|
|
| Link
Level Retransmissions |
|
| In-order
delivery |
|
|
|
|
|
|
| n | To
avoid unnecessary fast retransmit, link layer |
|||
| using
retransmission should attempt to deliver |
||||
| packets
“almost in-order” |
||||
| 6 |
| 5 |
| 4 |
| 3 |
| 2 |
| 2 |
| 1 |
| 6 |
| 5 |
| 2 |
| 4 |
| 3 |
| 2 |
| 1 |
