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Network coding based resource efficient congestion control for video streaming

:Abstarct

The paper proposes a resource efficient solution
for Network Coding (NC) based congestion control consisting
in identification around the congested links of multiple
butterfly or other low complexity NC-capable topologies by
using the Discrete Lagrange Multiplier optimization algorithm.
The identification of the NC-capable topologies is
based on the resource management capabilities foreseen for
the network entities of the Future Internet. The congestion
control issue is tackled by separate encoding of appropriately
selected groups of data flows passing through the bottleneck
link. By optimal selection of the data flows to be encoded,
the additional network resources required by the NC
operations can be minimized. The encoding is realized by
using an XOR-based algorithm adapted for unequal bit rate
data flows, and the experimental performances are reported
here. Due to its efficient usage of the network resources and
high degree of scalability, the congestion control solution
proposed in this paper is suitable for large bit rate transmissions,
like video streaming

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