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

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.

Ben Campbell, Independent Consultant

Ben Campbell Ben Campbell is an independent consultant in the real-time communication industry. In the past, he has served as ART Area Director and as chair for the DISPATCH, DART, XMPP, and SIMPLE working groups. Ben has worked in the IETF since 2000, primarily focused on real-time communication protocols. He co-authored several RFCs in the area, including RFC 3428 and RFC 4975. Previously he has been a member of the CTO teams at Oracle Communication and Tekelec, and was a founding partner at Estacado Systems. When not reading internet-drafts, Ben enjoys sailing and middle-eastern percussion.

Alissa Cooper, Cisco – IETF Chair

Alissa Cooper Alissa Cooper is a Fellow at Cisco Systems. She is currently serving as IETF Chair. Previously, she served three years as an IETF Applications and Real-Time (ART) area director and three years on the Internet Architecture Board (IAB). She also served as the chair of the IANA Stewardship Coordination Group (ICG). At Cisco she was responsible for driving privacy and policy strategy within the company’s portfolio of real-time collaboration products before being appointed as IETF Chair. Prior to joining Cisco, 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.

Stephen Farrell, Trinity College Dublin

Stephen Farrell Stephen Farrell is a research fellow in the School of Computer Science and Statistics at Trinity College Dublin where he teaches and researches on security and delay/disruption-tolerant networking (DTN), and in 2006 co-authored the first book on the latter topic. He is a co-founder of Tolerant Networks Limited , a TCD campus company. Tolerant Networks are currently funded by OTF to implement the draft ESNI specification in the DEfO project. Stephen’s IETF participation is supported in part by the EU-funded scheme and sponsorship from IEDR (the .ie ccTLD). In 2017, Stephen escaped the IESG after a fun 6 years but was recaptured by the IAB in 2019.

Wes Hardaker, USC/ISI – IAB Liaison to the IESG

Wes Hardaker Wes Hardaker is a Senior Computer Scientist at the University of Southern California’s Information Sciences Institute (USC/ISI), where he conducts research on Internet security and is the DNS Root Server operational manager for B-Root. He has been active in the within IETF, across multiple companies, since 1998 and regularly participates in ICANN.

Cullen Jennings, Cisco Systems

Cullen Jennings Cullen Jennings helps build collaboration systems used on the internet and strives to make simple trustable communications available to everyone. Cullen Jennings is a “Fellow” at Cisco and is involved with many internet standards, open source, startups, VoIP, and WebRTC projects. You can often find Cullen kiteboarding or snowboarding.

Mirja Kühlewind, Ericsson – IAB Chair

Mirja Kuehlewind Mirja Kühlewind is a researcher at Ericsson Research in Aachen, Germany, focusing in her work on transport protocol evolution. Bevor that until February 2019, she worked as a Post-Doc at the Networked Systems Group (NSG) of the Computer Engineering and Networks Laboratory at ETH Zurich on topics around Internet measurements and transport protocol design. Mirja received her PhD in 2015 from the University of Stuttgart working in the field of TCP congestion control. Mirja was selected as IETF Transport Area Director in 2016; prior to that, she was co-chair of the IETF’s RTP Media Congestion Avoidance Techniques (rmcat) and TCP increased security (tcpinc) working groups. She also co-chairs the Measurement and Analysis for Protocols research group (maprg) in the IRTF.

Zhenbin Li, Huawei

Zhenbin Li Zhenbin Li currently works for Huawei, being responsible for IP innovation and standard work. He joined Huawei in 2000. In 10+ years he worked for design and development of many MPLS functions including basic/static MPLS, MPLS LDP, MPLS TE, RSVP-TE, MPLS L3VPN, MPLS L2VPN, MPLS OAM/BFD, GMPLS UNI, MPLS Multicast, EVPN, etc. as the network engineer and system architect. He was also responsible for the delivery of Huawei IP Software Platform (VRP) as the system engineer. From 2015-2016, he worked for research on the SDN controller, architecture analysis of ODL/ONOS, and the architecture design of Huawei SDN controller as the architect. He joined the IETF work in 2009 and is the co-author/contributor of many RFCs/drafts in RTG/OPS areas, especially in the fields of BGP, PCEP, Netconf/YANG using as the south bound protocols for SDN controller. Currently he focuses on the innovation and standardization work of SRv6, Telemetry, 5G Transport, Network Intelligence, etc. He received his bachelor’s degree of Information and Communication Engineering from Xi’an Jiaotong University and his master degree of Electronic Engineering from Tsinghua University.

