A practical guide to content delivery networks by Gilbert Held

By Gilbert Held

Defining the trendy content material supply community as a gaggle of geographically dispersed servers deployed, frequently through 3rd events, to facilitate the distribution of knowledge generated through world-wide-web publishers in a well timed and effective demeanour, Held examines their position in facilitating the distribution of assorted varieties of internet site visitors, starting from average websites to streaming video and audio. He describes how such networks function, the benefits and drawbacks linked to utilizing them, and points of net structure and protocols which are essential to comprehend the appliance of the networks. Readers are assumed to be development human-resource or monetary functions, sites, or related prone. disbursed within the US via CRC.

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A CGI program can be written in any language that can be executed on a particular computer. C, C++, Fortran, PERL, and Visual Basic represent some of the languages that can be used in a CGI program. In a UNIX environment, CGI programs are stored in the directory /cgi-bin. In a Microsoft Internet Information Server environment, CGI programs are stored in c:\internetpub\wwwroot\scripts. That location holds CGI programs developed using a scripting language, such as PERL. One of the most common uses for CGI scripts is for form submission, with a CGI script executing on the server processing the entries in the form transmitted by the client.

Because the connection process between the server and the database functioned as a gateway, the resulting standard acquired the name Common Gateway Interface. A CGI program can be written in any language that can be executed on a particular computer. C, C++, Fortran, PERL, and Visual Basic represent some of the languages that can be used in a CGI program. In a UNIX environment, CGI programs are stored in the directory /cgi-bin. In a Microsoft Internet Information Server environment, CGI programs are stored in c:\internetpub\wwwroot\scripts.

Other browsers such as Netscape, Firefox, Opera, and other products cumulatively hold the remainder of the market. Browsers differ in the version of the Hyper Text Markup Language (HTML) they support and in their support of code modules, plug-ins, the amount of customization users can perform, and caching capability. Because of the market share of Microsoft’s Internet Explorer, we will focus on this browser when discussing client operations. Uniform Resource Locators (URLs) Uniform Resource Locators (URLs) are short strings that identify the location of various resources on the Web.

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