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Google Retires Spdy in Favor of Http/2

By ZDNet

February 17, 2015

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Google plans to phase out its SPDY open networking protocol in early 2016 and instead support HTTP/2 in Chrome.

The company began working on SPDY in 2009, with the aim of developing a Web protocol that would be faster than HTTP. However, Google officials note the next planned version of hypertext transfer protocol, HTTP/2, is moving toward standardization, and most of the benefits of SPDY are present in HTTP/2.

Developed by the HTTP working group, HTTP/2 is partly based on the SPDY protocol. Some of the key features of HTTP/2, such as multiplexing, header compression, prioritization, and protocol negotiation, evolved from work that was previously carried out in its non-standard open protocol, according to Google.

"We're happy to have contributed to the open standards process that led to HTTP/2, and hope to see wide adoption given the broad industry engagement on standardization and implementation," say Google officials.

Also in the upcoming weeks, Google plans to retire support for Transport Layer Security extension NPN in favor of the ALPN extension in Chrome.

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