Reliable Multicast Transport and Integrated Erasure-Based Forward Error Correction
NAVAL RESEARCH LAB WASHINGTON DC CENTER FOR HIGH ASSURANCE COMPUTING SYSTEMS (CHACS)
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Multicast networking is an important emerging technology area for both commercial and military group-based data dissemination. In addition, a number of emerging applications can benefit from a reliable multicast transport service. A variety of approaches have been developed regarding the general application of Automatic Repeat Request ARQ techniques over Internet Protocol IP multicasting to achieve reliable delivery. In this paper, we investigate the application of erasure-based processing and parity-based recovery to a reliable multicast protocol framework. The integrated design approach described is shown to have improved efficiency and scalability features over reliable multicasting techniques based solely on ARQ. These bandwidth utilization improvements are expected to be substantial when applied across future multipoint communication infrastructures, especially over bandwidth-constrained andor asymmetric networks.
- Computer Programming and Software
- Computer Systems Management and Standards