To accomplish this quickly, we’ve chosen to launch regions in new geographies with one availability domain.Īs regions require expansion, we have the option to add capacity to existing availability domains, to add additional availability domains to an existing region, or to build a new region. Oracle is adding multiple cloud regions around the world to provide local access to cloud resources for our customers.
The availability domains within the same region are connected to each other by a low latency, high bandwidth network, which makes it possible for you to provide high-availability connectivity to the internet and on-premises, and to build replicated systems in multiple availability domains for both high-availability and disaster recovery. Because availability domains do not share infrastructure such as power or cooling, or the internal availability domain network, a failure at one availability domain within a region is unlikely to impact the availability of the others within the same region. Availability domains are isolated from each other, fault tolerant, and very unlikely to fail simultaneously. Traffic between availability domains and between regions is encrypted. Most Oracle Cloud Infrastructure resources are either region-specific, such as a virtual cloud network, or availability domain-specific, such as a compute instance. A region is composed of one or more availability domains. A region is a localized geographic area, and an availability domain is one or more data centers located within a region. Oracle Cloud Infrastructure is hosted in regions and availability domains.
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