期刊名称:International Journal of Engineering and Computer Science
印刷版ISSN:2319-7242
出版年度:2014
卷号:3
期号:2
页码:3897-3904
出版社:IJECS
摘要:In MANET environments, data caching are essential because it increases the ability of mobile toaccess desired data, and improve overall system performance. This paper proposes distributed cacheinvalidation mechanism (DCIM), a client based cache consistency scheme that’s implemented on prime ofan antecedently planned design for caching information things in mobile impromptu networks(MANET),namely COACS, where special nodes cache the queries and therefore the addresses of the nodesthat store the responses to those queries. DCIM may be a pull-based algorithmic program that implementsadaptive time to measure (TTL),piggybacking, per-fetching and provides near study consistency capabilities.Cached knowledge things as appointed adjective TTL values that correspond to their update rates at the datasupply, where ever things with terminated TTL values as stored in validation requests to the informationadjective to refresh them, where a sun expired ones however with high request rates as perfected from theserver. DCIM is analyzed to assess the delay and bandwidth gains in comparison to polling whenever andpush based schemes
关键词:Cache invalidation; client polling; consistency data; pull based scheme; TTL