If you have to migrate an application to a public cloud, then there are five aspects that you need to consider first before migrating.
1. Cost Management
Cost of public cloud service must be clearly understood and charge back to each application must be accurate. Lookout for hidden costs and demand based costs - as these can burn a serious hole in your budgets.
2. Governance & Compliance
Compliance to regulatory standards is mandatory. In addition you may need additional compliance requirements. Service providers must proactively adhere to these standards.
3. Performance & Availability
Application performance is the key. Availability/Up time of underlying infrastructure and performance of IT infrastructure must be monitored continuously. In addition, application performance monitoring both direct methods and via synthetic transactions is critical to know what customers are experiencing
4. Data & Application Security
Data security is a must. Data must be protected against data theft, Data loss, data unavailability. Applications must also be secured from unauthorized access and DDoS attacks. Having an active security system is a must for apps running on cloud.
5. Automation & Orchestration
Automation for rapid application deployment via DevOps, rapid configuration changes and new application deployment is a must. Offering IT Infrastructure as code enables flexibility for automation and DevOps. Orchestration of various third party cloud services and ability to use multiple cloud services together is mandatory.
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