Consolidation Algorithm Interoperability in Point-to-Multipoint ABR Services in ATM Networks

  • Authors:
  • Naris Rangsinoppamas;Tanun Jaruvitayakovit;Wisitsak Sa-niamsak;Praphan Pavarangkoon;Prasit Prapinmongkolkarn

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • NETWORKING '00 Proceedings of the IFIP-TC6 / European Commission International Conference on Broadband Communications, High Performance Networking, and Performance of Communication Networks
  • Year:
  • 2000

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Abstract

The point-to-multipoint ABR service is a very important service in ATM networks. Recently, several researchers have studied the issues on multicast ABR services and have proposed a family of consolidation algorithms. All of the previous proposed algorithms have some drawbacks such as slow response, high consolidation noise and high implementation complexity etc. Hence, we propose a new efficient consolidation algorithm which overcomes all such drawbacks. We also recognize that in point-to-multipoint ATM networks, there is a possibility that the branch points will adopt different consolidation algorithms. We, therefore, investigate the interoperability issue and the impact of using different types of consolidation algorithm at the upper and lower stream branch points and show that the branch points with different consolidation algorithms can work interoperably. It is concluded from the simulation results that in order to avoid the consolidation noise and get a faster response in the network the most upper st ream branch point (the nearest one to the source) has to be implemented with a high accuracy consolidation algorithm and the lower stream branch point(s) should be implemented with a fast response consolidation algorithm. Moreover, using our proposed consolidation algorithm, fast response, low consolidation noise and low implementation complexity are achieved.