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Cloudward Bound: Planning for Beneficial Migration of Enterprise Applications to the Cloud

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Executive Summary

In this paper, the authors tackle challenges in migrating enterprise services into hybrid cloud-based deployments, where enterprise operations are partly hosted on-premise and partly in the cloud. Such hybrid architectures enable enterprises to benefit from cloud-based architectures, while honoring application performance requirements, and privacy restrictions on what services may be migrated to the cloud. They make several contributions. First, they highlight the complexity inherent in enterprise applications today in terms of their multi-tiered nature, large number of application components, and interdependencies. Second, they have developed a model to explore the benefits of a hybrid migration approach. The model takes into account enterprise-specific constraints, cost savings, and increased transaction delays and wide-area communication costs that may result from the migration.

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