A method and system are disclosed for enabling point-to-point and multicast communication in a multiple access network using three types of communication channels, namely, one or more upstream payload channels, one or more upstream control channels and one or more downstream channels. Each channel illustratively...http://www.google.de/patents/US6370153?utm_source=gb-gplus-sharePatent US6370153 - Method and apparatus for reserving resources of one or more multiple access communication channels
