On 16 Oct 2014, at 0:04, Christopher Morrow <[email protected]> 
wrote:

>> This practice, especially if/when it becomes more common, presents two 
>> challenges:

>> 1. Large numbers of prefixes may show up in the global routing table. For 
>> instance, there is a number plan for all of the German government, which 
>> could potentially inject more than 5000 municipality prefixes into the 
>> global IPv6 routing table.

> ok <1% growth.

What do you mean?

>> Ideally, a set of best practices would be developed that strike a good 
>> balance between the needs of large organizations and the needs of the global 
>> routing system, and allow everyone to predict the consequences of different 
>> kinds of behavior and thus avoid unpleasant surprises.

> i feel like we sort of have that already, or we know how the global
> table works and people live within those constraints.

I've only heard from a few people who do this / want to do this so far, but 
from what I hear they really want some clarity in this area. Spending a lot of 
time and money to set all of this up and then discovering your prefixes are 
filtered is rather suboptimal.

Iljitsch

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