Van Jacobson

Known for| Work on TCP/IP
Awards| IEEE Koji Kobayashi Computers and Communications Award
Scientific career
Fields| Computer science

Van Jacobson is an American computer scientist, renowned for his work on TCP/IP network performance and scaling.[1] He is one of the primary contributors to the TCP/IP protocol stack—the technological foundation of today’s Internet.[2] Since 2013, Jacobson is an adjunct professor at the University of California, Los Angeles (UCLA) working on Named Data Networking.

## Contents

* 1 Early life and education
* 2 Career
* 3 Awards and memberships
* 4 See also
* 5 References
* 6 External links

## Early life and education

Jacobson studied Modern Poetry, Physics, and Mathematics and received an M.S. in physics and a B.S. in mathematics from the University of Arizona.[3] He did graduate work at Lawrence Berkeley Laboratory.[4]

## Career

His work redesigning TCP/IP's congestion control algorithms (Jacobson's algorithm)[5][6] to better handle congestion is said to have saved the Internet from collapsing in the late 1980s and early 1990s.[7] He is also known for the TCP/IP Header Compression protocol described in RFC 1144: Compressing TCP/IP Headers for Low-Speed Serial Links,REFERENCE FOR RFC1144 IS NOT DEFINED YET. You are invited to add it here. popularly known as Van Jacobson TCP/IP Header Compression.

He is the co-author of several widely used network diagnostic tools, including traceroute, tcpdump, and pathchar. He was a leader in the development of the multicast backbone (MBone)[8] and the multimedia tools vic,[9] vat,[10] and wb.[11]

Jacobson worked at the Lawrence Berkeley Laboratory from 1974 to 1998 as a Research scientist in the Real-time Controls Group and later group leader for the Network Research Group.[12] He was Chief Scientist at Cisco Systems from 1998 to 2000.[13] In 2000 he became Chief Scientist for Packet Design, Inc. and in 2002 for a spin-off, Precision I/O.[14] He joined PARC as a research fellow in August 2006.

In January 2006 at Linux.conf.au, Jacobson presented another idea about network performance improvement, which has since been referred to as network channels.[15] Jacobson discussed his ideas on Named data networking (NDN), the focus of his work at PARC, in August 2006 as part of the Google Tech Talks.[16][17] Jacobson is now working with the NDN Consortium funded by the National Science Foundation to explore and create the future of the internet.

## Awards and memberships

Jacobson together with his colleague at LBL, Steven McCanne, won R&D Magazine's 1995 R&D 100 Award for development of a software toolpack that enables multiparty audio and visual conferencing via the MBone (Multicast Backbone).[18]

For his work, Jacobson received the 2001 ACM SIGCOMM Award for Lifetime Achievement "for contributions to protocol architecture and congestion control",[1] the 2002 IEEE Koji Kobayashi Computers and Communications Award,[7] and was elected to the National Academy of Engineering in 2004 for his "contributions to network protocols, including multicasting and the control of congestion."[19]

In 2012, Jacobson was inducted into the Internet Hall of Fame by the Internet Society.[20]

