Rahul - Case Studies & BlogsCloud Data and AI Transformation Leader helping organisations modernise complex environments and build intelligent, AI-ready platforms.https://rahulrahul.com.au/Orchestrator and Agentic loop from scratchhttps://rahulrahul.com.au/blogs/orchestrator-agentic-loop-from-scratch/https://rahulrahul.com.au/blogs/orchestrator-agentic-loop-from-scratch/A gated, governed and audited orchestrator from scratch which can withstand production stress without losing its safety. This orchestrator is a guide to a resilient design for answering a specific…Mon, 12 Oct 2026 00:00:00 GMTEnterprise AI TCO: Why the Bill Is Always Higher Than the Business Casehttps://rahulrahul.com.au/blogs/enterprise-ai-tco/https://rahulrahul.com.au/blogs/enterprise-ai-tco/Most enterprises don't model AI cost - they model headcount reduction. The invoice that follows is not a billing surprise. It's a structural misclassification that's been accumulating for…Thu, 28 May 2026 00:00:00 GMTBackup Governance at Scale Enforcing APRA CPS 234 Across a Hybrid Cloud Estatehttps://rahulrahul.com.au/blogs/backup-governance-cps234/https://rahulrahul.com.au/blogs/backup-governance-cps234/A ransomware actor's first move is destroying the backups before encrypting production. This case study documents the architecture I designed to make that structurally impossible - enforcing…Thu, 09 Apr 2026 00:00:00 GMTEnterprise Use cases and assessment framework for agentic workflow orchestration layerhttps://rahulrahul.com.au/blogs/agentic-workflow-orchestration-layer/https://rahulrahul.com.au/blogs/agentic-workflow-orchestration-layer/You decide to implement AI agents in your organisation, demo works exceptionally well. Weeks later, it made into production but the very next day nobody knows why it made a particular…Sun, 08 Mar 2026 00:00:00 GMTAccelerating Technology Modernisation with Practical Cloud Migration Playbookhttps://rahulrahul.com.au/blogs/cloud-migration-playbook/https://rahulrahul.com.au/blogs/cloud-migration-playbook/Context: A major Financial Institution needed to exit data centres, reduce risk, and modernise…Fri, 06 Mar 2026 00:00:00 GMTAWS Cloud Foundation Uplift (Transport Operator Melbourne)https://rahulrahul.com.au/blogs/aws-cloud-foundation-uplift/https://rahulrahul.com.au/blogs/aws-cloud-foundation-uplift/A medium-scale uplift of an AWS-hosted digital apps ecosystem, prioritising security risk reduction, operational maturity and cost optimisation for a metropolitan transport operator.Fri, 13 Feb 2026 00:00:00 GMT