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Identity Types Use identity tokens lifted from a protocol’s “address space” DNS, Appns, Transport manipulate a “distinguished address” IP functions on “locators” Stack Protocol element performs mapping FQDN as the identity token Is this creating a circular dependency? Does this impose unreasonable demands on the properties of the DNS? Structured token What would be the unique attribute of a new token space that distinguishes it from the above? Unstructured token Allows for self-allocation of identity tokens that may not globally assuredly unique (opportunistic tokens) How to map from identity tokens to locators using a lookup service? Or how to avoid undertaking such a mapping function |