Re: Long-haul 100Mbps EPL circuit throughput issue

[Pablo Lucena <plucena () coopergeneral com>]

> With default window size of 64KB, and a delay of 75 msec, you should only
> get around 7Mbps of throughput with TCP.
>
> You would need a window size of about 1MB in order to fill up the 100 Mbps
> link.
>
> 1/0.75 = 13.333 (how many RTTs in a second)
> 13.333 * 65535 * 8 = 6,990,225.24 (about 7Mbps)
>
> You would need to increase the window to 1,048,560 KB, in order to get
> around 100Mbps.
>
> 13.333 * 1,048,560 * 8 = 111,843,603.84 (about 100 Mbps)
>
> >
​I realized I made a typo:

1/*0.075* = 13.333

not

1/0.75 = 13.333


​