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A method for performing speed limiting on data traffic by network processor

A technology of network processor and data flow, applied in the direction of numbering/character counting of messages, data exchange network, data exchange details, etc., can solve the problems of inability to provide effective value-added services, lack of data packet bandwidth control, etc., and achieve small errors , effective speed limit, good image effect

Inactive Publication Date: 2005-01-19
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Overcomes the lack of bandwidth control of data packets in the existing network, and cannot provide effective value-added services in applications with strict bandwidth requirements

Method used

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  • A method for performing speed limiting on data traffic by network processor
  • A method for performing speed limiting on data traffic by network processor
  • A method for performing speed limiting on data traffic by network processor

Examples

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Embodiment Construction

[0022] The method for limiting the speed of data traffic by the network processor of the present invention classifies specific applications by business types, and according to different business types, the network processor adopts different data packet discarding strategies to meet the speed limit requirement.

[0023] There are two types of business: constant bit rate (CBR-Constant Bit Rate) business and undefined bit rate (UBR-Unspecified Bit Rate) business.

[0024] Constant bit rate (CBR) service

[0025] CBR services refer to those services that require constant bandwidth during the entire connection period. The bandwidth required by the business is described by the parameter average rate rate. The network should ensure that the data source can send data at the rate at any time. For example, a video on demand service (VOD) needs a fixed bandwidth for smooth playback.

[0026] Undefined bit rate (UBR) service

[0027] For non-real-time applications that do not have str...

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PUM

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Abstract

The invention relates to a method that network processor realizes limitation of data flow velocity, after the network processor receives data packet, extracting search key word in the data packet, matching user route table in the network processor, then according to service type parameters in the user record, identifying the service type of the data packet, adopting corresponding band-width control policy to make velocity limitation, thus realizing the band-width control to data packets of different service types. It can be applied to value-added service in need of velocity limitation like video order programme, etc, easy to implement and effective to limit velocity.

Description

technical field [0001] The invention relates to broadband data communication in the communication field, in particular to a method for network processors to realize data flow rate limitation. Background technique [0002] With the popularization and commercialization of the Internet, operators who provide IP access services are facing more and more user groups, and the types of value-added services on the Internet are also constantly enriched. When a large number of voice / video and data services are transmitted in the same network, operators can provide different service levels for different users only by classifying the service types and controlling the user's service level (QOS) level more powerfully (QOS) level, with personalized broadband data services. One of the key technologies to realize these differentiated services is to classify the types of services. The wire-speed network processor structure is adopted in the network equipment. For different types of services, ...

Claims

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Application Information

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IPC IPC(8): H04L12/08H04L12/24H04Q3/00H04Q3/545
Inventor 徐晓东周云王军李青
Owner ZTE CORP
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