Suppressing redundancy in wireless sensor network traffic

研究成果: Conference contribution

抄録

Redundancy suppression is a network traffic compression technique that, by caching recurring transmission contents at receiving nodes, avoids repeatedly sending duplicate data. Existing implementations require abundant memory both to analyze recent traffic for redundancy and to maintain the cache. Wireless sensor nodes at the same time cannot provide such resources due to hardware constraints. The diversity of protocols and traffic patterns in sensor networks furthermore makes the frequencies and proportions of redundancy in traffic unpredictable. The common practice of narrowing down search parameters based on characteristics of representative packet traces when dissecting data for redundancy thus becomes inappropriate. Such difficulties made us devise a novel protocol that conducts a probabilistic traffic analysis to identify and cache only the subset of redundant transfers that yields most traffic savings. We verified this approach to perform close enough to a solution built on exhaustive analysis and unconstrained caching to be practicable.

本文言語English
ホスト出版物のタイトルDistributed Computing in Sensor Systems - 6th IEEE International Conference, DCOSS 2010, Proceedings
ページ187-200
ページ数14
DOI
出版ステータスPublished - 2010 8 13
外部発表はい
イベント6th IEEE International Conference on Distributed Computing in Sensor Systems, DCOSS 2010 - Santa Barbara, CA, United States
継続期間: 2010 6 212010 6 23

出版物シリーズ

名前Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
6131 LNCS
ISSN(印刷版)0302-9743
ISSN(電子版)1611-3349

Other

Other6th IEEE International Conference on Distributed Computing in Sensor Systems, DCOSS 2010
CountryUnited States
CitySanta Barbara, CA
Period10/6/2110/6/23

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Computer Science(all)

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