[Nfd-dev] Using Forwarding Hints

[Philipp Moll]

Hi all,

I wonder if there there is any documentation about using ForwardingHints 
available? I think I got an idea how everything works by checking out 
the NFD implementation, but some details are still unclear. Is there 
additional documentation besides the code?

In the NFD code, I saw that the forwarding hint is used by forwarding 
strategies and stripped by the forwarder when the Interest has reached 
the ProducerRegion. I also found that the NetworkRegionTable stores the 
ProducerRegions of the node. It seems that ProducerRegions can be 
configured statically in the ndf.conf file. Is the nfd.conf file the 
only possibility to configure ProducerRegions, or is it possible to 
change it via nfdc as well? Also, when using NLSR, are the 
ProducerRegions advertised, or not?

If there is any additional documentation, or examples available, I would 
appreciate to get some pointers. So far, I only found the hint that 
"Specifics of the forwarding logic for Interests with ForwardingHint 
will be defined in a separated document." on 
http://named-data.net/doc/NDN-packet-spec/current/interest.html , but no 
separated document.

Thanks,
Philipp