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Resource Replication

Defined as the creation of multiple instances of the same IT resource, replication is typically performed when an IT resource’s availability and performance need to be enhanced. Virtualization technology is used to implement the resource replication mechanism to replicate cloud-based IT resources (Figure 1).

The resource replication mechanism is commonly implemented as a hypervisor (see the Hypervisor section). For example, the virtualization platform’s hypervisor can access a virtual server image to create several instances, or to deploy and replicate ready-made environments and entire applications.

Resource Replication: Figure 1 - The hypervisor replicates several instances of a virtual server.

Figure 1 - The hypervisor replicates several instances of a virtual server.

Other common types of replicated IT resources include cloud service implementations and various forms of data and cloud storage device replication.

Related Patterns: