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David Walden, key to the development of the Internet, dies

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David Walden, one of a small team of computer scientists who developed the system underlying the development of the internetDead …

Walden’s mission is to solve one of the biggest challenges in creating a “network of networks”: the fact that different machines are running different operating systems and cannot communicate directly with each other. It was one of a team of 10 people.

His job is Arpanet (Advanced Research Projects Agency Network) For the US Department of Defense. Before transforming into the Internet, an additional government network was connected to it.

New York Times Report.

David Walden, a computer scientist who helped develop machines that have evolved to become the backbone of the Internet for decades, died on April 27 at his home in East Sandwich, Massachusetts. He was 79 years old. […]

In 1969, Walden was part of a small team of talented young engineers whose mission was to build an interface message processor. Its function was to switch data between computers linked to the early ARPAnet, the predecessor of the Internet. That year, the first IMP was set up at the University of California, Los Angeles. The IMP was very important to the Internet until the ARPANET was abolished in 1989.

Walden was the first computer programmer to work with the team. Under a deal guaranteed by Bolt Beranek, a technology company in Cambridge, Massachusetts, and Newman (now Raytheon BBN), the “IMP guys” became self-proclaimed in nine months of enthusiastic I developed a computer.

The IMP acted as a translator between mainframe computers in various locations and the network itself. Each IMP translated what was sent over the network into a specific language on the main computer at that location. IMP’s translation work has evolved into today’s network routers.

The work of the team was even more remarkable at the speed of solving all the new problems of the time.

You can read NYT’The following obituary.

David Corridon Walden was born on June 7, 1942 in Longview, southwestern state. His mother, Belva (Dide) Walden, taught elementary school. His father, Clarence, taught high school chemistry and physics. When Walden was four, his family moved to the San Francisco Bay Area.

An avid bridge player from an early age, Walden helped support himself as a student at the University of California, Berkeley by working at a local bridge club. However, his passion for games was so exhausted that his wife said he graduated from college one semester later because of his poor grades.

Walden eventually enrolled at San Francisco State University (now the university) and earned a bachelor’s degree in mathematics in 1964. His interest in computing grew from a course of numerical analysis, including working on IBM computers.

After graduating from college, he worked as a computer programmer in the space communications department at the Lincoln Laboratory at the Massachusetts Institute of Technology.

In 1965, he met his education manager, Sara Elizabeth Cowles, who married the following year. He was hired by Bolt Veranek and Newman in 1967. Shortly thereafter, the company won a contract to build the first IMP.

“It was a very small group that we always work with,” Walden said. Said An archive and research center specializing in information technology in an interview with the Charles Babbage Institute at the University of Minnesota in 1990.

“We went in and out of each other’s offices and helped each other debug,” he added.

All discoveries caused excitement. “We’ll run in and say,’Look, I ran this!'” He said.

Walden left Bolt Beranek for a year in 1970 and worked for Norsk Data to help build a computer modeled after IMP. He returned to Bolt Beranek in 1971 and stayed there until 1995. He later became an expert in the field of management. An avid computer historian, he was originally the editor of the IEEE Annals of the History of Computing, published by the Institute of Electrical and Electronics Engineers.

Although not a high-level degree, Walden received an honorary doctorate from California State University in 2014 for his research at the ARPANET. “He repeatedly told me he didn’t expect to receive such honor,” Walden’s former colleague Alex McKenzie said in an interview.

Mr. Walden survives with his wife, as well as his son Luke. His brother, Daniel. His sister, Berma Walden Hampson. And two grandchildren.

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