Is IPv6 multicast adoption by Internet exchanges and ISP's likely for Bitcoin? #88
robinsmith3
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This is a commercial challenge, not a technical one.
The Internet has never turned on Multicast for interdomain traffic, because there was never a viable business case for it. Many times it has been requested over the past 30 years. But the case was never convincing. Until, perhaps, now.
So how will they need convincing this time:
Perhaps by starting out unicast transit as it is today because the host and network load is still relatively low, and ramping up over time will create the demand to activate the resources needed to do the convincing.
Isn't this leaving things rather up in the air though? And to leave this question virtually unattended while forging ahead with Teranode in a vacuum, risks having to roll back a hell of a lot of costly hard work at a later stage, due to unintended consequences.
There is a new protocol already in some suppliers software called BIER. This helps with most of the road blocks but is not yet soaked in general and still largely Beta.
"Bit Indexed Explicit Replication (BIER) architecture allows optimal forwarding of multicast packets without requiring a legacy multicast protocol to build multicast trees or for intermediate routers to maintain any per-multicast flow state."
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