US 12,294,528 B2
Resource reservation protocol resource notification messages
Vishnu Pavan Beeram, Hyderabad (IN); and Chandrasekar Ramachandran, Bangalore (IN)
Assigned to Juniper Networks, Inc., Sunnyvale, CA (US)
Filed by Juniper Networks, Inc., Sunnyvale, CA (US)
Filed on Jun. 28, 2023, as Appl. No. 18/343,598.
Claims priority of application No. 202341016014 (IN), filed on Mar. 10, 2023.
Prior Publication US 2024/0305582 A1, Sep. 12, 2024
Int. Cl. H04L 47/72 (2022.01); H04L 47/70 (2022.01)
CPC H04L 47/72 (2013.01) [H04L 47/825 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving, by a non-ingress node of one or more label-switched paths (LSPs), resource notification request information that includes a notification-requester stack,
wherein the notification-requester stack includes an identifier of an ingress node in a top position of the notification-requester stack;
identifying, by the non-ingress node, a resource issue event;
identifying, by the non-ingress node and based on identifying the resource issue event, one or more notification-requester stacks, that include the notification-requester stack, and that is included in a data structure;
generating, by the non-ingress node, one or more resource notification messages that each include a respective notification-requester stack of the one or more notification-requester stacks; and
sending, by the non-ingress node and to each node in top positions of the one or more notification-requester stacks, the one or more resource notification messages.