How servers find needle in haystack of the Net

Article Abstract:

The Internet domain name system (D.N.S.) is like a telephone directory and enables computers to change names into numbers. The D.N.S. usually consists of three parts, in a descending hierarchial order. The highest level in the hierarchy resides at the end and consists of the familiar addresses such as .com, .org, .gov and .edu. The computers that keep track of all the domain names are called root servers. They maintain the list of all the top-level domain names and when a query is received directs it to other machines which are lower down in the hierarchy. To avoid problems that can result by glitches in the database, many root servers are maintained. For example, there are nine .com root servers. Network Solutions, which manages the .com domain names, runs the primary top level server and every day copies the master list of names into a database and copies it to the other eight servers. The company charges $50 a year to list a name.

Domain names, Internet address/domain name

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Keeping track of employees' on-line voyeurism

Article Abstract:

Companies can deploy technology that monitors employees' browsing of pornographic Web sites. Workers from 68% of companies participated in such activities, according to a secret test by 100 companies using free software from Elron Software. Managers have complained that Internet sex-surfing wastes company productivity and Internet use costs, as well as creates the possibility for sexual-harassment lawsuits, according to Elron. The Elron tracking and blocking software alerts managers of suspicious Web-site words in real time. This development allows companies to block site access or even inspect an employee's workstation while someone has clicked on a suspicious site. Suspicious employees tend to refrain from visiting forbidden sites, according to Elron.

Censorship, Censorship issue

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Losing sleep to the lure of the Internet

Article Abstract:

The Internet is changing some of its users' sleep habits for different reasons. A popular reason is work-related, as users are discovering the medium's 24-hour emphasis. Some have learned that the Internet works more efficiently in the predawn hours, while others can avoid bad bosses. Clients also expect technological advances to increase performance, so one interactive producer works around the clock to meet their demands. Workers also can find that working late at night sparks creativity, as well as avoiding phone calls. Lost sleep also can trigger automobile accidents, depression and loss of productivity, according to the National Sleep Foundation, which also reports that two-thirds of Americans sleep less than its recommended eight hours.

Work hours, Physiological aspects, Sleep, Internet/Web technology, Internet access

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