Hannes Tschofenig, and Henning Schulzrinne are the editors of the IP-based Emergency Services book.
Hannes co-chaired the IETF ECRIT working group from 2005 to early 2010. For his work in the area of IP-based emergency services he received the ‘Outstanding Vision for 112′ award from the European Emergency Number Association (EENA) and later even became the co-chair of the EENA Next Generation 112 Technical Committee. He contributed to the technical specifications developed within the National Emergency Number Association (NENA), is a contributor to the work in the ECRIT as well as the IETF GEOPRIV working group, and co-chairs the Emergency Services Workshop series. He has published several articles on emergency services, including an article on ‘Emergency Services for Internet Multimedia’ in the December 2010 edition of the IP Protocol Journal and a CACM article on ‘Security Risks in Next-Generation Emergency Services’ from November 2011.
Hannes co-chaired the IETF Provisioning of Symmetric Keys (keyprov) and the Diameter Maintenance and Extensions (dime) working groups. Currently he co-chairs the Web Authorization Protocol (OAuth) working group developing solutions for secure and privacy-friendly data sharing on the Internet. Hannes frequently gives talks about various security and privacy related topics and is a Certified Information Privacy Professional Europe and US (CIPP/E – CIPP/US) of the International Association of Privacy Professionals (IAPP). As an active participant with over 40 RFCs he likes to work with others in different areas in the IETF.
Henning Schulzrinne is the Chief Technology Officer (CTO) for the United States Federal Communications Commission, having been appointed to that role on December 19, 2011. Previously he was chair of the Computer Science department at Columbia University. He is a co-chair of the Internet Technical Committee of the IEEE Communications Society.
Schulzrinne studied at the German TU Darmstadt in Darmstadt, where he earned his Vordiplom (cf. Diplom), then went on to earn his M.Sc. at the University of Cincinnati and his Ph.D. at the University of Massachusetts Amherst. From 1994 to 1996 he worked in Berlin at the Fraunhofer-Institut für Offene Kommunikationssysteme, an institute of the Fraunhofer Society. Schulzrinne is an editor of the Journal of Communications and Networks.
Schulzrinne co-designed the Session Initiation Protocol along with Professor Mark Handley, the Real Time Streaming Protocol, the Real-time Transport Protocol, the General Internet Signaling Transport Protocol, part of the Next Steps in Signaling protocol suite.