A model for availability of quality of service in distributed multimedia systems

Malamos, AG; Malamas, EN; Varvarigou, TA; Ahuja, SR

dc.contributor.author	Malamos, AG	en
dc.contributor.author	Malamas, EN	en
dc.contributor.author	Varvarigou, TA	en
dc.contributor.author	Ahuja, SR	en
dc.date.accessioned	2014-03-01T01:17:21Z
dc.date.available	2014-03-01T01:17:21Z
dc.date.issued	2002	en
dc.identifier.issn	1380-7501	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/14485
dc.subject	Asset allocation	en
dc.subject	Availability	en
dc.subject	Multimedia distributed systems	en
dc.subject	Quality of service	en
dc.subject.classification	Computer Science, Information Systems	en
dc.subject.classification	Computer Science, Software Engineering	en
dc.subject.classification	Computer Science, Theory & Methods	en
dc.subject.classification	Engineering, Electrical & Electronic	en
dc.subject.other	Computer simulation	en
dc.subject.other	Distributed computer systems	en
dc.subject.other	Optimization	en
dc.subject.other	Problem solving	en
dc.subject.other	Quality of service	en
dc.subject.other	Statistical methods	en
dc.subject.other	Distributed multimedia systems	en
dc.subject.other	Multimedia systems	en
dc.title	A model for availability of quality of service in distributed multimedia systems	en
heal.type	journalArticle	en
heal.identifier.primary	10.1023/A:1013956019587	en
heal.identifier.secondary	http://dx.doi.org/10.1023/A:1013956019587	en
heal.language	English	en
heal.publicationDate	2002	en
heal.abstract	In this paper we introduce a new model for the definition and the implementation of quality of service (QoS) in distributed multimedia systems. The model provides both the users and the provider/manager of the system with a framework for the high level description of the system's configuration and operation, as well as with an application/user specific definition of QoS. The model maps this high level QoS description to quality requirements for the individual resources that compose the overall service. The implementation of the QoS of the overall service is done by providing probability of availability guarantees for certain levels of QoS. Given some constraints on the total assets available for the implementation of a specific service, the model optimally allocates these assets to the system resources in order to implement a specific user/application QoS profile. The model is reduced to a General Asset Allocation Problem (GA(2)P) and we solve the GA(2)P in a provably optimal way for a wide range of realistic services.	en
heal.publisher	KLUWER ACADEMIC PUBL	en
heal.journalName	Multimedia Tools and Applications	en
dc.identifier.doi	10.1023/A:1013956019587	en
dc.identifier.isi	ISI:000173584900002	en
dc.identifier.volume	16	en
dc.identifier.issue	3	en
dc.identifier.spage	207	en
dc.identifier.epage	230	en