Consistent asymetric latency on monitoring?

Nathan Ward nanog at daork.net
Thu Oct 22 01:40:00 UTC 2009


On 22/10/2009, at 2:31 PM, Perry Lorier wrote:

> I assume this product works by having a packet with a timestamp sent  
> from the source to the destination where it is timestamped again and  
> either sent back, or another packet is sent in the other direction.   
> The difference between the two timestamps gives you the latency in  
> that direction.

I believe a packet is sent, and the target router responds with a  
timestamp.

But yeah, timestamps are being compared.

I'm with Perry though - sounds like your clocks are drifting.

--
Nathan Ward




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