San Diego Supercomputer Center
University of California, San Diego
9500 Gilman Drive
La Jolla, California 92093-0505
Degree: Diploma in Electrical Engineering (Diplom Ingenieur), Fachhochschule Bielefeld, West Germany (March 1978) with a major in Information Processing.
April 1978 - April 1983, University of Cologne, West Germany, Regional Computing Center, Network Engineering responsibilities for the regional and local network
April 1983 - January 1991, Merit Computer Network and the Information Technology Division, University of Michigan. Manager of Merit's Internet Engineering group and the Co-Principal Investigator of the NSFNET Backbone project for the National Science Foundation
January 1991 - April 1996, San Diego Supercomputer Center Principal Scientist, PD/PI for the NSF funded National Laboratory for Applied Network Research, PI for an NSF funded project to provide infrastructure based web caches, PI for an NSF funded project on network analysis, NSF NREN Engineering, and SDSC Co-PI for the CASA gigabit research project
May 1996 - April 1997, Teledesic Corporation, Chief Network Architect, responsible for the network architecture for a constellation of hundreds of low earth orbit satellites to provision a global broadband communications network. Also visiting Research Scientist at the University of California, San Diego
May 1997 - ~2004, Teledesic Corporation, Internet Architect
May 1996 to present, University of California, San Diego, Center for Advanced Computational Science and Engineering - San Diego Supercomputer Center, Research Scientist
May 2003 to present, San Diego State University, College of Sciences, Adjunct Professor
Association of Computing Machinery (ACM), including ACM Special Interest Group on Communications (ACM SIGCOMM) 1984 - 1992
Institute of Electrical and Electronical Engineers (IEEE), including IEEE Communications Society 1983 - ~1992
Member of the National Science Foundation's Network Program Advisory Group (NPAG) and in particular its Technical Committee (NPAG-TC) November 1986 - End '87 (NPAG got resolved)
Chairman of the Technical Committee of the National Science Foundation's Network Program Advisory Group (NPAG-TC) February 1987 - End '87 (NPAG got resolved)
Member of the Network Technical Advisory Committee (NTAC) of the John von Neumann National Supercomputer Center (JvNC). October 1987 - 1990 (when JvNC/JvNCnet organizationally changed)
Chairman of the NSFNET Network Technical Committee, which was created for the "Management and Operation of the NSFNET Backbone Network" project. November 1987 - January 1991 (until resigning at Merit to work at SDSC)
Member of the Engineering Planning Group of the Federal Research Internet Coordinating Committee (FEPG) during its existance and since its beginnings in early 1989
Member of the Internet Activities Board (IAB), July 1989 - 1993
Member of the Internet Engineering Task Force (IETF) since its beginnings
Member of the Coordinating/Steering Group of the Internet Engineering Task Force (IETF), until the Steering Group got restructured in mid-1989.
Member of the Internet Architecture Task Force (INARC-TF) since its beginnings until the Task Force became a working group within the Internet Research Task Force in summer 1989
Participation in several meetings for the design, implementation and operation of the first NSFNET backbone as well as for various mid-level network attached or to be attached to the NSFNET backbone
Member of the Technical Committee for EASINet (European Academic Supercomputer Initiatives Network, created by IBM in Europe, in close cooperation with the US NSFNET), 1990
Member of the Gigabit Technical Coordination Committee for the NSF/DARPA gigabit testbed projects coordinated by CNRI January 1991 - project ending in 1996
Member of the CASA gigabit project Executive Committee January 1991 - project ending in 1996
Participation in the NREN Engineering Group (NEG) of the National Science Foundation September 1991 until it discontinued in 1997
Senior Fellow of the San Diego Supercomputer Center May 1996 until becoming a staff member again in May 1997
NSF Proposal/Award number OCI-0944131
