North American Network Operators Group
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Re: Phantom packet loss is being shown when using pathping in connection with asynchronous routing - although there is no real loss.

  • From: Joe Abley
  • Date: Wed Jun 07 15:49:35 2006 
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