International Organization for Standardization definition standard, body
(ISO) A voluntary, nontreaty organisation founded in 1946, responsible for creating international standards
in many areas, including computers and communications. Its members are the national standards organisations of 89 countries, including the American National Standards Institute
ISO produced the OSI
seven layer model for network architecture.
The term "ISO" is not actually an acronym for anything. It is a pun on the Greek prefix "iso-", meaning "same". Some ISO documents say ISO is not an acronym even though it is an anagram of the initials of the organisation's name.