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Method for distributing band width of assemblage useable bit rate transaction in grouping network

A packet network and bit rate technology, applied in the field of data communication, can solve the problems of unpredictable service quality and difficult to really guarantee, and achieve the effect of maintaining resource utilization, reducing complexity, and reducing implementation difficulty.

Inactive Publication Date: 2008-06-18
ZTE CORP
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  • Application Information

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Problems solved by technology

However, what Diffserv provides is a relative quality of service. If it is used to provide ABR services, the service qualit

Method used

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  • Method for distributing band width of assemblage useable bit rate transaction in grouping network
  • Method for distributing band width of assemblage useable bit rate transaction in grouping network
  • Method for distributing band width of assemblage useable bit rate transaction in grouping network

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Embodiment Construction

[0026] The specific implementation of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0027] The invention provides a method for allocating bandwidth for aggregated ABR services and providing minimum bandwidth guarantee for each ABR service flow in a packet network. The main ideas of the present invention are: according to the congestion notification in the network, notify the upstream of the network to adjust the ABR service flow rate; divide the bandwidth allocated to the ABR service flow into two parts: the minimum guaranteed bandwidth part that ensures the minimum rate and the extended available beyond the minimum rate Bandwidth, the business packets divided into two parts are sent to different queues for aggregation and processing respectively to ensure the minimum bandwidth of the ABR business flow, and the rate of the business flow can be dynamically adjusted between the peak rate and the minimum rate.

[0028] f...

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Abstract

The invention discloses a method for distributing bandwidths for collected available bit rate service in a grouping network and relates to the field of data communication, which is designed to solve the problems of ensuring the minimum bandwidth of an ABR service flow and dynamically adjusting the speed of the service flow between a peak speed and a lowest speed simultaneously. The invention carries through flow distribution on each available bit rate flow, the data in each available bit rate flow is grouped and divided into a part of ensuring the minimum speed and a part of exceeding the lowest speed according to the actual speed, which are respectively distributed into a bandwidth ensuring data array and an available bandwidth different expending array for treatment. The invention is suitable for distributing bandwidth for the collected available bit rate service in the grouping network.

Description

technical field [0001] The invention relates to the field of data communication, in particular to a method for allocating bandwidth for aggregated ABR (Available Bit Rate) services in a packet network. Background technique [0002] Ensuring the quality of service of services is a key problem to be solved urgently in the packet network. The network needs to carry multiple types of services. Different services have different types of service quality requirements that vary greatly. The role will affect the performance of the business. [0003] The ABR service concept is a service proposed by the ATM (Asynchronous Transfer Mode) Forum. The network needs to guarantee a minimum rate (or bandwidth) for the ABR service flow, and the service flow rate can be dynamically adjusted between the peak rate and the minimum guaranteed rate. The ABR service requires that the source rate can be adaptively adjusted according to the network operating conditions. At present, e-mail, file trans...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L47/525
Inventor 童登金李浩江李杏华
Owner ZTE CORP
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