IoT Connectivity Services

I am looking for a trainer to provide advanced IoT training, specifically in the area of networking. I would like the training to be delivered online as it is the most convenient option for me. The trainer should be knowledgeable in the area of advanced networking and experienced in delivering training in this field. The ideal candidate should be able to provide quality information to help me gain an in-depth understanding of the subject.

IoT Application layer Protocol
• HTTP
• CoAP
• AMQP
• MQTT
• Websocet
• XMPP
• Comparison of the communication (application layer) protocols
• How to select a application layer Protocol based on Use Case