US 11,695,778 B2
Security redundancy
Jun Hu, San Jose, CA (US); and John Coffell, Kanata (CA)
Assigned to NOKIA SOLUTIONS AND NETWORKS OY, Espoo (FI)
Filed by NOKIA SOLUTIONS AND NETWORKS OY, Espoo (FI)
Filed on Dec. 23, 2020, as Appl. No. 17/132,470.
Prior Publication US 2022/0201005 A1, Jun. 23, 2022
Int. Cl. H04L 9/40 (2022.01)
CPC H04L 63/105 (2013.01) [H04L 63/0485 (2013.01); H04L 63/1425 (2013.01); H04L 63/18 (2013.01); H04L 63/20 (2013.01)] 22 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
at least one processor; and
at least one memory storing instructions which, when executed by the at least one processor, cause the apparatus to at least:
determine, by a security node for a redundancy domain including the security node and one or more other security nodes, an administrative role of the security node within the redundancy domain and a runtime role of the security node within the redundancy domain;
perform, by the security node based on interaction with at least one of the one or more other security nodes for a secure channel associated with a client device and having secure channel state information associated therewith, a process for synchronizing at least a portion of the secure channel state information; and
perform, by the security node, a process for causing traffic of the client device to be attracted to an active security node of the redundancy domain that is configured to provide security for communications of the client device based on the at least a portion of the secure channel state information.