Packet fair scheduler based on GPS

被引:0
|
作者
Wu, Hai-Tao [1 ]
Wang, Chong-Gang [1 ]
Long, Ke-Ping [1 ]
Cheng, Shi-Duan [1 ]
机构
[1] Beijing Univ. of Posts and Telecom., Beijing 100876, China
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关键词
Algorithms - Packet switching - Queueing theory - Scheduling;
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学科分类号
摘要
GPS (Generalized Processor Sharing) is one of fluid models for scheduling, and some algorithms, such as WFQ (Weighted Fair Queueing) and WF2Q (Worst-case Fair WFQ), etc., are based on the simulation of GPS. This paper proves that WFQ, WF2Q, are not the packet-by-packet GPS. Therefore, these algorithms cannot guarantee the delay and services characteristics of P-GPS. A new Packet Fair Scheduler based on the exact simulation GPS is proposed.
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页码:460 / 463
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