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List item management method and device

A technology for table entry management and table entry, applied in the field of network communication to reduce power consumption and heat generation

Active Publication Date: 2019-03-15
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a table item management method and device to solve the problem that the existing technology cannot better solve the contradiction between TCAM capacity and TCAM power consumption and heat generation

Method used

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  • List item management method and device
  • List item management method and device
  • List item management method and device

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Embodiment Construction

[0022] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, and to make the above-mentioned purposes, features and advantages of the embodiments of the present invention more obvious and understandable, the following describes the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings For further detailed explanation.

[0023] see Figure 1A , which is a schematic diagram of a hardware design applying entry management according to an embodiment of the present invention:

[0024] Figure 1A A schematic diagram of partitioning of a TCAM is shown in . The TCAM is located on the network device and can be a large-capacity TCAM, which includes at least two storage blocks, each of which can store entries, and the space of each storage block can be occupied by one entry Integer multiples of the space. Wherein, the storage block storing the entry is ...

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Abstract

The present invention provides an entry management method and device, the entry management method is applied to network equipment, the network equipment includes a TCAM, and a storage block is set in the TCAM, wherein the storage block storing the entry is in use state, the storage block that does not store the table item is in the closed state, and the method includes: generating the table item to be added; Select a storage block from the storage blocks in the closed state, and set the selected storage block to the use state; insert the entry to be added into the TCAM. Therefore, the present invention can make table entries be stored in the storage blocks that are in use, and the storage blocks that do not store table items are in the closed state, thereby reducing the power consumption and Calorific value.

Description

technical field [0001] The present invention relates to the technical field of network communication, in particular to a table item management method and device. Background technique [0002] A ternary content addressable memory (TCAM) is a commonly used content-based search device. Because TCAM has the advantages of fast search speed and simple operation, it is widely used in network equipment to search for content such as routing, access control list (Access Control List, ACL), and hardware address (Media Access Control, MAC). However, TCAM also has disadvantages such as high power consumption and high heat generation. [0003] In the prior art, in order to overcome the shortcomings of TCAM, the content of entries is generally compressed by a compression algorithm, so that more entries can be saved by using a TCAM with a smaller capacity, so that the TCAM device with a smaller capacity can be used to reduce the cost of the TCAM. power consumption and heat generation. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/743
CPCH04L45/74591
Inventor 覃志祥
Owner NEW H3C TECH CO LTD