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Web SLA Managers: The View From There: Page 12 of 22

The service sends notifications as text e-mail. Alerts show the date, time and host name. When the server became available, we received an "OK" message with the server's current response time. We also got weekly text reports showing the actual time and percent of time the URL was in available, warning and critical states. As with Alert Me First, data retention is not available.

1stmonitor. Computer Techniques, (775) 429-8330 (Salem, Ore). www.1stmonitor.com

Bruce Boardman, executive editor of Network Computing, tests and writes about network management and systems. He has 12 years' IT experience managing networks and distributed computing for a financial service provider. Write to him at [email protected].

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Web monitoring services, by downloading Web pages from computers collocated at various telecommunication service providers around the world, can give companies a sense of how their Web site looks and behaves for real end users outside the firewall.

We tested services ranging from those that can only monitor a single Web page from a single site to more expensive services that have locations worldwide and can follow transactions and report on how long it takes to download each element of a Web page.