ZyXEL Communications Prestige 2602HWL-D3A Support Manual page 88


Devices: Network devices, such as networking gateways, TV, refrigerators, printers...etc, which
provides services.

Services: Services are provided by devices, such as time services provided by alarm clocks. In
UPnP, services are described in XML format. Control points can set/get services information from
devices.

Control points: Control points can manipulate network devices When you add a new control
point (in this case, a laptop) to a network, the device may ask the network to find UPnP-enabled
devices. These devices respond with their URLs and device descriptions.
UPnP Operations

Addressing:
UPnPv1 devices MAY support IPv4, IPv6, or both. For IPv4, each device should have DHCP
client, when the device gets connected to the network, it will discover DHCP server on network to get an IP
address. If not, then Auto-IP mechanism should be supported so that the device can give itself an IP
address.(169.254.0.0/16)
 Discovery: Whenever a device is added on the network, it will advertise it's a service over the network.
Control point can also discover services provided by devices.

Description: Control points can get more detailed service information from devices' description in XML
format. The description may include product name, model name, serial number, vendor ID, and
embedded services...etc.

Control: Devices can be manipulated by control points through Control message.
All contents copyright (c) 2007 ZyXEL Communications Corporation.
Prestige 2602HWL-D3A Support Notes
88