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

Claim 11:
12. The system of claim 11, wherein the system further includes the egress node, the egress node comprising:
a) an input interface for receiving the request message, wherein the request message includes information for performing a validity check;
b) at least one processor for
1) Performing a validity check using the information included in the request message to generate validity information, and
2) 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 egress node; and

c) an output interface for sending the reply message towards the ingress node using the forwarding information from the return label stack included in the request message.