The Distance Vector Multicast Routing Protocol (DVMRP), defined in RFC 1075, is a routing protocol used to share information between routers to facilitate the transportation of IP multicast packets among networks.
Distance Vector Multicast Routing Protocol (DVMRP — "Протокол дистанционно-векторной многоадресной маршрутизации)" — протокол маршрутизации групповых дейтаграмм для IP сетей.