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This document describes the architecture, protocol, and data model that builds an intelligent User Services Platform. It is targeted towards application developers, application service providers, CPE vendors, consumer electronics manufacturers, and broadband and mobile network providers who want to expand the value of the end users network connection and their connected devices.

 This document describes:

• The overall architecture of USP Agents, Controllers, and service elements
• The proxy mechanisms for addressing non-USP service elements
• Requirements for the transport protocol used to handle USP messages, and defined bindings for specific protocols.
• The various USP messages, their requirements, and expected behavior patterns, along with on-the-wire encoding of USP messages
• The protocol requirements for discovery, end-to-end security, authentication, and authorization
• An explanation of the data model and how it is used to enable USP, service elements, proxying, and object defined operations

The objects necessary to implement USP are described in the Device:2 data model of the CPE WAN Management Protocol, (CWMP).