Visual Studio 2010 Ultimate lets you stress test your application early and throughout its development lifecycle with realistically modeled simulatedload.
Visual Studio 2010 Ultimate让你可以尽早地对应用程序进行压力测试，并在整个开发周期中用逼真的模型来模拟负载。
2
Once you are satisfied with the script, load can run the script concurrently to test the Web service under a simulatedload.
当你满意本脚本时，Load就可以并发运行该脚本把Web服务置于模拟负载的环境下进行测试。
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But when you play back the performance test to generate load with many simulated users, you may not want the same URLs and request parameters played back.