1. Review: Statistical Multiplexing
Observations
The bigger the buffer, the lower the packet loss.
If the buffer never goes empty, the outgoing line is busy 100% of the time.
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Slide from Nick McKeown, based on animations from
10/11/2018 Tim Moors

2. Review: TCP Congestion Control
Rule for adjusting W
If an ACK is received: W ← W+1/W
If a packet is lost: W ← W/2
Only W packets may be outstanding
9751XE
Slide from Nick McKeown, based on animations from
10/11/2018 Tim Moors