On Sun, 9 Mar 1997, Randy Bush wrote:
The measurement techniques described thus far focus on performance within the bounds of a single network. While this is of course a challenge, what about efforts to measure performance _across_ networks? I'm not talking about NAP packet loss here, but a true measure of expected customer satisfaction.
Expectations of customer satisfaction are aleph nul or likely aleph one.
And someone called my name...
Measurement of end user delivery are being done rather ad hack (hit the web site and see how high it bounces) by the folk at Intel, see
Network Working Group J. Sedayao, Intel Corporation C. Bickerstaff, Intel Corporation Internet Draft Expiration Date: May 1997 November 1996
Simple End to End Metrics and Methods for Monitoring and Measuring IP Provider Performance
The IPPM WG is trying to work upward from a sound theoretical base. See the other IPPM drafts and mailing list archives.
May I also suggest people take a look a Treno. If used consistently and regularly it may give a rought estimate of connection quality for end users across networks.
randy
Aleph One / aleph1@dfw.net http://underground.org/ KeyID 1024/948FD6B5 Fingerprint EE C9 E8 AA CB AF 09 61 8C 39 EA 47 A8 6A B8 01