Message forwarding method and device

A technology of message forwarding and data message, applied in the field of network communication, can solve the problem that the attribute information of the business chain cannot be retained on demand and so on.

Active Publication Date: 2018-03-09
NEW H3C TECH CO LTD
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Problems solved by technology

[0004] However, if the tail node of the service chain in the data center deletes the NSH encapsulated in the data message, the attribute information of the service chain carried by the NSH will also be deleted. It is impossible to keep the attribute information of the service chain in a specific application scenario on demand. The specific application scenario here For example: the operation and maintenance tool needs to dynamically display the business chain through which the data message passes, and the attribute information of the business chain is transmitted across data centers, etc.

Method used

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Embodiment Construction

[0024] In order to meet the requirements of retaining business chain attribute information in specific application scenarios, so as to realize the dynamic display of the business chain through which data packets are passed by the operation and maintenance tool, and the transmission of business chain attribute information across data centers, etc., this application provides such as figure 2 method shown.

[0025] see figure 2 , figure 2 The flow chart of the message transmission method provided by this application. Such as figure 2 As shown, the process may include the following steps:

[0026] In step 201, the first flow classification node determines the service chain that needs to retain the specified information in the NSH.

[0027] Here, the first flow classification node generally refers to a flow classification node of any data center, which is only for convenience of description and not for limitation.

[0028] In one example, the first stream classification no...

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Abstract

The invention provides a message forwarding method and device, wherein a flow classification node determines a business chain which requires to save the specified information in the network service header NSH. When the data message is received, a first NSH is encapsulated for the data message and sent to a first node of the business chain if the data message matches the above business chain. The first NSH carries a retention mark, and the retention mark is used for indicting that a tail node of the business chain retains the specified information in the first NSH. And then the specified information in the first NSH is retained which is based on the retention mark in the first NSH encapsulated for the data message without cleaning the whole NSH when the tail node of the specified business chain receives the date message. The message forwarding method and device have the advantages that the business chain achieves that information is preserved on demand, and the purpose of business chain, business chain attribute information and data center transmission via the operation and maintenance tool dynamically displays the data message is satisfied.

Description

technical field [0001] The present application relates to network communication technology, in particular to a message forwarding method and device. Background technique [0002] In multiple data center scenarios, an independent controller can be deployed in each data center for independent management of the data center. [0003] When the flow classification (CF: Classification) node of the data center receives the data message, if it is determined that the data message matches the service chain, the data message will be encapsulated in the Network Service Header (NSH: Network Service Header) and sent to the The first node of the business chain, figure 1 NSH format is shown. After the head node of the business chain and the intermediate node of the business chain (the business processing node between the head node of the business chain and the tail node of the business chain) receive the data message encapsulated with NSH, the data message encapsulated with NSH is processe...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/851
CPCH04L47/2441H04L2212/00
Inventor 曲进
Owner NEW H3C TECH CO LTD
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