Jeff W. Boote wrote:
But, I recognize that there may be other constraints on these identifiers in other spaces. So, I ask - what are those *engineering* constraints?
If the owner is part of the identifier (as I just suggested in my previous mail; e.g. identifier=glif.is:2678), and there is another mapping from owner (glif.is) to phonebook (e.g. https://idc.internet2.edu/ws/status.cgi), then each domain can only have one phone book. In Jeroen's proposal, each identifier is just a string, and there is a direct mapping from identifier to each phone book. So without the intermediate mapping of the identifier to owner to phonebook. The advantage is that a domain can have two phonebooks. E.g. the phonebook for glif.is:2678 may be https://idc.internet2.edu/ws/status.cgi. while the phonebook for glif.is:2679 may be http://glif.is/ws/status.cgi. So Jeroen's proposal is even more flexible. (Jeroen, correct me if I'm wrong) Regards, Freek