I want the next generation web here SPDY QUIC
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I want the next generation web here SPDY QUIC
A review of the SPDY and QUIC protocols
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Agenda
•History•What’s up with HTTP?•SPDY•QUIC•Security•The Future
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About Me
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About Me
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About Me
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Before we start
ASK
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What is SPDY?
•What?•Why?
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What is QUIC?
•What?•Why?
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History
•HTTP 0.9 - First documented in 1991•HTTP 1.0 - First documented in 1996•HTTP 1.1 – Released in 1997•HTTP 1.1 – Updated in 1999
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What’s up with HTTP?
•Connections•Latency•Headers
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What’s up with HTTP?
Home.aspx
Logo.jpgTime
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What’s up with HTTP?
Home.aspx
Logo.jpg
Time
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What’s up with HTTP?
"A single-user client SHOULD NOT maintain more than 2 connections with any server or proxy"
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What’s up with HTTP?
Source: Akamai State of the Internet Report
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What’s up with HTTP 1.1?
Resources
Time
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History
•183 Resources•44 Domains•25 HTML Pages•2MB of text content
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What’s up with HTTP?
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What’s up with HTTP?
GET /news/ HTTP/1.1
Host: www.bbc.co.uk
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:29.0) Gecko/20100101 Firefox/29.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://www.bbc.co.uk/news/england/
Cookie: NTABS=B0; BBC-UID=2583816c740b5213b567deae81f1f11c5e89720eae48c3293395badd482afad00Mozilla%2f5%2e0%20%28Windows%20NT%206%2e1%3b%20WOW64%3b%20rv%3a27%2e0%29%20Gecko%2f20100101%20Firefox%2f27%2e0; BGUID=e513614cf47b72b7916877ff1183a8509e60292969e8942b1e4157e7578c4078; s1=531C4B275C0603BA; ecos.dt=1400334549086; ckns_policy=111; ckpf_mandolin=%22footer-promo%22%3A%7B%22segment%22%3Anull%2C%22end%22%3A%221400939293613%22%7D; _chartbeat2=0nohd0na7hc3kcd7.1400334522757.1400334540677.1; _chartbeat_uuniq=1; BBCLiveStatsClick=nav|1|0
DNT: 1
Connection: keep-alive
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What’s up with HTTP?
GET /news/ HTTP/1.1Host: www.bbc.co.uk
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SPDY
Source: The Chromium Projects
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SPDY
•Multiplexing•Prioritisation•Header Compression•Server Push & Server Hint
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SPDY
•Multiplexing•Prioritisation•Header Compression•Server Push & Server Hint
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SPDY?Home.aspxLogo.jpgImage.bmp
Logo.jpg
Image.bmp
Home.aspx
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SPDY
•Multiplexing•Prioritisation•Header Compression•Server Push & Server Hint
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SPDY
•Multiplexing•Prioritisation•Header Compression•Server Push & Server Hint
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What’s up with HTTP?
GET /news/ HTTP/1.1
Host: www.bbc.co.uk
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:29.0) Gecko/20100101 Firefox/29.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://www.bbc.co.uk/news/england/
Cookie: NTABS=B0; BBC-UID=2583816c740b5213b567deae81f1f11c5e89720eae48c3293395badd482afad00Mozilla%2f5%2e0%20%28Windows%20NT%206%2e1%3b%20WOW64%3b%20rv%3a27%2e0%29%20Gecko%2f20100101%20Firefox%2f27%2e0; BGUID=e513614cf47b72b7916877ff1183a8509e60292969e8942b1e4157e7578c4078; s1=531C4B275C0603BA; ecos.dt=1400334549086; ckns_policy=111; ckpf_mandolin=%22footer-promo%22%3A%7B%22segment%22%3Anull%2C%22end%22%3A%221400939293613%22%7D; _chartbeat2=0nohd0na7hc3kcd7.1400334522757.1400334540677.1; _chartbeat_uuniq=1; BBCLiveStatsClick=nav|1|0
DNT: 1
Connection: keep-alive
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SPDY
•Multiplexing•Prioritisation•Header Compression•Server Push & Server Hint
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SPDY
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SPDY
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SPDY
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SPDY
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SPDY
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SPDY?TLS Request + Next Protocol
TLS Response
SPDY Request
SPDY Response
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SPDY
•NPN Support Added 1.0.1•ALPN Support Added 1.0.2
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QUIC
•Remove head-of-line-blocking•0RTT•Recover lost packets•Congestion control•Network change survival
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QUIC
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QUIC
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QUIC
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QUIC
“The middle box problem”
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QUICConnect
Certificate
Negotiation
Response
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Security
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SPDY Security
•Header injection
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SPDY Security
“complexity is the worst enemy of security”
"The only way to evaluate the security of a system is to analyze it“
Source: Bruce Schneier
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SPDY Security
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Security
•Certificate Revocation•Malicious servers•Content inspection•Other new attack vectors
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Security
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QUIC Security
•Privacy•Authentication•Integrity
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QUIC Security
•Replay Protection•Dos Protection•Address Spoofing Detection
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QUIC Security
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QUIC Security
•Cross-connection attacks?•Embryonic attacks?•Memory exhaustion?•DDoS
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The Future
•Web Clients•Web Servers•Internet Infrastructure•Network Infrastructure•SSL Stacks
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The Future
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The Future
•Libspdy - C•Net-http-spdy – Ruby•Spdylay – Python•http2-katana – C#•Jetty – Java•Erlnag-spdy - Erlang
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The Future
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Europe
Manchester - Head Office
Cheltenham
Edinburgh
Leatherhead
London
Munich
Amsterdam
Zurich
North America
Atlanta
Chicago
New York
San Francisco
Seattle
Austin
Australia
Sydney