Band width statistical multiplex method based on acknowledged cut in speed

A technology of access rate and statistical multiplexing, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as waste of bandwidth resources, unsuitable processing speed, message arrival time, and long packet length, etc., to achieve Statistical multiplexing, simplified algorithms, and the effect of reducing message information

Inactive Publication Date: 2007-05-30
HUAWEI TECH CO LTD
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  • Claims
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Problems solved by technology

And because the calculation is the average bandwidth in the past, it cannot reflect the dynamic change of bandwidth in time, and there are many information about packet arrival time and packet length that need to be saved, so it is not suitable for occasions that require high processing speed
In addition, there is no sharing mechanism between ports. If the bandwidth allocated by one port is not used up, other ports cannot share the unused bandwidth, resulting in waste of bandwidth resources.

Method used

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  • Band width statistical multiplex method based on acknowledged cut in speed
  • Band width statistical multiplex method based on acknowledged cut in speed
  • Band width statistical multiplex method based on acknowledged cut in speed

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Embodiment Construction

[0048] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0049]The invention is a bandwidth statistical multiplexing method based on the CAR algorithm, which can realize the bandwidth statistical multiplexing between different users while realizing the basic functions of the CAR. Its idea can be summarized as follows: realize the statistical multiplexing of bandwidth between different users or services under the premise of guaranteeing the basic bandwidth of users, that is, the promised access rate, by means of CAR. Specifically, the CAR processing is performed on the egress port and the ingress port of the switching network respectively. When performing CAR processing on the ingress port, the basic bandwidth packet and the extra bandwidth packet are first distinguished, and before the packet is sent to the switching network, add Different identifiers are used to show the difference. When p...

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Abstract

A multiplex method based on committed access rate (CAR) for bandwidth statistic features that said CAR is used for entrance and exit of switched network for treating the message traffic. For the CAR at entrance, the message with basic bandwidth is distinguished from the message with additional bandwidth and different IDs are attached to the front end of message before they are transmitted to switch network. For the CAR at exit, the messages with basic bandwidth can be passed unconditionally and the messages with additional bandwidth can be passed conditionally according to the residual tokens.

Description

technical field [0001] The invention relates to a network bandwidth management technology, in particular to a bandwidth statistical multiplexing method based on committed access rate (CAR, Committed Access Ratio). Background technique [0002] Bandwidth is an important network resource, so it is necessary to statistically multiplex the bandwidth to reasonably allocate the bandwidth of each port in the network and make full use of network resources. [0003] CAR is a bandwidth management mechanism. By configuring CAR, the network administrator can allocate different bandwidths for different services and users, define the processing strategy when the bandwidth occupied by the services exceeds the allocated quota, and limit the traffic passing through a certain port of the router. It can well guarantee the quality of service (QoS) of the entire network, and CAR can be used for both the ingress and the egress of the switching network. [0004] In the prior art, CAR is mostly pe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/56H04Q3/00H04L12/811
Inventor 刘明伟李大为
Owner HUAWEI TECH CO LTD
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