[ndnSIM] Uplink interface Scheduling between Data and Interest packet

[Junxiao Shi]

Hi Mohammed


> I need help to  under stand how ndnSIM  done the scheduling between the
> Interest and Data packet if the are forwarding to the same interface as
> some paper mention there is separate queue for Interest and data and how
> the scheduling done between these queues nevertheless
>
ndnSIM uses NFD as its forwarding engine. NFD does not have internal
queuing, but simply sends every packet out of the face. TX queuing occurs
outside of NFD.
In standalone (non-ndnSIM) version of NFD, TX queuing would be in the
socket buffer of OS kernel.
In ndnSIM, TX queuing occurs in the ns-3 NetDevice. All network packet
types (Interest, Data, and Nack) share the same queue.

as we know interest packet is smaller comparing to the data packet.
>
With the arrival of Interest Parameters in NDN packet format v0.3, as well
as forwarding hint from two years ago, it’s no longer correct to assume
Interest is smaller than Data.

Yours, Junxiao
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