[87470] in North American Network Operators' Group
Re: Deploying IPv6 in a datacenter (Was: Awful quiet?)
daemon@ATHENA.MIT.EDU (Michael.Dillon@btradianz.com)
Wed Dec 21 10:31:42 2005
In-Reply-To: <0631BE75-63DC-4C24-A76F-A939E10222A1@dragondata.com>
To: nanog@nanog.org
From: Michael.Dillon@btradianz.com
Date: Wed, 21 Dec 2005 15:33:24 +0000
Errors-To: owner-nanog@merit.edu
> 8) Once we got everything on the network and server side ready for
> and usable on IPv6 we discovered that a lot of our client's
> applications just had no idea what to do with IPv6 connections. Many
> PHP applications broke because they expected $_SERVER['REMOTE_ADDR']
> to fit within 15 characters at most. Databases had to have their
> columns widened (if they were storing the address as text), or
> functionality had to be rewritten if they were storing IPs as 32 bit
> integers. Web server log analyzers claimed that the log was
> "corrupted" if it had an IPv6 address in it. Lots and lots of
> application logic just wasn't IPv6 aware at all, and either had
> serious cosmetic problems with displaying IPv6 addresses, or simply
> didn't work when an IPv6 address was encountered.
Just imagine what it will be like if the idea of
sticking a decimal point into 32 bit AS numbers
ends up getting deployed.
--Michael Dillon
