Lawrence Stewart 0927e1a18b Import an implementation of the CAIA-Hamilton-Delay (CHD) congestion control ... algorithm described in the paper "Improved coexistence and loss tolerance for delay based TCP congestion control" by Hayes and Armitage. It is implemented as a kernel module compatible with the recently committed modular congestion control framework. CHD enhances the approach taken by the Hamilton-Delay (HD) algorithm to provide tolerance to non-congestion related packet loss and improvements to coexistence with loss-based congestion control algorithms. A key idea in improving coexistence with loss-based congestion control algorithms is the use of a shadow window, which attempts to track how NewReno's congestion window (cwnd) would evolve. At the next packet loss congestion event, CHD uses the shadow window to correct cwnd in a way that reduces the amount of unfairness CHD experiences when competing with loss-based algorithms. In collaboration with: David Hayes <dahayes at swin edu au> and Grenville Armitage <garmitage at swin edu au> Sponsored by: FreeBSD Foundation Reviewed by: bz and others along the way MFC after: 3 months		2011-02-01 07:05:14 +00:00
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cc_chd	Import an implementation of the CAIA-Hamilton-Delay (CHD) congestion control	2011-02-01 07:05:14 +00:00
cc_cubic
cc_hd	Import a clean-room implementation of the Hamilton-Delay (HD) congestion control	2011-02-01 06:42:46 +00:00
cc_htcp
cc_vegas
Makefile	Import an implementation of the CAIA-Hamilton-Delay (CHD) congestion control	2011-02-01 07:05:14 +00:00