[ndnSIM] How to forward interest to specific node

John Bennedict Lorenzo kzer95 at gmail.com
Sat Apr 15 20:27:54 PDT 2017


Hello Lixia,

I want to specify a specific Mac address when sending through a face even
though I know WiFi is inherently broadcast. This way, the packets are
filtered in a lower layer before it reaches the ndn layer.

On Sun, Apr 16, 2017, 6:16 AM Lixia Zhang <lixia at cs.ucla.edu> wrote:

> On Apr 14, 2017, at 9:39 AM, John Bennedict Lorenzo <kzer95 at gmail.com>
> wrote:
>
> Thanks Spyridon,
>
> I've looked at the code in the mobile simulation package but it looks like
> the v2v example (I assume this is what I should be looking at) is still
> using broadcast strategy. I'm already able to simulate mobility and adhoc
> wifi in my simulation.
>
> I'm still looking for a way to build the FIB dynamically as adhoc nodes
> come and go, then build unicast faces to them. The unicast ethernet team's
> code is not available in github so I'm not able to look into that.
>
> What I tried is to build the fib when the interest is about to be
> satisfied and add the face where it received the data. But that only adds
> the broadcast face again. It would be very helpful if someone has tried
> implementing unicast faces in adhoc wifi.
>
>
> I’m trying to get a better understanding of your need: in ad hoc scenario,
> things change dynamically, how would a unicast face (nailing down a
> specific receiving node) be that useful?  the forwarder may/may not know
> whether the named node just moved at that exact moment (or did I miss
> something here?)
>
> wifi channel is broadcast by nature. in broadcast, the decision logic is
> at the receiving end, whether a node hearing a packet should do something
> about it
>
> On Tue, Apr 11, 2017 at 11:12 AM, Spyridon (Spyros) Mastorakis <
> mastorakis at cs.ucla.edu> wrote:
>
>> Hi John,
>>
>> as Lixia has mentioned already, we implemented a couple of mobile
>> scenarios (both ad hoc and including a base station) as a project of the
>> latest NDN hackathon. You can find the code and the commits here:
>>
>> https://github.com/4th-ndn-hackathon/ndnSIM-Mobile-Simulation-Package
>>
>> Hope this helps,
>>
>> Spyridon (Spyros) Mastorakis
>> Personal Website: http://cs.ucla.edu/~mastorakis/
>> Internet Research Laboratory
>> Computer Science Department
>> UCLA
>>
>> On Apr 10, 2017, at 11:22 AM, John Bennedict Lorenzo <kzer95 at gmail.com>
>> wrote:
>>
>> Hello, I've setup my network have a few nodes on adhoc wifi that are
>> moving around. I made a custom strategy to enable forwarding to the same
>> face where the interest was received from (since there is only one face,
>> wifi). Is it possible to forward to a specific node that's reachable via
>> wifi? I don't see any way to do this via FIB or by manually enumerating the
>> faces. Thanks!
>>
>>
>>
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