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SPDY
 

SPDY

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SPDY is an experimental Application layer protocol.

SPDY is an experimental Application layer protocol.

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    SPDY SPDY Presentation Transcript

    • SPDYLets make the web faster A Technical Talk By Rajeev N B
    • What is it ?Experimental Application layer protocol.Used to transport content over web with minimal latency.Augments HTTP Protocol.Trademark of Google.
    • Current ScenarioHTTP and TCP are the protocols of the web.HTTP : Application layer protocol handling request / response semantics.TCP : Transport layer protocol.
    • Drawbacks in HTTPSingle request per connection.Exclusively has client initiated requests.Uncompressed request and response headers.Redundant headers.Optional data compression.
    • Comparisons
    • Reducing Upload bytes
    • Reducing Download Bytes
    • Reducing Total packets
    • SPDY Design
    • Basic Features SPDYMultiplexed streams.Request Prioritization.HTTP header Compression.
    • Advanced featuresServer initiated streams.( Server Push and Server Hint )
    • How SPDY is better ?Achieves 50% reduction in page loading times.Is easy to implement and Deploy.Is server efficient.SSL is used for security.Bidirectional Streams.
    • What we achieve ?SPDY sends 40% lesser packets than HTTP.SPDY uses fewer number of TCP connections.SPDY : More efficient use of TCP.Faster web page loads.
    • SPDY SupportC lie n t S e rve rChrome ( 11 and Apache mod_spdy Higher) erlang_spdyAmazon Silk node_spdyFirefox ( >11v) Netty 3.3.1By default in Firefox 13 Jetty 7.6.2 Tomcat SPDY Connector
    • Is it SPDY ? SPDY Indicators• www.devthought.com/2012/03/10/chrome- spdy-indicator/ • ckon.wordpress.com/2012/03/11/spdy- indicator-for-firefox/
    • Sites with SPDYTwitter.Google sites (Gmail , Google Search etc).Wikipedia and many others.
    • For more InfoOfficial Page : http://dev.chromium.org/spdy/spdy-whitepaperWikipedia : http://en.wikipedia.org/wiki/SPDYGoogle Chrome client code (OpenSource) : http://src.chromium.org/viewvc/chrome/trunk/src/net/spdy/SPDY draft Protocol Specification : http://dev.chromium.org/spdy/spdy-protocol/spdy-protocol-draft1
    • Thank YouQ&A