3 Abbreviations and acronyms

For the purposes of the present document, the following abbreviations and acronyms apply:

ACK CoAP Acknowledgement message
AE Application Entity
CON CoAP Confirmable message
CSE Common Service Entity
DTLS Datagram Transport Layer Security
HTTP Hyper Text Transfer Protocol
IANA Internet Assigned Numbers Authority
IP Internet Protocol
NON CoAP Non-confirmable message
RST CoAP ReSeT message
TCP Transport Control Protocol
TLS Transport Layer Security
TLV Tag - Length - Value (data structure)
UDP User Datagram Protocol
URI Uniform Resource Identifier
XML eXtensible Markup Language