![]() ![]() The type of UUID is determine by the version field bits. Reserved, Microsoft Corporation backward compatibility Leach-Salz, Webtools.Services UUID generator creates only this type of UUID The following table lists the contents of the variant field bits, where the letter "x" indicates a "don't-care" value. Variant bits are the most significant 3 bits of octet 8 of UUIDs. How all other bits in UUIDs be interpreted. The layout of UUIDs are determine by the variant field bits. UUIDs are of multiple types based on algorithm used for their generation.īits sequence in each UUID type are interpreted differently. In memory, UUIDs are saved as 16 octets continuous memory slots in Most Significant Byte first order (also known as network byte order).Įach octet of the UUIDs is interpreted as 8-bit unsigned integer. The hexadecimal values "a" through "f" are output as lower case characters and are case insensitive on input. Used in the Apollo Network Computing System and later in the Open Software Foundations' (OSF) Distributed Computing Environment (DCE), and then inįor human readability, UUIDs are represented as 32 hexadecimal (base 16) string, displayed in five groups separated by hyphens, in the form 8-4-4-4-12. When generated according to the standard methods, UUIDs are unique for practical purposes. UUIDs are 128-bit number used to uniquely ![]() UUID (or GUID) is an acronym for 'Universally Unique Identifier' (or 'Globally Unique Identifier'). Versions of UUIDs for software components, database key, or just for anything where unique Webtools - Online UUID (GUID) Generator is a free online tool that helps you generate different ![]()
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