On 8-Jun-07, at 4:21 PM, Drummond Reed wrote: > >>>> Dick Hardt wrote: >>>> >>>> The persistent URL or XRI *is* a master directory. What do you do >>>> when the persistent identifier is compromised, goes out of >>>> business ... >>>> >>>> That is problem B. >>>> >>>> Canonical IDs do not solve B. >>> >>> I completely agree that B is a hard problem. However Canonical IDs >>> solve B >>> if the identifier authority for the Canonical ID follows business >>> and >>> operational practices intended to solve B. >> >> And I think there is a solution that does not require a single, >> central registry. > > Agreed. However XRI as a language for identifier interoperability is a > superset of the portion of XRI that enables native XRI registries, > thus XRI > Canonical ID architecture can be used with any registry providing > persistent, verifiable identifiers (XRIs, URLs, Handles, URNs, etc.) > >> One of the other issues with the registry is it is challenging to >> provide directed identities. > > Agreed that it is challenging for *global* registries to provide > directed > identities. You'd want to drop down one or more levels of delegation.
Still one point of failure from a specific users point of view. _______________________________________________ specs mailing list specs@openid.net http://openid.net/mailman/listinfo/specs
