Re: Misconceptions, was: IPv6 RA vs DHCPv6 - The chosen one?

[Iljitsch van Beijnum <iljitsch () muada com>]

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.