27 lines
1.1 KiB
Markdown
27 lines
1.1 KiB
Markdown
Terms
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=====
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As Phil Karlson [once said](http://martinfowler.com/bliki/TwoHardThings.html):
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> There are only two hard things in Computer Science: cache invalidation and
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> naming things.
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Over time, various terms and synonyms for those terms generate some
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controversy, and different teams end up using different words to reference the
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same object or resource. This document serves to record decisions that were
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made regarding certain terms, and attempts to succinctly define each term.
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* ***project*** vs. ***tenant***
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***project*** shall be used to describe the concept of a group of OpenStack
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users that share a common set of quotas. The older term ***tenant*** should
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*not* be used in OpenStack REST APIs.
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* ***server*** vs. ***instance***
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***server*** shall be used to describe a virtual machine, a bare-metal machine,
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or a containerized virtual machine that is used by OpenStack users for
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compute purposes. The older term ***instance*** that is also by Amazon Web
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Services EC2 API to describe a virtual machine, should *not* be used in
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OpenStack REST APIs.
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