Talkback:136/pfeiffer.html

Yannis Broustis [broustis at gmail.com]

Tue, 3 Jun 2008 17:07:44 +0300

Hello,

I ran the tcpsnoop on two machines, and, similarly as in Pfeiffer's example, the contention window does not get larger than 2, as time progresses.

Any ideas why?

Thanks, Y.

Top Back

René Pfeiffer [lynx at luchs.at]

Fri, 6 Jun 2008 12:13:29 +0200

Hello, Yannis!

On Jun 03, 2008 at 1707 +0300, Yannis Broustis appeared and said:

> Hello,
>
> I ran the tcpsnoop on two machines, and, similarly as in Pfeiffer's
> example, the contention window does not get larger than 2, as time
> progresses.
>
> Any ideas why?

Could you describe what the network setup is like? Are the machines connected directly (i.e. in the same LAN)? Is there a WAN link between them?

If your latency is very low and the bandwith very high you won't see much, because the machines quickly empty their packet queues (or even don't build queues).

Best, René.

Top Back