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Method and device for processing message

A packet processing and packet technology, applied in the field of network communication, can solve the problems of waste of LSP label resources, LSP cannot share multiple services, etc., to save label resources and improve network performance.

Inactive Publication Date: 2012-05-02
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Due to label switching, LSPs in the network cannot be shared by multiple services, resulting in waste of LSP and label resources

Method used

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  • Method and device for processing message
  • Method and device for processing message
  • Method and device for processing message

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The embodiment of the present invention provides a message processing method, see figure 1 , the method includes:

[0038] 101: receiving service packets transmitted in the network;

[0039] 102: Obtain the outer label and inner label in the message;

[0040] 103: Find a matching node operation according to the inner label; or find a matching node operation based on the inner label and outer label; if a matching node operation is found, execute 104; if no matching node operation is found, execute 105.

[0041] 104: The message is processed according to the operation of the node, and the process ends.

[0042] 105: The message is forwarded according to the outer label, and the process ends.

[0043] The embodiment of the present invention processes the message according to the outer label and the inner label of the service message, realizes receiving services from different nodes on the same transmission path, saves label resources, and improves network performance. ...

Embodiment 2

[0045] The embodiment of the present invention provides a message processing method, the method includes: use the outer label and the inner label to process the service message in the network, the outer label is used to forward the service message; the inner label is used to to differentiate between different businesses. Specifically, in different networks, different outer labels and inner labels may be selected. For example, in an MPLS network, the LSP label can be selected as the inner label, and the PW label can be selected as the inner label. In VLAN, you can select the outer VLAN tag as the outer tag, and the inner VLAN tag as the inner tag.

[0046] Before packet processing, the following preparation steps are required:

[0047] Pre-configure the processing table items in each node of the network, specifically: determine the corresponding outer label and inner label of each service message in the network according to the preset mapping relationship between the service ...

Embodiment 3

[0070] The embodiment of the present invention provides a message processing method in a ring network, and on this basis, further proposes a service protection method in the ring network message processing process.

[0071] The message processing method provided by the embodiment of the present invention is the same as Embodiment 2, and is specifically applied to a ring network, such as an MPLS ring network. In this MPLS ring network, the outer label can be an LSP label, and the inner label can be Label for the PW.

[0072] Before packet processing, the following preparation steps are required:

[0073] In the MPLS ring network, configure two closed-loop LSPs in opposite directions. Both closed-loops include all nodes in the ring network. The two closed-loop LSPs configured can be two ring LSPs with opposite directions or two bidirectional ring LSPs. .

[0074] Specifically, take a ring network composed of six nodes A, B, C, D, E, and F as an example. In the ring network, co...

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Abstract

The embodiment of the invention discloses a method and a device for processing a message, belonging to the technical field of communication. The method comprises the following steps of: receiving a transmitted business message in a network; acquiring an outer label and an inner label in the message; searching matched node operation according to the inner label or searching matched node operation according to the inner label and the outer label; if the matched node operation is found out, processing the message according to the node operation; and if the matched node operation is not found out, transmitting the message according to the outer label. The equipment comprises a receiving module, an acquiring module, a searching module and a processing module. The embodiment of the invention processes the message according to the outer label and the inner label of the business message, leads a plurality of businesses in the network to be capable of sharing a transmitting path, saves label resources, and improves the integral performance of the network.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a message processing method and device. Background technique [0002] Ethernet and Multi-Protocol Label Switching (MPLS, Multi-Protocol Label Switching) are two common packet switching technologies. Ethernet technology is usually used in local area networks, while MPLS technology is usually used in core networks. Networks based on MPLS technology can quickly It forwards service packets and can well support enterprise virtual private network (VPN, Virtual Private Network). At present, MPLS-based technology is evolving towards the direction of the transport network. Because the ring network topology is particularly suitable for fast service protection switching, the current transport network usually adopts a ring topology structure. The transport network using MPLS technology will also be carried on the ring physical topology due to the laying of optical fibers. [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L29/06
CPCH04L47/10H04L12/6418
Inventor 龙昊张海燕曾理
Owner HUAWEI TECH CO LTD
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