On Mon, 2012-04-23 at 10:40 -0700, Bill Moffitt wrote: > <Philosophical rant> > > On the subject of being able to turn off V6, I agree with both sides, > but with a caveat. > > On one side, V6 is necessary today in Asia, but, on the other had, it's > not at all necessary or even desirable yet in North America and Europe, > so I think it is desirable to be able to turn it off.
I've been using IPv6 for years, and have lost count of the number of times that it saved connectivity between my machines when Legacy IP wasn't working. > Right now I don't know of a consumer ISP in North America that will GIVE > you an IPv6 address, never mind require it, although some business ISPs > tout V6 routing. They certainly exist in the UK. The ISP I use, Andrews and Arnold, are in their tenth year of providing IPv6. We get native IPv6 alongside the Legacy IP on the ADSL line (via PPPoATM or PPPoEoA) and all their services are available over IPv6. > Because of the foot-dragging in rolling out V6, I believe that adoption > is not going to be a gradual affair - I believe that, at some point, > someone (probably in Asia) is going to invent the "Next Big Thing that > Everybody HAS to HAVE," (i.e. the next new Google, Facebook, Twitter, > Pinterest, Dropbox, whatever) and it will only be accessible via V6. At > that point, everyone in North America and Europe will suddenly change > from ignoring V6 to HAVING TO HAVE IT RIGHT NOW!!! You mean the dancing kame and www.loopsofzen.co.uk aren't considered killer apps? :) > While we consumers in N. America and Europe can still afford to be > complacent for a while, I think that we, as OpenWRT developers, need to > be very diligent in ensuring OpenWRT "plays well" on V6 in anticipation > of this event, should it come to pass. It may be a nice opportunity for > OpenWRT to get some nice publicity by "saving the day" when the "crisis" > occurs. OpenWrt already works fairly well. For consumer use there are a couple of things that need to be improved — firstly it needs to obtain a prefix from the ISP by DHCPv6, to be advertised on the internal subnets. I think this is mostly already supportable, but not enabled out-of-the-box. It should be. If the ISP *doesn't* provide DHCPv6, there's no harm. We should make sure SiXXS (via aiccu) and other tunnels re very simple to set up, too. I concede I haven't looked at those since I don't need them. -- dwmw2
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