DocumentCode
2722991
Title
A Polylogarithmic-Competitive Algorithm for the k-Server Problem
Author
Bansal, N. ; Buchbinder, N. ; Madry, A. ; Naor, J.
Author_Institution
IBM T. J. Watson, NY, USA
fYear
2011
fDate
22-25 Oct. 2011
Firstpage
267
Lastpage
276
Abstract
We give the first polylogarithmic-competitive randomized algorithm for the k-server problem on an arbitrary finite metric space. In particular, our algorithm achieves a competitive ratio of Õ(log3 n log2 k) for any metric space on n points. This improves upon the (2k-1)-competitive algorithm of Koutsoupias and Papadimitriou (J. ACM 1995) whenever n is sub-exponential in k.
Keywords
queueing theory; randomised algorithms; (2k-1) competitive algorithm; arbitrary finite metric space; k-server problem; polylogarithmic competitive randomized algorithm; Algorithm design and analysis; Extraterrestrial measurements; Probability distribution; Resource management; Servers; Vectors; competitive analysis; k-server problem; randomized algorithms;
fLanguage
English
Publisher
ieee
Conference_Titel
Foundations of Computer Science (FOCS), 2011 IEEE 52nd Annual Symposium on
Conference_Location
Palm Springs, CA
ISSN
0272-5428
Print_ISBN
978-1-4577-1843-4
Type
conf
DOI
10.1109/FOCS.2011.63
Filename
6108181
Link To Document