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IN

Abbreviation(s) and Synonym(s):

Internet

Definition(s):

  The single, interconnected, worldwide system of commercial, governmental, educational, and other computer networks that share (a) the protocol suite specified by the Internet Architecture Board (IAB) and (b) the name and address spaces managed by the Internet Corporation for Assigned Names and Numbers (ICANN).
Source(s):
CNSSI 4009-2015 under Internet from IETF RFC 4949 Ver 2

  The single interconnected world-wide system of commercial, government, educational, and other computer networks that share the set of protocols specified by the Internet Architecture Board (IAB) and the name and address spaces managed by the Internet Corporation for Assigned Names and Numbers (ICANN).
Source(s):
NIST SP 800-82 Rev. 2 under Internet from RFC 4949