a method for communicating with multiple network nodes is provided in which each node of a network has a wireless link that allows data to travel to and from the nodes in parallel , thereby taking advantage of the inherent broadcast capabilities of wireless media . the wireless link may be used in parallel with a point - to - point , land - based network linking the nodes . the method may be used for multicasting or broadcasting data on a network . specifically , the method may be used to maintain a network cache , a routing database and quality of service in a manner that is more efficient and reliable than previous methods that use serial protocols over point to point network links .