olemus
seadmerühma identifitseeriv võrguaadress

täpsemalt:
http://www.tcpipguide.com/free/t_IPMulticastAddressing.htm

https://www.youtube.com/watch?v=xr1u3LUwcek

https://www.slideshare.net/AbhishekKesharwani2/multicasting-and-multicast-routing-protocols-46153750

https://www.tldp.org/HOWTO/Multicast-HOWTO-2.html

vt ka
- multisaade