[148051] in North American Network Operators' Group
Re: Misconceptions, was: IPv6 RA vs DHCPv6 - The chosen one?
daemon@ATHENA.MIT.EDU (Iljitsch van Beijnum)
Fri Dec 30 15:58:24 2011
From: Iljitsch van Beijnum <iljitsch@muada.com>
In-Reply-To: <4EFC611E.70601@necom830.hpcl.titech.ac.jp>
Date: Fri, 30 Dec 2011 21:57:17 +0100
To: Masataka Ohta <mohta@necom830.hpcl.titech.ac.jp>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 29 Dec 2011, at 13:46 , Masataka Ohta wrote:
> we must assume MTU of 1280B. But, as IPv6 extension headers can
> be as lengthy as 1000B or 2000B, no applications are guaranteed
> to work over IPv6.
As IP is an unreliable datagram service, there are no guarantees, =
period.
The presence of firewalls also removes any guarantees left in place =
after the previous point.=
