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Re: (ASCEND) NAT and Ascend
That is an interesting thought. I am not as worried about Internet
activity as I am on screen refreshes on the CMS system on the mainframe.
But even there, not everyone is transferring data at the same time.
Thanks for the response.
On Sat, 25 Apr 98 15:50:51 PDT, "Chris Peterman" <chris@pernet.net>
wrote:
:>One thing that you have to keep in mind is that for the most part (unless
:>this lab is an extreme case) the industry standard shows that only one in 7
:>computers are going to be moving data at any one time as the Internet is
:>(excepting streaming audio/video feeds, etc...) burst type traffic, you hit
:>a web page and read it for a time. So the assumption you can make is that
:>around 3-4 users on that lab will be actually transmiting or receiving data
:>at any one time, or 32-42.6k connections (without taking compression into
:>account) for a 128k line... Just a thought.
:>
:>-Chris Peterman
:>
:>----------
:>> On Fri, 24 Apr 1998 22:25:43 -0400 (EDT), William T Wilson
:>> <fluffy@dunadan.com> wrote:
:>>
:>> :>That has got to be a mistake. Maybe they were thinking of the P25 which
:>> :>is only designed for that kind of load. The P50 and P75 should all
:>> :>support perhaps 100 or so connections, assuming the NAT bug is fixed so
:>>
:>> Of these 100 connections, how many users connected to a P75 could be
:>> realistically supported at one time? A single BRI is 128K (maybe 256K
:>> with compression). If 10 users were active, each user would average out
:>> at 12K w/o compression. That is not much in the way of response time.
:>>
:>> I am trying to configure a small lab (22 machines) that would be using
:>> Internet and mainframe services. My initial thinking is that it would
:>> require 4 BRI lines (maybe a 1800 on each end?) to support 20
:>> simultaneous users with reasonable response rates. Am I missing
:>> something?
:>>
:>> [snip]
:>>
:>> :>as many users as you can reasonably put on your one BRI (which I would
:>> :>think, would be somewhat less than 100 if they are all using it at
:>once!)
:>>
:>> How many users can be on a single BRI at any one time?
:>>
:>>
:>>
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:>
:>
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