Abstract
The ATM Forum formed a working group in 1996 to address issues in the efficient support for scalable multipoint-to-multipoint (mpt-mpt) communication in ATM. These issues include traffic management and, in particular, available bit rate (ABR) service. While a number of efficient protocols for point-to-point (pt-pt) ABR service have been proposed, the more challenging problem of providing mpt-mpt ABR service has not been addressed before. In this paper, we propose new efficient mpt-mpt protocols that can interoperate with existing standards for ABR service and provide a truly transparent and scalable solution to congestion control in ATM. We present simulation results to illustrate that our proposed ABR schemes provide high link utilization and fair bandwidth allocation for heterogeneous sources with different data rates.
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