privacy
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... Support for Username Privacy ...
... username part in a more
secure manner to increase privacy. In this case, NAIs MAY be
provided in an abbreviated form by omitting the username ...
... username in a secure
manner. In some cases, application-specific privacy mechanism have
also been used with NAIs ...
... of these approaches can protect the realm part, their advantage over
transport protection is that privacy of the username is protected,
even through intermediate nodes ...
... already allow this behaviour, however.
o Username privacy support has been added. Note that NAIs without a
username ...
... NAIs without a
username (for privacy) may not be acceptable to RFC 2486(-> 4282prop)-compliant
nodes ...