Get A Practical Guide to Content Delivery Networks PDF

By Gilbert Held

ISBN-10: 084933649X

ISBN-13: 9780849336492

With a realistic and arranged method of studying and implementation, a pragmatic advisor to content material supply Networks provides a step by step procedure for construction a hugely to be had and hugely scalable content material supply community (CDN). CDN refers back to the infrastructure at the back of any provider that offers software or entry to info to an finish person. This publication deals terminology, strategies, power difficulties to prevent, and person layers of layout, delivering transparent realizing of the framework for CDNs utilizing a structural and visible process. The textual content emphasizes a best-of-breed approach, permitting a technically sound CDN to be conceived and equipped on nearly any finances.

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9 illustrates the tracert program to trace the path to the Logtel server located in Israel. com while there are 17 hops to the Logtel server. 8 Using Tracert to observe the path from the author’s computer to the Yahoo! server. 9 Using Tracert to examine router hop delays to a server located in Israel. attribute a portion of the delay to the number of router hops traversed from the source to the destination. 9, you will note that for the first 10 hops the delay was under 20 ms. It wasn’t until hop 11 that the delay appreciably increased, going from 20 to either 90 or 100 ms, depending on which of the three traces occurred.

Note that while HTML decoding is built into each browser, other components are optional. Plug-ins A plug-in is a computer program that functions as an extension of a browser, adding some specific functionality such as displaying multimedia content inside a Web page. Some examples of plug-ins include Shockwave, RealPlayer, and QuickTime for multimedia, Net Zip, and Neptune. NetZip permits compression of data while Neptune supports ActiveX for Netscape so it operates similar to Microsoft’s Internet Explorer.

Although similar to CGI, the ISAPI is faster because there is no need for a server to spawn a new executable, as is the case when a CGI script is used. Instead, a DLL is loaded, which provides the interpretation of the script. 1, we can note that the application server represents a tier 2 device along with a conventional Web server. Both a Web server and application server can reside on the same or on separate computers. The application server commonly referred to as an appserver, can range in scope from a program that handles application operations between a client and an organization’s back-end databases, to a computer that runs certain software applications.

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A Practical Guide to Content Delivery Networks by Gilbert Held


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