Re: [squid-users] tweeking squid for vsats

From: fooler <[email protected]>
Date: Tue, 2 Sep 2003 18:41:39 +0800

----- Original Message -----
From: "RAHUL T. KARTHA" <rtk@nccaarsleff.com>
To: <squid-users@squid-cache.org>
Sent: Tuesday, September 02, 2003 6:00 PM
Subject: [squid-users] tweeking squid for vsats

> Hi list
>
> I hope some one might have done this before
>
> My setup is as bellow
>
> Internal net ----> squid --------> vsat -----> isp net ------> isp vsat
> --------> main backbone
>
> I am using squid-2.4.STABLE7-4 on Redhat 7.3
>
> The main problem is delay

the latency is caused by the speed of light and cant be decreased it...
therefore, the longer the path for a packet to travel (eg. satellite links),
the higher latency you will get....

here are my recommendations to improve your service:

1) be sure that the followings are enabled in your /etc/sysctl.conf:

    net.ipv4.tcp_window_scaling=1
    net.ipv4.tcp_timestamps=1
    net.ipv4.tcp_sack=1

2) increase your tcp window size according to bandwidth-delay product

3) parent your squid to your "isp net" proxy server

fooler.
Received on Tue Sep 02 2003 - 04:41:38 MDT

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