Windows XP supports the IrDA protocols,
providing connectivity to the Internet and to other networks. Using
Windows XP support for infrared communication, you can connect to the
Internet using a dial-up infrared modem or connect to another
computer through point-to-point connection. You can also connect to
the Internet through a computer and a network access point.
The advantage of using Windows XP for infrared communication is
transparency to the end user.
For dial-up networking, when an infrared device is within range of
another device, Windows XP will automatically install the necessary
device (such as an infrared modem). Two kernel-mode drivers
IrEnum) and an .inf file
(Mdmirmdm.inf) provide this functionality.
For LAN access networking, Windows XP uses the IrNET protocol, which
uses the Point-To-Point (PPP) protocol over the infrared link for