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Performance Evaluation of Redirection Schemes in Content Distribution Networks

Kangasharju, Jussi and Ross, Keith and Roberts, James (2001):
Performance Evaluation of Redirection Schemes in Content Distribution Networks.
24, In: Computer Communications, (2), pp. 207-214. [Article]

Abstract

Content distribution on the Web is moving from an architecture where objects are placed on a single, designated server to an architecture where objects are replicated on geographically distributed servers and clients transparently access a nearby copy of an object. In this paper we study how the different redirection schemes used in modern content distribution networks affect the user-perceived performance in normal Web page viewing. Using both simulations and experiments with real Web servers we show that redirection schemes that require clients to retrieve different parts of a Web page from different servers yield sub-optimal performance compared to schemes where a client accesses only one server for all the parts of a Web page. This implies that when replicating Web pages, we should treat the whole page (HTML and images) as a single entity.

Item Type: Article
Erschienen: 2001
Creators: Kangasharju, Jussi and Ross, Keith and Roberts, James
Title: Performance Evaluation of Redirection Schemes in Content Distribution Networks
Language: German
Abstract:

Content distribution on the Web is moving from an architecture where objects are placed on a single, designated server to an architecture where objects are replicated on geographically distributed servers and clients transparently access a nearby copy of an object. In this paper we study how the different redirection schemes used in modern content distribution networks affect the user-perceived performance in normal Web page viewing. Using both simulations and experiments with real Web servers we show that redirection schemes that require clients to retrieve different parts of a Web page from different servers yield sub-optimal performance compared to schemes where a client accesses only one server for all the parts of a Web page. This implies that when replicating Web pages, we should treat the whole page (HTML and images) as a single entity.

Journal or Publication Title: Computer Communications
Volume: 24
Number: 2
Divisions: 20 Department of Computer Science
20 Department of Computer Science > Telecooperation
Date Deposited: 31 Dec 2016 12:59
Identification Number: KangasharjuJ:RedirectionJ
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