Jared Mauch, Akamai Technologies

Jared Mauch

Mark Nottingham, Fastly

Mark Nottingham Mark Nottingham has been active in the IETF since 2000 and currently co-chairs the HTTP and QUIC Working Groups, and is a member of the Internet Architecture Board. He is also active in the W3C, most recently being a member of the Technical Architecture Group (TAG). Previously, he worked at Akamai, where he helped manage the company’s standards participation and served as a subject matter expert, Yahoo!, where he helped deploy HTTP-based “Web services”, and BEA Systems, where he was puzzled by SOAP-based “Web Services.” Mark’s technical interests include HTTP(S), Web performance, caching, intermediation, metadata and privacy.

Tommy Pauly, Apple

Tommy Pauly Tommy Pauly is an engineer at Apple. There, he works on the networking stack for Apple’s client operating systems, focusing on areas including secure transport protocols and APIs, VPNs, IPv6, and DNS. He currently co-chairs the HTTP and IPPM Working Groups. He received a BS in Computer Science and a BA in Music, both from Stanford University.

Jeff Tantsura, Apstra

Jeff Tantsura Jeff Tantsura has been in the networking space for 20+ years and has authored/contributed to many RFC’s and patents, worked in both, SP and vendor environments. He is co-chair of IETF Routing Working Group, chartered to work on New Network Architectures and Technologies, including protocol independent YANG models and Next Gen Routing Protocols as well as co-chair of RIFT (Routing in Fat Trees) Working Group chartered to work on the new routing protocol that specifically addresses Fat Tree topologies typically seen in the Data Center environment. Jeff serves the Internet Architecture Board (IAB). His focus has been on 5G transport and integration with RAN, IoT, MEC, Low Latency networking and Data modeling. He’s also a border member of SF Bay Area ISOC Chapter. Jeff is Head of Networking Strategy at Apstra, company championed Intent Based Networking, defining company’s networking strategy and technologies.

Jiankang Yao 姚健康, CNNIC China Internet Network Information Center

Jiankang Yao Jiankang Yao received his master degree of Computer Science in National University of Singapore and joined CNNIC in 2003 as a research engineer. In CNNIC, he had a further study and received his Ph.D. degree of Computer Software and Theory in CNIC, CAS (Chinese Academy of Sciences). His main research interests include but not limit to EAI, IDN, DNS, and Internet naming. Since the 62nd IETF meeting in 2005, he has been active in the IETF and has experience in working as the IETF WG co-chair and secretary. Especially, he made a lot of contribution to EAI BOF and WG. In order to help to move EAI documents from experimental RFCs to Standards Track RFCs, he did a lot of EAI implementation and testing. Moreover, he got the APEC funding for EAI deployment as the overseer.

Liaison and Ex-Officio Members

Colin Perkins, University of Glasgow – IRTF Chair

Colin Perkins Colin Perkins is a Senior Lecturer (Associate Professor) in the School of Computing Science at the University of Glasgow. His research interests are on transport protocols for real-time and interactive multimedia, and on network protocol design, implementation, and specification. He’s been a participant in the IETF and IRTF since 1996, working primarily in the transport area where he co-chairs the RMCAT working group and is a past chair of the AVT and MMUSIC working groups, and in related IRTF research groups. He proposed and co-chaired the first Applied Networking Research Workshop (ANRW), and has been a long-term participant in the Applied Networking Research Prize (ANRP) awarding committee. He received his BEng in Electronic Engineering in 1992, and my PhD in 1996, both from the Department of Electronics at the University of York.

Alvaro Retana, Futurewei Technologies – Liaison from the IESG

John Levine, Temporary RFC Series Project Manager – Liaison from the RFC Editor

Cindy Morgan, AMS – IAB Executive Administrative Manager

Karen O’Donoghue, ISOC – Liason from ISOC

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.