Insights
Notes from production systems.
No thought leadership. Write-ups on the architecture decisions we actually make, and the ones we have had to undo.
Latest · Cloud & DevOps
The Cost Architecture of an LLM Product: Cache First, Route Second, Optimise Last
Where the money actually goes in a production LLM system, why the usual optimisation order is backwards, and the gateway architecture that makes spend a property you control rather than discover.
· 7 min read
- AI & MLEvaluating Agents in Production: Trajectories, Judges, and the Harness That Survives a Model SwapOutput-only evaluation misses the failures that matter. An architecture for scoring the path an agent takes, running judges you can afford, and turning production traces into the eval set. · 7 min
- AI & MLMCP in Production: The Gateway, the Auth Problem, and What Breaks at Fifty ServersModel Context Protocol won the integration argument. Now the hard parts are operational: propagating identity, controlling blast radius, and stopping tool definitions from eating the context window. · 9 min
- AI & MLProduction RAG Architectures That Survive Their First Real CustomerA deep dive on retrieval-augmented generation in production: chunking strategies that actually work, embedding model selection, and hybrid search. · 6 min
- AI & MLMicrosoft 365 Copilot Integrations That Actually Ship to ProductionDeclarative agents, message-extension plugins, Graph connectors, and the security review that decides whether your Copilot extension ships. · 4 min
- Industry 4.0The Digital Twin Architecture Guide: From PLC to WebSocket, End to EndAn architecture deep dive: OPC-UA, Modbus, Siemens S7, MQTT brokers, Unified Namespace topology, edge gateways, and time-series storage. · 6 min
- InfrastructureSAP, Microsoft Dynamics 365 & ERP Integration for the Modern SaaS StackA guide to integrating your SaaS product with SAP, Dynamics 365, NetSuite, and the long tail of enterprise ERPs — without rebuilding your data model. · 5 min
- Industry 4.0Architecting High-Throughput OPC-UA Pipelines for Industry 4.0Bridge legacy shop-floor machines with cloud analytical databases using Unified Namespace concepts and high-performance brokers. · 1 min
- Cloud & DevOpsDesigning Multi-Region Hybrid Cloud Architectures with TerraformA guide on deploying active-active hybrid clouds with automated disaster recovery and IaC state isolation — the patterns we use in production for technical founders. · 1 min
- AI & MLEdge AI vs. Cloud AI: Deciding Where to Deploy Computer Vision ModelsLatency, bandwidth, security, and hardware — picking the right inference environment for production computer vision. · 1 min
- IoT & IIoTDeploying Resilient Edge Compute Stacks for IoT Data IngestionGateway provisioning, secure MQTT caching, container orchestration, and handling lossy wireless links in edge environments. · 1 min
- InfrastructureZero-Trust Infrastructure and Infrastructure-as-Code Best PracticesProtect cloud accounts by removing static access credentials, implementing short-lived tokens, and enforcing automated security policies. · 1 min