IETF RFC 8775
PIM Designated Router Load Balancing
| Organization: | IETF |
| Publication Date: | 1 April 2020 |
| Status: | active |
| Page Count: | 18 |
scope:
Abstract
On a multi-access network, one of the PIM-SM (PIM Sparse Mode) routers is elected as a Designated Router. One of the responsibilities of the Designated Router is to track local multicast listeners and forward data to these listeners if the group is operating in PIM-SM. This document specifies a modification to the PIM-SM protocol that allows more than one of the PIM-SM routers to take on this responsibility so that the forwarding load can be distributed among multiple routers.
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