Problems
Sender
Receiver
Forward
ACKs
Router
Bottleneck Router
Data 8
Data 11
Data 10
Data 9
1. Acks arrive slowly (large buffer)
2. Acks are dropped (small buffer)
1
Data
Data
3. Acks are queued behind data packets
Lakshman & Madhow 97
Kalampoukas et al. 97
Balakrishnan et al. 97
Performance depends on
1. Normalized asymmetry ratio
2. Bottleneck buffer sizes
3. Competing reverse traffic
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