[ndnSIM] ndnSIM : How simulate Pending Interest Table memory size

[Xee]

Hi Alex
Thanks you so, I just gone through the code.


Rgd,
-Xee
------------------ Original ------------------
From:  "Alex Afanasyev"<alexander.afanasyev at ucla.edu>;
Date:  Feb 2, 2013
To:  "Xee"<1839750381 at qq.com>; 
Cc:  "ndnsim"<ndnsim at lists.cs.ucla.edu>; 
Subject:  Re: [ndnSIM] ndnSIM : How simulate Pending Interest Table memory size



Hi Xee,

I've implemented and pushed to github a new policy for PIT ("ns3::ndn::pit::SerializedSize").   You can check out [examples/ndn-simple-pit-policies.cc] that shows how to enable it.

Basically, it almost exactly the same as default ns3::ndn::pit::Persistent, but you specify size in bytes, not in number of packets (size based on Interest size, without considering any additional overhead):  wen size limit is reached, new interests will be rejected.

You can run with NS_LOG=ndn.pit.PitImpl  to see some debugging logging from the policy.   Let me know if something is not working as it should, or you want some other behavior.

Sincerely,
Alex

On Feb 1, 2013, at 7:09 PM, Xee <1839750381 at qq.com> wrote:

> Hi
> I need to know how can I simulate the memory size of pending interest table ? I have gone through the available function but it give the number of entries in the pending interest table. How can I get the memory size of PIT in Kb/Mb? because every interest may have different size. 
> 
> Please help me to simulate my scenario.
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