[Ndn-interest] NDN–CCN Convergence (differences from CCNx 1.0)

Kyra hello at kyra.run
Fri Apr 25 13:16:26 PDT 2025


When reading that NDN was based on CCNx, I didn't realize that meant that
NDN is based on Xerox PARC's CCNx 0.x code, but this was acquired by Cisco
<http://www.lists.cs.ucla.edu/pipermail/ndn-interest/2017-March/001596.html>
and version 1.x is an ongoing project through the IRTF's Information
Centric Networking Research Group (ICNRG
<https://mailarchive.ietf.org/arch/msg/icnrg/oQYP7UhvVzuOmCAkwv6SmvNSYOw/>):
https://www.irtf.org/icnrg.html

There was even an effort around 2016 to work together to:

> Understand and document current differences [n]ot only syntax and
> mechanisms – also semantics and motivation for design decisions

and resolve those to produce a

> set of (Experimental) RFCs that represent community consensus on one
> combined NDN/CCNx design


   - https://www.ietf.org/proceedings/96/slides/slides-96-icnrg-7.pdf


It looks like the convergence wiki page has been purged, and there was a
protocol harmonization document drafted, but otherwise the meeting records
stopped 8 years ago

   -
   https://web.archive.org/web/20220607064227/https://trac.ietf.org/trac/irtf/wiki/icnrg/convergence
   -
   https://icnrg.github.io/draft-icnrg-harmonization/draft-icnrg-harmonization-00.html
   - https://github.com/icnrg/convergence/tree/master/meetings

How far did those efforts go and if they have concluded, what was the
impasse? In my last reply to the 'Understanding Named Data Networking'
thread, I should've added this as another worthwhile comparison to publish!

I was hoping to see the recording of the conference where some of this was
discussed, but the recording links
<https://named-data.net/2017/04/04/named-data-networking-ndn-project-newsletter-februarymarch-2017/>
(below) are dead and even the Internet Archive's Wayback Machine snapshot
<https://web.archive.org/web/20181111152459/https://www.caida.org/workshops/ndn/1703/>
from the same year also shows dead links.

P.S. When will the recordings of this year's NDN Community meeting go
online? I had to work so I wasn't able to pay close attention but wanted to
see the videos when they are available!

On Thu, Mar 23, 2017 at 8:37 AM Lan Wang <lanwang at memphis.edu> wrote:

> Hi all,



Here’re the NDNcomm (NDN Community Meeting) 2017 live streams for today and
> tomorrow (starting at 8:30am central):
>
> 3/23:
> http://mediasite.memphis.edu/Mediasite/Play/b946b7085dea4573aba78d0425bd5fd91d
>
> 3/24:
> http://mediasite.memphis.edu/Mediasite/Play/cd3596a0b235492cbc049754b8f037d71d
>
> Thanks,
>
> Lan
>
> ************************************************
> Lan Wang
> Professor & Chair
> Department of Computer Science
> University of Memphis
> Memphis, TN 38152
>
> Phone: 901-678-1643
> URL: http://www.cs.memphis.edu/~lanwang
> ***********************************************
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