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System and method for providing quality of service in asynchronous transfer mode cell transmission

A quality of service and traffic technology, applied in the field of data communication networks, can solve problems such as difficult implementation

Inactive Publication Date: 2006-10-25
肯奈克斯特公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the actual implementation is not easy, because the data streams will have different transmission volume parameters, different priorities, and the transmitted data may come from different sources, which may be formatted cells and buffers that must be segmented. mix

Method used

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  • System and method for providing quality of service in asynchronous transfer mode cell transmission
  • System and method for providing quality of service in asynchronous transfer mode cell transmission
  • System and method for providing quality of service in asynchronous transfer mode cell transmission

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Embodiment Construction

[0030] The following description is intended to provide a thorough understanding of the invention by providing several specific embodiments and details including ATM processes and systems. It should be understood, however, that the invention is not limited to these specific embodiments and details, which are merely examples. It should be further understood that those skilled in the art, using known systems and methods, will be able to understand the application of the invention, its intended purposes and benefits in many alternative embodiments according to particular designs and other needs.

[0031] Referring now to the accompanying drawings, especially figure 1 , shows a schematic block diagram of one embodiment of a dual processor hardware configuration 100 incorporated in the traffic shaping system of the present invention. In particular, the hardware configuration 100 includes a plurality of ATM ports 102 for receiving and transmitting ATM cells to adjacent network node...

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Abstract

A method and apparatus for scheduling the transmission of cells onto an network, or other packet switching network, is disclosed. The central feature of the scheduling mechanism is a quality of service engine (QoS Engine) which accelerates the processing of packets in a packet switching networks, such as an ATM network, by assisting the accurate pacing of many ATM virtual circuits. The QoS Engine allows the concurrent support of a wide variety of port speeds, traffic classes using different priorities and traffic parameters, quality of service engine (QoS Engine) works in conjunction with a network processor (NP) to allow it to maintain software flexibility, and for it to achieve accurate pacing.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to co-pending U.S. Provisional Patent Application No. 60 / 436,997, filed December 31, 2002, and entitled "System and Method for Providing Quality of Service in Asynchronous Transfer Mode Cell Transmission" , the entire contents of which application is hereby incorporated by reference. Background technique [0003] The present invention relates generally to data communication networks, and more particularly to transmission control mechanisms, including ATM communication processors and switches, and cell reception and header interpretation in Asynchronous Transfer Mode systems / networks. [0004] With the rise of the digital age, there has been a growing demand for a single general-purpose network technology capable of efficiently transmitting multiple types of information between different network environments at high speed. In response to this need, the Consultative Committee for Internati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/28H04Q11/04
CPCH04L47/2408H04L47/2416H04L47/2433H04L2012/5679H04Q11/0478H04L47/10
Inventor 戴维·米尔维威廉·思托伊
Owner 肯奈克斯特公司
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