An identifier for the one world or the ID of a unique universal (Universally unique identifier) (UUID), a number of 128-bit is to identify information in computer systems can be used. Instead of this term, etc. the English term Globally unique identifier (acronym: GUID) also goes to work.

if UUID according to the standard procedures of production are ... without being to an institution, registrar, central or coordinating with other manufacturers UUID to verify the uniqueness, the need may be. practically, the permalinks will be. This is unlike most other methods. Although the probability that a quotient is repetitive is not zero but is as close to zero as it can be ignored.

so, anyone can be a UUID is created and from it to identify the "something" does not use, and ensure that UUID that has produced with UUID that previously generated, or so it will produce, etc. does not interfere. Information labeled by independent entities can then be merged into a database without the need to eliminate interference between identifiers.

application UUID and GUID is extensive and many of the platform, computational of facilities for its production and barking display text UUID support.