The document discusses several common protocols used in internet of things networking including MQTT, SMQTT, CoAP, XMPP, and AMQP. MQTT is mentioned multiple times and appears to be the primary focus, along with discussing the basic building blocks of IoT networks.

1. Basics of IoT Networking

2. Basics of IoT Networking

3. MQTT

4. MQTT

5. MQTT

6. MQTT

7. MQTT

8. MQTT

9. MQTT

10. MQTT

11. MQTT

12. SMQTT

13. SMQTT

14. CoAP

15. CoAP

16. CoAP

17. CoAP

18. CoAP

19. CoAP

20. CoAP

21. CoAP

22. CoAP

23. XMPP

24. XMPP

25. XMPP

26. XMPP

27. XMPP

28. XMPP

29. XMPP

30. AMQP

31. AMQP

32. AMQP

33. AMQP

34. AMQP

35. AMQP

36. AMQP

37. AMQP

38. AMQP

39. AMQP

40. Basic Building Blocks of IOT