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Five Ways to Migrate Applications to the Cloud

  • Five Ways to Migrate Applications to the Cloud-

    Replace: Discard an existing application (or set of applications) and use commercial software delivered as a service.

    The replacing option avoids investment in mobilizing a development team when requirements for a business function change quickly. Disadvantages can include inconsistent data semantics, data access issues, and vendor lock-in.

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Five Ways to Migrate Applications to the Cloud

  • 1 | 2 | 3 | 4 | 5 | 6 | 7
  • Five Ways to Migrate Applications to the Cloud-6

    Replace: Discard an existing application (or set of applications) and use commercial software delivered as a service.

    The replacing option avoids investment in mobilizing a development team when requirements for a business function change quickly. Disadvantages can include inconsistent data semantics, data access issues, and vendor lock-in.

Organizations seeking to move applications into the cloud have five options: rehost on infrastructure-as-a-service (IaaS), refactor for platform-as-a-service (PaaS), revise for IaaS or PaaS, rebuild on PaaS, or replace with software-as-a-service (SaaS), according to Gartner, Inc.

“When the CIO issues the simple directive ‘Move some applications to the cloud,’ architects face bewildering choices about how to do this, and their decision must consider an organization’s requirements, evaluation criteria, and architecture principles,” said Richard Watson, research director at Gartner. “However, no alternative offers a silver bullet: All require architects to understand application migration from multiple perspectives and criteria, such as IT staff skills, the value of existing investments, and application architecture.”

This slideshow highlights the alternative migration strategies Gartner suggests IT organizations consider.

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