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| 基于对等移动客户端的缓存一致性分析 |
| Cache Coherency Analysis Based on Peer Mobile Client |
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| DOI：10.3969/j.issn.1671-5322.2008.04.008 |
| 中文关键词: 缓存一致性 断连状态 时间戳 对等移动客户端 |
| 英文关键词: cache coherency disconnected state time stamp peer mobile client |
| 基金项目: |
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| 中文摘要: |
| 在移动计算环境中,保证缓存有效性的一个重要的因素就是维护缓存一致性.通过分析传统的缓存一致性策略,提出一种基于对等移动客户端的缓存策略,它是在基于窗口的时间戳策略的基础上,引入对等客户端的概念,使得每个移动客户端可以作为临时的虚拟服务器,来发送缓存信息.模拟实验表明,这种方法很好地提高了移动缓存命中率,在一定程度上维护了移动缓存一致性. |
| 英文摘要: |
| In mobile computing environment,one of the important factors to ensure cache validity is maintaining cache coherency.In this paper,we analyzed the traditional cache coherency scheme,and described a cache scheme based on peer mobile client,which applied the new concept on the time stamp scheme based on windows.This made every mobile client to be a temporary virtual server to send out caching information.The simulated experiment showed that the proposed technique was effective in improving the mobile cache hit ratio and maintained cache coherency to a certain extent. |
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