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Conference Paper: A paracasting model for concurrent access to replicated content

TitleA paracasting model for concurrent access to replicated content
Authors
Issue Date2003
PublisherIEEE Computer Society.
Citation
The 18th IEEE Annual Workshop on Computer Communications Proceedings, Dana Point, California, USA, 20-21 October 2003, p. 105-111 How to Cite?
AbstractWe propose a framework to study how to download effectively a copy of the same document from a set of replicated servers. A generalized application-layer anycasting, known as paracasting, has been proposed to advocate concurrent access of a subset of replicated servers to satisfy cooperatively a client's request. Each participating server satisfies the request in part by transmitting a subset of the requested file to the client. The client can recover the complete file when different parts of the file sent from the participating servers are received. This framework allows us to estimate the average time to download a file from the set of homogeneous replicated servers, and the request blocking probability when each server can accept and serve a finite number of concurrent. requests. Our results show that the file download time drops when a request is served concurrently by a larger number of homogeneous replicated servers, although the performance improvement quickly saturates when the number of servers used increases. If the total number of requests that a server can handle simultaneously is finite, the request blocking probability increases with the number of replicated servers used to serve a request concurrently. Therefore, paracasting is effective in using a small number of servers, say, up to four, to serve a request concurrently.
Persistent Identifierhttp://hdl.handle.net/10722/46487

 

DC FieldValueLanguage
dc.contributor.authorLeung, KCen_HK
dc.contributor.authorLi, VOKen_HK
dc.date.accessioned2007-10-30T06:51:00Z-
dc.date.available2007-10-30T06:51:00Z-
dc.date.issued2003en_HK
dc.identifier.citationThe 18th IEEE Annual Workshop on Computer Communications Proceedings, Dana Point, California, USA, 20-21 October 2003, p. 105-111en_HK
dc.identifier.urihttp://hdl.handle.net/10722/46487-
dc.description.abstractWe propose a framework to study how to download effectively a copy of the same document from a set of replicated servers. A generalized application-layer anycasting, known as paracasting, has been proposed to advocate concurrent access of a subset of replicated servers to satisfy cooperatively a client's request. Each participating server satisfies the request in part by transmitting a subset of the requested file to the client. The client can recover the complete file when different parts of the file sent from the participating servers are received. This framework allows us to estimate the average time to download a file from the set of homogeneous replicated servers, and the request blocking probability when each server can accept and serve a finite number of concurrent. requests. Our results show that the file download time drops when a request is served concurrently by a larger number of homogeneous replicated servers, although the performance improvement quickly saturates when the number of servers used increases. If the total number of requests that a server can handle simultaneously is finite, the request blocking probability increases with the number of replicated servers used to serve a request concurrently. Therefore, paracasting is effective in using a small number of servers, say, up to four, to serve a request concurrently.en_HK
dc.languageengen_HK
dc.publisherIEEE Computer Society.en_HK
dc.relation.ispartofIEEE Annual Workshop on Computer Communications Proceedings-
dc.rights©2003 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleA paracasting model for concurrent access to replicated contenten_HK
dc.typeConference_Paperen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/CCW.2003.1240797en_HK
dc.identifier.hkuros92265-
dc.identifier.spage105-
dc.identifier.epage111-

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