Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.

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Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.
The power prognosticator

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Wireless data is due

By John Cox

The explosion in handheld devices of all kinds will force companies in 2000 to deal with wireless connectivity on a scale unthinkable a year ago.

Three reasons stand out for why wireless technology will be a top priority for corporate IT groups in the coming year.

First, the number of devices in the hands of corporate users will continue to grow, and so will the variety of devices. Modern workers are stuffing everything from cellular phones with Internet access to interactive e-mail pagers and push-button handheld computers into briefcases and toolboxes or hanging them on belts.

Some companies are finding that people with no Windows PC experience at all can work almost at once with simply designed handheld applications. The real value of these devices is directly proportional to how easily and how extensively they can access or update corporate data.

Without such access, most of these devices will be just high-tech paperweights.

Second, telcos and other service providers are, or soon willbe, rolling out wireless data services that are vastly faster and cover more territory than what's been available before. In some cases, users will have bandwidth that approaches corporate Ethernet LAN speeds. Wireless data until now has been hamstrung by low bandwidth and, as a result, its use has been limited to proprietary devices in niche markets, such as car rental agencies.

Third, handheld users will have access to information on the Internet. And if they don't have it, they'll demand it. Major providers such as Sprint and vendors such as Motorola have already launched huge advertising campaigns touting the wonders of using a handheld phone or similar device to work with Internet-based applications and data. It's a bit more complicated than that, and the consumer ads miss the point that the first and most productive use of wireless Internet access will be by corporate users. That's because the Internet creates a standard way to connect through corporate intranets and, through extranets shared with trading partners, to existing legacy applications as well as new electronic-business and e-commerce applications.

The result of these three trends will be costly chaos, unless IS groups do what they do best: Create an infrastructure that will let handheld users get on with their work.

Issues such as wireless security, network performance, application response time, carrier quality of service and application integration will be more important than ever in 2000.

Related links

Contact Senior Editor John Cox

Other recent articles by Cox

Fixed wireless users seeing more choices
Network World, 12/13/99.

Kennard: Fixed wireless could rival DSL, cable
Network World Fusion, 12/10/99.

What in the wireless world is WAP?
Network World, 12/13/99.

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