[82345] in North American Network Operators' Group
Re: OMB: IPv6 by June 2008
daemon@ATHENA.MIT.EDU (Randy Bush)
Tue Jul 12 21:21:34 2005
From: Randy Bush <randy@psg.com>
Date: Tue, 12 Jul 2005 15:21:05 -1000
To: Phillip Vandry <vandry@TZoNE.ORG>
Cc: Iljitsch van Beijnum <iljitsch@muada.com>,
NANOG list <nanog@merit.edu>
Errors-To: owner-nanog@merit.edu
> With G.711 and 20ms voice samples, with IPv4 you get:
>
> 20 bytes IP + 8 bytes UDP + 12 bytes RTP + 160 bytes payload
> 20% overhead.
>
> Now with IPv6. Say we use shim6 or something like that to implement
> multihoming too. The shim6 header isn't decided yet, but I suppose it's
> got to contain at least a pair of addresses (32 bytes).
>
> 40 bytes IP + 32 bytes shim6 8 bytes UDP + 12 bytes RTP +
> 160 bytes payload
> 36.5% overhead
hey! we charge by the byte. so ipv6 is looking better and better!