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HTTP/2
THE WEB OF FUTURE
/
Vahe Evoyan @evoyan
evoyan.org/http2-barcamp/
vahe-evoyan.github.io/http2-presentation/

WHO THE HECK IS THIS GUY?
10+ YEARS OF SW ENGINEERING
WORKS AT INSTIGATE MOBILE
ACTIVE MEMBER AND CO-LEADER AT OWASP ARMENIA

TCP INTRODUCTION
THREE-WAY HANDSHAKE
TCP SLOW START

HTTP 1.1
OPTIONS METHOD
ADVANCED CACHING
RANGE REQUESTS
COMPRESSION ALGORITHMS
PIPELINING

TOTAL TRANSFER SIZE AND TOTAL REQUESTS
2011 2012 2013 2014 2015
600
800
1,000
1,200
1,400
1,600
1,800
2,000
2,200
76
78
80
82
84
86
88
90
92
94
96
98
100
JS chart by amCharts

INLINING
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SHARDING
STATIC-1.EXAMPLE.COM

SPDY
2009
COMPRESSION
MULTIPLEXING
PRIORITIZATION
...
WAIT!

SPDY
BINARY PROTOCOL
TLS ONLY
NPN
Application (HTTP 1.1)
Session (SPDY | TLS)
Transport (TCP)
Network (IP)

TLS INTRODUCTION
THREE-WAY HANDSHAKE + NEXT PROTOCOL NEGOTIATION

HTTP/2
Application (HTTP/2)
Session (TLS)
Transport (TCP)
Network (IP)
Binary Framing
BINARY PROTOCOL
TLS IS OPTIONAL
APPLICATION-LAYER PROTOCOL
NEGOTIATION

MULTIPLEXING
STREAM - MESSAGE - FRAME

PRIORITIZATION
WEIGHTED STREAMS
DEPENDENCIES

SERVER PUSH
PUSH_PROMISE FRAMES
RST_STREAM FRAMES

AND A LOT MORE
Security Now (Ep. 495). HTTP/2
HTTP vs HTTPS - Test them both
HTTP/2 Specs (RFC 2119)
http2 explained - The HTTP/2 book

Apache
N
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MicrosoftIIS
LiteSpeed
Tomcat
Lighttpd
Tengine
Nodejs
Cowboy
Zope
Zeus
Gunicorn
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IceWarp
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Twisted
KomHttpServer
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CouchDB
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RaidenHTTPD Caudium
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Misultin
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Swazoo
Trifork
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Inets
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Comanche
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WebSiphon
Xavante
Google Servers
Apache Traffic Server
IBM Servers
Oracle Servers
Paste WSGI HTTP Server
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HTTP/2 - The Web of Future

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HTTP/2 - The Web of Future