[Ndn-interest] The best-route strategy

[Yasmine Belaguid]

Thank you very much for your kind answer.
Best regards.

Le mar. 30 avr. 2019 à 01:16, Klaus Schneider <klaus at cs.arizona.edu> a
écrit :

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