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| Date | Key | Details... |
| 18 October 2005 | 
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Technology Level Comparison Diagram Illustrates Performance Monitoring Reality.
We get a lot of questions about how eValid performance testing and monitoring results differ from other ways of checking availability. If you look at this Technology Level Comparison diagram you'll see what's going on. In a nutshell, it works like this: Ping and Traceroute actions are "below" the HTTP/S level and indicate hardware availability. HTTP/S level operations successfully confirm service of pages. eValid browser-based playbacks confirm complete transactions. We call these transactions "coherent" because eValid maintains the browser state -- just as a real user does -- so multi-step transaction playbacks present the same state space to the server as would be presented by an actual user.
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