What are some of the architectural problems you encountered in cloud projects?

Question

When you decided to deploy your cloud setup, what architecture / implementation problems did you encounter and how did you resolve them?

Some examples include:

• (architectural) design patterns when you plan to move an existing application to the cloud.
• What non-functional requirements should give priority?
• How do you overcome cloud add-ons? (due to virtualization - like counting resources, etc.)

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