AW: Consensus call on adopting <draft-krishnan-6man-rs-mark-08.txt>

I appreciate the decision of the WG chairs to accept the I-D as v6ops working item since it reflects the majority of the raised opinions and acknowledges the need for a solution to make IPv6 happen in a very special, but nevertheless often implemented, network scenario. 

Kind regards
Olaf 

> -----Ursprüngliche Nachricht-----
> Von: ipv6-bounces@ietf.org [mailto:ipv6-bounces@ietf.org] Im 
> Auftrag von Ole Troan
> Gesendet: Freitag, 29. Oktober 2010 10:33
> An: David Allan I
> Cc: Bob Hinden; Brian Haberman; IPv6 WG Mailing List; Suresh Krishnan
> Betreff: Re: Consensus call on adopting 
> <draft-krishnan-6man-rs-mark-08.txt>
> 
> David,
> 
> good point indeed.
> 
> perhaps it is time for the IETF to acknowledge the fact that 
> these link types are common and to take a more architectural 
> and wide approach to solving and adapting its protocols to 
> this subnet model.
> 
> I'm concerned that we are standardising point solutions 
> without understanding the problem. and I disagree with the 
> chairs consensus call. (not that I necessarily think there 
> are alternatives, but I'd like to see a big warning banner 
> somewhere, not just a "we need to fix a few nits before last 
> calling it).
> 
> cheers,
> Ole
> 
> 
> On Oct 28, 2010, at 23:58 , David Allan I wrote:
> 
> > A quick comment on the soapbox statement...
> > 
> > <soapbox statement>: I'm biased against this subnet model 
> (N:1)... recreating PPP functionality over Ethernet, trying 
> to create user isolation on a shared IPv6 link, which after 
> all IPv6 protocols are not designed for.
> > 
> > I appreciate the IETF has been kind of blind to this but 
> this kind of asymmetric Ethernet subnet is actually much more 
> prevalent and been around longer than you might think. In 
> Metro Ethernet Forum terms it is known as an E-TREE, support 
> for which is being discussed by the IETF L2VPN WG. IEEE 
> 802.1ad(2005?) documents one possible means of implementing 
> this in the form of Asymmetric VID (which I think is also 
> known as private VLAN) and this has been carried forward into 
> 802.1ah PBB/.1aq SPB. 
> > 
> > There is also physical media that behaves like this in the 
> form of passive optical networks, which are p2p to the root 
> and broadcast to the leaves. GPON and EPON becoming a very 
> prevalent broadband deployment model.... 
> > 
> > BBF TR101(2006) is simply one instantiation of a useful 
> construct that has been around for years...and if anything 
> will become much more common over time...
> > 
> > Cheers
> > Dave
> 
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