Step 2: Description

Items for control points to learn more about a UPnP device and its capabilities. More...

Modules
	Request from control point
	Items for a request of a control point to get a description from a device.
	Description from device
	Items to describe a device for responding to a control points request.

Detailed Description

Items for control points to learn more about a UPnP device and its capabilities.

Description is Step 2 in UPnP networking. Description comes after addressing (Step 0) where devices get a network address, and after discovery (Step 1) where control points find interesting device(s). Description enables control (Step 3) where control points send commands to device(s), eventing (Step 4) where control points listen to state changes in device(s), and presentation (Step 5) where control points may display an html user interface for device(s).

After a control point has discovered a device, the control point still knows very little about the device. For the control point to learn more about the device and its capabilities, or to interact with the device, the control point shall retrieve a description of the device and its capabilities from the URL provided by the device in the discovery message.