Aiming at the characteristics of the LAN of fast Ethernet and distributed parallel server system, a novel distributed operating system transport protocol (DOSTP) is proposed in this paper.

基于快速以太局网中分布式并行服务器通信特点和对网络协议栈的分析，设计并实现了一种分布式操作系统传输协议。

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To the question that a single failure point exists in the centralized metadata management for parallel file systems, this paper presents a dual-metadata server system for high availability.

本文针对并行文件系统集中式元数据管理存在单一失效点的问题，设计了一种双元服务器高可用系统。

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The implementation of client caching could reduces the traffic of the cluster server system and effectively improves the performance of the parallel file system.

在并行文件系统中实现客户端缓存，既能够减轻集群服务器系统的通信负载，又能有效地提高文件系统的性能。

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