"Integration and Analysis of Reliable Networking for Remote Science, Education, and First Responders"
(Co-PI: Frank Vernon)
$1,043,111 over two years, starting September 2009
This is an Accomplishments Based Renewal to NSF award 0426879
NSF Proposal/Award number 0426879 (SCI)
"ITR: Integration and Analysis of Reliable Networking for Remote Science, Education, and First Responders"
(Co-PI: Frank Vernon)
$3,000,000 over four years, starting October 2004
NSF Proposal/Award number ANI-0129677
"National Laboratory for Applied Network Research (NLANR) Measurement and Network Analysis (MNA) Group: New Activities Proposal"
(Co-PI: Ronn Ritke)
$3,283,185 over three years, starting July 2002
NSF Proposal/Award number OCE-0121726 (Ocean Sciences)
"ITR/IM+AP+SI+PR: Exploring the Environment in Time: Wireless Networks & Real-Time Management"
Co-Principal Investigator (PI = John A. Orcutt, other Co-PIs: Frank L. Vernon and Arcot Rajasekar)
$1,758,079 over 36 months, starting 1 October 2001
NSF Proposal/Award number ANI-0087344
"An Interdisciplinary Collaboration on Performance Aspects of a
High Performance Wireless Research and Education Network"
(Co-PI: Frank L. Vernon, Geophysicist at the Scripps Institution of Oceanography)
$2,300,230 over 36 months, starting 15 August 2000
plus a $420,000 supplement for an additional six months
NSF Proposal/Award number ANI-9807479
"National Laboratory for Applied Network Research:
Measurement and Operations Analysis Team (NLANR/MOAT)"
$2,087,500 over 30 months, starting 1 April 1998
plus $800,000 for a one year renewal
NSF Proposal/Award number NCR-9521745
"A Distributed Testbed for National Information Provisioning"
Co-PI with Kimberly Claffy (and initially Mike Schwartz of then UC-Boulder)
$379,749 over three years
NSF Proposal/Award number NCR-9415666
"Creation of a National Laboratory for Applied Network Research"
Project Director and Principal Investigator (Charlie Catlett of NCSA is Co-PI, in collaboration with NSF supercomputing centers)
$1,555,122 + $279,600 over approx. 2.5 years.
augmented to $2,975,478 as Award number ANI-9796124
NSF Proposal/Award number NCR-9214104
"Interagency ATM Connection at the San Diego Supercomputer Center"
$1,513,410 over three years, starting CY 1993
NSF Proposal/Award number NCR-9119473
"Analysis and Modeling Tools for High-Speed Networks"
Project Director and Principal Investigator (Prof. George Polyzos of UCSD was Co-Principal Investigator)
$622,000 over three years, starting 1Q92
NSF augmentation of the SDSC base award to have Hans-Werner Braun
as Principal Investigator work on NREN Engineering issues for the NSF
in the October 1991 to September 1992 time frame.
$57,530 for NSF FY92
$84,855 for NSF FY93
$122,263 for NSF FY94
$158,550 for NSF FY95
$131,373 for NSF FY96
NSF Proposal/Award number NCR-9016275
"Implementation and Management of Improved Connectivity Between NSFNET and CA*net"
Co-Principal Investigator (Project Director: Eric Aupperle)
$172,000 over three years, starting 15 July 1990
NSF Proposal/Award number NCR-8720904
"Management and Operation of the NSFNET Backbone Network"
Program Solicitation number: NSF 87-37
Co-Principal Investigator (Project Director: Eric Aupperle)
$13,996,540 over five years, starting November 1987
$7,909,201 added in 1990 for network enhancements
~$6,020,620 added in Jan. 1991 for further enhancements
NSF Proposal/Grant number ASC-8700288
"Coordinating Routing for the NSFNET"
"The Merit Computer Network proposes to address routing issues for the overall NSFNET including its pilot projects and associated campus and regional networks. the work involves investigation and design studies, monitoring of traffic to correct problems, and consultation support for NSFNET sites"
Co-Principal Investigator (Project Director: Eric Aupperle)
NSF Proposal/Grant number ASC-8610197
"Configuration and Maintenance or Fuzzball Code for NSFNET"
"The University of Maryland proposes to do software configuration and maintenance of Fuzzball code in support of the NSF backbone in conjunction with the University of Michigan."
Explicit mention in the proposal as the person for the University of Michigan's subcontract and in that function playing a major function in implementing the original NSFNET backbone.
