This is an announcement of an IETF-wide Call for Comment on draft-iab-iotsu-workshop-01. The document is being considered for publication as an Informational RFC within the IAB stream, and is available for inspection at: https://datatracker.ietf.org/doc/draft-iab-iotsu-workshop/ The Call for Comment will last until 2017-03-08. Please send comments to architecture-discuss@ietf.org and iab@iab.org. Abstract This document provides a summary of the 'Workshop on Internet of Things (IoT) Software Update (IOTSU)' which took place at Trinity College Dublin, Ireland on the 13th and 14th of June, 2016. The main goal of the workshop was to foster a discussion on requirements, challenges and solutions for bringing software and firmware updates to IoT devices. This report summarizes the discussions and lists recommendations to the standards community.