## See also

* Content centric networking

## References

1. ↑ 1.0 1.1 2001 SIGCOMM Award for Lifetime Achievement to Van Jacobson "for contributions to protocol architecture and congestion control."
2. ↑ "Van Jacobson Biography", IEEE Global History Network, accessed 31 March 2012
3. ↑ "An Analysis of TCP Processing Overhead" (Biography), David D. Clark, et al., IEEE Communications Magazine, June 1989, p. 29
4. ↑ Borsook, Paulina. "Profile: Van Jacobson keeps communications channels open", Network World, March 24, 1994, p. 51
5. ↑ "Congestion avoidance and control", Van Jacobson, Proceedings of SIGCOMM ’88, Stanford, CA, Aug. 1988, ACM
6. ↑ "Congestion avoidance and control", Van Jacobson, ACM SIGCOMM Computer Communication Review - Special twenty-fifth anniversary issue, Highlights from 25 years of the Computer Communication Review, Volume 25 Issue 1, Jan. 1995, pp.157-187
7. ↑ 7.0 7.1 "Van Jacobson: 2002 IEEE Koji Kobayashi Computers and Communications Award Recipient", IEEE web site
8. ↑ ""Building the Internet's MBone: LBL's Van Jacobson a Principal Architect" , Jeffery Kahn, Lawrence Berkeley National Laboratory, 9 December 1994
9. ↑ "vic - Video Conferencing Tool", web page at Lawrence Berkeley National Laboratory
10. ↑ "vat - LBL Audio Conferencing Tool", web page at Lawrence Berkeley National Laboratory
11. ↑ "wb - LBNL Whiteboard Tool", web page at Lawrence Berkeley National Laboratory
12. ↑ "LBNL's Network Research Group", Lawrence Berkeley National Laboratory, August 2009
13. ↑ Van Jacobson: Past and Current Positions in "TCP/IP pioneer's past is prologue", Loring Wirbel, EE Times, March 7, 2005
14. ↑ Packet Design, website
15. ↑ "Speeding up Networking", Van Jacobson and Bob Felderman, Linux.conf.au 2006, Dunedin, NZ
16. ↑ "Content-centric networking", PARC A Xerox Company
17. ↑ "A New Way to look at Networking", Van Jacobson, Google Tech Talk, 30 August 2006, YouTube Video
18. ↑ " Lab's connection to the MBone wins '95 R&D 100 Award", Bruce Davies, Lawrence Berkeley Laboratory
19. ↑ "Mr. Van Jacobson", Members Directory, National Academy of Engineering
20. ↑ 2012 Inductees , Internet Hall of Fame website. Last accessed April 24, 2012

## External links

*   *   * Van Jacobson Denies Averting Internet Meltdown in 1980s (Cade Metz, Wired, 2012-05-25)

* v
* t
* e

Internet Hall of Fame

Pioneers

| 2012|

* Paul Baran
* Vint Cerf
* Danny Cohen
* Steve Crocker
* Donald Davies
* Elizabeth J. Feinler
* Charles Herzfeld
* Robert Kahn
* Peter T. Kirstein
* Leonard Kleinrock
* John Klensin
* Jon Postel
* Louis Pouzin
* Lawrence Roberts

|

2013|

* David Clark
* David Farber
* Howard Frank
* Kanchana Kanchanasut
* J. C. R. Licklider
* Bob Metcalfe
* Jun Murai
* Kees Neggers
* Nii Quaynor
* Glenn Ricart
* Robert Taylor
* Stephen Wolff
* Werner Zorn

2014|

* Douglas Engelbart
* Susan Estrada
* Frank Heart
* Dennis Jennings
* Rolf Nordhagen
* Radia Perlman

Global connectors

| 2012|

* Randy Bush
* Kilnam Chon
* Al Gore
* Nancy Hafkin
* Geoff Huston
* Brewster Kahle
* Daniel Karrenberg
* Toru Takahashi
* Tan Tin Wee

|

2013|

* Karen Banks
* Gihan Dias
* Anriette Esterhuysen
* Steve Goldstein
* Teus Hagen
* Ida Holz
* Qiheng Hu
* Haruhisa Ishida
* Barry Leiner
* George Sadowsky

2014|

* Dai Davies
* Demi Getschko
* Masaki Hirabaru
* Erik Huizer
* Steve Huter
* Abhaya Induruwa
* Dorcas Muthoni
* Mahabir Pun
* Srinivasan Ramani
* Michael Roberts
* Ben Segal
* Douglas Van Houweling

2017|

* Nabil Bukhalid
* Ira Fuchs
* Shigeki Goto
* Mike Jensen
* Ermanno Pietrosemoli
* Tadao Takahashi
* Florencio Utreras
* Jianping Wu

Innovators

| 2012|

* Mitchell Baker
* Tim Berners-Lee
* Robert Cailliau
* Van Jacobson
* Lawrence Landweber
* Paul Mockapetris
* Craig Newmark
* Ray Tomlinson
* Linus Torvalds
* Phil Zimmermann

|

2013|

* Marc Andreessen
* John Perry Barlow
* Francois Fluckiger
* Stephen Kent
* Anne-Marie Eklund Löwinder
* Henning Schulzrinne
* Richard Stallman
* Aaron Swartz
* Jimmy Wales

2014|

* Eric Allman
* Eric Bina
* Karlheinz Brandenburg
* John Cioffi
* Hualin Qian
* Paul Vixie

2017|

* Jaap Akkerhuis
* Yvonne Marie Andres
* Alan Emtage
* Ed Krol
* Tracy LaQuey Parker
* Craig Partridge

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