Practical notes
Articles · infrastructure
Articles on data platforms, applications, AI and cloud, explaining technical mechanisms and architecture decisions.
Four decisions for cloud access across Google Cloud, Azure, AWS and Infomaniak
Permission scope, temporary privileges, workload identities and traceability let a team compare platforms against the same requirements.
Five attack scenarios and the controls that limit their consequences
Exposed services, accounts, payments, suppliers and recovery need different protections. Priority follows the activities the organisation must preserve.
Reducing IT costs through a complete cost comparison
The dominant expense, the effort of change and the operating cost determine the saving. A comparison method, with AI as a worked example.
Three configurations for sizing local AI
Memory, throughput and concurrent demand guide the hardware choice. Three profiles help prepare a trial and compare total operating cost.
Testing whether backups can restore the business service
A complete restore checks the data, applications and dependencies. Its measured result shows how recovery capacity compares with the organisation’s needs.