Today you don??™t have different
browser executables for every conceivable protocol, and the same can be said
for every network-enabled application. The ultimate proof of the soundness of
the approach is the grace with which Wi-Fi, a protocol that was not even invented
at the time of the creation of TCP/IP, was integrated into software systems.
Again, the code that makes your browser tick is exactly the same whether
your laptop is connected to an Ethernet cable or your traf?¬?c rides radio waves.
This is the promise of agility and future-proof robustness that the Identity
Metasystem brings to the world of authentication schemas.
much as possible the usage of many of the loaded terms that
you ?¬?nd in the literature. It was not easy, but we hope that this
model favors the unbiased understanding of the new ideas we
are discussing.
114 Hints Toward a Solution
It is now time to de?¬?ne more rigorously some of the terms we
have been using loosely and substitute some of the words we
used with speci?¬?c identity-related terminology. We will not give
all the de?¬?nitions here, but we will keep introducing new concepts
as appropriate throughout the rest of the book. For
example, the de?¬?nition of subjectis delayed until the section
???Roles in the Identity Metasystem,??? where the context is ideal to
understand its function and importance.
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