VPN Bandwidth Requirements

[Jon Carnes]

I think that your assumption is historically accurate.  However, internet
connectivity has changed dramatically in the States.

Where in the past I would setup a site using a T1, I now opt for a "Business
Class" DSL connection.  The cost is dramatically lower, and the bandwidth up
to 3 times faster than a T1.  I am even running some smaller sites using
cable connections.

Increased competition and infrastructure has increased the bandwidth and
dropped the prices.  For intra-city connects, I can easily grab some B from
a local loop company and get upwards of 10Mb clear channel for what I used
to pay for T1's.

I believe you will find that Traditional T1 for data transport is on the way
out.

Jon Carnes
MIS - HAHT Commerce
----- Original Message -----
From: "Geoffrey Dacosta" <geoff.dacosta at EXCITE.CA>
To: <VPN at SECURITYFOCUS.COM>
Sent: Thursday, March 08, 2001 11:17 AM
Subject: Re: VPN Bandwidth Requirements


> First, let me thank everyone for their assistance with my questions
> regarding bandwidth.  Your emails have helped me a lot.
>
> I've been doing some more reading on VPNs, and I have learned that VPNs
> typically fall into one of 5 classes (Class 0, Class 1, Class 2, Class 3,
> and Class 4), with the higher numbered classes normally tailored to larger
> companies.  It is my understanding, based on what I have read, that the
> bandwidth requirement (ie, that which connects to the long haul
> backbone)regardless of the class, is typically T1 (though I do realize
that
> the higher numbered classes can be higher-T3 or OC3, and the lowered
> numbered classes can be lower).  Would this be a safe assumption?
>
> Thanks again,
> Geoff

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