In
a homogeneous IT infrastructure or at least where
a single user entity authentication scheme exists
or where user database is centralized, single sign-on
is a visible benefit. All users in this infrastructure
would have one or single authentication credentials.
E.g. say in an organization stores its user database
in a LDAP database. All Information processing systems
can use such a LDAP database for user authentication
and authorization, which in turn means single sign-on,
has been achieved organization wide.
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