Patent ID: 11876695
Assignee: JUNIPER NETWORKS, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The computer-implemented method of claim 1 further comprising:
e) receiving, by one of either (A) the egress node, or (B) the transit node, the request message, wherein the request message includes information for performing a validity check;
f) performing a validity check using the information included in the request message to generate validity information;
g) generating a reply message including the validity information and forwarding information including the return label stack that was included in the request message, the return label stack including at least two labels that enable the reply message to reach the ingress node from the one of either (A) the egress node, or (B) a transit node in the path; and
h) sending the reply message towards the ingress node using the forwarding information from the return label stack included in the request message.