[195805] in North American Network Operators' Group
Re: IPv6 migration steps for mid-scale isp
daemon@ATHENA.MIT.EDU (Youssef Bengelloun-Zahr)
Sat Sep 16 04:40:52 2017
X-Original-To: nanog@nanog.org
From: Youssef Bengelloun-Zahr <bengelly@gmail.com>
In-Reply-To: <CAAGLZPFhPG_nxXiuT2+mLFkkFX4J2XVkBVFKriXOsr_V55FR6Q@mail.gmail.com>
Date: Sat, 16 Sep 2017 10:39:42 +0200
To: Fredrik Sallinen <fredrik.sallinen@gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Hi,
My advice is not to mix IGPs. If you are already running ISIS, then go for m=
ulti-topology and dual-stack it.
I've done that several times, running different backbones, works like a char=
m. Less overhead as you'd only be running one IGP.
My 2 cents.
> Le 16 sept. 2017 =C3=A0 10:09, Fredrik Sallinen <fredrik.sallinen@gmail.co=
m> a =C3=A9crit :
>=20
> 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.
>=20
>=20
> Regards,
>=20
>> On Thu, Sep 14, 2017 at 9:35 PM, Mikael Abrahamsson <swmike@swm.pp.se> wr=
ote:
>>> On Wed, 13 Sep 2017, Fredrik Sallinen wrote:
>>>=20
>>> Hello,
>>>=20
>>> 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:
>>>=20
>>> Shall I go for IPv6-only deployment or dual stack?
>>=20
>>=20
>> For PPPoE with existing IPv4, go dual stack.
>>=20
>>> Where to start with IPv6? (core, edge or ...)
>>=20
>>=20
>> Core, peering, work outwards towards end users.
>>=20
>>> What are the best practices for ISPs?
>>> What are the costs and return on investment?
>>> How to identify address CPE and legacy application issues?
>>=20
>>=20
>> There is a lot written and presented about IPv6 deployment. People have b=
een
>> doing this in volume since around 2010, and if you search for IPv6
>> deployment experience you'll find lots of presentations.
>>=20
>> Some I found that seem relevant:
>>=20
>> https://www.nanog.org/meetings/nanog51/presentations/Monday/aronson-piera=
ntozzi-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/
>>=20
>> If you prefer video form, there are lots of presentations from conference=
s,
>> available on youtube as well.
>>=20
>> --
>> Mikael Abrahamsson email: swmike@swm.pp.se
