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Service Level Objective (SLO)

by Andras Micsik last modified Apr 26, 2012 11:41

Definitions

Term:
Service Level Agreement
Domain: Cross-cutting issues
Engineering and Design
(KM-ED)
Adaptation and Monitoring
(KM-AM)
Quality Definition, Negotiation and Assurance
(KM-QA)
Generic
(domain independent)
D
o
m
a
i
n
:
L
a
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s

Business Process Management
(KM-BPM)




Service Composition and Coordination
(KM-SC)




Service Infrastructure
(KM-SI)



A target level of service for a resource or a set of resources. A service level objective might be expressed in units such as average response time for a representative set of transaction types, or in terms of the monthly availability of a given service [PO-JRA-1.2.1].
Generic
(domain independent)



A Service Level Objective (SLO) is a constraint on the values of a quality attribute or metric. It is part of a Class of Service. In other words, a Class of Service comprises a set of SLOs expressing a complete service level that is promised to be offered by the provider's service. [Kritikos et al. 2011] {GEN: Quality of Service Constraint

Competencies

 

References

  • [PO-JRA-1.2.1] Deliverable PO-JRA-1.2.1 "State of the Art Report, Gap Analysis of Knowledge on Principles, Techniques and Methodologies for Monitoring and Adaptation of SBAs".
  • [Kritikos et al. 2011] K. Kritikos, B. Pernici, P. Plebani, C. Cappiello, M. Comuzzi, S. Benbernou, M. Parkin, I. Brandic, A. Kertesz, and M. Carro, “A Survey on Service Quality Description,” ACM Computing Surveys, 2011, under review.



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