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Four Cloud-to-Cloud Data Migration Options

If you already use cloud storage to store some or all your archival or backup data, you are in good company. A recent survey of nearly 600 companies found that over 80 percent of them already use the cloud. This potentially creates a new challenge. They find their cloud storage needs change and they must migrate their data from one cloud to another.  When this infrequent situation arises, they will find four cloud-to-cloud data migration options available to them.

Events Precipitating a Cloud-to-cloud Data Migration

Many organizations expect storage affordability, good performance, and ease of management when they store their data in the cloud. Then the costs start piling up. To mitigate them, they may introduce storage tiering which allows storage complexity to creep back.
Once they have their data situated on different cloud storage tiers, data availability and performance may become unpredictable. Since each tier has different availability and performance characteristics, organizations cannot always access data as quickly or reliably as they need.

Four Cloud-to-cloud Data Migration Options

Any or all these factors may precipitate the need for organizations to move their data. This often translates into migrating their data to another cloud storage solution that better meets their requirements. To perform a cloud-to-cloud data migration, there exists at least four options from which they may choose.

Option #1: All-cloud Internet-based Data Migration

data migration
Figure 1 All-cloud Internet-based

Using an all-cloud internet-based data migration, an organization migrates data directly from one cloud provider to the other. This technique moves the data while keeping minimal or no data on-premises for any length of time. This option permits organizations to use their existing internet connection to perform the data migration. In the simplest use cases, it may take the form of a cut-and-paste operation.

Option #2: All-cloud Direct Connect Data Migration

All cloud direct connect data migration
Figure 2 All-cloud Direct Connect

A direct connection between clouds consists of a wide area network (WAN) connection between different cloud. This often provides the fastest means to migrate data between two clouds.

Option #3: Self-hosted Data Migration

Self hosted data migration
Figure 3 Self-hosted

This option resembles the all-cloud internet-based data migration as an organization uses its existing internet connection to migrate data. However, it differs in that it breaks up the data migration by first caching data on-premises at the organization before replicating it to the new cloud destination.

Option #4: Source Data Migration

Source Data
Figure 4 Source

Using this option, organizations do not migrate any data at all. Rather, organizations simply stop using one cloud storage target to store data and start using another one. They may determine the costs to download and upload data to the new cloud storage target outweighs the costs of keeping it where it resides.

Making the Best Choice

The best migration choice for each organization boils down to understanding the specific benefits and drawbacks associated with each one. For instance, the fourth option of simply storing all new data in the new cloud sounds like the easiest one as no data migration occurs. However, organizations may need to choose between abandoning/deleting the data in the old cloud or pay to continue to host it there.
To help you make the best cloud-to-cloud data migration choice, a recent DCIG Technology Report goes deeper into the specifics. It covers the benefits and considerations associated with each cloud-to-cloud data migration option. It also provides best practices for performing a cloud-to-cloud data migration.
If interested in learning more, you may freely download this report by following this link to a registration page on Wasabi’s website.

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Technology providers interested in licensing DCIG TOP 5 reports or having DCIG produce custom reports, please contact DCIG for more information.


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