During the 1980s, BBN's key developments include:<ref>[http://www.bbn.com/about/timeline/ Timeline 1980s]</ref>
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* Wideband Packet-Switched Satellite System
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* Butterfly, the first parallel processor
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* Internet Private Line Interface (IPLI)- an advanced version of the Private Line Interface to protect secret traffic across unsecured IP packet networks
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* SIMNET (Simulation Network)- microcomputer-based combat vehicle simulators were interconnected on a common network
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* New England Academic and Research Network (NEARnet) was launched as a regional data communications network with a 10MB/s speed using microwave and leased communication links
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* Defense Simulation Internet for military intelligence, operations, planning etc.