|CTCP||CTCP (Compound TCP) is a newer TCP congestion control algorithm designed to aggressively adjust the sender's TCP Window to optimize TCP for connections with higher bandwidth and latency.
The algorithm is generally an improvement over the more traditional slow-start and congestion avoidance TCP algorithms. It is especially effective with broadband internet connections, or any connection with a high bandwidth * delay product.
CTCP has been implemented in Windows Vista/2008, and is also available for Windows 2003 server, and XP(64-bit) via hotfixes. The algorithm has been ported to Linux as well.