[arin-ppml] Opposed to 2010-9 and 2010-12

Mark Townsley mark at townsley.net
Fri Oct 15 09:12:49 EDT 2010

On 10/15/10 2:13 PM, michael.dillon at bt.com wrote:

>> Or, the CPE vendors could figure out how to manage with a single /64 if
>> that's the least common denominator offered. It won't work as well as
>> it
>> could have, will cause more problems, cost more overall, etc. than if
>> routing were available, but if it works just well enough to mask the
>> feedback loop to the Marketplace that you are counting on here, then
>> the
>> battle is lost. Never underestimate the power of local optimization.
> Do you have any evidence that DOCSIS 3.0 or the Broadband Forum equivalent
> design, actually do treat /64 as some kind of lowest common denominator?

I'm saying that *if* that's what ISPs provide, that's what they will
have to do whether they like it or not. I hope they do not have to.

- Mark

> In fact, I just pulled up TR-187 from the Broadband Forum and it says:
> the Broadband Forum suggests a size for the delegated prefix of least a /60 for home network or SOHO environments with a recommended prefix length of /56. The delegated prefix may be extended to a /48 for larger organizations.
> Seems to me that you are just spreading FUD. CPE vendors are going to 
> implement according to DOCSIS 3.0 and Broadband Forum specs. They are 
> not going to make up their own thing.

> --Michael Dillon
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