Websockets with ruby

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Stoyan Zhekov

Technology

CURRENT WEB (HTTP)

Request
Response
Close

SERVER TO BROWSER

Polling
Long Polling
Streaming

PUSH TO BROWSER

Flash Socket
XMPP (BOSH)
WebSockets

“Comet is dead
long live
websockets”
-- Joe Armstrong

http://www.websockets.org/

WEBSOCKETS
“WebSockets is a technology
providing for bi-directional,
full-duplex communications
channels, over a single Transmission
Control Protocol (TCP) socket,
designed to be implemented in
web browsers and web servers.”

--wikipedia

http://dev.w3.org/html5/websockets/

http://bit.ly/9ioTAl

BROWSERS
•Chrome 4.0+
• WebKit Nightly Builds

• Firefox 4.0 (Nov 2010)?

EMULATION

http://github.com/gimite/web-socket-js

WHAT YOU WANT?

• Chat

• Stocks

• Games

• Real Time Notiﬁcations

GAMES

http://code.google.com/p/quake2-gwt-port/

REAL TIME NOTIFY

http://hummingbirdstats.com/

EM-WEBSOCKET
http://github.com/igrigorik/em-websocket

http://rainbows.rubyforge.org/sunshowers/

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Websockets with ruby

1. WEBSOCKETS WITH RUBY by Stoyan Zhekov

3. CURRENT WEB ( HTTP ) Broken!

4. CURRENT WEB (HTTP) Request Response Close

5. Mailman

6. Real Time Bidirectional Full Duplex

8. SERVER TO SERVER PubSubHubBub XMPP

9. SERVER TO BROWSER Polling Long Polling Streaming

10.

11. PUSH!

12. PUSH TO BROWSER Flash Socket XMPP (BOSH) WebSockets

13. “Comet is dead long live websockets”

14. “Comet is dead long live websockets” -- Joe Armstrong

15. THEORY

16. http://www.websockets.org/ WEBSOCKETS “WebSockets is a technology providing for bi-directional, full-duplex communications channels, over a single Transmission Control Protocol (TCP) socket, designed to be implemented in web browsers and web servers.” --wikipedia

17. http://dev.w3.org/html5/websockets/ http://bit.ly/9ioTAl

18. BROWSERS •Chrome 4.0+ • WebKit Nightly Builds • Firefox 4.0 (Nov 2010)?

19. EMULATION http://github.com/gimite/web-socket-js

20. WS:// WSS://

21.

22. HANDSHAKE

23. DATA FRAME 0x00”...UTF-8...”xFF

24. SIMPLE

25. IMPLEMENTATION

26. Not Easy

27. SECURITY

28. PERFORMANCE