Editing Packet switching (section)

====JANET====
[[JANET]] was the UK academic and research network, linking all universities, higher education establishments, and publicly funded research laboratories following its launch in 1984.<ref>{{cite web|title=1984-2014: 30 years of the Janet network|url=https://www.jisc.ac.uk/sites/default/files/janet-news-24-pull-out-april-2014.pdf |archive-url=https://ghostarchive.org/archive/20221010/https://www.jisc.ac.uk/sites/default/files/janet-news-24-pull-out-april-2014.pdf |archive-date=2022-10-10 |url-status=live|publisher=Disc|access-date=23 September 2017}}</ref> The X.25 network, which used the [[Coloured Book protocols]], was based mainly on [[GEC 4000 series]] switches, and ran X.25 links at up to {{nowrap|8 Mbit/s}} in its final phase before being converted to an IP-based network in 1991. The JANET network grew out of the 1970s SRCnet, later called SERCnet.<ref>{{Cite journal|last=Wells|first=Mike|date=1988-11-01|title=JANET-the United Kingdom Joint Academic Network|journal=Serials|language=en|volume=1|issue=3|pages=28–36|doi=10.1629/010328|issn=1475-3308|doi-access=free}}</ref>