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A message processing method and device

A message processing and message technology, applied in the field of message editing, can solve problems such as infeasibility of engineering, and achieve the effect of low overhead and rich flexibility

Active Publication Date: 2021-03-23
SUZHOU CENTEC COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Under the current application, there is more and more demand for Programmable ASIC, but the traditional Ethernet switching chip cannot deviate from the structure of using 3 to 4 large-capacity logic tables, otherwise it will become unfeasible in engineering

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  • A message processing method and device
  • A message processing method and device
  • A message processing method and device

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Embodiment Construction

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.

[0029] A message processing device and method disclosed in the present invention implements on a traditional high-bandwidth network switching integrated circuit by adding relevant table item fields and organizing related table items on the message processing pipeline without changing the traditional In the case of the packet exchange processing pipeline, the packet editing information is indexed through the limited forwarding information table items, and the flexibility of the packet editing behavior is realized at a lower cost.

[0030] to combine figure 1 and image 3 As shown, a message processing method disclosed in the present invention includes:

[0031] S1. Add the first index pointer in the destination port table, add the second and third index pointers in the next hop table...

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Abstract

The present invention discloses a message processing method and device. The method includes adding a first index pointer to the destination port table, adding second and third index pointers to the next hop table, and editing the behavior table and / or message in the tunnel Add the fourth index pointer to the second-level editing behavior table, use the first, second, third and fourth index pointers to index the four memories in the chip respectively, and get the first, second, third and fourth associated data by indexing respectively , configuring the fifth associated data, data selection information, and editing position information in the tunnel editing behavior table and / or message layer-2 editing behavior table, wherein the data selection information is used to indicate how to select the first to fifth associated data The required message content, the editing position information is used to indicate how to edit the message content selected from the first to fifth associated data to the position in the message. The present invention realizes richer flexibility with lower overhead without changing the traditional message exchange processing pipeline.

Description

technical field [0001] The invention relates to a message editing technology, in particular to a message processing method and device. Background technique [0002] High-performance Ethernet switching chips are generally designed and implemented in the form of application-specific integrated circuits. In order to provide high-performance forwarding capabilities, each block is embedded with a static random-access memory (Embedded Static Random-Access Memory, eSRAM), and a data packet can only be accessed once. Therefore, the packet processing engine in the pipeline (Pipeline) mode uses a limited amount of eSRAM to store the forwarding and editing information issued by the control plane. [0003] At the same time, due to the physical characteristics of eSRAM, within a certain range, the higher the depth, the greater the storage density. For example, assuming that an eSRAM with a depth of 1K (1024) and a width of 50 bits occupies an area of ​​1 on an integrated circuit (IC), ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L12/879H04L12/46H04L45/74H04L49/901
CPCH04L45/74H04L49/901H04L12/4641
Inventor 蒋震方沛昱崔兴龙周伟
Owner SUZHOU CENTEC COMM CO LTD
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