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Zones partition a domain into smaller managed units. A zone is a set of one or more runtimes where applications (contibutions) are deployed. A domain always has at least one zone and may contain more.
While a domain may be heterogeneous (i.e. it may be composed of many different runtime types), a A zone is homogenous. All In other words, all runtimes in a zone are have the same . Furthermore, all runtimes in a zone configuration and host replicas of the same applications.
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