[gregr401]

Date of the first RFC is from 2000. I wouldn't hold my breath. Besides, SPDY enablement simply relies on browser / middleware updates changes which can iterate quickly compared to networking gear that needs to support the protocol shift. This was a large factor in building SPDY on top of an existing stack.

[Zash]

Look at how old IPv6 is, and how long it took to get people to start deploying.