Documents by D. Zhang
2011, RFC6311: Protocol Support for High Availability of IKEv2/IPsec
2013, RFC6863: Analysis of OSPF Security According to the Keying and Authentication for Routing Protocols (KARP) Design Guide
2014, RFC7210: Database of Long-Lived Symmetric Cryptographic Keys
2014, RFC7211: Operations Model for Router Keying
2015, RFC7652: Port Control Protocol (PCP) Authentication Mechanism