Deploying IPv6 in a datacenter (Was: Awful quiet?)
Michael.Dillon at btradianz.com
Michael.Dillon at btradianz.com
Wed Dec 21 15:33:24 UTC 2005
> 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
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