Network architectures or network communication protocols for network security: using different networks

Official title: {using different networks or channels, e.g. using out of band channels (cryptographic mechanisms or cryptographic arrangements for key distribution involving distinctive intermediate devices or communication paths H04L9/0827; cryptographic mechanisms or cryptographic arrangements for authentication using a plurality of channels H04L9/3215)}

H04L63/18 (Network architectures or network communication protocols for network security: using different networks) appears on 3,249 US grants and 3,796 published applications in this corpus.