i think there was a much earlier layering paper, lead author postel, 1972? Spring Joint or Fall Joint Computer Conference.<div><br></div><div>v</div><div><br><br><div class="gmail_quote">On Fri, Feb 18, 2011 at 11:02 AM, Craig Partridge <span dir="ltr"><<a href="mailto:craig@aland.bbn.com">craig@aland.bbn.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div class="im">><br>
><br>
> On 2/18/2011 6:45 AM, Craig Partridge wrote:<br>
> > If you read the original OS layering paper by Hubert Zimmerman it is<br>
> > clearly a top-down management work plan. Useful to compare it with<br>
> > the ARPANET layering paper of a few years later. The difference is Zim's<br>
> > "here's how we'll break up the problem of developing standards" vs.<br>
> > "here's why creating TELNET led us to a layered architecture".<br>
><br>
><br>
> As I recall, documentation of the Arpanet approach to layering occurred as a<br>
> response to the OSI papers. Prior to that it was de facto but not documented<br>
<br>
</div>That was the received wisdom I got in 1983. But when I went digging in<br>
1987 or so, I discovered it wasn't true.<br>
<br>
The ARPANET layering paper was published by Davidson et al at the 5th<br>
IEEE Data Comm Conference in 1977. Zim's paper appeared in 1980.<br>
<br>
Thanks!<br>
<font color="#888888"><br>
Craig<br>
</font></blockquote></div><br></div>