Lecture Notes Electrical Engineering. Vol.9. Content by Buyya R., Pathan M., Vakali A.

By Buyya R., Pathan M., Vakali A.

Content material supply Networks allows the readers to appreciate the fundamentals, to spot the underlying expertise, to summarize their wisdom on techniques, principles, rules and diverse paradigms which span on extensive CDNs components. as a result, elements of CDNs when it comes to fundamentals, layout method, perform, thoughts, performances, systems, purposes, and experimental effects were offered in a formal order. basic equipment, projects, major study effects, in addition to references for additional examine have additionally been supplied. comparability of alternative layout and improvement techniques are defined on the applicable locations in order that new researchers in addition to complicated practitioners can use the CDNs review as a examine roadmap. all of the contributions were reviewed, edited, processed, and put within the acceptable order to take care of consistency in order that any reader without reference to their point of data and technological talents in CDNs could get the main out of it. The e-book is geared up into 3 components, particularly, half I: CDN basics; half II: CDN Modeling and function; and half III: complicated CDN systems and functions. The association guarantees the sleek move of fabric as successive chapters construct on previous ones.

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Chung, R. Network latency and its effect on video streaming. EdgeStream, 2004. com 24. , and Tomlinson, G. Internet Web replication and caching taxonomy. Internet Engineering Task Force RFC 3040, 2001. 25. Davison, B. D. Web caching and content delivery resources. com, 2007. 26. , and Rzewski, P. A model for content internetworking (CDI). Internet Engineering Task Force RFC 3466, 2003. 27. , and Weihl, B. Globally distributed content delivery. IEEE Internet Computing, pp. 50–58, 2002. 28. Freedman, M.

1 Akamai Akamai technologies [1, 27] was founded in 1998 at Massachusetts, USA. It evolved out of an MIT research effort aimed at solving the flash crowd problem. Akamai is the market leader in providing content delivery services. It owns more than 25,000 servers over 900 networks in 69 countries [1]. Akamai’s approach is based on the observation that serving Web content from a single location can present serious problems for site scalability, reliability and performance. Hence, a system is devised to serve requests from a variable number of cache servers at the network edge.

4 Service-Oriented Architecture Future trends in content networking domain are expected to allow services to be composed of other services by building on standard protocols and invocation mechanisms. Thus, content networks should be capable of exploiting an SOA. High-level transparency within SOA is required, which could have impact on all the constituent technologies. Content management in such an SOA-based CDN is expected to be 1 Content Delivery Networks: State of the Art, Insights, and Imperatives 27 highly motivated by user preferences.

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