1994: #SunMicrosystems develops SKIP - Simple Key Management for Internet Protocols. SKIP lost out to IPSec in the IETF because (IIRC) it didn't have Perfect Forward Secrecy. A clear case of "perfect" being the enemy of "good" - it took many more years before IPSec had usable key management (or does it yet?). https://docs.oracle.com/cd/E19957-01/805-5743/6j5dvnrfn/index.html #Suntember