Re: [v6ops] draft-vf-v6ops-ipv6-deployment

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Hi,

from our experience the major challenge is not the network (we are Dual Stack for more than ten years now) but the services and the end devices the clients are running on. Even if large video/content providers support IPv6 that does not necessarily results in IPv6 end-to-end. In many cases devices like SmartTVs are not IPv6 enabled (e.g. if you use your laptop to stream Netflix transport will be IPv6 but if you use your Smart TV you will only see IPv4).

Regards

Nic

Von: v6ops <[e-mail]> Im Auftrag von Gyan Mishra
Gesendet: Mittwoch, 31. März 2021 08:00
An: JORDI PALET MARTINEZ <jordi.palet=[e-mail]>
Cc: [e-mail]
Betreff: Re: [v6ops] draft-vf-v6ops-ipv6-deployment


In theory if you flipped a switch and all fixed broadband and wireless 4G/5G access layer providers all around the world banded together and ditched CGN and turned up IPv4AAS and so now all subscribers - all the billions of subscribers around the world are now officially IPv6 only.

However let’s say this happened tomorrow but our web content and traffic volume is still sitting steady at 15% IPv6 and 85% IPv4.

The needle would not have moved at all as we only fixed half the problem.

We need to get all the web content to move to IPv6 and that’s an problem of economics that we need to push the envelope on all web content providers charge high for IPv4 premium $$ to incentivize moving to IPv6 by forces of economy where money talks.

Gyan

On Tue, Mar 30, 2021 at 4:29 PM JORDI PALET MARTINEZ <jordi.palet=[e-mail]<mailto:[e-mail]>> wrote:
I will say that the “long” and “unpredictable” time for IPv4aaS is an advantage, because you “stop” provisioning IPv4 now, so it is one less problem to worry about.
You’re not longer worried about “how” much usage of IPv4 is done, except for a single thing: reducing the number of IPv4 addresses in the NAT64 (for example in the case of 464XLAT). You could even ignore that, but of course, it is good to reduce the number of IPv4 addresses if they are not used, because you can either transfer them and get some money back or use in other parts of the network.
The question is: Do you prefer to ged rid off IPv4 as in many parts of the network as possible sooner or later?


El 30/3/21 22:21, "v6ops en nombre de Gyan Mishra" <[e-mail]<mailto:[e-mail]> en nombre de [e-mail]<mailto:[e-mail]>> escribió:



On Tue, Mar 30, 2021 at 2:34 PM Yannis Nikolopoulos <[e-mail]<mailto:[e-mail]>> wrote:


On 3/28/21 9:47 PM, Brian E Carpenter wrote:
> Dual stack has no time limit
(for us ISPs) it has, it painfully has, if your user base is still growing

Gyan> I think to your POV there is a flip side as dual stack is simple and easy cannot get any simpler than that, however the downside is the process of deployment can be painfully slow but it all depends. If you are provisioning 1000s of sites for dual stack that still can be done with ZTP even with complex DMVPN or other overlay topologies dual stacked still not difficult.  I think whenever manual configuration comes into play and you have even a 100 sites or devices that can be painful and lengthy process.

There are definite tradeoffs.

Dual stack is less complexity but then you have IPv4  provisioning and numbering plan so you could say that in itself is complex.

If it’s fixed broadband BNG or 4G/5G mobile the drawback as well with dual stack is IPv4 addressing numbering plan but having to maintain configuration for both IPv4 and IPv6 could be considered complex, even though the dual stack process is as simple as it gets.

With IPv4 AAS the attraction could be the minimum configuration footprint number of lines of config.

Learning curve yes for operators but you could say that for any technology their is a learning curve.

I think the bigger deal for operators is how long the timeframe to maintain IPv4AAS is a bigger factor as that could be decades and it could be almost like a permanent solution.




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M 301 502-1347