Load Fluctuation-Based Dynamic File Allocation with Cost-Effective Mirror Function

Jun TAKAHASHI  Akiko NAKANIWA  Yasutomo ABE  Hiroyuki EBARA  Hiromi OKADA  

Publication
IEICE TRANSACTIONS on Communications   Vol.E86-B   No.4   pp.1317-1326
Publication Date: 2003/04/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Network
Keyword: 
load balancing,  simple mirroring function,  dynamic file allocation,  Internet,  distributed networks,  

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Summary: 
Mirroring of network servers has been considered to be effective for load balancing. However, the cost of setting up new mirror servers is enormously high. In this paper, we propose a dynamic file allocation model with a simple mirroring function for handling significant changes of network traffic in the Internet. According to the load fluctuation, we can dynamically reallocate files using this model. We show that our model accomplishes satisfactory performance and reduces cost by adding a simple mirroring function to all existent servers instead of setting up mirror servers afresh.