![]() Information labeled with UUIDs by independent parties can therefore be later combined into a single database, or transmitted on the same channel, with a negligible probability of duplication.Īdoption of UUIDs and GUIDs is widespread, with many computing platforms providing support for generating them, and for parsing their textual representation. Thus, anyone can create a UUID and use it to identify something with near certainty that the identifier does not duplicate one that has already been, or will be, created to identify something else. While the probability that a UUID will be duplicated is not zero, it is close enough to zero to be negligible. When generated according to the standard methods, UUIDs are for practical purposes unique, without depending for their uniqueness on a central registration authority or coordination between the parties generating them, unlike most other numbering schemes. The term globally unique identifier (GUID) is also used. ![]() A UUID is generated by an algorithm with values that are based on a machines network address. A universally unique identifier (UUID) is a 128-bit number used to identify information in computer systems. What is UUID A universally unique identifier (UUID) is a 128-bit number that identifies unique Internet objects or data. ![]()
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