[146789] in North American Network Operators' Group
Re: Dynamic (changing) IPv6 prefix delegation
daemon@ATHENA.MIT.EDU (Tim Franklin)
Tue Nov 22 11:49:22 2011
Date: Tue, 22 Nov 2011 16:48:15 -0000 (GMT)
From: Tim Franklin <tim@pelican.org>
To: nanog@nanog.org
In-Reply-To: <8484B33A-061C-494F-9DEB-4F8C1F1E4204@delong.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
>> 3) If you write an application using anything other than UDP or TCP,
>> it won't work on most networks (with some minor exceptions for PPTP
>> and IPSEC, which work sometimes).
>
> This hasn't been my experience unless you're behind some form of NAT.
> Yes, it is well known that NAT breaks most protocols.
I've come across a non-zero number of "residential" providers, who, with or without NAT, explicitly discard protocols 50 and 51. The same argument is applied - if you want this, you must buy a "business" connection. Which is usually double-speak for "add an order of magnitude to the price, turn off *some* of the broken-ness".
Regards,
Tim.
