实现基于被动对象复制的高可用性WWW服务器

Proceedings 2nd IEEE International Symposium on Object-Oriented Real-Time Distributed Computing (ISORC'99) (Cat. No.99-61702) Pub Date : 1999-05-02 DOI:10.1109/ISORC.1999.776387

R. Baldoni, Simona Bonamoneta, C. Marchetti

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引用次数: 8

摘要

我们研究了在工作站集群上构建高可用性万维网(WWW)服务器的相关问题。我们提出了一种新的架构，包括一个动态域名系统(DNS)和一个基于被动对象复制的WWW服务器。这种架构允许我们在不影响超文本传输协议(HTTP)协议(以及WWW客户端软件)的情况下减少WWW服务器的服务停机时间。我们在我们的部门实现了这个架构，并展示了一些实验结果，分析了给定一批HTTP请求，请求的平均响应时间和由于对象崩溃导致的WWW服务不可用的平均时间。

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Implementing highly-available WWW servers based on passive object replication

We investigate issues related to building highly available World Wide Web (WWW) servers on workstation clusters. We present a novel architecture that includes a dynamic Domain Name System (DNS) and a WWW server based on passive object replication. This architecture allows us to reduce the service down-time of a WWW server without impacting on the Hyper Text Transfer Protocol (HTTP) protocol (and thus on the WWW client software). We implement this architecture in our department and we show some experimental results that analyze, given a batch of HTTP requests, the average response time to a request and the average time of WWW service unavailability due to object crashes.

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Proceedings 2nd IEEE International Symposium on Object-Oriented Real-Time Distributed Computing (ISORC'99) (Cat. No.99-61702)

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