[ih] Domains and Networks (was Re: The story of BGP?)

John Day jeanjour at comcast.net
Fri Feb 8 05:17:05 PST 2013

Yes, both intra-domain and inter-domain routing as well as the 
detailed structure of the network layer, i.e. dividing it into 3 
sublayers, were developed in OSI.

This is what lead to the idea of using link state locally (for 
networks) and distance vector globally (for internets).  There was a 
good debate on intra-domain routing between a proposal by Dave 
Piscatello and Dave Oran.  They ended up choosing Oran's, which 
became IS-IS.  Piscatello's proposal had some interesting properties.

At 11:51 AM +0000 2/8/13, Tony Finch wrote:
>Larry Sheldon <LarrySheldon at cox.net> wrote:
>>  On 2/7/2013 12:23 PM, Justine Sherry wrote:
>>  > I was in the graduate networking class yesterday at Berkeley and we
>>  > were discussing the origin of BGP for Interdomain routing, and we
>>  That introduction clangs.  We all know that I have no cachet nor 
>>credential to
>>  offer in this place, but in an earlier life had occasional opportunities to
>>  ask people to us terms correctly lest the confuse or signal confusion.
>>  At that time and place routing happened between networks, oblivious to the
>>  presence or absence (or even existence in thing like IPX networks) of domain
>>  boundaries.  I don't think even the use of IP forces the existence 
>>of a domain
>>  structure.
>I gather from RFC 1069 that the term "inter-domain routing" comes from the
>OSI protocols. It says ``... the concept of "routing domains" as used in
>ANSI and ISO.  This concept is similar to, but not identical with, the
>concept of "Autonomous System" used in the Internet.''
>f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/
>Forties, Cromarty: East, veering southeast, 4 or 5, occasionally 6 at first.
>Rough, becoming slight or moderate. Showers, rain at first. Moderate or good,
>occasionally poor at first.

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