IPng: Requirements Presented by Jon Crowcroft/University College London Biography: Jon Crowcroft is a senior lecturer in the Department of Computer Science, University College London, where he is responsible for a number of European and US funded research projects in multi-media communications. A recent project just completed worked on protocol migration (Internet and OSI). He graduated with a degree in Physics from Trinity College, Cambridge University in 1979, and gained his MS in Computing in 1981, and PhD in 1993. He is a member of the ACM, the British Computer Society and the IEEE. He will be general chair for the ACM SIGCOMM 94 symposium. He is also on the editorial teams for the Journal of High Speed Networks and IEEE Network. Current projects which reflect his interests include: an ARPA funded project building multimedia over multi-service networks, a RACE prepare project piloting ATM for conferencing systems, and an ESA project investigating load balancing for space craft control systems. This presentation does not report on the decision process, but on the requirements process for the Next Generation Internet Protocol, and in particular, detailing the contents of the criteria as captured by Craig Partridge and Frank Kastenholz in their Internet-Draft.