A Chord-based Architecture for Efficient Dynamic Service Provisioning over Distributed Resources

The demand for distributed applications has been increasing since the birth of internet. It has scaled geographical areas in search of information and computational resources for processing. With the advent of Grid computing, ad-hoc Virtual Organizations have added an impetus towards distributed applications by providing on-demand service provisioning. The use of job-based paradigms and strong coupling of current service-based paradigms with static registries such as UDDI hinder the achievement of complete dynamism over volatile resources of the Grid. A possible solution is the use of structured peer to peer overlay networks to keep a check on the resources as well as handle the volatility of the system. In this paper, we present an architecture of a web service based P2P Grid framework for managing the services and resources using the Chord protocol over a de-centralized registry which facilitates demand driven provisioning of web services and enables a virtual market place for computational resources.