Trackless online algorithms for the server problem

被引:8
作者
Bein, WW [1 ]
Larmore, LL [1 ]
机构
[1] Univ Nevada, Dept Comp Sci, Las Vegas, NV 89154 USA
基金
美国国家科学基金会;
关键词
design of algorithms; online algorithms; randomized algorithms; competitive analysis; k-server problem; paging;
D O I
10.1016/S0020-0190(00)00034-X
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A class of "simple" online algorithms for the k-server problem is identified. This class, for which the term trackless is introduced, includes many known server algorithms. The k-server conjecture fails for trackless algorithms. A lower bound of 23/11 on the competitiveness of any deterministic trackless 2-server algorithm and a lower bound of 1 + root 2/2 on the competitiveness of any randomized trackless 2-server problem are given. (C) 2000 Published by Elsevier Science B.V. An rights reserved.
引用
收藏
页码:73 / 79
页数:7
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