CSC364 Lecture 10

Introduction to Networked, Distributed, and Parallel Computing
Publisher-Subscriber
(202602)

Transcript

1. Dr. Javier Gonzalez-Sanchez javiergs@calpoly.edu www.javiergs.info o ffi ce: 14 -227 CSC 364 Introduction to Networked, Distributed, and Parallel Computing Lecture 10. Publisher-Subscriber 1
2. Message Queuing 2
3. MQTT Architecture Broker • The centr a l server th a t h a ndles mess a ge distribution. • Ex a mples: Mosquitto, HiveMQ, EMQX, AWS MQ. Clients • Devices or a pplic a tions th a t publish (send) a nd subscribe (receive) mess a ges. • Ex a mples: Sensors, mobile a pps, a nd IoT devices. Topics • Hier a rchic a l n a mesp a ces for org a nizing mess a ges. • Ex a mple: home/livingRoom/temper a ture. 3
4. MQTT Work f low Connect • Clients connect to the broker. Subscribe • Clients subscribe to topics of interest. Publish • Clients publish mess a ges to topics. Receive • Clients receive mess a ges from topics they a re subscribed to. Disconnect • Clients disconnect from the broker. 4
5. Multiplayer Brokerverse
6. MultiPlayer Game 6
14. Questions 14
15. Lab.
16. 16 To be continued… "tcp://test.mosquitto.org:1883"
17. 17 To be continued… "tcp://broker.hivemq.com:1883"
18. 18 To be continued… brew install mosquitto
19. 19 To be continued… Eclipse Mosquitto Downloads
20. Chat 20 Remote: Local: ABC Remote: ABC Local:
21. Game 21
22. Pong 22 https://github.com/CSC3100/Pong-Game
23. CSC 364 Introduction to Introduction to Networked, Distributed, and Parallel Computing Javier Gonzalez-Sanchez, Ph.D. javiergs@calpoly.edu Winter 2026 Copyright. These slides can only be used as study material for the class CSC 364 at Cal Poly. They cannot be distributed or used for another purpose. 23