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From: ROODE@BIONET-20.ARPA (David Roode)
Newsgroups: comp.protocols.tcp-ip
Subject: Re:  How do you break up a B class number?
Message-ID: <12324351037.26.ROODE@BIONET-20.ARPA>
Date: Thu, 6-Aug-87 12:02:13 EDT
Article-I.D.: BIONET-2.12324351037.26.ROODE
Posted: Thu Aug  6 12:02:13 1987
Date-Received: Sat, 8-Aug-87 14:12:02 EDT
References: <8707271742.AA26964@hi>
Sender: daemon@ucbvax.BERKELEY.EDU
Distribution: world
Organization: The ARPA Internet
Lines: 12

Why don't you replace your DEC LANBridges with something at the IP
level.  In your description of the main ethernet, you
indicate you use these to connect together a combination of thin
and fat wires using these and repeaters.  For the price of a DEC
LANBridge, you can buy something like a cisco gateway, and voila,
no more 100 host subnet.  I can't see the real argument
for ever desiring to put 1000 hosts on a single subnet, or
even 300.  Organizations that large are going to be naturally
broken into administrative units of smaller size, each of which
might be allocated a subnet, or a portion of a subnet
shared with a limited number of other units.
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