[Ndn-interest] Network inconsistency and NLSR sequence numbers

[WENTAO SHANG]

On Fri, Aug 23, 2019 at 5:38 AM Viktor S. Wold Eide <
viktor.s.wold.eide at gmail.com> wrote:

> Thanks a lot everyone for answers with information and suggestions.
>
> I'll try to summarize my understanding so far. Please let me know if
> this is (entirely) correct or not.
>
> There are at least three main issues which currently make testing and
> use of nlsr in a dynamic environment hard / difficult and also
> inefficient network-wise.
>

Link state routing is bad for dynamic environment in general. You would
want something like AODV in those use cases.


>
> - nlsr requires backup of sequence numbers (to offline medium in case
>   of re-install).
>

The current implementation is, but could be avoided.


>
> - nlsr requires periodic global synchronized re-start (stop, wait,
>   start) of all nlsr instances in a network, to get rid of old
>   information in nlsr / sync. (nfd can be left running during re-start
>   of nlsr).
>

Where did you get this conclusion from?


>
> - nlsr requires synchronized clocks, that is, global time for correct
>   operation. (nfd does not seem to require global synchronized
>   clocks).
>

Why?


>
>
> Best regards
> Viktor S. Wold Eide
>
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