[135] in Back_Bay_LISA
Re: Serial Line connects....
daemon@ATHENA.MIT.EDU (Dean Anderson)
Wed Jan 20 22:07:45 1993
From: dean@ksr.com (Dean Anderson)
To: Alan Sonnenberg <asonnenb@sentry.foxboro.com>
Cc: bblisa@inset.com, nearnet-tech@nic.near.net
In-Reply-To: Your message of "Wed, 20 Jan 93 16:50:48 EST."
Date: Wed, 20 Jan 93 21:20:16 EST
We use slip and ppp with a netblazer connecting to next and sun
workstations.
ppp give you more options for link negotiation. It is possible to get
your ip address from the host you are connecting to, amoung other
things.
The common implementation of ppp (a driver with a user level server
doing routing and filtering, automatic link initiation) is a bit more
robust than the common implementations of slip which are usually as
a terminal discipline in the tty driver.
Slip could also be implemented with autodialing, filtering and
such, but not ip address negotation. I have not found address
negotiation to be very necessary. Usually each machine has
an IP address already.
I think the slip should be quicker and use less compute resources, but
it appears not to be significant due the speed of the link. This
seems to be the case even at 14.4k. These are "feel" results. I have
not done any performance measurements.
--Dean
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