4.1.1.1 I-Box Model
The I-box model supports the remote presentation and control of UIS that reside on a server on the Internet (WAN ). the client (oitf) resides within the home domain, and is either non-discoverable and has a built-in "connection setup and control" to perform connection management related operations, or is discoverable by an external so called UPnP remote UI client control point within the home domain that allow the connection management related operations to be controlled by another device. this configuration is depicted in the dimo-below.
4.1.1.1 I-Box Model
The I-box model supports UI display and control on Internet (Public Network) servers. The client (oitf) is located in the home Intranet. It cannot be externally discovered and relies on a built-in "connection settings and control" to complete connection management-related services; it can be externally discovered and used as a remote UI client control point of UPnP on the home Intranet to allow its connection pipe management business to be controlled by other devices. This configuration is shown in: