Comp 343-001 Week 9 notes

July 16, 2026

pld_wclient.py: Java uses timeout values measured in milliseconds. Python uses timeout values measured in seconds. I had INITTIMEOUT = 3000. In Python, that's almost an hour.

• Misc TCP features: Nagle Algorithm, Flow Control, SWS
• Timeout and Retransmission
• Timers
• TCP alternatives
• QUIC

TCP Reno

    Basic idea of polling for a window size and then maintaining it
    cwnd adjustment rule: /2 or +1   (AIMD)
    Sawtooth
    slow start
    putting it all together; ssthresh
    TCP Tahoe and Fast Retransmit
    TCP Reno and Fast Recovery
    SACK

Large-Scale Routing

    CIDR
    hierarchical routing (and two-stage routing)
    provider-based routing
    geographical routing

BGP