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A Practical Guide to Content Delivery Networks, Second Edition - Gilbert Held

A Practical Guide to Content Delivery Networks, Second Edition

Hardcover Published: 12th October 2010
ISBN: 9781439835883
Number Of Pages: 304

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Following in the tradition of its popular predecessor, A Practical Guide to Content Delivery Networks, Second Edition offers an accessible and organized approach to implementing networks capable of handling the increasing data requirements of today's always on mobile society. Describing how content delivery networks (CDN) function, it provides an understanding of Web architecture, as well as an overview of the TCP/IP protocol suite.

The book reports on the development of the technologies that have evolved over the past decade as distribution mechanisms for various types of Web content. Using a structural and visual approach, it provides step-by-step guidance through the process of setting up a scalable CDN.

  • Supplies a clear understanding of the framework and individual layers of design, including caching and load balancing
  • Describes the terminology, tactics, and potential problems when implementing a CDN
  • Examines cost-effective ways to load balance web service layers
  • Explains how application servers connect to databases and how systems will scale as volume increases
  • Illustrates the impact of video on data storage and delivery, as well as the need for data compression
  • Covers Flash and the emerging HTML5 standard for video

Highlighting the advantages and disadvantages associated with these types of networks, the book explains how to use the networks within the Internet operated by various ISPs as mechanisms for effectively delivering Web server based information. It emphasizes a best-of-breed approach to building your network to allow for an effective CDN to be built on practically any budget. To help you get started, this vendor-neutral reference explains how to code Web pages to optimize the delivery of various types of media. It also includes examples of successful approaches, from outsourcing to do it yourself.

Held, a networking expert and lecturer, presents this guide to the principles of content delivery networks (CDN). Built to provide multiple, easily accessible nodes for dispensing high bandwidth content (web video for instance) without overloading internet backbone capacities, CDNs help reduce the bottlenecks that occur when popular content resides on a single over-accessed server. This volume begins with an overview of client and server models of information networking and the TCP/IP Internet protocols and proceeds through an examination of the CDN model, caching and load balancing and concludes with a discussion of CDN in an enterprise setting and web hosting options with CDN. Intended for network architects and server administrators, this second edition includes extended information on web video including Flash and new HTML 5 standards. -In Research Book News, booknews.com, February 2011

Introduction to Content Delivery Networking The Modern Content Delivery Network Advantages Disadvantages Evolution Client-Server Computing Use of Video Servers Server Network Architecture The Road to Push Technology Pull Technology Multicast Push Technology Content Delivery Networking Client-Server Operations on the Internet Client Server Operating on the Same Network Client-Server Operations on Different Networks Peering Point Video Considerations Client-Server Models Overview Client Operations URLs HTML HTTP Browser Programs Server Operations Distance Relationship Understanding TCP/IP The TCP/IP Protocol Suite Protocol Suite Components Physical and Data-Link Layers The Network Layer The Transport Layer The Domain Name System Need for Address Resolution Domain Name Servers Top-Level Domain DNS Operation Configuring Your Computer Root Name Servers The NSLookup Tool Expediting the Name Resolution Process DNS Resource Records The CDN Model Why Performance Matters Economics of Poor Performance Predictability Customer Loyalty Scalability Flexibility Company Perception Examining Internet Bottlenecks Entry and Egress Considerations Access Delays Egress Delays Benefits of Edge Servers Peering Points Edge Operations CDN Operation The Akamai Network Edge Side Includes Edge Side Includes for Java Statistics The Akamai HD Network Using the HD Network with Flash Caching and Load Balancing Caching Browser Cache Other Types of Web Caches Application Caching Cache Operation Cache Control Methods Windows DNS Caching Problems Viewing HTTP Headers Considering Authentication Enhancing Cacheability Load Balancing Types of Load Balancing Rationale Load Balancing Technique DNS Load Balancing DNS Load-Sharing Methods Managing User Requests The CDN Enterprise Model Overview Rationale Traffic Analysis Using Web Logs Using Logging Strings Web-Log Analysis Top Referring Domains Considering Status Codes Web-Log Statistics Reverse Mapping SOA Record Components Origination Country Originating Time Zone Other Statistics Other Analysis Tools Cookies Other Logging Information Microsoft's Performance Monitor Using a Network Analyzer Other Tools to Consider Content Delivery Models Single-Site, Single-Server Model Single-Site, Multiple-Server Model Multiple-Sites, Single-Server per Site Model Multiple-Site, Multiple-Server per Site Model An In-Between Model Web-Hosting Options Rationale Cost Elements and Total Cost Performance Elements Server-Side Language Support Web-Service Tools The Importance of Images Back-End Database Support Facility Location(s) Types of Web-Hosting Facilities Dedicated Hosting Shared Server Hosting Colocated Hosting Evaluation Factors

ISBN: 9781439835883
ISBN-10: 1439835888
Audience: Tertiary; University or College
Format: Hardcover
Language: English
Number Of Pages: 304
Published: 12th October 2010
Publisher: CRC PR INC
Country of Publication: US
Dimensions (cm): 23.37 x 15.49  x 2.29
Weight (kg): 0.57
Edition Number: 2
Edition Type: New edition