IPv6 Pain Experiment

Tue Oct 8 03:08:04 UTC 2019

Folks should be aware that if you do not assume extreme pressure (which 
is what it is taking to get IPv6 deployed), it turns out to be quite 
hard to get the deployment incentives and structures for a 
map-and-encaps scheme to actually work for Internet-wide deployment.  It 
does work for a range of special cases.

Yours,
Joel

On 10/7/2019 10:58 PM, Michel Py wrote:
>> William Herrin wrote :
>> I was out to prove a point. I needed a technique that, at least in theory, would start working as a result of software
>>   upgrades alone, needing no configuration changes or other operator intervention. If I couldn't do that, my debate
>> opponent was right -- a greenfield approach to IPv6 made more sense despite the deployment challenge.
> 
> I think that, 12 years ago, you had the best mouse trap.
> 
>> Map-encap, where you select a decapsulator (consult the map) and then send a tunneled packet (encapsulated) does
>> some cool stuff, but it's a pretty significant change to the network architecture. Definitely not configuration-free.
> 
> I am so painfully aware of this.
> 
> Michel.
> 
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