QoS-Aware Middleware for Web Services Composition
IEEE Transactions on Software Engineering
SLA Management - Challenges in the Context of Web-Service-Based Infrastructures
ICWS '04 Proceedings of the IEEE International Conference on Web Services
Quality Attributes for Service-Oriented Architectures
SDSOA '07 Proceedings of the International Workshop on Systems Development in SOA Environments
Global Distribution of HTTP Requests Using the Fuzzy-Neural Decision-Making Mechanism
ICCCI '09 Proceedings of the 1st International Conference on Computational Collective Intelligence. Semantic Web, Social Networks and Multiagent Systems
Request distribution in hybrid processing environments
PPAM'09 Proceedings of the 8th international conference on Parallel processing and applied mathematics: Part I
A Comparison and Critique of Eucalyptus, OpenNebula and Nimbus
CLOUDCOM '10 Proceedings of the 2010 IEEE Second International Conference on Cloud Computing Technology and Science
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The Service Oriented Architecture (SOA) concept facilitates building flexible services that can be deployed in distributed environment, and executed on different hardware and software platforms. On the other hand SOA paradigm rises many challenges in the area of Quality of Service and resources utilization. In the paper Resources Distribution Manager (RDM) that manages resources and service delivery in order to satisfy user requirements and service provider's needs is presented. Requests for services are distributed to selected virtualized instances of services or optionally new instances are created for handling the requests. The allocation decisions are based on the knowledge about the communication resources and the current load of computational resources which are dynamically monitored by special RDM module. The decision on the resources allocation is then compared with its utilization during service execution and causes changes in allocation strategy.