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Completely remove SPDY

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Loïc Hoguin 2016-03-06 17:48:35 +01:00
parent b370442a63
commit 7bdd710849
15 changed files with 21 additions and 766 deletions
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28
doc/src/guide/modern_web.asciidoc
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@ -180,35 +180,21 @@ A Websocket connection can be used to transfer any kind of data,
small or big, text or binary. Because of this Websocket is
sometimes used for communication between systems.
=== SPDY
=== HTTP/2
SPDY is an attempt to reduce page loading time by opening a
HTTP/2 is an attempt to reduce page loading time by opening a
single connection per server, keeping it open for subsequent
requests, and also by compressing the HTTP headers to reduce
the size of requests.
SPDY is compatible with HTTP/1.1 semantics, and is actually
HTTP/2 is compatible with HTTP/1.1 semantics, and is actually
just a different way of performing HTTP requests and responses,
by using binary frames instead of a text-based protocol.
SPDY also allows the server to send extra responses following
HTTP/2 also allows the server to send extra responses following
a request. This is meant to allow sending the resources
associated with the request before the client requests them,
saving latency when loading websites.
SPDY is an experiment that has proven successful and is used
as the basis for the HTTP/2.0 standard.
Browsers make use of TLS Next Protocol Negotiation to upgrade
to a SPDY connection seamlessly if the protocol supports it.
The protocol itself has a few shortcomings which are being
fixed in HTTP/2.0.
=== HTTP/2.0
HTTP/2.0 is the long-awaited update to the HTTP/1.1 protocol.
It is based on SPDY although a lot has been improved at the
time of writing.
HTTP/2.0 is an asynchronous two-ways communication channel
between two endpoints.
Browsers make use of TLS Application-Layer Protocol Negotiation
extension to upgrade to an HTTP/2 connection seamlessly if the
server supports it.