Internet Architecture Board




The IAB is composed of twelve members selected by the IETF Nominations Committee, the IETF Chair (also selected by the IETF Nominations Committee), and several ex-officio and liaison positions.

IAB Members

Jari Arkko, Ericsson – IETF Chair

Jari Arkko Jari Arkko is an Expert on Internet Architecture with Ericsson Research in Jorvas, Finland. At the IETF, he has served six years as one of the Internet Area Directors in the Internet Engineering Steering Group (IESG). He has published 32 RFCs, including specifications for Mobile IPv6, EAP-AKA, Diameter, SEND, and various IPv6 related documents. He has previously served as a chair of three IETF working groups, and has created and terminated over a dozen of working groups at the IETF in his Area Director role.

Jari also serves as a chair of the Technical Advisory Board for the IP Smart Objects Alliance (IPSO) and works in a number of research projects at Ericsson. In the past, Jari has worked in the implementation of routers, VPN software, testing tools, modem banks, cellular network nodes, AAA systems, compilers, and AI systems. He received his Licentiate’s degree from Helsinki University of Technology in 1996. Jari’s main interests in the Internet include architecture, IPv6, small implementations, the Internet of Things, social media, Internet governance, and cutting through hype that often surrounds some aspects of our technology. He likes to build and and use the technology that he works with. For instance, he moved to an IPv6-only network in 2010 and builds smart home networks as a hobby. He frequently communicates with his laundry on Facebook.

Mary Barnes – IAB Liaison to the IESG

Mary Barnes Mary Barnes has been involved in system architecture and product development for real-time communication systems for over 25 years, focusing for the past 13 years on IP communications and standards development. She has been an active contributor to the IETF since 2001. She is the author of RFCs relating to the Session Initiation Protocol (SIP), Centralized Conferencing, NAT/Firewall traversal and Geographic Location Delivery. She currently serves as chair of the IETF DISPATCH and the CLUE working groups in the RAI Area. She is past chair of the IETF Nominations Committee (2009-2010) and the SIPPING working group. She is a member and past secretary of the General Area Review Team (Gen-ART). She is also a member of the SIP Forum board of directors and serves as vice-chair of the Unified Communications Interoperability Forum (UCIF) Technical working group.

She joined Polycom as a Principal Engineer in the CTO Video Solutions Group in June, 2010. Prior to joining Polycom, Mary was a Senior Advisor for Nortel, leading the IETF standards strategy for the Carrier VoIP business unit (now Genband). During her 22 years at Nortel, she developed software for GSM and Enterprise products and was involved in 3G IP research, prototyping an all IP based core network in 1998. In this role, she participated in the 3G related standards forums (3G.IP and MWIF) and contributed to the 3GPP proposal that resulted in SIP being selected as the call control protocol for IMS. She served as vice-chair of the Architecture working group in the Mobile Wireless Internet forum (MWIF). Prior to joining Nortel, Mary developed real-time embedded software for GPS and video reconnaissance systems for Texas Instruments. Mary has a BS in Computer Science with a minor in Nuclear Engineering from the University of Virginia in Charlottesville, Virginia.

Marc Blanchet, Viagénie

Mark Blanchet Marc Blanchet is President of Viagenie, a consulting and R&D firm in advanced IP networking engineering, with focus on IPv6, VoIP, internationalisation and space networking.

Since 20 years, Marc has been involved in IPv6 engineering and deployment, as co-founder and CTO of Hexago, author of IETF documents (RFC3531, 5156, 5572), architect and co-implementor of the freenet6, the Tunnel Setup Protocol, project lead of the DNS64/NAT64 Viagenie implementation and other IPv6 initiatives. He co-ported Asterisk to IPv6. Marc was on the first board of the IPv6Forum and has been Vice-Chair of the Canadian ISACC IPv6 Task Group.

Marc has been involved in internationalisation of the Internet, as co-chair of the initial internationalized domain names (idn), vcarddav, precis and iri IETF working groups and co-author of internationalisation protocols (RFC3454, RFC3491).

Marc is also involved in space networking, by chairing the CCSDS SANA working group and is the architect of the SANA registry for space protocols.

Marc authored the “Migrating to IPv6″ book published by Wiley and co-authored the Cisco IPv6 course. Marc received a master’s degree in electrical engineering from Laval University.

Joel Halpern, Ericsson

Joel Halpern Joel Halpern is a Principal Technologist in the DUIB Technology, Network Architecture group at Ericsson. Within the IETF, he currently co-chairs the LISP and KARP working groups, and is active in many other working groups. Over the years, Joel has served as the Routing Area director, has chaired working groups in the Internet Routing, and O&M areas, as well as authoring RFCs in all of those areas as well as the Transport area. In the past, he was also active in other standards bodies ranging from the ATM Forum to ANSI X3S3.3.

