Field notes on Microsoft 365, identity, cloud and system design, with the commands, configs and cutover plans left in.
A step-by-step guide to moving from Google Workspace to Microsoft 365 with Exchange Online's native Gmail migration and Migration Manager, from routing subdomains and service accounts to MX cutover.
Read the guideAn architecture for publishing one researched article a day and turning it into a narrated vertical video for YouTube Shorts, Instagram, Facebook and LinkedIn, with the platform limits that shape it.
A practical guide to Microsoft 365 tenant-to-tenant migration for mergers and divestitures: native cross-tenant mailbox and OneDrive moves, SharePoint, Teams and the domain cutover.
A blueprint for building accurate, privacy-preserving Retrieval-Augmented Generation (RAG) systems, covering hybrid dense-sparse search, cross-encoder re-ranking, semantic caching and latency tuning.
An enterprise migration architecture and minute-by-minute cutover runbook for moving VMware virtual machines and multi-tier business applications to Microsoft Azure with minimal, planned downtime.
An architectural trade-off analysis of Kafka, RabbitMQ and AWS SQS for transaction-processing workloads, covering rebalance storms, poison-pill DLQ topologies and idempotent consumer design.
A reference architecture for replacing castle-and-moat VPN perimeters with identity-centric Zero Trust using Microsoft Entra ID P2, Zscaler Private Access and Continuous Access Evaluation.
Tenant migrations, Exchange Online, SharePoint, Teams and the admin work that keeps them healthy.
2 articlesEntra ID, Conditional Access, Zero Trust access and privileged account control.
1 articleIntegration patterns, messaging and the trade-offs behind system design decisions.
1 articleRetrieval, evaluation and running language models inside real business systems.
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