o future skew Specifies the maximum amount of time that a timestamp can vary from local system time at the server node. This characteristic ensures data consistency. o maximum protocol version Specifies the maximum version of the DECdns clerk/server protocol that this particular DECdns server supports. o minimum protocol version Specifies the minimum version of the DECdns clerk/server protocol that this particular DECdns server supports. o UID Uniquely identifies the entity. o version Specifies the version of the architecture implemented by this server.