Documents by J. Melen
2010, RFC5770: Basic Host Identity Protocol (HIP) Extensions for Traversal of Network Address Translators
2011, RFC6078: Host Identity Protocol (HIP) Immediate Carriage and Conveyance of Upper-Layer Protocol Signaling (HICCUPS)
2015, RFC7402: Using the Encapsulating Security Payload (ESP) Transport Format with the Host Identity Protocol (HIP)
2021, RFC9028: Native NAT Traversal Mode for the Host Identity Protocol