Randomized two-valued bounded delay online buffer management

被引：0

作者：

Durr, Christoph ^{[1
]}

Kamali, Shahin ^{[2
]}

机构：

[1] Sorbonne Univ, CNRS, Lab Informat Paris 6, Paris, France

[2] Univ Manitoba, Dept Comp Sci, Winnipeg, MB, Canada

来源：

OPERATIONS RESEARCH LETTERS | 2021年 / 49卷 / 02期

基金：

英国工程与自然科学研究理事会; 加拿大自然科学与工程研究理事会;

关键词：

Competitive ratio; Oblivious adversary; Buffer management; Maximum throughput scheduling;

D O I：

10.1016/j.orl.2021.01.010

中图分类号：

C93 [管理学]; O22 [运筹学];

学科分类号：

070105 ; 12 ; 1201 ; 1202 ; 120202 ;

摘要：

In the bounded delay buffer management problem unit size packets arrive online to be sent over a network link. The objective is to maximize the total weight of packets sent before their deadline. In this paper we are interested in the two-valued variant of the problem, where every packet has either low (1) or high priority weight (alpha > 1). We show that the optimal randomized competitive ratio against an oblivious adversary is 1 + (alpha - 1)/(alpha(2) + alpha). (C) 2021 Elsevier B.V. All rights reserved.

引用

页码：246 / 249

页数：4

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