Interactive video streaming with proxy servers

Martin Reisslein, Felix Hartanto, Keith W. Ross

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

We study caching strategies for proxies that cache VBR-encoded continuous media objects for highly interactive streaming applications. First, we develop a model for streaming VBR-encoded continuous media objects. This model forms the basis for a stream admission control criterion and our study of caching strategies. We find that unlike conventional web caches, proxy caches for continuous media objects need to replicate or stripe objects to achieve high hit rates. We develop novel caching strategies that either implicitly or explicitly track the request pattern and cache (and replicate) objects accordingly. Our numerical results indicate that our caching strategies achieve significantly higher hit rates than caching without object replication.

Original languageEnglish (US)
Pages (from-to)3-31
Number of pages29
JournalInformation Sciences
Volume140
Issue number1-2
DOIs
StatePublished - Jan 1 2002

Keywords

  • Caching
  • Continuous media object
  • Object replication
  • Replacement policy
  • Statistical QoS
  • Streaming
  • VBR video

ASJC Scopus subject areas

  • Software
  • Control and Systems Engineering
  • Theoretical Computer Science
  • Computer Science Applications
  • Information Systems and Management
  • Artificial Intelligence

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