selective auto-aggregation

Thu Apr 17 22:04:06 UTC 2003

McBurnett, Jim wrote:
> Only 1 question:
> What about the companies that have a /24 out of the /20 0r /21 that are multi-homed?
> If the route rules are not carefully prepared the multi-homed customer then might be single-homed and tied to the upstream they got the IP's from.
> 
> Thoughts?
> 

I was curious how much of the de-aggregation was due to multi-homed 
companies requiring the longer prefixes. Are there companies that 
actually announce their smaller routes despite controlling the shorter 
prefix? What would be the benefit of doing so?

-Jack