Although Amazon would probably prefer that its customers operate exclusively within the Amazon Web Services (AWS) cloud, relatively few organizations actually do that. Most still maintain resources on-premises and in competing cloud platforms. As such, organizations must consider how workloads running on-premises can best access data that’s being hosted within the AWS cloud. One solution for doing so is to create an AWS storage gateway.
An AWS storage gateway uses an AWS cloud service in conjunction with a virtual appliance that runs on-premises. Collectively, these components provide the on-premises workloads with access to AWS cloud storage. As a best practice, it’s a good idea to get started by creating an endpoint. Creating an endpoint allows you to confine the storage gateway to your virtual private cloud. The other option is to make the gateway public, but that option introduces various security risks.
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