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.







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    Contact Senior Editor Tim Greene

    Covad's Web site

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    Network World, 4/5/99.

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    Covad: Be ready for DSL


    BY TIM GREENE

    Covad Communications' digital subscriber line (DSL) network business could explode this year.

    After much preparation, the company finally has what it needs to deliver broadband Internet and corporate access over regular phone lines:

  • It methodically did the grunt work of winning state-by-state competitive local exchange carrier status, approval it needed to lease phone lines from traditional local carriers, the regional Bell operating companies.

  • It leased space for its DSL gear in RBOC switching offices.

  • It formed alliances with ISPs and phone companies that will resell Covad DSL services.

  • It issued public stock, pulling in the money it needs to finance its service rollout.

    Perhaps its greatest achievement so far is lining up AT&T as an investor - $25 million - and a reseller of Covad DSL services, according to Eric Paulak, an analyst for Gartner Group, a consultancy in Stamford, Conn. Covad's TeleSpeed services give customers access to the Internet or corporate networks at speeds between 144K bit/sec and 1.5M bit/sec.

    In addition, Covad has signed up other key service providers, Qwest Communications and Concentric Networks among them, as investors and resellers.

    In 1996 when the company was formed, Covad took one look at DSL technology and saw what it could mean for businesses: fast, inexpensive access to corporate networks and the Internet using regular phone lines.

    It decided to forego the feature that allows an analog voice channel on the same line as the DSL datastream because it thought business customers did not need it. Covad also focused on DSL flavors that provide symmetric bandwidth, even though asymmetric varieties offer higher speeds in one direction. Business customers want to send and receive at roughly the same speeds, Covad thought.

    So far, the company's analysis has won broad support among others in the industry. And last year, Covad's first full year offering services, it took in $5.3 million in sales - with services available in only seven cities.

    The rollout so far gives the company access to six million potential customers. And the company has announced plans to sell DSL in 22 cities by the end of the year.

    While it is enjoying success, Covad is being pursued by some formidable opponents that also bear watching, including NorthPoint Communications and Rhythms Netconnections.

    But with the focus, funding and execution it has shown so far, Covad should be around for the long term.


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