[Ndn-interest] NDNVideo: Available over NFD?

Alex Afanasyev alexander.afanasyev at ucla.edu
Sun Mar 29 16:23:16 PDT 2015


> 
> On Mar 29, 2015, at 4:02 PM, Lixia Zhang <lixia at CS.UCLA.EDU> wrote:
> 
> 
>> On Mar 29, 2015, at 1:20 PM, Muhammad Hosain Abdollahi Sabet <M.AbdollahiSabet at Mail.sbu.ac.ir <mailto:M.AbdollahiSabet at Mail.sbu.ac.ir>> wrote:
>> 
>> 
>> I believe you are referring to the following presentation:
>> http://www.ietf.org/proceedings/interim/2015/01/13/icnrg/slides/slides-interim-2015-icnrg-1-15.pdf <http://www.ietf.org/proceedings/interim/2015/01/13/icnrg/slides/slides-interim-2015-icnrg-1-15.pdf>
>> 
>> It says clearly that, if necessary, NDN network performs packet fragmentation on a hop-by-hop basis (definitely not by “endpoints” — when a consumer retrieves some specific data, they may come from anywhere)
>> --------------------------------------------------------------------------------
>> 
>> That’s the exact file I referred to. You’re right. It’s mentioned hop-by-hop fragmentation. But after counting its issues, in the conclusion part (last page) it says (I’m quoting):
>> “Host by host fragmentation is the only option for NDN”
>> 
> maybe a typo?
> that ought to be/really means “hop-by-hop fragmentation and reassembly”

yes. this is a typo that we didn’t catch before.  The conclusion meant to highlight that *hop-by-hop* fragmentation is the only viable option for NDN.

—
Alex
>> Maybe there is something attached to this file which I haven’t seen it yet. But for the time being I see some differences between p7, 8 and p9 which I don't understand. Do we consider intermediate nodes (e.g. routers) host here? I don’t think so.
>> 
>> Really sorry if I’m disturbing Divyashri’s question.
>> 
>> Thanks,
>> Sabet
>> 
>> 
>> 
>> -----Original Message-----
>> From: Ndn-interest on behalf of Lijing
>> Sent: Sun 3/29/2015 11:34 PM
>> To: Lixia Zhang
>> Cc: Ilya W Moiseenko; Ndn-interest at lists.cs.ucla.edu <mailto:Ndn-interest at lists.cs.ucla.edu>
>> Subject: Re: [Ndn-interest] NDNVideo: Available over NFD?
>> 
>> Hi, Divyashri
>> Now we have a very prototype testing over NDN testbed.
>> About this project you can find more details here, https://github.com/PhdLoLi/VideoFile <https://github.com/PhdLoLi/VideoFile> <https://github.com/PhdLoLi/VideoFile <https://github.com/PhdLoLi/VideoFile>>.
>> If you have any other question, please don't hesitate to ask me.
>> 
>> Lijing
>> 
>> > On Mar 29, 2015, at 10:59 AM, Lixia Zhang <lixia at cs.ucla.edu <mailto:lixia at cs.ucla.edu>> wrote:
>> >
>> >
>> >> On Mar 28, 2015, at 10:43 PM, Divyashri Bhat <dbhat at umass.edu <mailto:dbhat at umass.edu>> wrote:
>> >>
>> >> Hi,
>> >>
>> >> I came across a technical report a few years ago that describes a working implementation of Video Streaming over Information Centric Networks using CCNx [1]. This report also mentions video streaming over Ethernet. I have two questions:
>> >>
>> >> 1) Does this work over Ethernet? If yes, is the source code available?
>> >> 2) The implementation at the Github link [2] appears to be over CCNx and as far as I understand Ethernet faces don't work well over CCNx. Is there a plan to port this to NDN?
>> >
>> > Jeff already mentioned about ndnrtc effort.
>> >
>> > Another project has re-implemented NDNvideo using a new API.
>> > The video is done by Lijing Wang.
>> > The new API is Ilya's thesis work.
>> > As I heard last Friday, they have been running testing over NDN testbed.
>> > I copied both of them on this reply, hoping they could help offer more details.
>> >
>> > Lixia
>> >
>> 
>> 
>> 
> 
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