Computer Networks and ISDN Systems
The PIM architecture for wide-area multicast routing
IEEE/ACM Transactions on Networking (TON)
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In this paper, we propose a flooding method, called Switch-Aided Flooding (SAF), for use in ATM networks. SAF-based protocols take advantage of hardware-supported cell relay and cell duplication, characteristic of such networks, in order to reduce the time needed to disseminate changes in network topology and resource availability. SAF protocols use a spanning multipoint connection (SMC), which is a hardware-switched network spanning tree, but revert to conventional link-by-link flooding when the spanning MC is unavailable or under construction. The results of a simulation study reveal that the proposed flooding protocols deliver network updates several times faster than conventional approaches, while using significantly less bandwidth.