Rapidly emerging as the recommended way to build large-scale net-VEs over
the Internet
Provides:
desirable network efficiency
allows the net-VE to partition different types of data by using multiple
multicast addresses
Using a well-known multicast address, net-VE participants can announce their
presence and learn about the presence of other participants
Also an appropriate technique for discovering the availability of other net-VE
resources such as terrain servers
These features make multicasting desirable even for LAN-based net-VEs.