NAT Multihoming

Iljitsch van Beijnum iljitsch at
Mon Jun 4 11:53:15 UTC 2007

On 4-jun-2007, at 4:33, Stephen Satchell wrote:

> The last time I renumbered, I found that quite a few people were  
> not honoring the TTLs I put in my DNS zone files.  I would clone  
> the new address and monitor traffic to the old address -- and it  
> took up to seven days for the traffic to the old address to die  
> down enough that I could take it out.

Are you sure this was the result of DNS servers increasing the TTL,  
not simply applications doing their own caching?

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