IT‑IS Networking
Technology › Cloud & Hybrid

Cloud & Hybrid Architecture

Workload placement, tenancy and the segmentation that ties cloud back to the enterprise — evaluated against recovery objectives and what they cost.

Also known as AWS, Azure, Multi-Cloud, Landing Zone

Hybrid and multi-cloud architecture across AWS and Microsoft Azure: migration strategy, workload placement, tenancy and landing zone design, and the segmentation tying cloud workloads back to the enterprise estate.

Hosting models were evaluated against recovery objectives and the cost of meeting them rather than against a platform preference.

Subtopics

  • Cloud MigrationA $42M move off mainframe onto Oracle ERP in AWS, with isolated environments and controlled promotion between them.

Applied in

  • Oracle ERP Migration to AWS2018–2022A $42M migration of the city's financial systems off mainframe, with isolated environments and controlled promotion.
  • Solid Waste Systems Modernisation2019–2022Legacy route, fleet and scalehouse systems replaced and integrated to cloud, sequenced around an operation with no slow season.

Career

See also