Let's Focus on Moving Forward Re: V6 still not supported

Masataka Ohta mohta at necom830.hpcl.titech.ac.jp
Thu Mar 31 15:45:30 UTC 2022

Vasilenko Eduard via NANOG wrote:

> IMHO: IETF is only partially guilty. Who was capable to predict in
> 1992-1994 that:
> - Wireless would become so popular (WiFi is from 1997)

IP mobility WG of IETF was formed in 1992.

> - Hardware forwarding (PFE) would be invented (1997) that would have
> a big additional cost to implement Enhanced Headers

Optional IPv4 headers was considered harmful, IIRC before 1992,
which has nothing to do with TCAM.

> - Encryption would never have a small enough cost to make it
> mandatory

Cost of encryption is small enough. The problem is to securely
share keys, for example, between a source and a router to let
the router generate secure ICMP.

> - Router would be available in every smallest thing that makes
> distributed address acquisition redundant (hi SLAAC)

Local router is always available for a network with two
or more links, which was why SLAAC were a good idea.

> We should be fair

You should.

						Masataka Ohta

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