STD 78
STD 78 consists of:
RFC 5343 : Simple Network Management Protocol (SNMP) Context EngineID Discovery
RFC 5590 : Transport Subsystem for the Simple Network Management Protocol (SNMP)
RFC 5591 : Transport Security Model for the Simple Network Management Protocol (SNMP)
RFC 6353 : Transport Layer Security (TLS) Transport Model for the Simple Network Management Protocol (SNMP)