Dynamic load adjustment on distributed video server system

Shiao-Li Tsao*, Meng Chang Chen, Jan Ming Ho, Ming Tat Ko

*Corresponding author for this work

Research output: Contribution to journalConference article

1 Scopus citations

Abstract

In this paper, a novel initial videos allocation scheme and a load shifting algorithm are proposed to reduce the request fail rate for a distributed video server. The initial allocation scheme determines the maximum number of requests that can be served and the proposed load shifting algorithm migrates progressing requests among servers to accommodate more users and reduce the request fail rate under a skewed request pattern. According to the simulation results, the proposed algorithms can reduce 50% request fail rate from that uses SCAN allocation algorithm, and 25% request fail rate from that uses the least load first (LLF) initial allocation scheme with load shifting procedure. In terms of shifting steps, the proposed algorithms achieves 30% to 50% less than the DASD dancing algorithm.

Original languageEnglish
Pages (from-to)103-112
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3229
DOIs
StatePublished - 1 Dec 1997
EventMultimedia Storage and Archiving Systems II - Dallas, TX, United States
Duration: 3 Nov 19973 Nov 1997

Keywords

  • Distributed video server
  • Dynamic load adjustment
  • Load balance
  • Video file layout

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