IPv6 and HTTPS

Jay Ashworth jra at baylink.com
Fri Apr 26 01:47:29 UTC 2013


----- Original Message -----
> From: "Chris Adams" <cmadams at hiwaay.net>

> Once upon a time, Jay Ashworth <jra at baylink.com> said:
> > Does anyone know how much IPv4 space is allocated *specifically* to cater
> > to the fact that HTTPS requires a dedicated IP per DNS name?
> >
> > Is that a statistically significant percentage of all the IPs in use?
> 
> I have no numbers, but my gut feeling is that there are a lot more
> eyeballs than web servers with lots of IPs.

Fair point.  Though those are choked behind carriers who may well CGN
them whether the eyeballs like it or not.

> > Wasn't there something going on to make HTTPS IP muxable? How's that
> > coming?
> 
> SNI; RFC 3546
> 
> > How fast could it be deployed?
> 
> The RFC is just shy of 10 years old, so that's like a baby compared to
> IPv6.
> 
> It is mostly deployed, but there's still a fair number of old clients
> that don't support it. WinXP+IE is probably the biggest fail, followed
> by Android < 3.0 and BlackBerry.

When you say "it is mostly deployed", what exactly do you mean?  Is it 
layer 7 or 4?  Does it live in libraries that can be upgraded behind
users' backs?  Or is it actually in the browser proper?  Or are you just 
talking about the server-side of the equation?

Cheers,
-- jra
-- 
Jay R. Ashworth                  Baylink                       jra at baylink.com
Designer                     The Things I Think                       RFC 2100
Ashworth & Associates     http://baylink.pitas.com         2000 Land Rover DII
St Petersburg FL USA               #natog                      +1 727 647 1274




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