Abstract
The exponential growths of the World Wide Web (WWW) users have made the deployment of proxy servers popular on a network with limited resources. WWW clients perceive better response time, improved performance and speed when response to requested pages are served from the cache of a proxy server, resulting in faster response times after the first document fetch. This work proposes cyclic multicast as a scalable technique for improving proxy server perfo rmance for next generation networks. The proposed system uses a cyclic multicast engine for the deliv ery of popular web pages from the proxy server cach e to increasingly large users under limited server capac ity and network resources. The cyclic multicast tec hnique would be more efficient for the delivery of highly requested web pages from the cache to large number of receivers. We describe the operation of the cyclic multicast proxy server and characterized the gains in performance.
Highlights
A proxy server is a server that sits between a client application, such as a web browser, and a real server
Our objective is to provide a comparison in performance based on throughput, response time, end-to- end delay and jitters experienced by clients using a cyclic multicast proxy server and how it compares with clients using a caching or unicast proxy server
We propose a proxy server based on the cyclic multicast for generation networks, as a scalable delivery option for the delivery of web pages to increasingly large number of users under limited server capacity and network resources
Summary
A proxy server is a server that sits between a client application, such as a web browser, and a real server. We explore the cyclic multicast for the transmission of popular (hot and warm) requested web pages and reliable unicast for other (cold) pages With this option, web pages are delivered to multiple requesting clients using a single server response based on the network support for point to multipoint communication. The cyclic multicast option is expected to be more efficient for the delivery of highly requested web pages (hot and warm pages) to large number of users. With this option, the web page is broken into chunks, cyclically transmitted and clients can listen at any point in time in the transmission, and continue to listen until all of the data is received.
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