一种新的支持QoS的Web服务器集群体系结构研究

2007 IFIP International Conference on Network and Parallel Computing Workshops (NPC 2007) Pub Date : 2007-09-18 DOI:10.1109/NPC.2007.90

Wu Yang, Shuangqing Li, Daijie Cheng

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引用次数: 1

摘要

提出了一种支持Web服务质量的高可扩展性、高可靠性的Web服务器集群结构。该体系结构将以往集中在单个调度程序上的功能进行了分散，缓解了调度程序的流量瓶颈，避免了调度程序的单点故障，增强了集群系统的可扩展性和可靠性。通过同步负载传输保证服务器上的局部性访问。服务器之间的负载平衡是通过基于负载向量的机制实现的。通过在实验系统中的测量，吞吐量的增加与服务器数量呈线性关系。从而保证了整个系统的QoS。

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The Research of a New Web Server Cluster Architecture Supporting QoS

A new Web server cluster architecture with high scalability and reliability which supports Web QoS is proposed. The functions previously concentrated on a single dispatcher are distributed in this architecture, the traffic bottleneck of the dispatcher is alleviated, and the single point fault of dispatcher is avoided, so the scalability and reliability of the cluster system can be enhanced. Accessing locality on server is guaranteed by synchronous load transferring. The load balancing among the servers is achieved through a mechanism based on load vector. By measuring in experimental system, the increasing of throughput has linear relationship with the number of servers. So the QoS of the whole system is guaranteed.

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2007 IFIP International Conference on Network and Parallel Computing Workshops (NPC 2007)

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