Date Added: Dec 2012
Distributed Systems remained one of the most recent development fields in computing research. The parallel applications development faced enormous hindrance in QoS delivery due to resource hungry queuing models and complex memory patterns. Being a collection of multiple autonomous systems, a distributed system's efficiency lies in best coordination of its middle ware and coordinating modular layers. The concurrency is maintained by implementing Integrity constraint rules. The paper assesses various coherence addressing schemes for QoS delivery in Distributed Network environment.