[ndnSIM] Some Doubt on Interest Forwarding

[madhurima buragohain]

Hi All,

I have seen in NDN related papers that when an interest is arrived in an
NDN node, first cache is checked whether it is already in cache or not. IF
not, then only PIT is checked and inserted if similar request is not
pending.


But, in ndnSIM simulator, I have seen that first interest is checked in PIT
before checking in cache.



" // PIT insert
  shared_ptr<pit::Entry> pitEntry = m_pit.insert(interest).first;"


So, I am confused. Could anyone clear my doubt ??
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