On: I Bought a Book About the Internet from 1994 and N...

[jandrese]

The subscriber end...and the goddamn Internet backbone. You can't route multicast across the core, which is a huge impediment to its adoption.

There was a vicious circle where the core didn't do multicast so the big iron routers didn't put multicast support in hardware, which made it impossible to support multicast on the core...