[Ndn-interest] [jndn] Remote prefix registration (#6)

Bassem Labib bassem.labib at gmail.com
Wed Feb 25 08:26:51 PST 2015

Hi Junxiao,

Actually I am surprised when you said: *'jndn currently supports localhost
prefix registration only.'*

So, how can I implement the clients to do prefix registration and sharing
the files between each other?
Is there any solution to let external/non-local machines to make the
On the other hand, does the same happend for express Interest too?

Please advice.

Best Regards,
Bassem Labib

On Wed, Feb 25, 2015 at 5:16 PM, Junxiao Shi <shijunxiao at email.arizona.edu>

> Hi Bassem
> jndn currently supports localhost prefix registration only.
> NFD treats loopback address as localhost. is not a loopback
> address despite that it's on same machine.
> A localhost registration, when sent to a non-local face, will be silently
> rejected.
> It's intentional for NFD to interpret non-loopback address of same machine
> as non-local, otherwise proxy app for new socket type or wire format
> won't be able to create a non-local face without requiring a separate
> machine.
> Yours, Junxiao
> On Feb 25, 2015 8:06 AM, "Bassem Labib" <bassem.labib at gmail.com> wrote:
>> Hi Jeff,
>> While I'm testing the jndn to register a Prefix using
>> *TestPublishAsyncNfd.java* under *test* package, It works fine and
>> register the "/testecho" prefix successfully only when using the default
>> host Face or using "localhost" and loop back address "", *but*
>> when using the IP address assigned to the same machine as ""*
>> it didn't work (Timeout)* and I notes it registers on *NDNx* and print
>> out the following:
>> Register prefix  /testecho
>> Feb 25, 2015 4:40:45 PM net.named_data.jndn.Node$RegisterResponse
>> onTimeout
>> INFO: Timeout for NFD register prefix command. Attempting an NDNx
>> command...
>> Feb 25, 2015 4:40:49 PM net.named_data.jndn.Node$NdndIdFetcher onTimeout
>> INFO: Register prefix failed: Timeout fetching the NDNx ID
>> Register failed for prefix /testecho
>> please help, I need an explain this situation.
>> Best Regards,
>> Bassem Labib
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