State of the art of IETF security related protocols for IoT

National audienceThe Internet of Things (IoT) is becoming a reality and the Internet Engineering Task Force (IETF) is the main open standardization body responsible for it. The IoT implies billions of new devices connected to the Internet and, while several problems like interoperability and routing have been solved, security solutions suited for IoT are still an active field of research. This document is a survey of the state of the art at IETF of security related protocols for IoT. The needed IETF background and a highlight of current efforts on security for IoT is offered. An insight of unsolved problems and future perspectives on IETF concludes this survey. This is an informational document and detailed description of the protocols is not on scope