Cloud migration is the process of moving applications, data and infrastructure into a cloud environment. The source may be an on-premises data centre or another provider, and services must stay running and secure throughout.
Data migration is moving data from one system, format or location to another while keeping it complete and correct. Typical cases are legacy database replacements and moves to the cloud.
FinOps is an operating practice that brings engineering, finance and business teams together to manage cloud spending. Teams share visibility of costs and make trade-offs between speed, quality and spend.
Public, private and hybrid cloud are the main cloud deployment models, describing where computing resources run and who shares them. Public cloud is shared provider infrastructure, private cloud serves one organisation, and hybrid connects the two.
Application modernization updates existing software so it is easier to change, scale, secure and run. It ranges from moving an app to new infrastructure unchanged, through restructuring, to rebuilding or replacing it.
A cloud architect designs how an organisation's systems run on cloud platforms, choosing services, network layout, security controls and cost structures. Businesses bring one in before a migration or when cloud sprawl and spend become hard to control.
Cloud computing is the on-demand delivery of servers, storage, databases and software over the internet, paid for by usage. Teams rent capacity from a provider instead of buying and running their own hardware.
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