Optimal placement of Web proxies for replicated Web servers in the Internet

Citation
Xh. Jia et al., Optimal placement of Web proxies for replicated Web servers in the Internet, COMPUTER J, 44(5), 2001, pp. 329-339
Citations number
21
Categorie Soggetti
Computer Science & Engineering
Journal title
COMPUTER JOURNAL
ISSN journal
00104620 → ACNP
Volume
44
Issue
5
Year of publication
2001
Pages
329 - 339
Database
ISI
SICI code
0010-4620(2001)44:5<329:OPOWPF>2.0.ZU;2-3
Abstract
This paper investigates the issues of the optimal placement of a limited nu mber of Web proxies in an environment where a Web site is replicated (i.e. mirrored Web sites). Two different objectives are studied: minimizing the o verall access cost by all clients to the Web site and minimizing the longes t delay for any client to access the Web site. The problem is reduced to th e placement of proxies in a set of trees whose root nodes are the server re plicas. It is then formulated and solved by using a dynamic programming met hod. The significance of this work includes: (1) alleviating the Internet t raffic of Web accesses; (2) improving the response time of Web page accesse s; (3) maximizing Web server performance by using a limited number of proxi es.