IPv6 and CDN's

Michael Thomas mike at mtcc.com
Sat Nov 27 22:30:13 UTC 2021


On 11/27/21 2:22 PM, Owen DeLong via NANOG wrote:
> Actually, I think it’s in the fine print here…
>
> “Connection setup is 1.4 times faster”. I can believe that NAT adds almost 40% overhead to the connection setup (3-way handshake) and some
> of the differences in packet handling in the fast path between v4 and v6 could contribute the small remaining difference.
>
> I doubt it is due to different connections, since we’re talking about measurements against dual-stack sites reached from dual-stack end-users,
> very likely traversing similar paths.
>
40% in isolation is pretty meaningless. If it's 40% of .1% overall it's 
called a rounding error.

Mike



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