On Wed, 5 Jun 2013, Aaron wrote:
There seems to be so many ways to do ipv6..(I'm not clear on what to use and
why to use it and when to use it..)
What is the best way to migrate my customers to IPv6 with zero impact
(meaning, all internet and services are still reachable when done moving to
ipv6) ?
Define "migrate". Do you mean doing dual-stack to the end-users? If
not, you will need to provide a transition mechanism for your IPv6-only
user base to see the IPv4-only Internet. That means some of flavor of
NAT, such as NAT64. Different people have had different experiences in
deploying LSN/CGN solutions.
I suspect if your customers suddenly couldn't reach large chunks of the
Internet after the migration, they would not be happy ;)
If you are making IPv6 available to your end users, does their CPE support
it? Some CPE does support it today. Some can do it with a firmware
upgrade, and the rest will need to be replaced.
Does your infrastructure (not just the network hardware, but also your
provisioning systems, IPAM, customer support tools, other back-end systems,
etc) support it today?
I don't need configs and technical details, just a technique or technology
answer for now will suffice to get my moving in a research direction.
Beyond that, you need to give a lot of careful thought to your IPv6
addressing plan. This has been discussed quite a bit in recent months on
NANOG, and possibly a bit here, but this is your chance to correct address
assignment mistakes that were made (often, unavoidably, due to address
scarcity) in IPv4.
jms
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