Technical Knowledge Base

IT Insights & Deep Dives

Expert articles on managed services, cloud architecture, and datacenter operations — written by engineers who do this work every day.

Cloud

Azure Landing Zone Design: Hub-Spoke Topology, Governance, and Policy-Driven Compliance

A landing zone is the foundation your Azure environment is built on. Get it wrong and you'll rebuild it. This article covers hub-spoke networking, management group hierarchy, Azure Policy enforcement, and the decisions that are hardest to change later.

📅 June 8, 2025 ⏱ 11 min read
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Cloud

Entra ID Hybrid Identity: Designing Your On-Premises AD to Azure Sync Architecture

Most enterprise M365 deployments run in hybrid identity mode — on-premises AD for authentication, Entra ID for cloud access. Choosing between password hash sync, pass-through authentication, and federation has significant implications for availability, security, and latency.

📅 May 22, 2025 ⏱ 9 min read
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Cloud

Azure ExpressRoute vs VPN Gateway: Latency, Redundancy, and the Real Cost Comparison

ExpressRoute promises dedicated, private connectivity to Azure — but at a significant cost premium. This technical comparison helps you decide when the investment is justified and how to design for redundancy in either model.

📅 May 5, 2025 ⏱ 7 min read
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Cloud

AWS Multi-Region Networking: VPC Design, Transit Gateway, and PrivateLink

A production AWS networking architecture requires more than a single VPC with public and private subnets. This deep dive covers hub-and-spoke Transit Gateway design, PrivateLink for internal services, and inter-region latency routing.

📅 May 28, 2025 ⏱ 11 min read
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Cloud

AWS IAM at Scale: Multi-Account Governance with Organizations and SCPs

A single AWS account with IAM roles gets you started. At 10+ accounts, you need AWS Organizations, Service Control Policies, and a permission boundary strategy. This guide covers the governance patterns that prevent privilege escalation at scale.

📅 May 14, 2025 ⏱ 10 min read
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Cloud

AWS EC2 Cost Optimisation: Reserved Instances, Savings Plans, and Right-Sizing

EC2 On-Demand pricing is the most expensive way to run compute in AWS. This guide covers the Reserved Instance vs Savings Plan decision, the right-sizing process using CloudWatch metrics, and the Spot strategy for fault-tolerant workloads.

📅 April 30, 2025 ⏱ 8 min read
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