Content Networking : Architecture, Protocols, and Practice by Markus Hofmann

By Markus Hofmann

Because the net has grown, so have the demanding situations linked to supplying static, streaming, and dynamic content material to end-users. This booklet is exclusive in that it addresses the subject of content material networking solely and comprehensively, tracing the evolution from conventional internet caching to present day open and significantly extra versatile structure. With this evolutionary method, the authors emphasize the field's such a lot continual techniques, ideas, and mechanisms--the middle details to help you comprehend why and the way content material supply works at the present time, and observe that wisdom within the future.

  • Focuses at the ideas that might provide you with a deep and well timed knowing of content material networking.
  • Offers dozens of protocol-specific examples displaying how real-life content material Networks are at the moment designed and implemented.
  • Provides large attention of content material prone, together with either the web content material edition Protocol (ICAP) and Open Pluggable aspect prone (OPES).
  • Examines tools for helping time-constrained media reminiscent of streaming audio and video and real-time media akin to immediate messages.
  • Combines the imaginative and prescient and rigor of a in demand researcher with the sensible adventure of a professional improvement engineer to supply a different mixture of theoretical intensity and sensible application.

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Extra resources for Content Networking : Architecture, Protocols, and Practice (The Morgan Kaufmann Series in Networking)

Example text

Selected HTTP mechanisms and features are described to help illustrate certain problem areas in content networking. The chapter ends with an introduction and some thoughts on multicasting, a network technique often used to transmit data to a large number of recipients. This chapter is not meant to serve as a detailed introduction or as a reference to the various Internet and Web protocols. It focuses on fundamental paradigms and a few selected technical details insomuch as they will be relevant for the understanding of content networking issues in later chapters.

User requests can be served, for example, from Web servers or Web caches. The selection of the most appropriate target location is typically based on network proximity and availability of the systems and the network. Content processing: Services for creating or adapting content to suit user preferences and device capabilities. This includes modification or conversion of both content and requests for content. Examples are content adaptation for wireless devices or added privacy by making personal information embedded in user requests anonymous.

In the example, the server would execute the referred program with the given input, and send the search result to the client indicating the name and address of the customer associated with the submitted phone number. number=700-555-4141), using the POST method yields several advantages. First, most implementations limit the length of a Request-URI, thus limiting the number and the length of parameters that could be embedded in a URI. Second, Request-URIs are typically logged on all systems involved in a Web transaction.

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