On Jan 6, 2009, at 8:01 AM, David Barak wrote:

The types of problems that the ultra-large DoS can ferret out are the kind which *don't* show up in anything smaller than a 1:1 or 1:2 scale model.

In my experience, once one has an understanding of the performance envelopes and has built a lab which contains examples of the functional elements of the system (network infrastructure, servers, apps, databases, clients, et. al.), one can extrapolate pretty accurately well out to orders of magnitude.

The problem is that many organizations don't do the above prior to freezing the design and initiating deployment.

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Roland Dobbins <rdobb...@cisco.com> // +852.9133.2844 mobile

     All behavior is economic in motivation and/or consequence.





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