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Re: [icnrg] I-D Action: draft-irtf-icnrg-videostreaming-03.txt

Marie-Jose Montpetit <mariejo@mit.edu> Wed, 18 March 2015 10:04 UTC

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From: Marie-Jose Montpetit <mariejo@mit.edu>
To: Andrea Detti <andrea.detti@uniroma2.it>
Thread-Topic: [icnrg] I-D Action: draft-irtf-icnrg-videostreaming-03.txt
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Date: Wed, 18 Mar 2015 10:04:01 +0000
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Cc: Börje Ohlman <Borje.Ohlman@ericsson.com>, icnrg <icnrg@irtf.org>, "oran@cisco.com" <oran@cisco.com>, "Liushucheng (Will)" <liushucheng@huawei.com>, Dirk Kutscher <Dirk.Kutscher@neclab.eu>, Cedric Westphal <Cedric.Westphal@huawei.com>, "Dr. Jianping Wang" <jianwang@cityu.edu.hk>
Subject: Re: [icnrg] I-D Action: draft-irtf-icnrg-videostreaming-03.txt
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Actually there is not a lot in the literature. At least the “academic” stuff. It is mostly implementation.


Marie-Jose Montpetit, Ph.D.
mariejo@mit.edu
@SocialTVMIT

> On Mar 18, 2015, at 3:56 AM, Andrea Detti <andrea.detti@uniroma2.it> wrote:
> 
> Dear Cedric,
> 
> if necessary next week I can have a look at the "multisource-multidestination" (multiple screen)  topic and write something by revising the literature. Just to start the discussion.
> 
> 
> Regards,
> 
> Andrea
> 
> 
> 
> On 03/18/2015 01:25 AM, Marie-Jose Montpetit wrote:
>> See below.
>> Marie-Jose Montpetit, Ph.D.
>> mariejo@mit.edu <mailto:mariejo@mit.edu>
>> @SocialTVMIT
>> 
>>> snip/snip
>>>> 4. While a lot of the document addresses P2P there is little mention of the other "multisource-multidestination" services that are consistent with shared video experience; these raise the issues of media synchronization across multiple networks and devices - a hard problem. Some ICN basic mechanisms (strategy layers?) could be helpful here. The multiple screen experience 
>>>> 
>>> Is there an interrupted thought here? The multi-source/multi-destination service should be supported by ICN, but not necessarily by the existing solutions considered in the draft. Anyhow, please clarify!
>> Yes it seems the rest of the sentence got away - what is missing is that the multiple screen experience is very well supported by an ICN as each device addresses content not technology.
>>> 5. The network coding section could be stronger. As regards video (unicast, multicast and P2P) network coding has shown promise in reducing buffering events and improving on caching efficiency. Some of the issues raised in this section have been addressed in the network coding community (timing being one with multiple demos). And network coding is not only multistream but can also be used in-stream as an equivalent of a composable erasure code. Actually the IETF nwcrg while not addressing ICN is looking at architecture and there could be avenues for collaboration.
>>> 
>>> We can add some text that network coding is more than just multistream.
>>> 
>>> Again, thanks for the comments!
>>> 
>> Thanks
>>> C.
>>> 
>>>> But again overall a good document!
>>>> 
>>>> 
>>>> I will be in Dallas and can discuss some more.
>>>> 
>>>> 
>>>> Marie-José
>>>> 
>>>> Marie-Jose Montpetit, Ph.D.
>>>> mariejo@mit.edu <mailto:mariejo@mit.edu>
>>>> @SocialTVMIT
>>>> 
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