Method of adjusting time delay in reversal multiplexing protocol of asynchronous transmission mode

An asynchronous transmission mode and inverse multiplexing technology, which is applied in the field of asynchronous transmission mode inverse multiplexing protocols, can solve the problems of not guaranteeing the maximum bandwidth and the highest transmission efficiency, unable to achieve the maximum bandwidth and the highest efficiency, etc., to improve efficiency, The effect of improving transmission efficiency

Inactive Publication Date: 2009-05-13
HUAWEI TECH CO LTD
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Problems solved by technology

However, this scheme does not guarantee the maximum bandwidth and the highest transmission efficiency in essence, but only makes the IMA group continue to be available.
[0009] The main reason for this situation is that the above solution does not have a complete LODS adjustment method to adjust the link status in the IMA group, so once a link has a LODS defect, the link can only be set as unavailable, so that it cannot achieve Maximum Bandwidth and Highest Efficiency

Method used

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  • Method of adjusting time delay in reversal multiplexing protocol of asynchronous transmission mode
  • Method of adjusting time delay in reversal multiplexing protocol of asynchronous transmission mode
  • Method of adjusting time delay in reversal multiplexing protocol of asynchronous transmission mode

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[0036] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0037] Generally speaking, the present invention involves two aspects: first, the adjustment method when the links in the group have LODS defects; second, the delay optimization adjustment method for the links without LODS defects in the group. The following will describe the adjustment methods in the two cases respectively.

[0038]When a LODS defect occurs on a link in an IMA group, the distance between the group's read pointer and the link's write pointer needs to be adjusted by moving the position of the group's read pointer to eliminate the link's LODS defect as much as possible. In the technical solution of the present invention, the link whose DCB depth exceeds the maximum operation delay is called a fast link, and the link whose DCB depth is less than the ...

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Abstract

Based on maximal bandwidth of IMA, the method ensures to select optimal quick chain so as to guarantee transmission efficiency. When memory of IMA group is in LODS, the method includes following steps: (1) according to DCB depth, sorting normal chain in group and LODS chain from large to small forms ordered set; (2) setting up width of delayed sliding window being as maximal operation delay; (3) according to order from large to small, using delayed sliding window traverses ordered set, then selecting one subset with maximal number of chains, eliminating the chains not contained in the subset out of the group; (4) eliminating faulty conditions of all LODS chain from group.

Description

technical field [0001] The invention relates to an asynchronous transfer mode inverse multiplexing protocol, in particular to an optimization method in the asynchronous transfer mode inverse multiplexing protocol. Background technique [0002] With the continuous development of society and the diversification of network services, people have higher and higher requirements for the network. Manufacturers began to consider and study how to integrate these network services with different requirements for bandwidth, real-time performance and transmission quality into a unified Multimedia network to achieve real one-line communication. Thus, an Asynchronous Transfer Mode (Asynchronous Transfer Mode, referred to as "ATM") network emerges as the times require. ATM is an advanced and practical communication technology. It uses fixed-size packets to dynamically allocate bandwidth, and data compression, encoding and transmission are performed asynchronously. ATM is also called "fast ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
Inventor 潘珺
Owner HUAWEI TECH CO LTD
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