Packet Reordering
Reordering: packets do not arrive in the order that they were sent
- Send: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
- Received: 1, 4, 3, 5, 2, 6, 7, 10, 8, 9
Not interested in intentional reordering
Why is this a problem:
- Buffering
- When to ask for resends
Effect known for a long time
Frequently occurs on the latest, high-speed links