(→TCP congestion control over a live UMTS network) |
(→TCP congestion control over a live UMTS network) |
||
| Riga 2: | Riga 2: | ||
We have performed an extensive campaign of measurements that involved around 3000 flows and more than 40 hours of measurements using three different TCP stacks: | We have performed an extensive campaign of measurements that involved around 3000 flows and more than 40 hours of measurements using three different TCP stacks: | ||
| − | * [http://www.ietf.org/rfc/rfc2582.txt TCP NewReno]: | + | * [http://www.ietf.org/rfc/rfc2582.txt TCP NewReno]: the congestion control algorithm standardized by IETF |
* [http://www.csc.ncsu.edu/faculty/rhee/export/bitcp/ TCP BIC]: the default congestion control algorithm adopted by the Linux o.s. | * [http://www.csc.ncsu.edu/faculty/rhee/export/bitcp/ TCP BIC]: the default congestion control algorithm adopted by the Linux o.s. | ||
* [[Westwood | TCP Westwood+]]: available in the Linux kernel (both 2.4 and 2.6 kernels). | * [[Westwood | TCP Westwood+]]: available in the Linux kernel (both 2.4 and 2.6 kernels). | ||
| + | |||
| + | The experimental evaluation has been carried out by accessing the public Internet using an UMTS card. The following instantaneous variable measurements have been collected by using the [[Libnetmeas | libnetmeas library]]: | ||
| + | |||
| + | * Goodput | ||
| + | * Round Trip Time | ||
| + | * packet loss ratios | ||
| + | * number of timeouts | ||
We have performed an extensive campaign of measurements that involved around 3000 flows and more than 40 hours of measurements using three different TCP stacks:
The experimental evaluation has been carried out by accessing the public Internet using an UMTS card. The following instantaneous variable measurements have been collected by using the libnetmeas library:
We have performed an extensive campaign of measurements that involved around 3000 flows and more than 40 hours of measurements using three different TCP stacks:
The experimental evaluation has been carried out by accessing the public Internet using an UMTS card. The following instantaneous variable measurements have been collected by using the libnetmeas library: