Intranets: The price of popularity: Page 3

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Testing may be the key

As corporate Web sites for the Internet and intranet become more and more data-intensive and mission-critical, vendors have responded with a wide range of testing and modeling products to help you anticipate demand scenarios and prevent problems. Most of the vendors cut their teeth in the client/server arena but there are some new faces...

Compuware Corp., Farmington Hills, Mich., is a respected middleware player. The company recently announced extended support for SAP R/3, Tuxedo middleware transactions, Windows socket traffic, and HTTPS (Secured Sockets Layer) in the latest release of its QALoad product--Compuware's performance testing solution for server-based applications and databases. The new support complements existing load-testing support for major database environments, Telnet, and Web-based applications. More information is available at

Mercury Interactive Corp., Sunnyvale, Calif., is known for offering a comprehensive line of automated enterprise tools that address the full range of quality needs for testing clients/server, e-business, Year 2000, Euro, and packaged applications. LoadRunner is a load-testing tool that predicts system behavior and performance. It exercises an entire enterprise infrastructure by emulating thousands of users to isolate problems, optimize performance, and accelerate deployment. The company's other e-business testing products include TestDirector, WinRunner, and the Astra product family. More information is available at

Mindcraft Inc., Palo Alto, an independent testing lab, provides WebStone Web site testing software, now in version 2.5, as freeware. For information go to

RadView Software Inc., Lexington, Mass., specializes in software tools for performance testing and analysis, and targets the Internet/Web applications market. Its WebLoad product is used for testing the performance of e-commerce applications under various user loads. WebLoad customers are able to generate an unlimited number of virtual users accessing a Web site concurrently. While the Web site is being load tested, probing clients can reside anywhere on the Internet/intranet, and probe the user response time under different work conditions. Performance and Load reports can be customized and viewed in real-time while the tests are running. More information is available at

Rational Software Corp., Cupertino, Calif., provides products that span the activities of requirements management, visual modeling, testing, and configuration and change management. PerformanceStudio is the company's Web-based, Enterprise Resource Planning (ERP), and multitier performance testing solution. It helps record test data, simulate usage patterns, model multi-user scenarios, and analyze tests to enable IT organizations to effectively integrate performance testing into software development and deployment processes. For more information, visit Rational's Web site at

RSW Software Inc., Watertown, Mass., a division of Teradyne Inc., develops automated testing tools for e-business applications. Its e-Test Suite has been designed to address the unique needs of Internet application developers and quality assurance professionals with a seamlessly integrated, development-through-deployment solution to Web testing. More information is available at

Segue Software Inc., Lexington, Mass., offers solutions designed to mimic real-world scenarios. Scenario testing is the process of creating a series of scenarios that model an event occurring as an effect of three factors: the rate of change (includes content and functionality change introduced by sudden competitive pressures); the mix of platforms, tiers, and technologies an application must traverse; and the volume and fluctuation of user activity. Segue's LiveQuality solution simulates this real-world situation in a safe test environment, providing insight on potential problems before the system goes live. Segue also offers a product called SilkPerformer. More information is available at --Alan Earls

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