In terms of employment, Joel has been designing router-like devices since 1983, including working for Network Systems Corporation and Newbridge Networks. He was CTO of two different startups, and worked for several years as an independent consultant working for industry, government, and as a legal expert on patent matters. Joel graduated in 1978 from the University of Minnesota with a Bachelors in Mathematics.

Ted Hardie, Google

spacer Ted Hardie currently works for Google, putting networks, protocols, and people together in new and optimal ways.

Ted first worked in the Internet field in 1988 when he joined the operations staff of the SRI NIC. He later became the technical lead for the NASA NIC, part of the NASA Science Internet project. After leaving NASA, he joined Equinix as its initial Director of Engineering before taking on the role of Director of Research and Development. He was an early-stage executive at Nominum before joining Qualcomm R & D. While he was Qualcomm’s Director of Internet and Wireless, he served the Internet community as a member of the Internet Architecture Board and as an Applications Area Director for the IETF. He served as Trustee of the Internet Society from 2007 to 2010, and as its Treasurer in 2008 to 2010, while Managing Director of Panasonic’s Silicon Valley Wireless Research Lab.

Dr. Hardie received his bachelor’s degree from Yale and his doctorate from Stanford. He has been a Fulbright Fellow and a Yale-China Fellow, both in Hong Kong.

Joe Hildebrand, Cisco

Joe Hildebrand Joe Hildebrand is a Cisco Distinguished Engineer in the Corporate Technology Group, which builds corporate-scale technology strategies for Cisco. Previously, he ran architecture for WebEx, was the CTO at Jabber Inc., was the Chief Architect at a custom software development company, built battlefield messaging systems, and engineered robots and their control systems for safety-critical applications. Joe has co-chaired several IETF working groups, including XMPP and HyBi, serves on the RFC Series Oversight Committee (RSOC), and has a deep interest in protocols designed for use by typical application developers. He received a B.S. in Mechanical Engineering from Virginia Tech in 1992.

Russ Housley, Vigilsec – IAB Chair

Russ Housley Russ Housley has worked in the computer and network security field since 1982, and he founded Vigil Security, LLC in September 2002. Russ began serving as the IETF Chair in March 2007. His security research and standards interests include security protocols, certificate management, cryptographic key distribution, and high assurance design and development practices. Prior to accepting the IETF Chair position, Russ served as the Security Area Director, and prior to that he chaired the Secure MIME (S/MIME) Working Group. Russ was editor for several cornerstone Internet PKI standards (including RFC 3280). In November 2004, Russ was recognized by the IEEE 802.11 working group for his contributions to IEEE 802.11i-2004, which fixes the severe security shortcoming of the Wired Equivalent Privacy (WEP). Russ received his B.S. in computer science from Virginia Tech in 1982, and he received his M.S. in computer science from George Mason University in 1992.

Eliot Lear, Cisco Systems

Eliot Lear Eliot Lear is a Principal Engineer at Cisco Systems in their Advanced Research team where he focuses these days on technology policy and identity management. A participant in the IETF since 1989, Eliot has chaired several working groups and BoFs, a research group, served on the applications directorate, is a designated expert for the TCP/UDP port registry, and has most recently served as the IETF liaison manager to the ITU-T. He is a co-author of thirteen RFCs in the Applications, Operations & Management, Internet, Transport, and General areas, as well as several independent documents. Eliot currently also serves as a co-rapporteur in the ITU-D’s Q22, “Securing information and communication networks: best practices for developing a culture of cybersecurity”.

Xing Li, Tsinghua University/CERNET Center

Xing Li Xing Li is a Professor in the Electronic Engineering Department at Tsinghua University, Beijing, China. His research activities and interests include compute networks, multimedia communication and statistical signal processing. He is also deputy director of China Education and Research Network (CERNET) Center, working on the design and operation of the CERNET (IPv4) and China Next Generation Internet (CNGI-CERNET2, IPv6) projects. He has been actively participating in IETF, in softwire, behave, v6ops and savi working groups. He is technical advisor of softwire and the co-author of 8 RFCs, including the IPv4/IPv6 transition specifications (RFC4925, RFC6052, RFC6145, etc).

Xing Li is a former Chair of APNG (Asia pacific Network Group), Member of APNIC Executive Council, Chair of APNIC database SIG and current co-chair of CCIRN (Coordinating Committee for Intercontinental Research Networking). He is also the current Chair of Internet Sub Chapter of Computer Society of China.