IBM Joint Study Agreement on
"Jointly Defined Effort to assess performance limiters on distributed applications performance"
August 1991 - December 1993
SDSC CASA Co-Principal Investigator for a research agreement between
the San Diego Supercomputer Center and the Corporation for National
Research Initiatives on gigabit networking. The funding ultimately comes
from the National Science Foundation and the Defense Advanced Research
$1,000,000 expected over three years, starting in April 1990
During the time of my study in West Germany:
"Erstellung eines Steuerlochstreifens fuer den Graphomaten Z64 zur Zeichnung von Kurven bei automatischer Massstabsbestimmung," Fachhochschule Bielefeld, June 1975
"Bestimmung optimaler Stuetzstellen an einem Traeger," Fachhochschule Bielefeld, July 1975
"Wellenausbreitung am Hertzschen Dipol," Fachhochschule Bielefeld, September 1975
"Ueberpruefung und Inbetriebnahme einer Thyristor-, Transduktor- und Leonardumformer- Steuerung an einem vorhandenen S+H-Motorgestell," with Reinhard Toepfer, Fachhochschule Bielefeld, April 1976
"Berechnen der Uebertragungsfunction im Laplace-Unterbereich fuer eine gegebene elektrische Schaltung (max. 3 Knoten) mit EDV-Hilfe," with Albert Rademacher, Fachhochschule Bielefeld, January 1977
"Entwurf und Bau einer drahtlosen Temperatur-Uebertragung unter Verwendung digitaler Signale," with Alexander Gausa, Fachhochschule Bielefeld, 1977
"Der Bedarf an elektrischer Energie am Beispiel des Grossraumes Bielefeld," Fachhochschule Bielefeld, 1977
"Aufbau eines Rechners mit Mikroprozessor IM 6100 und Anschluss eines Konsum - Kassettengeraetes. Stoersicherheit und technischer Aufwand unter- schiedlicher Aufzeichnungsverfahren sind zu vergleichen; eine zweckmaessige Ausfuehrung ist auszuwaehlen und zu realisieren," Fachhochschule Bielefeld, June 1977
"Steuerungen fuer die Aufzeichnung und die Wiedergabe digitaler Daten mit je einem Kassetten-Tonbandgeraet Technics RS-615US," Fachhochschule Bielefeld, March 1978
During the five years of my work at the Regional Computing Center of the University of Cologne in West Germany:
Two Book reviews "J. Gulbins: Einfuehrung in die Benutzung der PDP11 mit Betriebssystem RSX 11 M, Band 1/2" and "M. Klein: Z-80- Applikationsbuch" in 1980 issues of the publication "Angewandte Informatik" ("Applied Informatics")
"The Card Reader Tasks for reading jobs to a CDC Host by using the CMODE2 Subsystem," University of Cologne Regional Computing Center, 26 May 1982
"A Task Tracking Subsystem to get an Account File on the PDP11 Operating System RSX-11M," University of Cologne Regional Computing Center, 2 June 1982
During my position at the University of Michigan:
"Requirements for Internet Gateways -- Draft," as one of the explicitly mentioned contributors, SRI Network Information Center RFC 985, May 1986
"Working Draft, Guidelines for the use of Internet-IP addresses in the ISO Connectionless- Mode Network Protocol," with Russ Callon (BBN), SRI Network Information Center RFC 986, June 1986, reissued as an updated version as RFC 1069, February 1989
"Initial delay experiments with the University SAtellite Network (USAN)," The University of Michigan, Merit Computer Network and Computing Center, 9 June 1986; was also fully included in the "University Satellite Network Project, Fourth Quarterly Report" to the NSF, 31 July 1986
"The NSFNET Backbone Network," together with Dave Mills (University of Delaware), ACM SIGCOMM Workshop on Frontiers in Computer Communications Technology, August 1987
"Network Routing in the NSFNET," NNSC NSF Network News, November 1987, Number 2
"The NSFNET Routing Architecture," Merit Computer Network, May 1988; republished as SRI Network Information Center RFC 1093, February 1989.
