This is HTTP
A big friendly unsecured clear-text, line-oriented bear.
This is SPDY
A multi-plexed binary TLS-wrapped protocol from the future.
SPDY (pronounced speedy) is a replacement for HTTP, and feels like a wrapper for it. SPDY is a packet (frame) oriented binary protocol, usually wrapped in TLS (SSL), and as such a little harder to follow than HTTP. Our care free days in the jungle, surviving on the bare necessities and debugging connections with telnet, are coming to an end. In exchange, we get faster loading apps, which are secure by default.
The most important goal of SPDY is to transport web content using fewer TCP connections. It does this by multiplexing large numbers of transactions onto one TLS connection.
– From: http://hacks.mozilla.org/2012/02/spdy-brings-responsive-and-scalable-transport-to-firefox-11/
SPDY should require no changes to a web application, in the same way that you can usually ignore whether your app ...