Service Abstractions With Fault Virtualization for Distributed Network Infrastructures
Pages 47 - 54
Abstract
The paper deals with service abstractions that allowmanaging the dependability features of networked application systems.Component-level faults in the infrastructure are mapped ontodegradations in the service quality space. Fault recovery mechanismsin a service-layer algorithm, if any, purport to maintain either thesame level of service as in the no-fault case or a reduced level ofservice proportionate to the fault severity. Treating the occurrenceof component faults as a normal case rather than as an exception, avirtualization mechanism provides a systematic mapping of faultsonto canonical service quality spaces in a measurable way (e.g.,service availability and agility). Our paper describes the genericmechanisms and programming interfaces in the virtualization layerto manage the infrastructure in a flexible way that allows attaining anoptimal service quality. Such service layer abstractions are useful forapplications to infuse adaptive fault-tolerance and quality assurance.
References
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Index Terms
- Service Abstractions With Fault Virtualization for Distributed Network Infrastructures
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Published In
October 2013
226 pages
ISBN:9780769551388
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IEEE Computer Society
United States
Publication History
Published: 30 October 2013
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