Networking
AWS ANS-C01: IPv6 Architecture in VPCs
IPv6 in Amazon VPC is not simply “more addresses.” It changes how workloads are numbered, how internet egress is controlled,…
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Infrastructure & Systems
AWS ANS-C01: Hybrid Connectivity Troubleshooting
Hybrid AWS outages are difficult because the failure can sit in several administrative domains at once: an on-premises router, a…
Cloud Computing
AWS ANS-C01: BGP Design for Direct Connect
AWS Direct Connect gives an organization a dedicated path into AWS, but Border Gateway Protocol determines whether that path behaves…
Cloud Computing
AWS ANS-C01: Application Networking with VPC Lattice
Amazon VPC Lattice moves an important networking problem above the subnet-and-route-table layer: how clients discover and reach application services across…
DevOps & Automation
AWS DOP-C02: Operational Automation with Systems Manager
AWS Systems Manager is most useful when it becomes the operating layer for a fleet rather than a collection of…
Cloud Computing
AWS DOP-C02: Infrastructure as Code with CloudFormation
AWS CloudFormation turns infrastructure definitions into managed stacks, but reliable infrastructure as code requires more than storing a template in…
Networking
AWS DOP-C02: Event-Driven Operations with EventBridge
Amazon EventBridge is often described as a serverless event bus, but its operational value comes from turning changes in AWS…
DevOps & Automation
AWS DOP-C02: Deployment Strategies with CodeDeploy
AWS CodeDeploy automates application deployment across Amazon EC2 and on-premises instances, AWS Lambda, and Amazon ECS, but the important architectural…
Cloud Computing
AWS DOP-C02: CloudWatch for Distributed Apps
Distributed applications fail in ways that single-server monitoring cannot explain. A user request may cross a load balancer, container service,…