FIB Sizing

Sat Jul 25 11:59:50 UTC 2015

When de aggregation hit IPv6, with lot of /48

> On 25 июля 2015 г., at 14:28, Baldur Norddahl <baldur.norddahl at gmail.com> wrote:
> 
>> On 22 July 2015 at 06:51, William Herrin <bill at herrin.us> wrote:
>> 
>> The IPv4 BGP table has been growing by 10% to 15% per year since CIDR.
>> It appears to be a compounding curve, not linear.
>> 
>> IPv4 exhaustion is a new factor which may or may not impact the next
>> 24 months' projection. There are arguments favoring a slower rate (no
>> more free pool). There are arguments favoring a faster rate
>> (fragmentation from address sales). No one has a crystal ball good
>> enough to know for sure -- the situation is literally unprecedented.
> 
> When will router vendors learn to do even simple aggregation before loading
> routes into FIB? It appears that most hardware will have plenty of FIB
> space if this was done. Also that aggregated routes are increasing at a
> slower pace.
> 
> Regards,
> 
> Baldur