Download A Practical Guide to Content Delivery Networks, Second by Gilbert Held PDF

By Gilbert Held

Following within the culture of its renowned predecessor, a pragmatic advisor to content material supply Networks, moment version deals an available and arranged method of imposing networks in a position to dealing with the expanding facts standards of today's always on cellular society. Describing how content material supply networks (CDN) functionality, it offers an knowing of net structure, in addition to an summary of the TCP/IP protocol suite. The ebook studies at the improvement of the applied sciences that experience developed over the last decade as distribution mechanisms for numerous varieties of websites. utilizing a structural and visible technique, it offers step by step assistance in the course of the strategy of constructing a scalable CDN. provides a transparent realizing of the framework and person layers of layout, together with caching and cargo balancing Describes the terminology, strategies, and power difficulties whilst imposing a CDN Examines economical how one can load stability net carrier layers Explains how program servers hook up with databases and the way structures will scale as quantity raises Illustrates the influence of video on information garage and supply, in addition to the necessity for info compression Covers Flash and the rising HTML5 commonplace for video Highlighting the benefits and drawbacks linked to these kind of networks, the e-book explains easy methods to use the networks in the web operated via quite a few ISPs as mechanisms for successfully providing internet server established details. It emphasizes a best-of-breed method of development your community to permit for a good CDN to be outfitted on virtually any finances. that can assist you start, this vendor-neutral reference explains find out how to code web content to optimize the supply of assorted different types of media. it's also examples of winning ways, from outsourcing to do it your self.

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Extra resources for A Practical Guide to Content Delivery Networks, Second Edition

Example text

4 illustrates a generic information-delivery system where the network could be the Internet, a corporate intranet, or simply a local area network (LAN) without a connection to another network. 2 Use of Video Servers As its name implies, a video server is used to store video content. To ­illustrate why the storage capacity of a video server is extremely important, let’s assume that an organization is storing “How To” ­videos ­covering fixing a faucet, installing a light switch, and similar ­projects.

When the user fills out a profile of data of interest with the push provider, that profile functions as a filter. The vendor’s server searches a variety of Web sites, collecting information of interest to all subscribers; however, it uses each subscriber profile as a mechanism to determine the data to push to individual subscribers. Because selected information of interest is broadcast similar to a television or radio broadcast, the terms streaming, channeling, and broadcasting are sometimes used as synonyms.

In t r o d u c ti o n t o C o n t en t D eli v ery Ne t w o rkin g 2 7 PointCast’s run at fame was momentary. Although PointCast provided customers with the ability to receive advertisements along with specific requested information, push technology was literally shoved off corporate networks by organizations who found that employee use of the PointCast system was clogging their Internet connections as well as the local area networks connected to the mother of all networks. As more and more companies shunned the technology, the fortunes of PointCast considerably diminished.

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