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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.

  • Giving Algorithms a Sense of Uncertainty Could...
    on January 18, 2019 at 8:34 pm

    Algorithms are increasingly being used to make ethical decisions. Perhaps the best example of this is a high-tech take on the ethical dilemma known as the trolley problem: if a self-driving car cannot stop itself from killing one of two pedestrians, how should the car's control software choose who live and who dies? […]

  • Hidden History of the Milky Way Revealed by...
    on January 18, 2019 at 3:31 pm

    Last April, Amina Helmi felt goose bumps while driving to work in the northern Netherlands. It had nothing to do with the weather—it was pure anticipation. Just days earlier, a flood of data had been released from Gaia, a European Space Agency (ESA) mission that has been mapping the Milky Way for five years. […]

  • The Shutdown Is Breaking Government Websites, One...
    on January 17, 2019 at 5:20 pm

    The government shutdown is causing many federal websites to fall into disrepair, causing inconvenience and security concerns. […]

  • HPC Cluster Puts Computational Power at...
    on January 17, 2019 at 2:59 pm

    The University of Delaware's newest high performance computing community cluster, named Caviness, puts vast computational power at researchers' disposal. […]

  • Have Aliens Found Us? A Harvard Astronomer on the...
    on January 16, 2019 at 6:58 pm

    On October 19, 2017, astronomers at the University of Hawaii spotted a strange object travelling through our solar system, which they later described as "a red and extremely elongated asteroid." […]