CPC H04L 41/0806 (2013.01) [H04L 41/0668 (2013.01); H04L 45/745 (2013.01); H04L 47/10 (2013.01); H04L 47/125 (2013.01); H04L 47/724 (2013.01); H04L 61/2592 (2013.01); H04L 61/5007 (2022.05); H04L 45/50 (2013.01)] | 12 Claims |
1. A method comprising:
receiving, by an egress network device of a plurality of network devices of an Internet Protocol (IP) network, a path signaling message to establish a first IP path from an ingress network device of the IP network to the egress network device, wherein the path signaling message includes a record route object to record the plurality of network devices that establish the first IP path;
determining, by the egress network device and based on the record route object, that the first IP path includes a shared sub-path with a second IP path to the egress network device;
generating, by the egress network device and based on determining that the first IP path includes the shared sub-path with the second IP path, a path reservation signaling message including an IP address of the egress network device selected from a set of IP addresses and assigned to the first IP path and the second IP path; and
sending, by the egress network device, the path reservation signaling message to a network device of the plurality of network devices that is along the shared sub-path of the first IP path and the second IP path to cause the network device to configure a shared forwarding state for the first IP path and the second IP path and to forward, without using Multi-Protocol Label Switching, a packet encapsulated with the IP address of the egress network device on the shared sub-path toward the egress network device.
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