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.
  

spin headline

Here’s a look at 10 additional technologies circulating through the industry spin cycle.

By Network World Staff
Network World, 09/11/00

Will the SOAP bubble burst?

Not many technologies have received more attention lately than SOAP, a Microsoft messaging format for business-to-business communications over the Internet that will underpin the company's futuristic .Net platform.

IBM, Sun and others already have endorsed SOAP, and the World Wide Web Consortium is expected to consider standardization. Everyone likes SOAP because it gives Web sites a way to communicate and provide services seamlessly. For example, a car manufacturer could let an online buyer check availability of a particular model at a local dealer. As long as both sites use SOAP, they don't need to share the same operating system, application software or programming language.

SOAP's advantages are its simplicity, extensibility, flexibility and support for Internet standards. It uses XML for data encoding and HTTP for message transport, for example. But SOAP has its drawbacks. Version 1.1 lacks security and transaction support.

Once SOAP-compliant products become available, you'll want to make sure they are free of proprietary extensions. Also look for SOAP's adoption by groups working on XML standards for specific industries such as insurance or travel. This hasn't happened yet.

- Carolyn Duffy Marsan

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    • Related links

    Contact Senior Editor Carolyn Duffy Marsan

    Other recent articles by Marsan

    What is SOAP? - FAQs.
    MSDN Online.

    Download SOAP Version 1.1

    Read the IETF information document on SOAP

    Experiment with IBM's alpha implementation of SOAP for Websphere

    SOAP: The Simple Object Access Protocol
    An overview from "Microsoft Internet Developer."

    SOAP won't clean middleware's messy reality
    Network World, 05/22/00.

    SOAP gains industry support
    Network World, 05/15/00.

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