Self-adaptive service level agreement monitoring in cloud environments1 | Zendy

Kassidy P. Clark | Zendy; Martijn Warnier | Zendy; Frances Brazier | Zendy

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Self-adaptive service level agreement monitoring in cloud environments1

Author(s) -

Kassidy P. Clark,

Martijn Warnier,

Frances Brazier

Publication year - 2013

Publication title -

multiagent and grid systems

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.181

H-Index - 19

eISSN - 1875-9076

pISSN - 1574-1702

DOI - 10.3233/mgs-130203

Subject(s) - service level agreement , computer science , cloud computing , commit , service provider , service (business) , middleware (distributed applications) , negotiation , service level , adaptation (eye) , process (computing) , computer security , service level objective , software as a service , protocol (science) , computer network , software , process management , distributed computing , database , operating system , service design , software development , alternative medicine , law , business , pathology , optics , political science , medicine , physics , economy , mathematics , statistics , economics

Cloud Service Providers offer access to hardware and software resources across the Internet. Cloud Service Providers and their clients negotiate Service Level Agreements SLA that specify terms and conditions of services. To ensure that an SLA is being honored by all parties the service is monitored. This paper proposes a monitoring approach that automatically adapts the monitoring process in realtime, based on user-specified policies. The monitor can both adapt the frequency of measurements and monitoring mode: active and passive. Active mode uses an external, trusted monitoring service. Passive mode minimizes interaction with an external monitoring service, relying instead on a mutual commit protocol to ensure SLA compliance. Monitor adaptation is determined by levels of perceived risk, defined by a user's policy. The self-adaptive SLA monitoring framework is realized using agent technology and is implemented and tested in the AgentScape middleware.

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