IPv6 migration steps for mid-scale isp

Sat Sep 16 12:27:17 UTC 2017

Le 16/09/2017 à 10:39, Youssef Bengelloun-Zahr a écrit :
> Hi,
>
> My advice is not to mix IGPs. If you are already running ISIS, then go for multi-topology and dual-stack it.
>
> I've done that several times, running different backbones, works like a charm. Less overhead as you'd only be running one IGP.
>
> My 2 cents.

Adding few cents of €. ;-)

mh

>
>
>
>> Le 16 sept. 2017 à 10:09, Fredrik Sallinen <fredrik.sallinen at gmail.com> a écrit :
>>
>> Thank you all for your Ideas. AFAIK one of the main decisions for IPv6
>> transition and deployment is the choice of IPv6 IGP. I read somewhere
>> that its a good practice to use different IGP protocol for IPv6 and
>> IPv4. For example if IGP for IPv4 is IS-IS then use OSPFv3 for IPv6.
>> any comments on this?
>> Additionally I will appreciate it if you share your suggestions on
>> products and their performance? For example If I go for NAT64+DNS64 to
>> handle IPv4 traffic, What sort of carrier grade products are you
>> recommending and can you share your experience on their
>> performance/pitfalls? currently we have ~150Gbps of IPv4 traffic, so
>> we need a solution to
>> support such scale and future growth.
>>
>>
>> Regards,
>>
>>> On Thu, Sep 14, 2017 at 9:35 PM, Mikael Abrahamsson <swmike at swm.pp.se> wrote:
>>>> On Wed, 13 Sep 2017, Fredrik Sallinen wrote:
>>>>
>>>> Hello,
>>>>
>>>> Recently we have decided to start IPv6 migration in our network. We
>>>> have ~1K BNGs and connecting our customers to network using PPPoE.
>>>> I'd be interested in hearing from the technical community about their
>>>> experiences and recommendations on this process. I'm wondering:
>>>>
>>>> Shall I go for IPv6-only deployment or dual stack?
>>>
>>> For PPPoE with existing IPv4, go dual stack.
>>>
>>>> Where to start with IPv6? (core, edge or ...)
>>>
>>> Core, peering, work outwards towards end users.
>>>
>>>> What are the best practices for ISPs?
>>>> What are the costs and return on investment?
>>>> How to identify address CPE and legacy application issues?
>>>
>>> There is a lot written and presented about IPv6 deployment. People have been
>>> doing this in volume since around 2010, and if you search for IPv6
>>> deployment experience you'll find lots of presentations.
>>>
>>> Some I found that seem relevant:
>>>
>>> https://www.nanog.org/meetings/nanog51/presentations/Monday/aronson-pierantozzi-level3-ipv6.pdf
>>> https://www.ietf.org/proceedings/54/slides/plenary-15.pdf
>>> https://www.apnic.net/community/ipv6-program/ipv6-stories/
>>> https://www.ipv6council.be/experiences-de-deploiements-ipv6/
>>>
>>> If you prefer video form, there are lots of presentations from conferences,
>>> available on youtube as well.
>>>
>>> --
>>> Mikael Abrahamsson    email: swmike at swm.pp.se