"Monitoring Data Exchanges between the NSFNET Backbone Network and its attached Regional Clients," together with Elise Gerich (Merit Computer Network), Merit Computer Network, NDOC4, June 1988
"NSFNET Inter Autonomous Domain Routing," Merit Computer Network, NDOC6, September 1988
"The new NSFNET backbone network," ACE ConneXions, Volume 2, No. 12, December 1988
"Models of Policy Based Routing," SRI Network Information Center RFC1104, June 1989
"The Need for Routing in Complex Networking Systems or Why a Border Gateway Protocol," together with Jessica Yu, NSFNET LINK LETTER, Vol. 2, No. 4, September 1989
"Routing between the NSFNET and the DDN," together with Jessica Yu, SRI Network Information Center RFC1133, November 1989
During my position at the San Diego Supercomputer Center:
"Advancing the NSFNET Routing Architecture," together with Yakov Rekhter (IBM Research), SRI Network Information Center, RFC1222, May 1991
"Remote visualization: challenges and opportunities," with Parulkar, G.M., Bowie, J., Guerin, R., and others, Proceedings Visualization'91, San Diego, 22-25 Oct. 1991, Edited by: Nielson, G.M.; Rosenblum, L. Los Alamitos, CA, USA: IEEE Comput. Soc. Press, 1991. p. 340-4.
"Analysis and Modeling of High Speed Networks: Project Status Report", with Bilal A. Chinoy, Kimberly C. Claffy and George Polyzos, SDSC Applied Network Research group, GA-A20916, April 1992, also Technical Report CS92-237, Dept. of Computer Science and Engineering, University of California, San Diego
"NSF Implementation Plan for Interagency Interim NREN", with Robert Aiken (NSF), Peter Ford (LANL) and Kimberly Claffy (SDSC, Editor), SDSC Applied Network Research group, GA-21174, May 1992, published in Journal of High Speed Networks, Vol 2, Num 1, 1993
"Traffic Characteristics of the T1 NSFNET Backbone", with Kimberly C. Claffy and George C. Polyzos, SDSC Applied Network Research group, GA-A21019, published in IEEE INFOCOM'93; also Technical Report CS92-252, Dept. of Computer Science and Engineering, University of California, San Diego, July 1992
"Measurement Considerations for Assessing Unidirectional Latencies", with Kimberly C. Claffy and George C. Polyzos, SDSC Applied Network Research group, GA-A21018, "Intenetworking: Research and Experience," Vol 4 #3, Sept. 93, also Technical Report CS92-253, Dept. of Computer Science and Engineering, University of California, San Diego, August 1992
"The National Science Foundation Network" with Bilal A. Chinoy, SDSC Applied Network Research group, GA-21029, September 1992
"Analysis and Modeling of Wide Area Networks: Annual Status Report" with Bilal A. Chinoy, Kimberly C. Claffy and George C. Polyzos, SDSC Applied Network Research group, GA-A21224, February 1993
"Improving the Routing and Addressing of the Internet Protocol" with Peter S. Ford and Yakov Rekhter, SDSC Applied Network Research group, GA-A21256, 1993, also published as IBM Research Report RC 18744(82271) 3/1/93 Revised 4/1/93, IEEE Network, May 1993
"Application of Sampling Methodologies to Network Traffic Characterization" with Kimberly C. Claffy and George C. Polyzos, SDSC Applied Network Research group, GA-A21239, 1993, SIGCOMM '93
"Network Analysis in Support of Internet Policy Requirements" with Kimberly C. Claffy, SDSC Applied Network Research group, GA-A21253, 1993, Proceedings INET'93
"Long-term Traffic Aspects of the NSFNET" with Kimberly C. Claffy and George C. Polyzos, SDSC Applied Network Research group, GA-A21238, July 1993, Proceedings INET'93
"Network analysis issues for a public Internet" with Kimberly C. Claffy, SDSC Applied Network Research group, GA-A21350, for the "Public Access to the Internet" workshop at the John F. Kennedy School of Government, Harvard University, May 1993
"The NSFNET T1/T3 Network" with Paul D. Bosco (Massachusetts Institute of Technology), ConneXions, Vol 7, No. 9, September 1993 (Interop93 version)
"CIDR and the Evolution of the Internet Protocol" with Peter S. Ford and Yakov Rekhter. SDSC Applied Network Research group, GA-A21364, 1993, Proceedings INET'93, republished in ConneXions Vol 7, No 9, Sep 1993 (Interop93 version)
