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A TCP friendly, rate-based mechanism for NACK-oriented reliable multicast congestion control

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2 Author(s)
Macker, J.P. ; Inf. Technol. Div., Naval Res. Lab., USA ; Adamson, R.B.

We describe ongoing work in adding congestion control extensions to an existing negative acknowledgement (NACK) oriented reliable multicast protocol. Our previous work adopted and used the concept of a dynamic worst path representative (WPR) receiver for equation-based rate adaptation at the multicast source. We have further refined this approach. We present a design overview and simulation results of these extensions within a working reliable multicast protocol (MDP-CC, multicast dissemination protocol congestion control). Our analysis of interflow fairness with steady state TCP unicast sessions demonstrates friendly behavior across a set of scenarios. Testing with more dynamic TCP flows and more complex topologies demonstrates the WPR approach adapts well to changing congestion conditions

Published in:

Global Telecommunications Conference, 2001. GLOBECOM '01. IEEE  (Volume:3 )

Date of Conference:

2001

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