Marijke Kaat received her MSc in Computer Science from the University of Amsterdam. She worked at the network management department of SARA before joining SURFnet as a network services manager. She is involved in the Next Generation Ethernet service design and architectural activities for SURFnet7 as part of the Gigaport3 project. Marijke has a solid experience in internet architecture and routing and was involved in the early operations of the Amsterdam Internet Exchange. She is also part time lecturer Computer Science at the Amsterdam University of Applied Sciences.