ILI: an adaptive infrastructure for dynamic interactive distributed applications

Martin, V.; Schwan, Karsten

doi:10.1109/cds.1998.675777

Cited by 6 publications

(1 citation statement)

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“…Some approaches focused on adaptation for client-server systems [21,2,17], while more other efforts address adaptation for grids [14] or for generic distributed systems where individual components reside on peers [15,4,16,5,22,25,13]. However, these proposals have one or more of the following problems: a) they do not take into account specific nature of SOS; b) they have not been evaluated in the context of web service technologies; or c) the adaptation mechanism is not transparent.…”

Section: Background and Related Workmentioning

confidence: 97%

Software adaptation for service-oriented systems

Rossi

Tari

2006

Proceedings of the 1st Workshop on Middleware for Service Oriented Computing (MW4SOC 2006)

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Mobile services operate on hosts with diverse capabilities, in heterogeneous networks, where the usage of resources, such as processor, memory and network, is constantly changing. In order to maintain efficiency, in terms of performance and resource utilization, such services should be able to adapt to changes in their environment.This paper proposes and empirically evaluates an application transparent adaptation strategy for service-oriented systems. The strategy is based upon the solution of an optimization model derived from an existing suite of metrics for services, which maps system services to network nodes.The strategy is evaluated empirically using a number of distinct scenarios involving runtime changes in processor, memory and network utilization. In order to maintain execution efficiency in response to these changing operating conditions, the strategy rearranges the service topology of the system dynamically by moving services between network nodes. The results show that the negative impact of environmental changes on runtime efficiency can be reduced, after adaptation, from 33% to 100% depending on the selected parameters.

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