Configuring Ip Multicast Routing; Overview - Motorola BSR 2000 Configuration And Management Manual

Configuring IP Multicast

Overview

The IP multicast routing environment allows a host to send packets to a group of hosts
called group members. Multicast packets delivered to group members are identified
by a single multicast group address and use best-effort reliability.
Hosts can be both senders and receivers. Any host, regardless of whether it is a
member of a group, can send to a group. However, only the members of a group
receive the message. A multicast address is chosen for the receivers in a multicast
group. Senders use that address as the destination address of a datagram to reach all
members of the group.
Multicast group membership is active; hosts can join and leave at any time. There is
no restriction on the location or number of members in a multicast group. A host can
be a member of more than one multicast group at a time.
How active a multicast group is and what members it has can vary from group to
group and from time to time, and a multicast group can be active for long or brief time
periods. Group membership can change constantly and have inactive members.
526360-001-00 Rev. B MGBI
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Routing
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