We introduced the Identity
Metasystem, an abstract model that addresses the common issues
of identity management in full respect of the identity laws.
We have seen how the Identity Metasystem is not an alternative
proposition to today??™s technology, but rather a further level of
abstraction that relies on current systems and facilitates interoperability.
Such a design choice guarantees investment protection
and makes the solution future-proof, gracefully accommodating
yet-to-be invented protocols.
We spent a fair amount of time on the WS-* speci?¬?cations, understanding
their role in the industry and digging into the details
of the standards that are more relevant to the identity space.
Once we gained more practical knowledge of web services, we
were ?¬?nally able to put all the pieces together and de?¬?ne a solid
architecture for the Identity Metasystem model.
Summary 165
After the protocol aspects were all addressed, we de?¬?ned the
role of CardSpace as the user experience designed for empowering
Windows users to be ?¬?rst-class citizens of the Identity
Metasystem.
This chapter concludes Part I of the book, devoted to understanding
the problem we are trying to solve, the solution in its
entirety, and the intended role of CardSpace in the grand
scheme of things.
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