A global project sponsored by a trade association called The Smart World Consortium which is made up of all the major networking, telecommunications and IT companies, plus selected governments, are seeking to promote the use and understanding of the IPv6 protocol in a bid to accelerate take-up of IoT devices. Imagine that you are the newly appointed Head of Knowledge at the consortium. By supplying fully-annotated diagrams, firstly compare and contrast the traditional OSI and TCP/IP protocol stacks - naming each level, describing the functions of each level and how data moves through a stack at source and destination before explaining why the adoption of IPv6 was necessary to enable the development of the IoT.