nanog mailing list archives

Re: IPv6 mistakes, was: Re: Looking for an IPv6 naysayer...


From: Owen DeLong <owen () delong com>
Date: Thu, 17 Feb 2011 17:35:03 -0800


On Feb 17, 2011, at 5:18 PM, Mark Andrews wrote:


In message <1DBDCA5F-16EC-428D-BC46-3BD59A6F4CDB () delong com>, Owen DeLong write
s:

You can reflash CPE devices to support this that you can't reflash
to support IPv6 as there is no space in the flash for the extra
code.  This should be minimal.  A extra PPP/DHCP option and a check
box to enable (default) / disable setting it.

Reflashing most CPE amounts to forklifting. The difference between
having them bring their CPE in to be reflashed or rolling a truck
to do same vs. replacing the CPE will, in most cases, actually render
replacing the CPE cheaper.

It depends on the CPE device.  Lots of CPE devices can be re-flashed
in place.  It just requires the will to make the images available.

Who do you think is going to do this reflashing? If you think that Grandma
is going to download an image and reflash her linksys, you're at least
slightly divorced from reality.

If you think she's going to do it and not have about a 10% brick rate
(10% of devices going from router to brick) as a result, then, you're
optimistic to say the least.

It can be deployed incrementally.

So can replacing the CPE, but, neither is a particularly attractive
alternative for many providers.

And further indecision is going to make this worse not better.



On this we agree...

Which is why we should decide to move to IPv6 and get on with it instead
of continuing to pursue rat-holes like 240/4.

Owen



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