as directly by Master Control Unit counter being set, this maintenance scheme is just wherein a kind of.
The present invention's E-business applications workflow is referring to shown in Figure 8.Workflow is as follows:
0) reception and the transmit queue of acquisition oneself after A, the B Accreditation System;
1) A sends request (B, Data1, A, A001R) to the A001S transmit queue; Wherein B represents the logic destination address of purpose exchange customer end B, and Data1 represents request content, and A represents the logical address of source exchange customer end A, and A001R represents the physical address of source exchange client;
2) the core crosspoint monitors request of data among the A001S, receive;
3) the core crosspoint is obtained the physical address B001R that purpose exchanges customer end B according to addressing list, and request is sent to B001R;
4) purpose exchange customer end B obtains request of data from B001R, and handles;
5) the exchange customer end B sends reply data (A, A001R, Data2, B) to B001S; Wherein A represents the logical address of source exchange customer end A, and Data2 represents response content, and B represents the logic destination address of purpose exchange customer end B, and A001R represents the physical address of source exchange client;
6) the core crosspoint monitors request of data among the B001S, receive;
7) the core crosspoint is checked through A physical address, and then not addressing directly sends to data A001R;
8) A obtains to reply from A001R.
Key of the present invention is to safeguard addressing list, for same customer end B, allow to exist a plurality of examples, promptly customer end B has a plurality of physical addresss in addressing list, wherein write down the running status of each address, the core crosspoint can dynamically determine to select the physical address of free instance according to running status when addressing.This scheme has the effect of dynamic equalization for the load of system.
The scheme of the near-linear expansion of exchange capacity is very natural in this technology, is not difficult to find out that from present technique " bottleneck " of whole message exchange is the core crosspoint, and its switching performance is directly connected to the running of whole Information Exchange System.
In order to address this problem, can form the exchange cluster, referring to shown in Figure 9 by increasing a plurality of core crosspoints.Because the performance of each crosspoint is stable, so in the scope of hardware and network permission, the exchange capacity of total system and the number of crosspoint are the near-linear expansions.Connection between the crosspoint can have a lot of methods, increases a front end processor in front such as the technology that adopts load balancing, is responsible for being distributed to crosspoint, again such as realizing by the express passway of crosspoint inside.
Claims (7)
1, a kind of information is concentrated the method for exchange, it is characterized in that comprising following steps:
In the core crosspoint, set up and include the logical address that exchanges client and the addressing list of physical address corresponding relation; The exchange client is all set up message pick-up and the transmit queue of oneself when Accreditation System;
When the first exchange client has data when the second exchange client sends, send the transmission request that comprises source physical address and purpose logical address to its transmit queue;
The monitoring of core crosspoint also obtains this transmission request, tables look-up in above-mentioned addressing list and obtains the target physical address of this purpose logical address correspondence, and the request of should sending sends to this target physical address;
The second exchange client receives formation by it and obtains this request of data and processing, send the reply data that comprises source physical address to its transmit queue, receive by the monitoring of core crosspoint, not addressing directly sends to this reply data the reception formation of this source physical address, and the first exchange client obtains this and replys.
2, information according to claim 1 is concentrated the method for exchange, it is characterized in that:
In the described addressing list, the corresponding more than one physical address of logical address of an exchange client, and in addressing list the running status of each physical address of record.
3, information according to claim 2 is concentrated the method for exchange, it is characterized in that:
When the core crosspoint is obtained the target physical address of purpose logical address correspondence according to addressing list, be the most idle target physical address of state acquisition according to each target physical address.
4, information according to claim 1 is concentrated the method for exchange, it is characterized in that:
Described transmission request comprises purpose logical address, request msg, source logical address and source physical address; Described reply data comprises source logical address, source physical address, reply data and purpose logical address.
5, a kind of information that realizes is concentrated the Information Exchange System of exchange, it is characterized in that comprising:
The queue accesses unit, from message queue, obtain packet to the exchange request of Master Control Unit output information and, in message queue, place information exchange requests according to the target physical address that Master Control Unit obtains;
Selected cell is inquired about the most idle target physical address that obtains correspondence according to the target logic title of Master Control Unit output, and is exported to Master Control Unit in addressing list;
Master Control Unit from queue accesses unit acquired information exchange request, splits header data and obtains the target logic title, exports to selected cell; Obtain the target physical address of target logic title correspondence from selected cell, export to the queue accesses unit;
Monitoring unit is monitored the state of each exchange client, and state write in the described addressing list and
Queue management device is managed each message queue.
6, Information Exchange System according to claim 5 is characterized in that: described queue accesses unit, selected cell, Master Control Unit and monitoring unit constitute the core crosspoint, and this core crosspoint is a plurality of to constitute the exchange cluster.
7, Information Exchange System according to claim 6 is characterized in that: the connection between the core crosspoint of described exchange cluster is to adopt the technology of load balancing to increase a front end processor in front, is responsible for being distributed to the core crosspoint; Perhaps the express passway by core crosspoint inside realizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB001057235A CN1144148C (en) | 2000-04-05 | 2000-04-05 | Centralized information exchange method and realizing module |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB001057235A CN1144148C (en) | 2000-04-05 | 2000-04-05 | Centralized information exchange method and realizing module |
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| CN1267868A CN1267868A (en) | 2000-09-27 |
| CN1144148C true CN1144148C (en) | 2004-03-31 |
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| CN103873523B (en) * | 2012-12-14 | 2018-02-27 | 北京东方通科技股份有限公司 | client cluster access method and device |
| CN109684109B (en) * | 2018-12-27 | 2020-12-11 | 北京天融信网络安全技术有限公司 | Data sharing system and data sharing method |
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