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Message encapsulating method and device thereof

A message encapsulation and message technology, applied in the direction of digital transmission system, electrical components, error prevention, etc., can solve the problems of difficult message forwarding, complex message forwarding process, etc., to simplify the process of obtaining packaged information, simplify The effect of flow and small amount of information

Active Publication Date: 2012-09-05
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that looking for multiple forwarding tables in order to obtain encapsulation information makes the forwarding process of the message complicated. On the chip, the message forwarding process is more complicated, and it is more difficult to realize message forwarding

Method used

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  • Message encapsulating method and device thereof
  • Message encapsulating method and device thereof
  • Message encapsulating method and device thereof

Examples

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Embodiment Construction

[0054] The basic idea of ​​the present invention is: set up export header table, any record of described export header table all comprises all encapsulation information of its corresponding forwarding entry, and establishes the association table of forwarding table and export header table, combines forwarding table and export In this way, when encapsulating a message, first obtain the outbound port information through the forwarding table, then query the corresponding association information in the association table according to the outbound port information, and finally query the outbound header table through the association information to obtain the encapsulated packet. It simplifies the process of obtaining the encapsulation information when encapsulating the message, which in turn simplifies the process of message forwarding and speeds up the rate of message forwarding.

[0055] In the message encapsulation device of the first embodiment of the present invention described b...

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Abstract

The invention discloses a message encapsulating device, which comprises an inlet chip, a main control panel and an outlet chip; wherein, the inlet chip is used for inquiring a forwording-table, determining the output terminal information which the message entering the inlet chip is corresponding to, inquiring an associative table according to the output terminal information and determining the associative information which the message is corresponding to; the main control panel switches the received message and associative information into the outlet chip according to the received output terminal information; the outlet chip inquires an outlet section header table according to the determined associative information, determines the encapsulating information of the message, and encapsulates the message according to the determined encapsulating information. The invention discloses a message encapsulating method; by establishing the outlet section header table and the associative table between the forwording-table and the outlet section header, the complete encapsulating information can be inquired in the section header table. The device and the method can simplify the process of obtaining encapsulating information.

Description

technical field [0001] The invention relates to inter-board communication technology, in particular to a message encapsulation method and device. Background technique [0002] A distributed switch, that is, the switch includes multiple line cards in addition to the main control board. Currently, the packet forwarding process of each chip on the line card board includes three processes: table lookup, encapsulation, and forwarding. That is, first look up the forwarding table, determine the outgoing port information of the packet, obtain the encapsulation information, and encapsulate the packet. The encapsulated packet is forwarded by the egress port. Among them, the encapsulation information is stored in multiple forwarding tables respectively, that is, only part of the encapsulation information is stored in each forwarding table. Only the encapsulation information queried in each forwarding table can get the complete encapsulation information. It can be seen that looking f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L1/00H04L47/43
Inventor 李小利陈光
Owner ZTE CORP
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