Editing Packet switching (section)

====NSFNET regional networks====
In addition to the five NSF supercomputer centers, NSFNET provided connectivity to eleven regional networks and through these networks to many smaller regional and campus networks in the United States. The NSFNET regional networks were:<ref name=ConneXions-April1996>{{cite web|url=http://www.merit.edu/research/nsfnet_article.php|title=Retiring the NSFNET Backbone Service: Chronicling the End of an Era|archive-url=https://web.archive.org/web/20130817124939/http://merit.edu/research/nsfnet_article.php|archive-date=2013-08-17|first1=Susan R.|last1=Harris|first2=Elise|last2=Gerich|website=ConneXions|volume=10|issue=4|date=April 1996}}</ref><ref>{{cite web|url=http://www.nsfnet-legacy.org/archives/06--Community.pdf |archive-url=https://ghostarchive.org/archive/20221010/http://www.nsfnet-legacy.org/archives/06--Community.pdf |archive-date=2022-10-10 |url-status=live|title=NSFNET: The Community|first=Doug|last=Gale|website=NSFNET: The Partnership That Changed The World|date=29 November 2007}}</ref>
*BARRNet, the Bay Area Regional Research Network in [[Palo Alto, California]];
*[[CERFnet]], California Education and Research Federation Network in [[San Diego, California]], serving California and Nevada;
*CICNet, the [[Committee on Institutional Cooperation]] Network via the Merit Network in [[Ann Arbor, Michigan]] and later as part of the T3 upgrade via [[Argonne National Laboratory]] outside of [[Chicago]], serving the [[Big Ten]] Universities and the [[University of Chicago]] in Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin;
*[[Merit Network|Merit/MichNet]] in [[Ann Arbor, Michigan]] serving Michigan, formed in 1966,<ref name="Merit1998PartOne">{{cite web|last=Aupperle|first=Eric M.|year=1998|title=Merit–Who, What, and Why, Part One: The Early Years, 1964-1983|url=http://www.merit.edu/about/history/pdf/MeritHistory.pdf|url-status=live|archive-url=https://web.archive.org/web/20130423042006/http://merit.edu/about/history/pdf/MeritHistory.pdf|archive-date=2013-04-23|website=Merit Network, Inc., in Library Hi Tech|volume=16|issue=1}}</ref> still in operation {{as of|2023|lc=on}};<ref>{{cite web |url=https://www.merit.edu/network/internet/ |title=Merit Internet |access-date=2023-06-05}}</ref>
*[[MIDnet]] in [[Lincoln, Nebraska]] serving Arkansas, Iowa, Kansas, Missouri, Nebraska, Oklahoma, and South Dakota;
*[[NEARNET]], the New England Academic and Research Network in [[Cambridge, Massachusetts]], added as part of the upgrade to T3, serving Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont, established in late 1988, operated by [[BBN Technologies|BBN]] under contract to MIT, BBN assumed responsibility for NEARNET on 1 July 1993;<ref>{{cite web|url=http://web.mit.edu/newsoffice/1993/bbn-0714.html|title=BBN to operate NEARnet|website=MIT News|date=14 July 1993}}</ref>
*NorthWestNet in [[Seattle, Washington]], serving Alaska, Idaho, Montana, North Dakota, Oregon, and Washington, founded in 1987;<ref>{{cite web|url=http://www.gutenberg.org/files/40/40-ps.ps|title=About NorthWestNet|website=NorthWestNet User Services Internet Resource Guide, NorthWestNet Academic Computing Consortium, Inc.|date=24 March 1992|access-date=3 July 2012}}</ref>
*[[NYSERNet]], New York State Education and Research Network in [[Ithaca, New York]];
*JVNCNet, the John von Neumann National Supercomputer Center Network in [[Princeton, New Jersey]], serving Delaware and New Jersey;
*SESQUINET, the Sesquicentennial Network in [[Houston, Texas]], founded during the 150th anniversary of the State of [[Texas]];
*[[SURAnet]], the Southeastern Universities Research Association network in [[College Park, Maryland]] and later as part of the T3 upgrade in [[Atlanta, Georgia]] serving Alabama, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, and West Virginia, sold to [[BBN Technologies|BBN]] in 1994; and
*Westnet in [[Salt Lake City, Utah]] and [[Boulder, Colorado]], serving Arizona, Colorado, New Mexico, Utah, and Wyoming.