The RLK-1 network license key is used when licensed ver ions of Roger software (VISO, RCP Master) are used. Communication with the RLK-1 key is encrypted using the AES128b CBC EtM method. The configuration of the computer network in which the key works and the License Server must ensure the possibility of communication via the TCP/IP protocol. RLK-1 is typically used when installing licensed software on virtual machines.