Device Profile Web Services (DPWS) formerly known as Web Services for Devices (WSD) is a very interesting web based standard to enable seamless communication between connected devices. The.NET Micro Framework offers managed support for this technology one can think of as UPnP over web services. Check it out! Starting with version 2.5 the functionality is included and enhanced in beta 3.0. Please be aware that beta 3.0 has some issues with VS 2ßß8 SP1 that will be resolved in the final release.