[Ndn-interest] Forwarding states impact on FIB

Muhammad Hosain Abdollahi Sabet mhasabet at gmail.com
Tue Sep 20 21:17:37 PDT 2016


Thanks. Taking NLSR as an example, how does it react to link failure
technically? I'm not much of familiar with nlsr api and don't know what to
look for.


On 21 Sep 2016 5:08 am, "Lan Wang (lanwang)" <lanwang at memphis.edu> wrote:

> Sabet,
> The answer depends on the routing protocol.  I assume RED means the link
> corresponding to the face is physically down.  A typical dynamic routing
> protocol is likely to remove that face from the associated entry after the
> face remains RED for a period.  But a static routing protocol that doesn’t
> react to link failures will not.
> Lan
> On Sep 20, 2016, at 5:57 PM, Muhammad Hosain Abdollahi Sabet <
> mhasabet at gmail.com> wrote:
> Hi everyone,
> Regarding face colors(GREEN, YELLOW and RED) and their impact on *routing,
> *I wonder if there is any relation between those two. I know colors are
> taken into account by forwarding plane while FIB entries are taken care of
> by routing plane. My question is: If a face remains RED for a period, is it
> going to be an update in FIB with regard to delete that face from its
> associated entry? Since updating FIB typically comes from RIB, then I guess
> for such an update routing protocol should decide.
> Thanks,
> Sabet
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