olemus
IP-aadress, mis on seotud mitte füüsilise seadmega, vaid teenuse või rakendusega
= an IP address that is not bound to a specific physical network interface or device but is instead associated with a service or application

ülevaateid
https://en.wikipedia.org/wiki/Virtual_IP_address
https://medium.com/@doshilakshita7/virtual-ip-address-6b271b389099
https://www.gomitec.com/Forms/Speakers%20Presentations/Fant%20Steele%20VT445_4_VirtualIP.pdf