> > Meta-Data: I probably missed some discussions (sorry!) but what data > > would this be? > > As I tried to clarify in my response to Tom the meta-data discussion in the > IETF > was mostly about vendor-specific service meta-data, but perhaps this term is > being used for more general extensibility? > > I think there should be ways to add better assurance (checksum, keyed > hashes) for the NVO3 header. But perhaps that can be in fixed fields in a > fixed > length header. > > In terms of the overall architecture there is a desire to carry some service > meta-data with frames. The sfc WG is thinking about doing that using a > separate > NSH header.
The NSH header pursued in the SFC WG contains not only metadata but also service function chain/path info. I wonder whether the SFC is the only application scenario of metadata. If no, it seems better to decouple metadata and the SFC/SFP info. Best regards, Xiaohu _______________________________________________ nvo3 mailing list [email protected] https://www.ietf.org/mailman/listinfo/nvo3
