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One thing I've wondered is how routing will work out in the long term for IPv6. If I recall correctly, IPv6 routing was supposed to be hierarchical based on IS
by unethical_ban 2y ago
One thing I've wondered is how routing will work out in the long term for IPv6.
If I recall correctly, IPv6 routing was supposed to be hierarchical based on ISP and region, and that would help routing tables. But what if companies in the US, for example, buy a /19 and then divide it up and use it across the globe?
I assume routers will have to come with a lot more RAM.
- wmf 2y agoIPv6 routing was supposed to be hierarchical... The Internet gave up on that a while ago. IPv6 routing works like IPv4 where people just advertise whatever routes they want. Router RAM has been fixed with newer HBM-based ASICs supporting millions of routes.
- unethical_ban 2y agoThen making gigantic (less than /32) allocations makes even less sense! If we're not doing that, contiguous address space for orgs is far less important.