Oipf standard translation (DAE) -- 4.1.1.2 2-box model, 4.1.1.3 3-Box Model

4.1.1.2 2-Box Model
The 2-Box Model describes a configuration in which the server is discoverable in the home network. Since the client
Is not discoverable, it must have a UPnP control point in order to be functional in the network to be able to discover
An Ag device description (as defined in Section 10 of [Prot]), or a remote UI server description as described in
Section 5.1 of [CEA-2014-A].

 

4.1.1.2 2-Box Model

The 2-Box Model describes a configuration in which a server in the home Intranet is discoverable. The client must contain an UPnP control point, description used to enable the network to discover Ag devices (defined in Part 1 of [Prot) or you may find a description of a remote UI server, as described in section 5.1 of CEA-2014-A ).

 

 

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4.1.1.3 3-Box Model
When both the remote UI server and the remote UI client are discoverable, the configuration can be described
The 3-box UI model. This configuration has no restriction on the location of the UPnP control point for the Discovery
And connection management, as specified strated in the dimo-below.

 

4.1.1.3 3-Box Model

If the remote UI server and remote UI client are both discoverable (accessible), this configuration is described in the 3-box model. This configuration does not limit the UPnP Control Point discovery and connection management location, as shown in the following figure.