Mbone was tunneled, and expanded to native IP multicast to save bandwidth in networks that supported it. Meanwhile current networks use multicast (non routed, granted) all the time for eg service discovery and lower level stuff like finding the MAC address corresponding to a IP address.
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Unfortunately modern routers made multicast unrounable, otherwise, we’d all be using mbone
Mbone was tunneled, and expanded to native IP multicast to save bandwidth in networks that supported it. Meanwhile current networks use multicast (non routed, granted) all the time for eg service discovery and lower level stuff like finding the MAC address corresponding to a IP address.