HTTP/2 and SPDY
So far, we have discussed the lower layers of the ISO model with SSL, TCP, and Ethernet capabilities. The last piece of this puzzle is the application layer. This is where HTTP/2 and SPDY come in.
Now, HTTP 1.1 is the de facto standard of the Web, it has been around for 11 years and is not optimized for today's Internet.
Over the years, Google has done a lot of work trying to improve this web protocol. The company got as far as creating its own protocol, which was called SPDY. This protocol uses prioritizing and connection multiplexing, which allows the communication flow to go a lot faster. It also has the transmission headers sent using GZIP or deflate, and since the headers are sent in a binary format instead of a readable text ...
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