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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. Slide from Nick McKeown, based on animations from http://yuba.stanford.edu/~appenz/animations.html. 975165.
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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. Slide from Nick McKeown, based on animations from http://yuba.stanford.edu/~appenz/animations.html 975165 19/11/2014 Tim Moors
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 Wpackets may be outstanding 9751XE Slide from Nick McKeown, based on animations from http://yuba.stanford.edu/~appenz/animations.html 19/11/2014 Tim Moors