DL10 documentation

Paul Koning paulkoning at comcast.net
Wed Jan 10 10:01:45 CST 2018

> On Jan 10, 2018, at 10:52 AM, Noel Chiappa via cctalk <cctalk at classiccmp.org> wrote:
>> From: Paul Koning
>> That was then adopted by OSI as IS-IS, and further tweaked to become
>> OSPF.
> Err, no. OSPF was not a descendant of IS-IS - it was a separate development,
> based mainly on the ARPANET's original link state routing. (I can't recall if
> John Moy and I took a lot from the later 'area' version of the ARPANET link
> state, although we knew of it.) I think we became aware of IS-IS as OSPF
> progressed, and IIRC John 'borrowed' a few ideas (maybe the sequence number
> thing).

That may be the story, but I don't believe it.  Contemporary accounts have it that he started from a draft IS-IS spec.


More information about the cctalk mailing list