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AMCA: an Active-based Multicast Congestion Avoidance Algorithm

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AMCA: an Active-based Multicast Congestion Avoidance Algorithm
Many works have recently addressed the issue of congestion control for multicast communications and the problem is known to be highly complex. Scalability, responsiveness, stability and fairness with TCP are some of the required properties. In this paper, we present a congestion avoidance scheme for bulk data distribution called AMCA (Active-based Multicast Congestion Avoidance algorithm) that tries to meet these properties. We use the active networking technology to perform on a per-section dialogue to probe for available bandwidth along a multicast tree. The solution uses the RTT variations experienced by every branch to estimate the congestion situation in the multicast tree. The physical multicast tree is also used to appropriately aggregate the RTT variations at intermediate nodes before they reach the source. Simulations show that AMCA converges, makes use of the available bandwidth and reacts rapidly to dynamic changes while being TCP-fair.
Moufida Maimour, CongDuc Pham
Added 04 Jul 2010
Updated 04 Jul 2010
Type Conference
Year 2003
Where ISCC
Authors Moufida Maimour, CongDuc Pham
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