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

[Wentao Shang]

On Mon, Mar 30, 2015 at 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?
>

Actually I don't think there is any problem with that either...

Wentao


>
>  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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