Xing Li received his B. S. degree in radio electronics from Tsinghua University, Beijing in 1982, and his M. S. and Ph. D. degrees in electrical engineering from Drexel University, USA in 1985 and 1989, respectively.

Erik Nordmark, Arista

Erik Nordmark Erik Nordmark works on networking software at Arista based in California, USA. He has been active in the IETF since the early 1990-ies, as key contributor to IPv6 standards,

co-chair in Mobile IP and TRILL, and as an Internet Area Director. His interest is in expanding the reach and capability of the core Internet standards to datacenters, virtualization, and towards low-powered devices, by providing architectures and standards that are robust across a large range of scales. Erik holds a Technical Licentiate Degree from Uppsala University and a Master of Science from Stanford University.

Andrew Sullivan, Dyn, Inc

Andrew Sullivan Andrew Sullivan is Director of DNS Engineering at Dyn, an Infrastructure as a Service company based in Manchester, New Hampshire, USA. He has been active in the IETF since 2005, and served as co-chair of the DNSEXT and SPFBIS working groups. His main areas of network specialization are the DNS and internationalization. Andrew holds a BA from the University of Ottawa and an MA from McMaster University, both in philosophy.


Dave Thaler, Microsoft Corporation

Dave Thaler is a Software Architect in the Windows Networking and Devices division at Microsoft. Prior to joining Microsoft in 1998, he was a routing developer at Merit Network. Since then, he has been responsible for multicast, IPv6, network diagnostics, and peer-to-peer efforts within Windows Networking, and also led the TCP/IP team during the design of the new TCP/IP stack in Windows Vista. Dave has been active in the IETF since 1995 and has authored over 20 RFCs, covering IPv6, multicast, MIBs, etc. He is also a member of the MIB Doctors group, and previously served as co-chair of the MALLOC WG. Dave holds a Ph.D in Computer Science from the University of Michigan.


Brian Trammell, ETH Zurich

Brian Trammell Brian Trammell is a Senior Researcher at the CSG at the Swiss Federal Institute of Technology (ETH) Zurich. His primary focus is on network monitoring and measurement, specifically on performance measurement, security monitoring, measurement tools, and privacy issues in measurement and management. Active in the IETF since 2005, he’s co-authored 15 RFCs in the Security and Operations/Management areas, and co-chairs the IP Performance Metrics working group. Prior to his work with CSG, he was Engineering Technical Lead at the CERT Network Situational Awareness group, and a veteran of a variety of short-lived Internet start-ups. He earned a BS in Computer Science from Georgia Tech in 2000.

Liaison and Ex-Officio Members

Alissa Cooper, Cisco – Liaison from the IESG

Alissa Cooper Alissa Cooper is a Distinguished Engineer at Cisco Systems, where she is responsible for driving privacy and policy strategy within the company’s portfolio of real-time collaboration products. She currently serves as Real-Time Applications and Infrastructure (RAI) area director within the Internet Engineering Task Force (IETF). Previously, Alissa served as the Chief Computer Scientist at the Center for Democracy and Technology, where she was a leading public interest advocate and technologist on issues related to privacy, net neutrality, and technical standards. Alissa holds a PhD from the Oxford Internet Institute and MS and BS degrees in computer science from Stanford University.

Lars Eggert, NetApp – IRTF Chair, Ex-Officio

Lars Eggert Lars Eggert is Technical Director for Networking in NetApp’s Advanced Technology Group, based in Munich, Germany. In addition, Lars is an Adjunct Professor at Aalto University, Finland’s premier technical university. He pursues his scientific research interests in diverse areas of Internet technology, including architecture, end-to-end protocols, virtualization, measurements and resource scheduling, through collaborative research projects with leading universities and research labs, in part supported by DARPA, the NSF or the EU.

Lars has also been leading the standardization efforts of many related topics as a steering group member of the IETF, and he currently chairs the IRTF, the IETF’s research arm. He is a senior member of the ACM and the IEEE, and serves on the program and organization committees of many academic conferences and workshops, such as ACM SIGCOMM and IEEE Infocom.

Lars received his Ph.D. in Computer Science from the University of Southern California (USC) in 2003. Before joining NetApp in 2011, he was a Principal Scientist at Nokia Research Center in Helsinki, Finland and one of Nokia’s most senior technology experts, serving on the corporation’s CTO Technology Council. Before that, he was a senior researcher at NEC Laboratories.

Heather Flanagan, RFC Series Editor – Liaison from the RFC Editor, RSE

Mat Ford, ISOC – Liason from ISOC

Cindy Morgan, AMS – IAB Executive Administrative Manager

Emailing the IAB

You can contact the IAB at the address Individual IAB members can be reached at the email addresses linked from their names above.