[Ndn-interest] What is difference between FIB and RIB?

ndn ndn ndn at sqh.me
Sun Jul 19 23:45:40 PDT 2015


The explain is clear,I think I understand it.I will read NFD developer
guide for find more information.
BTW:
if I run command nfdc create or nfd-autoreg,is it means that application
will add a route entry in RIB not FIB.And after that,  FIB was updated by
RIB trigger.
thanks for your reply.

2015-07-20 13:55 GMT+08:00 Spyridon (Spyros) Mastorakis <
spiros.mastorakis at gmail.com>:

> Hello,
>
> I will try to elaborate on this a little bit.
>
> You can think of FIB as the FIB of IP with the following difference:
>
> Instead of IP address prefixes, it contains name prefixes and instead of a
> single outgoing interface, each entry may contain a list of outgoing faces.
>
> RIB stands for “Routing Information Base” and it is mainly populated by
> routing protocols (e.g., NLSR). Technically speaking, RIB can also be
> populated by applications for prefix registration or manually by the
> network administrator.
>
> FIB entries come from RIB entries. That is, FIB updates are triggered by
> RIB updates. The goal is, based on the RIB entries, to create a consistent
> forwarding table. This is done by the RIB management module. One RIB update
> may also generate a number of FIB updates.
>
> For more technical details, I would suggest that you take a look at the
> latest version of the NFD developer guide:
>
>
> http://named-data.net/wp-content/uploads/2015/05/ndn-0021-4-nfd-developer-guide.pdf
>
> --
> Spyridon (Spyros) Mastorakis
> Personal Website: http://cs.ucla.edu/~mastorakis/
> Internet Research Laboratory
> PhD Computer Science
> UCLA
>
>
>
>
> > On Jul 19, 2015, at 7:39 PM, ndn ndn <ndn at sqh.me> wrote:
> >
> > FIB is Forward Information base,I think it just like a route table in IP
> protocol.But I got confused when I see RIB,It seems like FIB.So, What
> difference between them?
> > _______________________________________________
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>
>
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