RTT fairness testing with linux-2.6.23.9
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This site contains RTT fairness testing results with kernel 2.6.23.9.
Contents |
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Setup
- See general setup at Testing Setup of kernel 2.6.23.9
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Discussion
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Results
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100Mbps
| Protocols | CUBICv2.2, HTCP, and HSTCP |
|---|---|
| Kernel Version | Linux 2.6.23.9 (Senders & Receivers) |
| Bandwidth | 100Mbps |
| Bottleneck Buffer | 100% BDP |
| # Flows | 2 flows (one flow is fixed with 246ms RTT and the other flow varies the RTT from 8ms to 246ms) |
| Tested RTTs | 8ms, 16ms, 46ms, 86ms, 166ms, and 246ms |
| Background Traffic | None |
| Buffer Size | RTT / Protocols | CUBIC | HTCP | HSTCP | Throughput Ratio Queue Droppting Ratio | Link Utilization Utilization Fluctuations |
|---|---|---|---|---|---|---|
| 100%BDP | 8ms | 1 | 1 | 1 |  
|  
|
| 16ms | 1 | 1 | 1 | |||
| 46ms | 1 | 1 | 1 | |||
| 86ms | 1 | 1 | 1 | |||
| 166ms | 1 | 1 | 1 | |||
| 246ms | 1 | 1 | 1 |
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400Mbps
| Protocols | CUBICv2.2, HTCP, and HSTCP |
|---|---|
| Kernel Version | Linux 2.6.23.9 (Senders & Receivers) |
| Bandwidth | 400Mbps |
| Bottleneck Buffer | 2Mbytes fixed (1333 packets) |
| # Flows | 2 flows (one flow is fixed with 250ms RTT and the other flow varies its RTT from 12ms to 250ms) |
| Tested RTTs | 12ms, 20ms, 50ms, 90ms, 170ms, and 250ms |
| Background Traffic | 5% short-lived pareto traffic |
| Buffer Size | RTT / Protocols | CUBIC | HTCP | HSTCP | Throughput Ratio | Link Utilization |
|---|---|---|---|---|---|---|
| 2Mbytes | 12ms & 250ms | 1 | 1 | 1 |  | 
|
| 20ms & 250ms | 1 | 1 | 1 | |||
| 50ms & 250ms | 1 | 1 | 1 | |||
| 90ms & 250ms | 1 | 1 | 1 | |||
| 170ms & 250ms | 1 | 1 | 1 | |||
| 250ms & 250ms | 1 | 1 | 1 |
Maintained by Sangtae Ha (sangtae.ha AT gmail DOT com)
