Phantom packet loss is being shown when using pathping in connection with asynchronous routing - although there is no real loss.

Wed Jun 7 20:57:26 UTC 2006

On Wed, Jun 07, 2006 at 12:49:04PM -0700, Joe Abley wrote:
> On 7-Jun-2006, at 12:35, Joseph S D Yao wrote:
> 
> >I can't tell you what is going on.  But I can ask, (a) why are you  
> >doing
> >asymmetrical routing in the first place?
> 
> For any non-trivial path, it seems to me that asymmetry in forward  
> and return paths is normal. Symmetrical paths are the exception.
> 
> From another angle, how can anybody hope to ensure that all forward  
> and return paths are identical when the only exit under their control  
> is the one on the outbound path, at their own border?
> 
> Joe

If this is for their customers, it wasn't clear that the path went
outside their zone of control.  I did wonder.

-- 
Joe Yao
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