Re: [rrg] Lixia & Scott's taxonomy I-D and other taxonomy attempts

[Lixia Zhang <[e-mail]>]

Truly appreciated all this info, Robin!
will look over the weekend. Scott and I are scheduled to chat Monday on how to move the taxonomy draft forward. 

Lixia

On Sep 7, 2010, at 4:54 AM, Robin Whittle wrote:

> Short version:   I found six attempts at making a taxonomy of
>                 RRG proposed architectures:
> 
>                   March 2008  Lixia and Scott's I-D
>                   April 2008  My 25 questions
>                   April 2008  Joel Halpern's I-D
>                   July  2008  Christian Vogt's PDF document
>                   Early 2009  Based on Bill Herrin's Strategies
>                   Early 2010  My CES/CEE distinction messages
> 
> 
> Hi Lixia,
> 
> In "Re: [rrg] [IRSG] IRSG Review: draft-irtf-rrg-recommendation-
> 12.txt" you wrote:
> 
>>> I figure people will read it.  The questions we are tackling will
>>> come up in the future, even if nothing is done with LISP, Ivip,
>>> IRON, ILNP or whatever for five or ten years.
>> 
>> Based on what I have seen in the past, I agree here.
> 
> OK.
> 
> 
>> 1/ The terms CES versus CEE came from a HOTNET paper, "Towards A
>> Future Internet Architecture: Arguments for Separating Edges from
>> Transit Core" ACM Workshop on Hot Topics in Networks (HotNets),
>> October 2008 
>> http://conferences.sigcomm.org/hotnets/2008/papers/18.pdf
>> 
>> I do not think "DNS-based" or not is part of the CEE concept.
> 
> I agree.
> 
> 
>> 2/ I recall that long time ago I signed up to help a taxonomy
>> draft. Scott Brim and I even produced a couple versions (predated
>> the above mentioned paper).  Although I've stepped down from RRG, I
>> feel an obligation to help finish this piece.
>> 
>> Let me first dig out the old draft by Scott and me. Then look over
>> the mailing list discussion (if Robin has pointers at hand, that'd
>> be very helpful than going through all email archive:)
>> 
>> I chatted with Scott about this taxonomy draft at Maastricht IETF.
>> Scott, wonder if your busy period is over and have some cycles for
>> this now.
> 
> Scott announced the I-D on 2008-03-29:
> 
>  http://www.ietf.org/mail-archive/web/rrg/current/msg02006.html
> 
> The I-D is version 00 only, from the same date:
> 
>  http://tools.ietf.org/html/draft-rrg-taxonomy-00
> 
> I commented on it on 2008-03-31, you responded and I replied:
> 
>  http://www.ietf.org/mail-archive/web/rrg/current/msg02015.html
>  http://www.ietf.org/mail-archive/web/rrg/current/msg02038.html
>  http://www.ietf.org/mail-archive/web/rrg/current/msg02042.html
> 
> There was also an exchange between you and Heiner Hummel a few days
> later.  As far as I know, there were no further substantial
> discussions of this I-D on the list.  Hannu Flinck (msg02132.html)
> wrote positively of your I-D.
> 
> You wrote to the list:
> 
>  http://www.ietf.org/mail-archive/web/rrg/current/msg02162.html
> 
> with primarily a 2-way taxonomy, with a potential 3rd classification
> for address rewriting proposals (such as Six-One Router, I guess).
> 
> 
> 
> A second taxonomy attempt began on 2008-04-02:  I made a set of 25
> questions:
> 
>  http://www.ietf.org/mail-archive/web/rrg/current/msg02033.html
> 
> and after some discussion, made a web page which incorporated
> suggestions from other people:
> 
>  http://www.firstpr.com.au/ip/ivip/comp/
> 
> Most of the questions refer to distinctions between what we know know
> (or at least some people recognise as) Core-Edge Separation
> architectures.  This has been pretty much superseded, since most of
> the proposed architectures considered in this framework are no longer
> under development - or have changed considerably.
> 
> 
> 
> On 2008-04-28, Joel Halpern wrote to the list:
> 
>  http://www.ietf.org/mail-archive/web/rrg/current/msg02161.html
> 
> about his new I-D, which he updated on 2008-07-12 to version 01:
> 
>  http://tools.ietf.org/html/draft-halpern-rrg-taxonomy-01
> 
> 
> 
> On 2008-07-25, Christian Vogt wrote to the list:
> 
>  http://www.ietf.org/mail-archive/web/rrg/current/msg02911.html
> 
> referring to:
> 
>  http://users.piuha.net/chvogt/pub/2008/vogt-2008-design-taxonomy.pdf
> 
> which no longer exists.  I don't recall anything about this, and I
> think it was not discussed on the list.  I don't think I have a copy.
> 
> 
> 
> Another attempt at a taxonomy was in early 2009:
> 
>  http://www.firstpr.com.au/ip/ivip/rrgarch/
> 
> This is based on Bill Herrin's Summary of Routing Architectures
> discussed in the RRG:
> 
>  http://bill.herrin.us/network/rrgarchitectures.html
> 
> I attempted to keep my page updated according to suggestions arising
> in discussion.  Strategy A is basically Core-Edge Separation (CES) and
> Strategy B is basically Core-Edge Elimination (CEE).
> 
> Bill's approach was mentioned in the initial draft of the RRG
> Recommendation: 2009-02-15:
> 
>  http://tools.ietf.org/html/draft-irtf-rrg-recommendation-00
> 
> after another taxonomy based on "mechanism".  Versions 01 and 02 to
> 2009-03-29 were similar.  Version 03 (2009-12-26) was a completely
> different document.
> 
> 
> 
> A more recent taxonomy approach is the two-way distinction between CES
> and CEE, from early 2010:
> 
>  http://www.ietf.org/mail-archive/web/rrg/current/msg06250.html
>  http://www.ietf.org/mail-archive/web/rrg/current/msg05865.html
> 
> This is based on your Hotnets paper.  My message of 2010-02-12
> 
>  http://www.ietf.org/mail-archive/web/rrg/current/msg06009.html
> 
> contains an attempt to understand the history of this CES/CEE distinction.
> 
> 
> 
> This list is based on searching my RRG mailbox, which starts on
> 2007-03-31 - for "taxonomy" in the subject line and then in the body.
> 
> - Robin
>