Best Practices in Building Websockets APIs - Elad Wertzberger, Technical Leader, Liveperson Technical sessions reviewing protocol, authentication, browser-limitations [headers,ping/pong], proxy/nginx, testing, and dropwizard-websockets. Presented at TADSummit 2016, 15-16 Nov, Lisbon in Stream 4, Contextual Comms, Conversational CRM, BOTs, reviews the practical impact of the changes happening to communications. Messaging and IP Communications as a Platform providers are diversifying the options for communications, and how businesses communicate with their customers. We are only at the early stages of this change, however, multi-channel communications, session management, automation (BOTs) and real-time analytics are delivering business results today. Attendees can learn from leading implementers where to focus efforts, and not get taken-in my the weak-minded marketing BS plaguing in this space.

1. Websockets - Best
Practice
at Liveperson
Elad Wertzberger | Tech Lead
‫סב"ד‬

2. • Websocket Basics
• Websocket Real Life experience

3. Server Push
Notification Demo

7.  Bi-directional
 Full-duplex communication channel
 Single TCP connection

8. Browser Java Server
W3C JSR356
RFC6455

9. Java Server
JSR356

10. Browser
W3C

11. Browser Java Server
GET /chat HTTP/1.1
Host: server.example.com
Upgrade: websocket
Connection: Upgrade
Origin: http:example.com
Sec-Websocket-Protocol: chat
Sec-Websocket-Version: 13

12. Browser Java Server
HTTP/1.1 101 Switching Protocols
Upgrade: websocket
Connection: Upgrade
Sec-Websocket-Protocol: chat

15. http://caniuse.com/

17. Light SideVs Dark Side
(of Websockets)

29. Upgrade Error Demo

31. Our Solution:
Our Solution:

32. Websocket Error
After Upgrade Demo

36. Our Solution:
Our Solution:

41. Our Solution:
Our Solution:

44. Our Solution:
.

45. • Our Solution part 1: upgrade Jmeter

46. • Our Solution:

47. Our Solution: moved to json_scheme

49. our solution:
• Server map between rest requests and
websocket sessions.
• Server buffer all the responses from the web
socket.
• Client uses the REST pooling in order to get
the data.

50. Github repository