US 11,818,141 B2
Path validation checks for proof of security
Craig Thomas Hill, Sterling, VA (US); Sujal Sheth, Ahmedabad (IN); Frank Brockners, Cologne (DE); and Cesar Obediente, Apex, NC (US)
Assigned to CISCO TECHNOLOGY, INC., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on Dec. 9, 2021, as Appl. No. 17/546,492.
Prior Publication US 2023/0188534 A1, Jun. 15, 2023
Int. Cl. H04L 29/06 (2006.01); H04L 9/40 (2022.01); H04L 9/08 (2006.01)
CPC H04L 63/123 (2013.01) [H04L 9/0838 (2013.01); H04L 63/0464 (2013.01); H04L 63/20 (2013.01); H04L 63/205 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A node, the node comprising:
one or more processors; and
one or more computer-readable non-transitory storage media comprising instructions that, when executed by the one or more processors, cause one or more components of the node to perform operations comprising:
determining security validation information that the node associates with a packet, the security validation information comprising one or more proof of security attributes and/or one or more proof of security level attributes;
inserting into the packet an identifier associated with the node and the security validation information that the node associates with the packet;
transmitting the packet comprising the identifier associated with the node and the security validation information that the node associates with the packet.