>> At another level it's nothing more than exchanging SAML for some
>> session token. But it's happening within the framework of a standard
>> which is good for interoperability.
>
> I suppose so, but cookies predate OAuth, and are simpler, and a session
> based on TLS is much stronger than either of them.
No argument there.
>> The token is both issued and consumed by the same party (in the most
>> common use case anyway) and it is opaque to the client so it can
>> contain whatever that entity deems necessary in whatever format makes
>> the most sense for it.
>
> I don't think the token is consumed by the issuer when you split off the
> token issuer.
Not the issuer itself, true, but the controlling organization of both
the issuer and the service. So the format must be standardized
within that domain but not a standard in the sense of an OASIS or IETF
standard.
> That demands a standard format, and now we're deep into the
> idiotic arguments about XML vs JSON, and I'm not going there.
I've got no interest in going there.