The User Profile Service Web Service Protocol enables a protocol client to retrieve and manage properties that pertain to a specific person or entity within a portal site, and also data in common among users. This protocol also enables a protocol client to manage links, group memberships, and users who have a social networking relationship with another user.
Sections 1.8, 2, and 3 of this specification are normative and can contain the terms MAY, SHOULD, MUST, MUST NOT, and SHOULD NOT as defined in RFC 2119. Sections 1.5 and 1.9 are also normative but cannot contain those terms. All other sections and examples in this specification are informative.