Optimized multi constrained path quality of service routing protocol

  • Authors:
  • P. S. Prakash;S. Selvan

  • Affiliations:
  • Department of Computer Science and Engineering, Anna University of Technology and Sri Ramakrishna Engineering College, Coimbatore, India;Anna University and Alpha College of Engineering, Chennai, India

  • Venue:
  • WSEAS Transactions on Information Science and Applications
  • Year:
  • 2011

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Abstract

One of the key issues in providing Quality-of-Service (QoS) guarantees in packet networks is how to determine a feasible path that satisfies a set of additive constraint. Finding a path subject to multiple additive constraints is intractable. In this paper a distributed Optimized Multi Constrained Routing (OMCR) protocol is proposed that computes feasible paths at each node and routes the packets based on their destinations address. OMCR performs connectionless, hop-by-hop Internet Protocol routing and need not remember the global state of the network. It makes routing decision independently and therefore has the ability to respond to network dynamics swiftly. The volume of update messages are reduced significantly by using vector transform method and formation of loops reduced by addressing count-to-infinity issues effectively. OMCR protocol outperforms shortest path routing protocols both link-state and distance vector in terms of convergence time, success ratio and message overhead.