Patent ID: 11871238
Assignee: DELL PRODUCTS L.P.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 14:
15. A multicast system comprising:
one or more candidate Rendezvous Points (C-RPs), each C-RP configured to send an advertisement message comprising group-to-RP mapping information of the C-RP with an advertisement interval; and
an elected bootstrap router (E-BSR) communicatively coupled to the one or more C-RPs to receive advertisement messages to form or update an RP set, the E-BSR configured to:
compare each received advertisement message to a corresponding previous advertisement message sent by a same C-RP in a last advertisement interval for difference identifying, and
in response to no difference identified for any advertisement messages, broadcast, to one or more multicast routers coupled to the E-BSR in the multicast system, a bootstrap message (BSM) with a BSM header and no information for the RP set, the BSM header comprising a first flag with a value indicating no change to the RP set; and
in response to difference identified for any advertisement messages, update the RP set and broadcast, to one or more multicast routers coupled to the E-BSR in the multicast system, a BSM with a BSM header and at least updated sections in the RP set, the BSM header is incorporated with a first flag with a value indicating change occurred to the RP set.