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The first working version that was widely deployed was assigned version number 4. [10] A separate protocol based on reliable connections was developed and assigned version 5. IP version 7 was chosen in 1988 by R. Ullmann as the next IP version because he incorrectly assumed that version 6 was in use for ST-II.
AT&T Worldnet, a dial-up Internet access service, was launched in 1996 to compete with AOL. [16] [17] As of 2007, AT&T Internet Services was a trade name for five companies owned by AT&T that provided Internet service under the AT&T Yahoo! name: [citation needed] Ameritech Interactive Media Services (ameritech.net)
There are a large number of versions of this type of switch ranging from local, to transit to international gateway to mobile switching centers. The line was converted with the E10 family of exchanges.
AT&T Computer Systems (abbreviated AT&T-CS) was the home of the UNIX System V operating system, originally developed in the Bell Labs Research Division. The important System V Interface Definition (SVID) was written, attempting to standardize the various flavors of Unix , and define the official interfaces which made up a Unix operating system.
X.25 is an ITU-T standard protocol suite for packet-switched data communication in wide area networks (WAN). It was originally defined by the International Telegraph and Telephone Consultative Committee (CCITT, now ITU-T) in a series of drafts and finalized in a publication known as The Orange Book in 1976.
The 3B series computers [1] [2] are a line of minicomputers [3] made between the late 1970s and 1993 by AT&T Computer Systems' Western Electric subsidiary, for use with the company's UNIX operating system. The line primarily consists of the models 3B20, 3B5, 3B15, 3B2, and 3B4000.
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AT&T: AT&T started testing their networks with IPv6 in 2006. [278] and started rolling out IPv6 to customers with compatible CPEs in Q4 2011. [279] 2012: US Department of Education: US Department of Education (ED) became the first cabinet-level agency to deploy IPv6 on its DNS services across its 17 .gov domains on August 5, 2012. [280] 2012 ...