Multicast IP addresses are class D addresses that fall within
two ranges: 224.0.0.0 through 239.255.255.255 and
FF00:0000:0000:0000:0000:0000:0000:0000 through
FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF. The addresses in the first
range are Internet Protocol version 4 (IPv4) addresses, which is
the current version of the Internet Protocol. The addresses in the
second range are IPv6 addresses, which is the new version of the
protocol. For more information about implementing IPv6 addresses on
your server, see Windows Help and Support.
For intranet use, it is recommended that you use IPv4 addresses
in the range 239.*.*.*. Port numbers
can range between 1 and 65535. The routers on the network over
which you are transmitting your content must be multicast-enabled,
meaning that they must be able to interpret class D addresses or
they will not be able to forward your multicast information to
clients.
Note
Multicast streaming and the WMS Multicast Data
Writer plug-in are available only if Windows Media Services 9
Series is running on the following editions of the operating
system: Windows Server 2003, Enterprise Edition and Windows Server
2003, Datacenter Edition. If you are running Windows Server 2003,
Standard Edition, these features are not supported.
Note