<div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:trebuchet ms,sans-serif;font-size:large;color:#073763">Thank you very much for your kind answer.</div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif;font-size:large;color:#073763">Best regards.<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le mar. 30 avr. 2019 à 01:16, Klaus Schneider <<a href="mailto:klaus@cs.arizona.edu">klaus@cs.arizona.edu</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Yeah, if costs are equal it uses some tie-breaker, I think the face-id.<br>
<br>
The best-route strategy will never split up traffic between multiple <br>
faces. If you want that, you should look into the multicast-strategy <br>
(<a href="https://github.com/named-data/NFD/blob/master/daemon/fw/multicast-strategy.hpp" rel="noreferrer" target="_blank">https://github.com/named-data/NFD/blob/master/daemon/fw/multicast-strategy.hpp</a>) <br>
or write your own.<br>
<br>
Best regards,<br>
Klaus<br>
<br>
<br>
On 4/29/19 3:22 PM, Yasmine Belaguid wrote:<br>
> Hello,<br>
> <br>
> Thank you for your reply Sir.<br>
> For the grid topology all costs are apparently equal, so why is it using <br>
> only one path? is it relying on the interface in this case (it takes the <br>
> lowest one which is 0)?<br>
> <br>
> Best regards.<br>
> <br>
> Le lun. 29 avr. 2019 à 03:35, Klaus Schneider <<a href="mailto:klaus@cs.arizona.edu" target="_blank">klaus@cs.arizona.edu</a> <br>
> <mailto:<a href="mailto:klaus@cs.arizona.edu" target="_blank">klaus@cs.arizona.edu</a>>> a écrit :<br>
> <br>
> Hello,<br>
> <br>
> I think you can find the answers to your questions in the NFD Developer<br>
> Guide:<br>
> <a href="https://named-data.net/publications/techreports/ndn-0021-10-nfd-developer-guide/" rel="noreferrer" target="_blank">https://named-data.net/publications/techreports/ndn-0021-10-nfd-developer-guide/</a><br>
> <br>
> On 4/27/19 4:19 AM, Yasmine Belaguid via Ndn-interest wrote:<br>
> > Hello,<br>
> ><br>
> > I am a student at INTTIC (Algeria), I am working on QoS-based<br>
> routing. I<br>
> > have some questions about the best-route forwarding strategy.<br>
> ><br>
> > Since I tried the grid topology with 4 nodes using the best-route<br>
> > strategy I observed that the consumer sends Interests to the<br>
> producer<br>
> > choosing only one route, so my questions are :<br>
> ><br>
> > * For the first time, does the consumer flood Interests to discover<br>
> > the network? or what are the metrics that he uses to choose and<br>
> > calculate this route?<br>
> <br>
> No, the consumer does not flood the first Interest but sends it on the<br>
> shortest path (= lowest cost face).<br>
> <br>
> You can set the link metric in your simulation file (search for<br>
> "metric"<br>
> here <a href="http://ndnsim.net/current/examples.html" rel="noreferrer" target="_blank">http://ndnsim.net/current/examples.html</a>), and the default will<br>
> be 1.<br>
> <br>
> > * The cost used by this strategy is it hop-count?<br>
> <br>
> Yes, if you didn't set any other link metrics.<br>
> <br>
> Best regards,<br>
> Klaus<br>
> <br>
> <br>
> ><br>
> ><br>
> > Thank you!<br>
> > Best regards.<br>
> ><br>
> ><br>
> > Belaguid Milouda Yasmine<br>
> > Student at INTTIC<br>
> ><br>
> > M +213 699 90 73 25 <tel:+213(0)+699+90+73+25><br>
> ><br>
> > E <a href="mailto:yasmine.belaguid@gmail.com" target="_blank">yasmine.belaguid@gmail.com</a> <mailto:<a href="mailto:yasmine.belaguid@gmail.com" target="_blank">yasmine.belaguid@gmail.com</a>><br>
> <mailto:<a href="mailto:yasmine.belaguid@gmail.com" target="_blank">yasmine.belaguid@gmail.com</a> <mailto:<a href="mailto:yasmine.belaguid@gmail.com" target="_blank">yasmine.belaguid@gmail.com</a>>><br>
> ><br>
> > <<a href="http://github.com/yasminebelaguid" rel="noreferrer" target="_blank">http://github.com/yasminebelaguid</a>><br>
> > <<a href="http://www.linkedin.com/in/milouda-yasmine-belaguid/" rel="noreferrer" target="_blank">http://www.linkedin.com/in/milouda-yasmine-belaguid/</a>><br>
> ><br>
> ><br>
> ><br>
> > _______________________________________________<br>
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