AVAILABILITY EVALUATION OF NETWORKS: AN APPROACH FOR N-TIER CLIENT SERVER ARCHITECTURE

Published work on computer network reliability frequently uses availability as a performance measure. However, although several ways of defining availability have been proposed, none capture the overall level of service obtained by client hosts in a modern n-tier client/server architecture. We propo...

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Detalles Bibliográficos
Autores principales:	Coelho,Flávia S., Sauvé,Jacques P., Abbas,Cláudia B.
Lenguaje:	English
Publicado:	Universidad de Tarapacá. Facultad de Ingeniería 2003
Materias:	Evaluation of availability network availability dependability n-tier client/server architecture
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-13372003000100004
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spelling	oai:scielo:S0718-133720030001000042005-06-16AVAILABILITY EVALUATION OF NETWORKS: AN APPROACH FOR N-TIER CLIENT SERVER ARCHITECTURECoelho,Flávia S.Sauvé,Jacques P.Abbas,Cláudia B. Evaluation of availability network availability dependability n-tier client/server architecture Published work on computer network reliability frequently uses availability as a performance measure. However, although several ways of defining availability have been proposed, none capture the overall level of service obtained by client hosts in a modern n-tier client/server architecture. We propose such a measure by calculating the fraction of client hosts receiving complete services from the network. We also extend a published, efficient heuristic method for calculating availability to take into account our new proposed measure. The end result is a procedure of polynomial complexity O(nt4), where nt is the total number of components (hosts, links and interconnection equipment) in the network. Numerical results of applying the method to several networks are given.info:eu-repo/semantics/openAccessUniversidad de Tarapacá. Facultad de IngenieríaRevista Facultad de Ingeniería - Universidad de Tarapacá v.11 n.1 20032003-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-13372003000100004en10.4067/S0718-13372003000100004
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Evaluation of availability network availability dependability n-tier client/server architecture
spellingShingle	Evaluation of availability network availability dependability n-tier client/server architecture Coelho,Flávia S. Sauvé,Jacques P. Abbas,Cláudia B. AVAILABILITY EVALUATION OF NETWORKS: AN APPROACH FOR N-TIER CLIENT SERVER ARCHITECTURE
description	Published work on computer network reliability frequently uses availability as a performance measure. However, although several ways of defining availability have been proposed, none capture the overall level of service obtained by client hosts in a modern n-tier client/server architecture. We propose such a measure by calculating the fraction of client hosts receiving complete services from the network. We also extend a published, efficient heuristic method for calculating availability to take into account our new proposed measure. The end result is a procedure of polynomial complexity O(nt4), where nt is the total number of components (hosts, links and interconnection equipment) in the network. Numerical results of applying the method to several networks are given.
author	Coelho,Flávia S. Sauvé,Jacques P. Abbas,Cláudia B.
author_facet	Coelho,Flávia S. Sauvé,Jacques P. Abbas,Cláudia B.
author_sort	Coelho,Flávia S.
title	AVAILABILITY EVALUATION OF NETWORKS: AN APPROACH FOR N-TIER CLIENT SERVER ARCHITECTURE
title_short	AVAILABILITY EVALUATION OF NETWORKS: AN APPROACH FOR N-TIER CLIENT SERVER ARCHITECTURE
title_full	AVAILABILITY EVALUATION OF NETWORKS: AN APPROACH FOR N-TIER CLIENT SERVER ARCHITECTURE
title_fullStr	AVAILABILITY EVALUATION OF NETWORKS: AN APPROACH FOR N-TIER CLIENT SERVER ARCHITECTURE
title_full_unstemmed	AVAILABILITY EVALUATION OF NETWORKS: AN APPROACH FOR N-TIER CLIENT SERVER ARCHITECTURE
title_sort	availability evaluation of networks: an approach for n-tier client server architecture
publisher	Universidad de Tarapacá. Facultad de Ingeniería
publishDate	2003
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-13372003000100004
work_keys_str_mv	AT coelhoflavias availabilityevaluationofnetworksanapproachforntierclientserverarchitecture AT sauvejacquesp availabilityevaluationofnetworksanapproachforntierclientserverarchitecture AT abbasclaudiab availabilityevaluationofnetworksanapproachforntierclientserverarchitecture
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AVAILABILITY EVALUATION OF NETWORKS: AN APPROACH FOR N-TIER CLIENT SERVER ARCHITECTURE

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