用于移动计算的低成本恢复协议

Proceedings of the Fourth International Conference on Parallel and Distributed Computing, Applications and Technologies Pub Date : 2003-10-20 DOI:10.1109/PDCAT.2003.1236382

Tingyao Jiang, Qing Hua Li

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引用次数: 0

摘要

移动计算对检查点和恢复协议提出了新的挑战和要求。针对移动环境的现有恢复方案通常要么创建不保证独立恢复的全局一致检查点，要么只能支持移动- mss -mobile (m-MSS-m)通信，即移动主机之间交换的消息由mss转发。提出了一种基于消息记录的移动主机直连(m-m)通信无线网络恢复协议。与m-MSS-m相比，m-m通信在无线网络上的争用更少，消息传输的延迟更低。仿真结果表明，该方法在无故障开销和恢复开销方面均优于传统方法。

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A low-cost recovery protocol for mobile computation

Mobile computing brings new challenges and requirements for checkpointing and recovery protocol. Existing recovery schemes for mobile environments typically either create global consistent checkpoints that don't guarantee independent recovery or can only support mobile-MSS-mobile (m-MSS-m) communication that exchanged messages among mobile hosts are forwarded by MSSs. We present a recovery protocol based on message logging for mobile host direct to mobile host(m-m) communication wireless network. The m-m communication benefits a less contention on the wireless network and a lower latency for message transmission than m-MSS-m. Finally simulation results indicate that the performance of our approach is higher than that of traditional approaches in terms of fail-free overhead and recovery overhead.

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Proceedings of the Fourth International Conference on Parallel and Distributed Computing, Applications and Technologies

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