ISO/IEC29341-9-10:2008(E) defines a front panel by registering a control point for aspecific user interaction. The external activity service allows the service tocontrol its resources by enabling limited registrations. It also interacts withan associated scan service to address contention issues after a userinteraction has occurred. The series of ISO/IEC 29341 publications defines an architecture for pervasive peer-to-peer networkconnectivity of intelligent appliances, wireless devices and PCs. It isdesigned to bring easy to use, flexible, standards-based connectivity to ad-hocor unmanaged networks whether in the home, in a small business, public spacesor attached to the Internet.