An overlay solution to IP multicast address collision prevention

Authors:
Piyush Harsh;Richard Newman
Affiliations:
University of Florida, Gainesville, FL;University of Florida, Gainesville, FL
Venue:
EuroIMSA '08 Proceedings of the IASTED International Conference on Internet and Multimedia Systems and Applications
Year:
2008

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Abstract

Before multicast applications start transmitting content must choose a multicast channel on which to transmit. Unlike IP unicast addresses, multicast addresses normally are not long lived entities. Moreover many applications can choose to transmit data on the same channel. Every application that chooses to transmit data intended for receivers outside its own administrative domain must choose a globally scoped channel. Since most of globally scoped multicast channel addresses are not statically assigned, there is a high probability of address collision among applications if they are assigned addresses randomly and without the prior knowledge of global assignments of such addresses. This paper proposes an overlay solution to dynamic "globally scoped" multicast address allocation and collision prevention.