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SPDY Protocol

SPDY Protocol

SPDY Protocol definition

SPDY Protocol was an open networking protocol aimed at speeding up web content delivery. It enhanced HTTP with features like multiplexed streams and compressed headers, working over TLS/SSL for added encryption and security. This protocol is not in use anymore.

See also: communication protocol

History of SPDY Protocol

Developed by Google in 2009, the SPDY Protocol aimed to accelerate web browsing beyond the capabilities of HTTP/1.1. It introduced stream multiplexing, header compression, and prioritized requests to reduce web page load times.

First implemented in Google Chrome, SPDY quickly gained adoption in other major browsers, showcasing its efficiency in optimizing web traffic. Its most significant contribution was shaping the development of HTTP/2, which integrated many of SPDY’s features. Google deprecated SPDY in 2016.

Downsides of a secure copy protocol

  • Encryption overhead. SPDY’s reliance on SSL/TLS encryption for all its traffic while enhancing security introduced significant overhead.
  • Compatibility issues. As an augmentation to HTTP, SPDY faced compatibility challenges with some existing network infrastructure and web applications. These compatibility issues could lead to inconsistencies in website performance.
  • Complex implementation and maintenance. Implementing SPDY required web server and browser changes, making its adoption and maintenance complex.

Further reading

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