Re: Sizing a firewall

Subject: Re: Sizing a firewall
From: Ryan Russell (Ryan.Russellsybase.com)
Date: Sun Jan 02 2000 - 19:42:03 CST

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>I will say this... a T1 will not even be close to enough. You will get more
>bitching and moaning with a T1 than if you just gave them all analog lines.
>I can tell you that I have seen about 3000 users saturate a T1... not 100%
>of the time, but it wasn't fun. With 25K users, you had better start off
>with at least a frac DS3 (even 10Mb will probably be cramped). Really a
>full DS3 is probably about right. A decently spec'd firewally (FW-1 on a
>Nokia IP 440 or 650) will be more than adequate and even give you some
>growing room).

I've got 4500 people, and run some fairly popular web sites w/big downloads.

Traffic is spread through various parts of the world as follows:

Western part of the US - 12MB Frac DS3
Eastern part of the US - 9MB Frac DS3
Europe near UK - E1 (2MB)
Europe near Netherlands - E1(2MB)
Australia - Frac T1(?) - 256Kb.

Asia comes through either West or East US.

                    Ryan

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