US 12,470,470 B2
Load balancing and OAM in service function chaining using multiprotocol label switching
Gregory Mirsky, Pleasanton, CA (US); and Yao Liu, Shenzhen (CN)
Assigned to ZTE Corporation, Shenzhen (CN)
Filed by ZTE Corporation, Guangdong (CN)
Filed on Feb. 3, 2023, as Appl. No. 18/164,301.
Application 18/164,301 is a continuation of application No. PCT/CN2020/116709, filed on Sep. 22, 2020.
Prior Publication US 2023/0188449 A1, Jun. 15, 2023
Int. Cl. H04L 43/106 (2022.01); H04L 47/125 (2022.01)
CPC H04L 43/106 (2013.01) [H04L 47/125 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A packet processing method, comprising:
processing a packet comprising a payload and a plurality of labels based on presence of an indicator label for indicating that the packet is a test packet, in the plurality of labels;
upon determination that the indicator label is present indicating that the packet is a test packet, continuing processing of the packet without passing the packet to a destination; and
upon determination that the indicator label is not present to indicate that the packet is not a test packet, passing the packet to the destination.