The talk I did at 2012 Ruby Conf China. Introduction to real time web, solutions and how to choose different solution for different site.

4. Nice to meet you!
叶玎玎
yedingding@gmail.com
https://github.com/sishen
@yedingding
@yedingding
http://weibo.com/presently

5. https://pragmatic.ly

6. Let’s Begin

8. UX-driven evolution of Web

10. What’s “Real Time”?

11. Show Me!

12. Instant Messaging

13. Apple Push Notification

14. Internet Game

15. Persistent
Connection

16. Real Time in Web?

17. Persistent Connection
between
Brower and Server

18. But

19. Based on HTTP Protocol
 Request - Response Protocol


20. HTTP Protocol

 Stateless Protocol

22. Solutions
 XHR Polling
 Long Polling
 HTTP Streaming
 Flash Socket
 WebSocket
 ….

23. XHR Polling

24. Long Polling

25. HTTP Streaming

26. Flash Socket

27. WebSocket

28. XHR Long
Polling Polling
Flash
HTTP Socke
Streaming t
…… WebSocket

29. How to Choose?

30. Real Time Centric
VS
Real Time Supplemental

31. Real Examples

32. Pragmatic.ly

33. Pragmatic.ly
 WebSocket
 XHR Polling
 Long Polling
 HTTP Streaming
 Flash Socket

34. Integration Fast

35. Work Fast
http://www.devilslab.com/wp-content/uploads/2010/08/fast_snail_id86636_size350.jpg

36. Light Weight

38. Slanger
Open Source Pusher Server
Good for Dev

39. em-websocket
EventMachine based
WebSocket Server

40. HipChat

42. HipChat
 Long Polling
 XHR Polling
 HTTP Streaming
 Flash Socket
 WebSocket

43. BOSH
Bidirectional-Streams Over
Synchronous HTTP

45. Easy to Scale

46. Easy to Extend

47. Works
Everywhere
http://i.cmpnet.com/bmighty/images/slideshows/20090121/slide1A.jpg

48. Jabber Clients

49. RubyBOSH

50. stropheruby
libstrophe.js

52. Twitter Web

53. Real Time is sugar

54. Twitter Web
 XHR Polling
 Long Polling
 HTTP Streaming
 Flash Socket
 WebSocket

56. Acceptable
Smart interval

57. Save Resource

58. Twitter Streaming API

59. Twitter Streaming API
 HTTP Streaming
 XHR Polling
 Long Polling
 Flash Socket
 WebSocket

61. Low Overhead

62. Low Latency

63. API Friendly

64. Rainbow
Thin

65. Rack::Stream

66. Weibo

67. Weibo Web
 XHR Polling
 Long Polling
 HTTP Streaming
 Flash Socket
 WebSocket

68. Weibo IM
 Long Polling
 XHR Polling
 HTTP Streaming
 Flash Socket
 WebSocket

69. Bayeux Protocol

70. Faye

71. Thank You!