[Ndn-interest] Interest Order Maintaining

Junxiao Shi shijunxiao at email.arizona.edu
Sat Feb 14 07:06:05 PST 2015

Hi Nitinder

Live video streaming can be designed to not require in-order delivery.
Interests can be delivered in any order. Received Data are buffered, and
played out in-order.
See http://named-data.net/publications/e-letter-july13_page6/

Yours, Junxiao

On Sat, Feb 14, 2015 at 6:35 AM, Nitinder Mohan <nitinder1369 at iiitd.ac.in>

> Hi Junxiao,
> Wouldn't this hamper working of multimedia applications that require live
> streaming of data? If the interest for next chunk of data has to wait until
> the earlier chunk has arrived, wouldn't this slow down data transfer rate
> considerably?
> Thanks and Regards
> Nitinder Mohan
> MTech (CE) IIIT Delhi
> http://home.iiitd.edu.in/~nitinder1369/
> On Sat, Feb 14, 2015 at 6:56 PM, Junxiao Shi <shijunxiao at email.arizona.edu
> > wrote:
>> Hi Nitinder
>> NDN network does not guarantee in order delivery. An Interest could also
>> be delivered to the producer multiple times.
>> It's advised that apps are designed to not require in order delivery.
>> If an app requires in order Interest delivery, one choice is to implement
>> stop and wait: consumer sends the next Interest after previous ones are
>> answered.
>> Yours, Junxiao
>> On Feb 14, 2015 3:50 AM, "Nitinder Mohan" <nitinder1369 at iiitd.ac.in>
>> wrote:
>>> Hello All!
>>> A curious question comes to my mind regarding routing strategy in NDN.
>>> Let us assume that there is one consumer and one producer in a network
>>> consisting of myriad of routers. If a consumer issues continuous interests
>>> for different data packets from the same producer, is it guaranteed that
>>> the Interest packets will arrive at producer in the same order as in which
>>> they were published?
>>> I understand that NDN follows multipath routing and later selects paths
>>> from its PIT entry according to performance of returning data. But wouldn't
>>> consecutive interests be sent on the same interface presuming there is no
>>> change in the network.
>>> Thanks and Regards
>>> Nitinder Mohan
>>> MTech (CE) IIIT Delhi
>>> http://home.iiitd.edu.in/~nitinder1369/
>>> _______________________________________________
>>> Ndn-interest mailing list
>>> Ndn-interest at lists.cs.ucla.edu
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