Provisioning Algorithms for Service Differentiation in Middleware Appliance Clusters

Closed Loop Feedback;Service Differentiation;Service Oriented Architecture;Middleware

Habib, Mursalin ; Dr. Robert Callaway, Committee Member,Dr. Michael Devetsikiotis, Committee Member,Dr. Yannis Viniotis, Committee Chair,Habib, Mursalin ; Dr. Robert Callaway ; Committee Member ; Dr. Michael Devetsikiotis ; Committee Member ; Dr. Yannis Viniotis ; Committee Chair

University:North Carolina State University

关键词: Closed Loop Feedback;    Service Differentiation;    Service Oriented Architecture;    Middleware;   

Others  :  https://repository.lib.ncsu.edu/bitstream/handle/1840.16/1420/etd.pdf?sequence=1&isAllowed=y

美国|英语

来源: null

【 摘 要 】

Service oriented architectures (SOA) and XML-based Web Services have become the technology of choice in enterprise networks. These networks support multiple services and are typically architected in multiple computing tiers, with a main service tier for thebusiness logic and a separate, offload" tier, for, say, the CPU-intensive XML processing. The offload tier is typically populated by clusters of middleware appliances, usually hardware-assisted devices that are optimized for their tasks. Service differentiation refers to the generic problem of managing the enterprise network resources in order to achieve desired performance objectives on a per service basis. In our research, we defined SAA/SDA (Service Activation Algorithm/Service Deactivation Algorithm) and its variations that manages the CPU allocation in the appliance tier, in order to provide service differentiation. The main design objective of SAA/SDA is to overcome the disadvantages of the present known, static solutions. We analyze the performance of SAA/SDA via simulations.