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Context identification negotiation method, server and client used for OAA

A server and client technology, applied in the field of communication, can solve problems such as exceptions, and achieve the effect of avoiding exception handling

Active Publication Date: 2015-04-01
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the server interface attribute that affects the Context ID changes, the Context ID will change, but at this time the connection between the two ends is normal, and the Context ID will not be renegotiated. In this case, an exception will occur during data flow processing.

Method used

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  • Context identification negotiation method, server and client used for OAA
  • Context identification negotiation method, server and client used for OAA
  • Context identification negotiation method, server and client used for OAA

Examples

Experimental program
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Effect test

Embodiment 1

[0031] By sending a protocol message to the client, the server notifies the client that the interface attribute of the server interface has changed, so that the client actively requests to negotiate the Context ID.

[0032] The following introduces an implementation method for realizing the server interface attribute change notification message.

[0033] see image 3 , the interface attribute change notification message sent by the server can be sent by image 3 Standard ACSEI protocol message implementation shown. The fields included in the protocol header of the packet are:

[0034] VER occupies 4 bits, indicating the version number of the protocol. Currently, it is 1, indicating version 1.

[0035] RES1 occupies 3 bits, reserved, temporarily useless.

[0036] C / S occupies 1 bit, 0 indicates a message from the ACFP Client, and 1 indicates a message from the ACFP Server.

[0037] TYPE occupies 1 byte, indicating the message type.

[0038] RES2 occupies one byte, reserve...

Embodiment 2

[0057] The following describes the implementation of actively negotiating a new Context ID with the server according to the interface attribute notification message sent by the server in this embodiment:

[0058] see Figure 5 , Figure 5 This is the flow chart of the context identification negotiation in the second embodiment. The specific steps are:

[0059] In step 501, the client receives an SNMP message sent by the server, and the message carries the interface attribute of the server interface and the corresponding interface index.

[0060] In this step, the client can set the timed acquisition, and the user can set the time for acquiring the interface properties according to the actual situation. SNMP is used for network management. The SNMP packets sent by the server to the client carry the interface index and interface attributes of the server interface.

[0061] Step 502 , according to the interface index of the server interface, it is judged whether the acquired ...

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Abstract

The invention discloses a context identification negotiation method used for OAA (Open Application Architecture). The method comprises: when the client knows the interface attribute change of a server interface, the client actively initiates a context identification negotiation request to the server; after the context identification negotiation request is received by the server, the server responds to the client about the negotiation result of carrying new context identification. Based on the same invention conception, the invention also discloses a server and a client which are able to help avoid abnormal processing of data flows.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular, to a context identification negotiation method, a server and a client for Open Application Architecture (OAA). Background technique [0002] In today's network world, the requirements for network equipment are no longer only the data forwarding capabilities provided by traditional routers and switches, but also require network equipment to support various applications. And it is difficult for any independent technology vendor to provide all the services that customers demand at the same time. And an open structure - OAA, can integrate the equipment and software produced by many different manufacturers, work like one equipment, provide customers with integrated solutions, and become a rising star of network development. [0003] see figure 1 , figure 1 It is the basic architecture diagram of OAA. like figure 1 As shown, the OAA system can be divided into th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/08
Inventor 汪洪远
Owner NEW H3C TECH CO LTD