In a communications system having a plurality of endpoints each including a logical entity and its physical counterpart, a method for managing a pool of multicast addresses. The method including the steps of: generating a pool of available multicast addresses; receiving a request for a multicast address;...http://www.google.com/patents/US7023813?utm_source=gb-gplus-sharePatent US7023813 - Methods for managing a pool of multicast addresses and allocating addresses in a communications system