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Method for implementing mixed-granularity virtual cascade

A technology of mixed granularity and implementation method, which is applied in the field of network communication, can solve the problems that bandwidth resources and system processing resources cannot be used reasonably and effectively, and achieve the effect of enhancing flexibility and saving processing resources

Inactive Publication Date: 2008-10-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of the problems existing in the above-mentioned prior art, the purpose of the present invention is to provide a method for realizing virtual concatenation of mixed granularity, so as to solve the shortcomings in the prior art that bandwidth resources and system processing resources cannot be reasonably and effectively utilized

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  • Method for implementing mixed-granularity virtual cascade
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  • Method for implementing mixed-granularity virtual cascade

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Embodiment Construction

[0034] The main purpose of the present invention is to solve the shortcomings of inflexible bandwidth utilization when using virtual concatenation mapping data due to the single granularity of virtual concatenation processing in the prior art, and proposes to support virtual concatenation processing methods of different granularities in the chip at the same time, so as to effectively Utilize bandwidth resources and processing resources in devices or systems to increase the flexibility of virtual concatenation mapping.

[0035] The core idea of ​​this solution is to separate the scheduling buffers (caches) necessary for virtual cascading processing according to different granularities, and set up a corresponding virtual cascading scheduling buffer for scheduling buffer processing with different granularities. The cascade scheduling cache is used to schedule and cache the data of the corresponding channel at the corresponding granularity. Such as image 3 As shown, two virtual ...

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Abstract

This invention relates to a method for realizing virtual cascade connection for mixed grains which configurates the channels into different scheduled buffer storage grains and dispatches data transmitted in each channel to the virtual cascade dispatched buffer storage related to said dispatched buffer stored grains for buffer storage. When the dispatch is finished, data in the virtual cascade dispatched buffer storage are imaged into the SDH / SONET time slot, which realizes the virtual cascade connection process supporting different grains in a same network device.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method for realizing virtual concatenation of mixed granularity. Background technique [0002] VC (Virtual Concatenation, virtual concatenation) technology can transmit concatenated services in devices that do not support concatenated services, and at the same time allocate bandwidth flexibly to users according to different service needs. The members constituting the payload of the virtual concatenation need not be consecutive. In an SDH (Synchronous Digital Hierarchy) network, the members of the virtual concatenation payload can pass through different network paths between nodes, and it is only required that the equipment at the network terminal can handle the virtual concatenation. There is no need to have a function to handle virtual concatenation. Therefore, the virtual concatenation technology has been widely used. [0003] Take SDH VC-3 and VC-12 granular...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/28H04L29/04H04L12/54H04L69/14
Inventor 武丹陈利
Owner HUAWEI TECH CO LTD