← Back to knowledge centerEngineering memoInfrastructure5 min read
Memo: inputs for an infrastructure project estimate
Better inputs reduce hidden assumptions and arbitrary safety margins. Attach this memo to an internal request or an integrator brief.
VVirtek Engineering BoardSystems integration and operations
Scope
- What process or service must change, which sites and systems are included, and what is explicitly excluded?
- Who accepts the architecture and the final result?
Workload and growth
- Current users, transactions, data volume and peaks.
- Three-year growth, latency, availability, RTO, RPO and maintenance windows.
Existing environment
- Network, compute, storage, virtualization and backup diagrams.
- Versions, licenses, warranties, integrations, owners and known bottlenecks.
Site and operations
- Rack, power, cooling, connectivity and access constraints.
- Future administrators, monitoring, service desk, documentation, training and spares.
Procurement
- Budget range, target date, registry and certification requirements.
- Rules for equivalents, delivery stages, payment and acceptance.
Missing data is acceptable when it is marked clearly. The assessment can then close the real gap instead of rediscovering known facts.
