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Telecommunications network is a collection of terminal nodes, links are connected so as to enable telecommunication between the terminals. The transmission links connect the nodes together. The nodes use circuit switching, message switching or packet switching to pass the signal through the correct links and nodes to reach the correct destination terminal.Each terminal in the network usually has a unique address so messages or connections can be routed to the correct recipients. The collection of addresses in the network is called the address space. — Wikipedia




Interface Message Processor (IMP)
The interface message processor for the ARPA computer network (F. E. Heart, R. E. Kahn, S. M. Ornstein, W. R. Crowther and D. C. Walden, Bolt Beranek and Newman Inc.)

Frank Heart (Internet Hall of Fame) (Wikipedia)
Frank Heart, 89, of Lexington; linked computers before the Internet (Katie Hafner New York Times)
Frank Heart, Who Linked Computers Before the Internet, Dies at 89 (Katie Hafner, New York Times)


WorldCat, Library of Congress, UPenn Online Books, Open Library


Partial Bibliography of the Internet/ARPANET (DARPA)




OER Commons: Open Educational Resources



Association for Computing Machinery, Communications and Networking, Network Computing







For Dog Owners: Poo powered WiFi (Tech Land)


Infinite-capacity wireless vortex beams carry 2.5 terabits per second (Sebastian Anthony, Extreme Tech)



Communications of the ACM: Communications / Networking The latest news, opinion and research in communications / networking, from Communications online.

  • You Know What? Go Ahead and Use the Hotel Wi-Fi
    on November 19, 2018 at 7:30 pm

    As you travel this holiday season, bouncing from airport to airplane to hotel, you'll likely find yourself facing a familiar quandary: Do I really trust this random public Wi-Fi network? […]

  • Video Doesn't Capture Truth
    on November 19, 2018 at 7:20 pm

    The White House has revoked the press pass of Jim Acosta, CNN's chief White House correspondent, after a testy exchange between the reporter and President Trump at a news conference on Wednesday. […]

  • Exploding Stars Make Key Ingredient in Sand, Glass
    on November 16, 2018 at 10:15 pm

    We are all, quite literally, made of star dust. Many of the chemicals that compose our planet and our bodies were formed directly by stars. […]

  • Surveillance Kills Freedom By Killing...
    on November 16, 2018 at 5:16 pm

    In my book Data and Goliath, I write about the value of privacy. I talk about how it is essential for political liberty and justice, and for commercial fairness and equality. […]

  • Playing Catch-Up, Germany Throws Money at AI
    on November 16, 2018 at 4:45 pm

    Germany plans to invest more than 3 billion euros ($3.39 million) by 2025 to beef up its artificial intelligence capabilities and appoint 100 professors to lecture about it, as it seeks to close a digital technology gap with other leading economies. […]