[Mini-NDN] sending interest of a file to a specific node

Ashlesh Gawande (agawande) agawande at memphis.edu
Mon Nov 19 09:04:40 PST 2018


Okay, default should be 10 ms.

/sepehr prefix for Interest is normal, do you see any Data packets?

Can you check if all the nfdc cs commands execute successfully? Also look at NFD logs to see errors.

Ashlesh

On 11/19/18 10:45 AM, sepehr abdous wrote:
Hello

yes I am pretty sure.

I observed the data in the dump files that I created using ndndump and the /sepehr prefix appears in the 'g' dump file.
I specified no delays for the links so its probably 0.

Best,
Sepehr

On Mon, Nov 19, 2018 at 8:08 PM Ashlesh Gawande (agawande) <agawande at memphis.edu<mailto:agawande at memphis.edu>> wrote:

Are you sure it is coming from g? Where did you observe the data? What are the delays on the links?

Ashlesh

On 11/17/18 10:46 AM, sepehr abdous wrote:
Hello Ashlesh
I have written an experiment which runs the following commands on the topology : a -- b -- c -- d -- e -- f -- g

Running Command: a: echo "sepehr sepehr" > sepehr
Running Command: g: echo "sepehr sepehr" > sepehr
Running Command: a: ndnputchunks ndn:/sepehr < sepehr &
Running Command: g: ndnputchunks ndn:/sepehr < sepehr &
Running Command: a: nlsrc advertise /sepehr
Running Command: g: nlsrc advertise /sepehr
Running Command: a: nfdc cs config admit off
Running Command: b: nfdc cs config admit off
Running Command: c: nfdc cs config admit off
Running Command: d: nfdc cs config admit off
Running Command: e: nfdc cs config admit off
Running Command: f: nfdc cs config admit off
Running Command: g: nfdc cs config admit off
Running Command: g: nfdc cs config serve off
Running Command: f: nfdc cs config serve off
Running Command: e: ndncatchunks -d iterative ndn:/sepehr

But still the data comes from 'g' while it is expected to come from a as the serve for 'g' and 'f' is off.

any ideas?

Best,
Sepehr

On Fri, Nov 16, 2018 at 3:53 AM Ashlesh Gawande (agawande) <agawande at memphis.edu<mailto:agawande at memphis.edu>> wrote:

Turn off cache on the intermediate nodes (nfdc cs serve off)?

Ashlesh

On 11/15/18 1:44 AM, sepehr abdous wrote:
Hello all,
Lets say I have a topology like a -- b -- c -- d -- e -- f where both nodes 'a' and 'f' have cached the file F1.
If node 'e' sends a interest for F1 most of the times 'f' is the one which sends it F1.

Is there any way so that 'e' be able to request F1 only from 'a' and not all nodes which have cached F1?

Best,
Sepehr



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--
Sepehr Abdous
Faculty: abdous at ce.sharif.edu<mailto:abdous at ce.sharif.edu>
Yahoo mail: sepehrabdous at yahoo.com<mailto:sepehrabdous at yahoo.com>
Cellphone:+989129751873
School of computer engineering
Sharif University of Technology
Tehran, Iran


--
Sepehr Abdous
Faculty: abdous at ce.sharif.edu<mailto:abdous at ce.sharif.edu>
Yahoo mail: sepehrabdous at yahoo.com<mailto:sepehrabdous at yahoo.com>
Cellphone:+989129751873
School of computer engineering
Sharif University of Technology
Tehran, Iran
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