Commercial speech, however, is less protected by the First Amendment than political speech, and is therefore subject to greater regulation. The Free Press Clause protects publication of information and opinions, and applies to a wide variety of media.
In computer networking, multicast (one-to-many or many-to-many distribution) is group communication where information is addressed to a group of destination computers simultaneously.
1 Multicast-A transmission to a group of interface cards on the network. 2  Broadcast-A transmission to all interface cards on the network. 3  RFC 919 and 922 describe IP broadcast datagrams. 4  Limited Broadcast-Sent to all NICs on the some network segment as the source NIC.