[Ndn-interest] Question regarding consistency

[Tai-Lin Chu]

You can use "selectors" for data discovery.

http://named-data.net/doc/ndn-tlv/interest.html#selectors

On Mon, Aug 24, 2015 at 6:12 AM, aniesh chawla <chawla.aniesh at gmail.com> wrote:
> Hello Everyone,
>
> I have a very basic doubt which I could not resolve while reading
> documentation of NDN. I would like to also take this as research topic if my
> doubt is valid.
>
> The question is:
> How is the consistency of data maintained in the network? Since, NDN is
> "pull" based networking and lets say there is change in file version at one
> of the node and not in other nodes. I can see the this can be achieved
> through NDNFS, but still the other nodes will not have change in version of
> the file. So, how will the new node who is requesting for that file will get
> to know which version to ask for? If we use NDNS to resolve every such query
> and we use time stamp as version then also it should be propagated
> throughout the network? I also see that Chrono-sync does something like this
> but it has waiting timer for propagation delays. So either NDNS is talking
> to every node in the whole network or some other way.
>
> Is my understanding correct or am I missing something here?
>
> Thanks a lot
>
> Regards
> Aniesh
>
> _______________________________________________
> Ndn-interest mailing list
> Ndn-interest at lists.cs.ucla.edu
> http://www.lists.cs.ucla.edu/mailman/listinfo/ndn-interest
>