The Token Bucket Filter Qdisc

Rapid operation, high bandwidth shaping, Network-friendly operations

       |X|
       |X|
       |X|
       |_|
3 2 1 0 | 
       |X|     | |       
       |X|     | |       
       |X|     | |       
       |_|     |_|       
3 2 1 0 |   4 3 | 2 1 0  
       |X|     | |       
       |X|     | | ZzzZz      
       |X|     | |       
       |_|     |_|       
3 2 1 0 |   4 3 | 2 1 0  

Until bucket is full, TBF gets a constant rate of new tokens. If out of tokens and a dequeue() comes in, will throttle for just the right amount of *ticks*.

       |X|     | |         | |
       |X|     | |         | |
       |X|     | |         | |
       |_|     |_|         |_|
3 2 1 0 |   4 3 | 2 1 0   4 | 3 2 .