Multicast in the broadband service router

This section describes the multicast protocols employed when a Nokia router is used as a Broadband Service Router (BSR) in a Triple Play aggregation network.

The protocols used are:

• Internet Group Management Protocol (Internet Group Management Protocol)

• Multicast Listener Discovery (Multicast Listener Discovery)

• Source Specific Multicast Groups (Internet Group Management Protocol)

• Protocol Independent Multicast (Sparse Mode) (Protocol Independent Multicast Sparse Mode)