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On priority scheduling algorithm at ATM switches with multi-class output buffers

作     者:Shim, KH Nho, JM Lim, JT 

作者机构:Korea Adv Inst Sci & Technol Fac Elect Engn Taejon 305701 South Korea 

出 版 物:《IEICE TRANSACTIONS ON COMMUNICATIONS》 (电子情报通信学会汇刊,英文版,B:通信)

年 卷 期:1999年第E82B卷第1期

页      面:34-38页

核心收录:

学科分类:0810[工学-信息与通信工程] 0808[工学-电气工程] 0809[工学-电子科学与技术(可授工学、理学学位)] 08[工学] 

主  题:ATM switch scheduling algorithm service rate control priority 

摘      要:In this paper, we present a priority scheduling algorithm at ATM switches with multi-class output buffers in which the service rate of each class buffer is dynamically adjusted. The service rate is computed periodically by a control scheme. We derive the design Formulas of the control scheme tc, ensure that each class buffer occupancy converges to its desired operating point related to QoS requirement. Moreover, through dynamic service rate control in the proposed scheduling algorithm. the available channel capacity can be estimated exactly. it may be used for rate control of ABR traffic and call admission control of the other real-time traffic (CBR, VER, etc.).

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