What are the different layers of IOT protocol Stack ?

Question

Several messages are exchanged between UE and network nodes (eNodeB and MME) during attach procedure. I want to know in which all stages timers are used to guard various sub procedures of LTE attach procedure.

Answer 1

Layers of IOT protocol

Infrastructure (ex: 6LowPAN, IPv4/IPv6, RPL)

Identification (ex: EPC, uCode, IPv6, URIs)

Comms / Transport (ex: Wifi, Bluetooth, LPWAN)

Discovery (ex: Physical Web, mDNS, DNS-SD)

Data Protocols (ex: MQTT, CoAP, AMQP, Websocket, Node)

Device Management (ex: TR-069, OMA-DM)

Semantic (ex: JSON-LD, Web Thing Model)

Multi-layer Frameworks (ex: Alljoyn, IoTivity, Weave, Homekit)

Security

Industry Vertical (Connected Home, Industrial, etc)