"A Framework for Flow-based Accounting on the Internet" with Kimberly C. Claffy and George Polyzos, SDSC Applied Network Research group, GA-A21358, 1993, Proceedings IEEE SICON/ISIE'93
"Mitigating the coming Internet crunch: multiple service levels via Precedence", R. Bohn, H.-W. Braun, K. Claffy and S. Wolff, November 1993, Journal of High Speed Networks
"Tracking Long-term Growth of the NSFNET",K. Claffy and H.-W. Braun and G. Polyzos, March 1994, Communications of the ACM, 1994
"Web traffic characterization: an assessment of the impact of caching documents from NCSA's web server", H.-W. Braun and K. Claffy, in Second International World Wide Web (WWW) Conference '94, October 15-17 1994, Chicago, IL; also published in Computer Networks and ISDN Systems 28 (1995)
"A parametrizable methodology for Internet traffic flow profiling", K. Claffy, H.-W. Braun and G. Polyzos, Mar 1995, IEEE JSAC Special Issue on the Global Internet
"Measured Interference of Security Mechanisms with Network Performance", K. Claffy, H.-W. Braun, and Andrew Gross, INET95, 1995
"Post-NSFNET Statistics Collection", Hans-Werner Braun and Kimberly Claffy, 1997, in "The Unpredictable Certainty - Information Infrastructure Thourgh 2000", Computer Science and Communications Board, National Research Council
Brown, J., McGregor, A., and Braun, H-W., "Network performance visualization: insight through animation," PAM2000 Passive and Active Measurement Workshop, Hamilton, New Zealand, pp. 33-41, Apr. 2000.
Hansen, T., Otero, J., McGregor, A., and Braun, H-W., "Active measurement data analysis techniques," Proceedings of the International Conference on Communications in Computing (CIC'2000), Las Vegas, Nevada, p. 105, Jun. 26 - 29, 2000.
McGregor, A., and Braun, H-W., "Balancing cost and utility in active monitoring: The AMP example," Inet2000 conference, Japan, Jul. 2000.
McGregor, A., Braun, H-W., and Brown, J., "The NLANR Network Analysis Infrastructure," IEEE Communications Magazine, Vol. 38, No. 5, pp. 122-128, May 2000.
Etzel, P. B., and Braun, H.-W., "High-Performance Wireless Internet Connection to Mount Laguna Observatory," American Astronomical Society, 197th AAS Meeting, #15.02; Bulletin of the American Astronomical Society, Vol. 32, p.1428, 2000.
Matthew J. Luckie, Anthony J. McGregor, and Hans-Werner Braun, "Towards Improving Packet Probing Techniques," ACM SIGCOMM Internet Measurement Workshop 2001.
Berger, J.; Orcutt, J. A.; Vernon, F. L.; Braun, H. W.; Rajasekar, A, "Ocean Wireless Networking and Real Time Data Management", American Geophysical Union, Fall Meeting 2001, abstract #OS11B-0363
Morikawa, E.; Nayak, A.; Vernon, F.; Braun, H.; Matthews, J., "Multiple views of the October 2003 Cedar Fires captured by the High Performance Wireless Research and Education Network," American Geophysical Union, Fall Meeting 2004, abstract #ED13E-0748
John Porter, Peter Arzberger, Hans-Werner Braun, Pablo Bryant, Stuart Gage, Todd Hansen, Paul Hanson, Chau-Chin Lin, Fang-Pang Lin, Timothy Kratz, William Michener, Sedra Shapiro, and Thomas Williams. "Wireless Sensor Networks for Ecology" Bioscience Vol 55. No. 7, July 2005 http://www.coralreefeon.org/bioscience%20wireless%20networks%202005.pdf
6 June 1997, to the North American Network Operators Group:
"Challenges of creating global ubiquity on the Internet"
16 June 1997, Sigmetrics'97 Keynote:
"Architecture and performance of Large Internets, based of terrestrial and satellite based infrastructure"
27 June 1997, presentation at the Haas School of Business,
University of California, Berkeley conference: "Bridging digital
technologies and regulatory paradigms," through the Berkeley symposium
on policy and strategy for converging information
"The challenge of creating and evolving a global, multi-service networking system"
1 November 2003,
Keynote "What Wireless Can Do For Communities"
at the "Unwired 05" conference on wireless internet in rural communities
and agriculture, University of Georgia, Tifton Campus