[Ndn-interest] The Usage of ApplicaationParameters in the Interest packet

[최강일]

Dear All,


I'm currently studying NDN for apply if to our application which will be used on Push-style Event Delivery System.


According to the ApplicationParameters of Interest Packet NDN Spec. (http://named-data.net/doc/NDN-packet-spec/current/interest.html#applicationparameters),

    - The ApplicationParameters element can carry any arbitrary data that parameterizes the request for Data. The Interest’s name MUST include a Interest parameters digest component to ensure uniqueness and integrity of the parameterized Interest (see Parameters Digest Component section for additional details)


I studied some other usages for ApplicationParameters of Interest and I found "Singed Interest and Command Interest":

    - Redesign Signed Interest and Command Interest to use Parameters( https://redmine.named-data.net/issues/4599#change-24434 )


My understanding for these usages are only for control and management.


My questions are:


1. What's original intension(usage) for "ApplicationParameters of Interest"? Is it limited for control and management only? There's no clear description on it.

2. Can I use "ApplicationParameters of Interest" to carry our Application's data over NDN network?

3. Can I extend Signed Interest(which will include ApplicationParameters) and use "ApplicationParameters of Singed Interest" to carry our Application's data over NDN network?


Thanks in advance.

Best wishes,
Paul Kangil Choi
------------------------------------------------
Principal Researcher
Network Research Division
ETRI, Republic of Korea(South)
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