[Ndn-interest] Usefulness of routing protocol?

Syed Hassan Ahmed s.h.ahmed at ieee.org
Sun Jan 17 18:23:50 PST 2016

Dear Dennis,
cc: Prof. Lixia Zhang and Dr. Alexander

Somehow your question is valid, since we use Broadcasting interface in case
of wireless, so eventually the Interest is flooded. For example, Every
neighboring node  of consumer C1, overhears the Interest packet, and then
has to perform all those basic operations, including PIT, CS, FIB search.
Moreover, if there is a case when those neighbors of C1 are not in intra
transmission range, may involve in interest forwarding as well. That
creates kind of broadcast storm, given that if there is only one provider
initially in the network. I have explored this problem in case of vehicular
environments, when we tried to simulate CCN on top of 802.11p. For
reference, please read my following paper:


P.S: If you find my paper useful, don't hesitate to cite it :)

Kind Regards,
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
*Syed Hassan Ahmed*
사예드 하산 아흐메드

PhD Research Scholar,
MoNeT Wireless Lab, <http://monet.knu.ac.kr>
Kyungpook National University,
Daegu City, Republic of Korea.
Cell: +82-10-9883-0786

On Mon, Jan 18, 2016 at 4:50 AM, Lixia Zhang <lixia at cs.ucla.edu> wrote:

> > On Jan 17, 2016, at 10:48 AM, Dennis Olvany <dennisolvany at gmail.com>
> wrote:
> >
> > The flooding behavior of NDN is already akin to a routing protocol.
> Clearly, there may be a benefit of knowing data reachability before
> interest is expressed, but it is also not useful to know data reachability
> if interest is never expressed. Is there a good use case for routing
> protocol integration with NDN?
> interesting questions.
> let me ask a clarification question first: wonder exactly what you meant
> by "The flooding behavior of NDN"?
> Since NDN interest looks for data and not aims at any specific node, NDN
> takes advantages of any communication media that is broadcast in nature
> (e.g. WiFi) in that whoever hears the questions may answer.  But I dont
> think NDN interests in general get flooded in wide areas.
> Wonder exactly what you meant by "routing protocol integration with NDN"?
> The NDN testbed is running a routing protocol.
> Lixia
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