On Mon, Aug 5, 2013 at 8:54 PM, Fan, Peng fanp...@chinamobile.com wrote:
A basic requirement for using ICMP (and other active measurement
approaches) is to let probing traffic and service traffic have the same
drop probability, though it is usually difficult to guarantee this.
It seems like
Hello, Fan, Ramki,
Just because there is a hammer, it does not mean that every problem is a nail.
Someone mentioned this on the presentation at Berlin.
Fan,
It really is all about scope and goals. You mention that ICMP is not
appropriate, and then that it is appropriate. I suspect the real
There are two other considerations:
1. ICMP packets might follow a different path than the application in the
presence of ECMP
2. The ICMP responder might rate limit and drop if it's a router regardless of
the drop characteristics of the path -- RFC 6192.
Thanks,
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