Side-bar: “newtcp” project at CAIA

• FreeBSD implementations of new TCP algorithms

• Modular congestion control (modCC) kernel framework
• NewReno, CUBIC, HTCP implemented in modCC
• “Hamilton Delay” and Vegas implemented in modCC

• Improved tools for capturing behaviour of TCP state machine

• Statistical Information For TCP Research (SIFTR)

• Improved loss-insensitive, delay-based TCP

• “CAIA Hamilton Delay” (CHD), code released & in FreeBSD stack
• “CAIA Delay Gradient” (CDG), code released as FreeBSD patches

• Online at http://caia.swin.edu.au/urp/newtcp

• Supported in part by Cisco Systems (and later by FreeBSD Foundation)