[Nfd-dev] Handling new content in app for pending interest in NFD

[Anil Jangam]

On Mar 30, 2015 11:08 AM, "Dehart, John" <jdd at wustl.edu> wrote:
>
>
> Is there any harm in it pushing the data out without knowing for sure if
the
> Interest is still active?
>
If data is so critical, can the Interest be refreshed proactively before it
expires?

/anil

> John
>
>> On Mar 30, 2015, at 1:05 PM, Burke, Jeff <jburke at remap.ucla.edu> wrote:
>>
>>
>>
>>>
>>>
>>> On Mon, Mar 30, 2015 at 10:28 AM Burke, Jeff <jburke at remap.ucla.edu>
wrote:
>>>>
>>>>
>>>> Hi folks,
>>>>
>>>> We are facing this scenario in a few applications:
>>>>
>>>> 1) Interest received by NFD, passed to an application
>>>> 2) Application not able to respond to interest, so interest stays in
NFD PIT
>>>> 3) Some time passes, but not enough for the Interest to expire
>>>> 4) Application generates data (e.g., from a sensor reading) that would
answer the Interest in the NFD PIT
>>>>
>>>> Question: How does app know to inform NFD it has the data after step
4, and how should it do that?
>>>>
>>>> - In this type of app, should it push the data unsolicited to the NFD
and let it decide if there is something to do?
>>>
>>>
>>> In my opinion, as long as the application is certain that the Interest
has arrived and is stored in NFD's PIT, it can just push the data out to
NFD.
>>
>>
>>
>> How certain does it have to be?  There is a chance it could have
expired...
>> jeff
>>
>>
>>
>>
>>
>>>
>>> Wentao
>>>
>>>>
>>>> - Is it recommended to implement an application-level PIT so the app
is sure this data is solicited?  (Why add another PIT?)
>>>>
>>>> Thank you,
>>>> Jeff
>>>>
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>>
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>
>
>
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