From owner-freebsd-hackers Sun Aug 27 09:46:36 1995 Return-Path: hackers-owner Received: (from majordom@localhost) by freefall.FreeBSD.org (8.6.11/8.6.6) id JAA26985 for hackers-outgoing; Sun, 27 Aug 1995 09:46:36 -0700 Received: from mail.htp.com (mail.htp.com [199.171.4.2]) by freefall.FreeBSD.org (8.6.11/8.6.6) with ESMTP id JAA26979 for ; Sun, 27 Aug 1995 09:46:34 -0700 Received: from et.htp.com (et.htp.com [199.171.4.228]) by mail.htp.com (8.6.5/8.6.5) with SMTP id MAA19337; Sun, 27 Aug 1995 12:46:27 -0400 Date: Sun, 27 Aug 1995 12:46:27 -0400 Message-Id: <199508271646.MAA19337@mail.htp.com> X-Sender: dennis@mail.htp.com X-Mailer: Windows Eudora Version 2.0.3 Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: Coranth Gryphon From: dennis@et.htp.com (dennis) Subject: Re: Networking [not completely FreeBSD related] Cc: hackers@freebsd.org Sender: hackers-owner@freebsd.org Precedence: bulk > >> A standard T-1 connection, long before the internet was popularized, was >> just a datapipe between two points. No packets, no IP addresses, no > >Kinda like a serial line before SLIP. > >> connecting a TSU to a V.35 jack connected to a FreeBSD machine, run >> something on it, route it across the network, and have a similar machine > ^^^^^^^^^^^^^^^^^^^^^^^^^^^ >> reconstitute the original input. > >This is where your problem lies. For routing, you need an addressing >scheme. If it was a end-to-end connection, with no intervening cross >connections (ie. a wire instead of one piece of a network) then >you're fine. > >Remember that when the phone company did a T1, they either did a single >end-to-end connection, or had a "phone number" type tag on it so that the >switching office knew where the connection was going to and coming from. >Essentially, again, addressing. > The phone company's T1 mechanisms are the same as before, because they don't know or care what you use the line for. The "phone number" is because their customer databases are keyed on your primary phone number so that they can keep all of a location's info together. The telco does no "routing" on your data...everything is done with repeaters and muxes....all physical. Dennis