ISM Architectural Framework


1. Users/Brokers: They submit their service requests from anywhere in the world to the cloud

2. SLA resource allocator: It is a kind of interface between users and cloud service provider which enable the SLA-oriented resource management.

3. Service request examiner and admission control: It interprets the submitted request for QoS requirements before determining whether to accept or reject the request.

4. Pricing: It is in charge of billing based on the resource utilization and some factors. Some factors are request time, type etc.

5. Accounting: Maintains the actual usage of resources by request so that the final cost can be charged to the users.

6. VM monitor: Keeps tracks on the availability of VMs and their resources.

7. Dispatcher: The dispatcher mechanism starts the execution of admitted requests on allocated VMs.

8. Service request monitor: The request monitor mechanism keeps track on execution of request in order to be in tune with SLA.

Architrctural framework
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