Content Delivery Networks

Scalability Rules: 50 Principles for Scaling Web Sites

Scalability Rules: 50 Principles for Scaling Web Sites


Scalability Rules is the easy-to-use scalability primer and reference for every architect, developer, web professional, and manager. Authors Martin L. Abbott and Michael T. Fisher have helped scale more than 200 hypergrowth Internet sites through their consulting practice. Now, drawing on their unsurpassed experience, they present 50 clear, proven scalability rules–and practical guidance for applying them.

Abbott and Fisher transform scalability from a “black art” to a set of realistic, technology-agnostic best practices for supporting hypergrowth in nearly any environment, including both frontend and backend systems.

For architects, they offer powerful new insights for creating and evaluating designs. For developers, they share specific techniques for handling everything from databases to state. For managers, they provide invaluable help in goal-setting, decision-making, and interacting with technical teams. Whatever your role, you’ll find practical risk/benefit guidance for setting priorities–and getting maximum “bang for the buck.”

  • Simplifying architectures and avoiding “over-engineering”
  • Scaling via cloning, replication, separating functionality, and splitting data sets
  • Scaling out, not up
  • Getting more out of databases without compromising scalability
  • Avoiding unnecessary redirects and redundant double-checking
  • Using caches and content delivery networks more aggressively, without introducing unacceptable complexity
  • Designing for fault tolerance, graceful failure, and easy rollback
  • Striving for statelessness when you can; efficiently handling state when you must
  • Effectively utilizing asynchronous communication
  • Learning quickly from mistakes, and much more More info →
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    High Performance Web Sites: Essential Knowledge for Front-End Engineers

    High Performance Web Sites: Essential Knowledge for Front-End Engineers


    Want your web site to display more quickly? This book presents 14 specific rules that will cut 25% to 50% off response time when users request a page. Author Steve Souders, in his job as Chief Performance Yahoo!, collected these best practices while optimizing some of the most-visited pages on the Web. Even sites that had already been highly optimized, such as Yahoo! Search and the Yahoo! Front Page, were able to benefit from these surprisingly simple performance guidelines.

    The rules in High Performance Web Sites explain how you can optimize the performance of the Ajax, CSS, JavaScript, Flash, and images that you've already built into your site -- adjustments that are critical for any rich web application. Other sources of information pay a lot of attention to tuning web servers, databases, and hardware, but the bulk of display time is taken up on the browser side and by the communication between server and browser. High Performance Web Sites covers every aspect of that process.

    Each performance rule is supported by specific examples, and code snippets are available on the book's companion web site. The rules include how to:

    • Make Fewer HTTP Requests
    • Use a Content Delivery Network
    • Add an Expires Header
    • Gzip Components
    • Put Stylesheets at the Top
    • Put Scripts at the Bottom
    • Avoid CSS Expressions
    • Make JavaScript and CSS External
    • Reduce DNS Lookups
    • Minify JavaScript
    • Avoid Redirects
    • Remove Duplicates Scripts
    • Configure ETags
    • Make Ajax Cacheable
    • If you're building pages for high traffic destinations and want to optimize the experience of users visiting your site, this book is indispensable.

    "If everyone would implement just 20% of Steve's guidelines, the Web would be adramatically better place. Between this book and Steve's YSlow extension, there's reallyno excuse for having a sluggish web site anymore."

    -Joe Hewitt, Developer of Firebug debugger and Mozilla's DOM Inspector

    "Steve Souders has done a fantastic job of distilling a massive, semi-arcane art down to a set of concise, actionable, pragmatic engineering steps that will change the world of web performance."

    -Eric Lawrence, Developer of the Fiddler Web Debugger, Microsoft Corporation

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    Content Delivery Networks: Web Switching for Security, Availability, and Speed

    Content Delivery Networks: Web Switching for Security, Availability, and Speed


    Offers an introduction to the Content Networking market, and describes the players, the problems, and the solutions to the problems facing companies seeking to provide services via the Internet. This book also covers the underlying technologies, such as HTTP and SSL.

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    A Practical Guide to Content Delivery Networks

    A Practical Guide to Content Delivery Networks


    With a practical and organized approach to learning and implementation, A Practical Guide to Content Delivery Networks presents a step-by-step process for building a highly available and highly scalable content delivery network (CDN). CDN refers to the infrastructure behind any service that provides utility or access to data to an end user. This book offers terminology, tactics, potential problems to avoid, and individual layers of design, providing clear understanding of the framework for CDNs using a structural and visual approach. The text emphasizes a best-of-breed strategy, allowing a technically sound CDN to be conceived and built on almost any budget.

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