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On the Use of Destination Set Grouping to Improve Interreceiver Fairness for Multicast ABR Sessions

Summary: On the Use of Destination Set Grouping to Improve
Inter­receiver Fairness for Multicast ABR Sessions
Tianji Jiang Mostafa Ammar Ellen W. Zegura
College of Computing
Georgia Institute of Technology
Atlanta, GA 30332­0280, USA
Abstract---Multicast applications can involve a large number of receivers
with heterogeneous data reception capabilities. In a traditional single­rate
multicast session, the transmission rate at the source is chosen to match the
lowest capacity path to a receiver in the session. This can cause an under­
utilization of higher capacity paths to other receivers. We have previously
defined an inter­receiver fairness measure in order to quantify the effect of
this underutilization [1]. We also developed protocols that use this measure
to guide the choice of the source rate for a single­rate session [1], [2].
In this paper we design and develop a multi­rate protocol in the context of
an ATM ABR service to achievebetter inter­receiverfairness for a multicast
session. The multi­rate protocol we investigate is based on the use of desti­
nation set grouping (DSG) where the set of receivers in a multicast session
is partitioned into disjoint subgroups. The transmitter carries a separate


Source: Ammar, Mostafa - College of Computing, Georgia Institute of Technology


Collections: Computer Technologies and Information Sciences