公开(公告)号：US20240195735A1

公开(公告)日：2024-06-13

申请号：US18064534

申请日：2022-12-12

Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

Inventor： Tathagata NANDY ,  Chethan Chavadibagilu RADHAKRISHNABHAT ,  Subramanian MUTHUMUKAR

IPC: H04L45/42 ,  H04L12/18 ,  H04L45/24

CPC classification number: H04L45/42 ,  H04L12/185 ,  H04L45/24

Abstract: A programmed network device and corresponding method are provided for rebuilding a multicast state upon experiencing a failure in a network using a protocol independent multicast (PIM) protocol. The method includes receiving updates to an outgoing list (Olist) for a given multicast route (mroute) at the network component and updating a PIM cache Olist in the network component with the received updates. During a state of recovering from the failure, the method includes determining whether the PIM cache Olist matches a centralized database Olist located in a centralized database. When a match is found, the method includes publishing an mroute state from the PIM cache to the centralized database.