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Abstract. Constrained devices equipped with a microcontroller and a low-power low-bitrate wireless interface are becoming part of the Internet. We investigate whether the monitoring and configuration of such constrained devices can be performed by adapting the Simple Network Management Protocol (SNMP) to the capabilities of these devices. To this end, we have implemented an SNMP agent under the Contiki operating system. We provide an analysis of its resource requirements and its runtime behaviour on an 8-bit AVR Raven platform.

Telemetry is an important function of the Internet of Things as it is being developed and deployed today. Of particular interest within this area are energy monitoring services. In this paper we describe WattsApp, a social telemetry gathering and comparison platform, which was built as a demonstrator that integrates technologies from embedded systems to mobile applications. We used the SNMP protocol stack developed for the Contiki embedded operating system to retrieve telemetry information from a hardware interface that reads data from S0 meters (e.g., power meters, fluid meters). A web interface and an Android mobile application lets users view this data. To ensure privacy of users' data, it is only stored at users' own premises and all communication takes place over encrypted connections. This paper provides an overview of the implementation of WattsApp.

YANG-the Network Configuration Protocol (NETCONF) Data Modeling Language-supports modeling of a tree of data elements that represent the configuration and runtime status of a particular network element managed via NETCONF. This memo suggests enhancing YANG with supplementary modeling features and language abstractions with the aim to improve the model extensibility and reuse. Status of This Memo This document is not an Internet Standards Track specification; it is published for examination, experimental implementation, and evaluation. This document defines an Experimental Protocol for the Internet community. This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Not all documents approved by the IESG are a candidate for any level of Internet Standard; see Section 2 of RFC 5741. Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at http://www.rfc-editor.org/info/rfc6095. Linowski, et al.