On Sat, June 12, 2010 20:38, Evandro Menezes wrote:
> however, many outliers.  Many of these are not responding to the ping
> requests, very likely by design.  Yet, many are in the hundreds of ms.  I

Could you use NTP-packets for those queries? You can measure round-trip
latency that way just fine, although the processing overhead for a user
space application on the server can slightly increase the response times.
But I bet you'd get more responses that way than with ICMP echo request.

  Tapio

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