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Flexible open caching for the Web

Lookup NU author(s): Professor Steve Caughey, David Ingham, Professor Mark Little


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Caching plays a vital role in the performance of any large-scale distributed system and, as the variety and number of Web applications grows, is becoming an increasingly important research topic within the Web community. Existing caching mechanisms are largely transparent to their users and cater for resources which are primarily read-only, offering little support for customisable or complex caching strategies. In this paper we examine the deficiencies in these mechanisms with regard to applications with requirements for shared access to data where clients may require a variety of consistency guarantees. We present "open" caching within an object-oriented framework, an approach to solving these problems which, instead of offering caching transparency makes the caching mechanism highly visible allowing great flexibility in caching choices. Our implementation is built upon the W3Objects infrastructure and allows clients to make caching decisions for individual resources with minimal impact upon other resources which do not support our mechanisms. © 1997 Published by Elsevier Science B.V.

Publication metadata

Author(s): Caughey SJ, Ingham DB, Little MC

Publication type: Article

Publication status: Published

Journal: Computer Networks

Year: 1997

Volume: 29

Issue: 8-13

Pages: 1007-1017

Print publication date: 01/01/1997

ISSN (print): 1389-1286

ISSN (electronic): 1872-7069

Publisher: Elsevier