Re: [PATCH] tcp: Socket option to set congestion window

Denys Fedorysychenko
2010-05-26T17:41:26Z

On Wednesday 26 May 2010 20:33:46 Andi Kleen wrote:
> Tom Herbert <therbert@google.com> writes:
> > Thanks to NAT, the concept of a network path or even host specific
> > path is a weakened concept. On the Internet this may be a path
> > characteristic per client, which unfortunately has no visibility in
> > the kernel other than per connection state. When a single IP address
> > may have thousands of hosts behind it, caching TCP parameters for that
> > IP address is implicitly doing a huge aggregation-- probably dicey...
>
> Yes all of Saudi-Arabia used to be (is?) one IP address...
>
> Caching anything per IP is bogus.
>
> -Andi
>
In Lebanon i have around 30k users behind few IP addresses(around 6) (for
web).
Because backbone here $1200/Mbit, and satellites mostly(rtt 400+ ms)... so TCP
accelerators and caching proxy a must. Tproxy doesn't work well yet to use
full set of ip's.

And no local google/youtube servers, so maybe i'm affected by something? :-)