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Scheduler and related methods for performing multiple scheduled operations

A technology for scheduling operations and schedulers, which is used in digital transmission systems, electrical components, transmission systems, etc.

Active Publication Date: 2017-12-22
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, for high-speed network applications, how to design network switches that meet strict scheduling time constraints is a challenge for designers in the field

Method used

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  • Scheduler and related methods for performing multiple scheduled operations
  • Scheduler and related methods for performing multiple scheduled operations
  • Scheduler and related methods for performing multiple scheduled operations

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Embodiment Construction

[0014] Certain terms are used throughout the description and claims to refer to particular components. It should be understood by those skilled in the art that manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a basis for distinction. The "comprising" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". In addition, the term "coupled" herein includes any direct and indirect means of electrical connection. Therefore, if it is described that the first device is coupled to the second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means.

[0015] The idea of ​​the present invention is to fre...

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Abstract

A scheduler for performing a plurality of dispatch operations, wherein each dispatch operation dispatches from a selected one of a plurality of output queues associated with an output port. The scheduler contains candidate decision logic as well as final decision logic. Candidate decision logic determines a plurality of candidate output queues for a current scheduling operation regardless of a final state of packet transmission for at least one scheduled output queue as determined by at least one previous scheduling operation. The final decision logic selects one of the plurality of candidate output queues as the scheduled output queue determined by the current scheduling operation after obtaining a final state of packet transmission of the at least one scheduled output queue determined by the at least one previous scheduling operation.

Description

[0001] 【CROSS-REFERENCE TO RELATED APPLICATIONS】 [0002] This application claims priority to U.S. Provisional Application No. 61 / 816,261, filed April 26, 2013, and U.S. Provisional Application No. 14 / 252,722, filed April 14, 2014, The content of the above provisional application is incorporated into this application. 【Background technique】 [0003] Embodiments of the present invention relate to forwarding packets, and more particularly to schedulers and related methods for deciding on a final output queue by selecting one of a plurality of candidate output queues. [0004] A network switch is a computer network device that links different electronic devices. For example, a network switch receives input packets generated by a source electronic device connected to it, and transmits output packets derived from received packets originally received by One or more destination electronic devices receive. Generally, a network switch has a packet buffer for buffering packet data re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/861
CPCH04L47/6235H04L47/622
Inventor 俞壹馨陈昱勋马昌博林瑞哲刘大行
Owner MEDIATEK INC