Explanation: The internet of Thing is the global system of interconnected computer networks that use the Internet Protocol suite (TCP/IP) to link billions of devices worldwide.

Explanation: IETF 6LoWPAN enables seamless integration of LoWPAN devices with internet leveraging IPv6 large address space and appln. Layer protocol reuse.

Explanation: IETF CoAP – open application layer specification for constrained nodes supporting HTTP and Web integration.

Explanation: RFID/NFC – tags, devices, smart phones useful in product / object identification and gathering associated information.

Explanation: Bluetooth SMART devices support low energy radio operations like, heart rate monitors, blood glucose monitors suitable for health care and fitness etc.

Explanation: IEEE 802.15.4.LoWPAN – specification defining the PHY and MAC layer of low power devices supporting 250 Kb/s data rate, small packet size 127 bytes.

Layer 2 forwarding.

Explanation: CoAP is an application layer protocol (IETF draft) for resource constrained devices. Adheres to the Restful approach for managing the resources and support mapping to HTTP.

Explanation: CoAP is an application layer protocol (IETF draft) for resource constrained devices. Adheres to RESTful approach for managing resources and support mapping to HTTP.

Explanation: CoAP is an application layer protocol (IETF draft) for resource constrained devices. Adheres to Restful approach for managing resources and support mapping to HTTP. CoAP resources are identified by Uniform Resource Identifiers.

Explanation: CoAP is an application layer protocol (IETF draft) for resource constrained devices. It is Asynchronous message interactions over UDP, Request/Response semantics CoAP resources are identified by Uniform Resource Identifiers.

Explanation: CoAP messages are short – 4 bytes header followed by options (Typically, 10-20 bytes header).

Reset.

DELETE.

Explanation: WSN – Wireless Sensor Network comprises of motes running a WSN application and a light weight CoAP server.