Systems Architecture
Enterprise Architecture
Aligning systems, applications and infrastructure with business needs.
- 9 notes
- 72 minutes of reading
- What enterprise architecture is: business, data, application and technologyAn introduction to enterprise architecture: the four architecture domains, baseline and target states, gap analysis and roadmaps, and why EA matters to network and security engineers. 7 min · Beginner
- TOGAF overview: the Architecture Development Method cycleA clear overview of TOGAF and its Architecture Development Method (ADM): the Preliminary phase, phases A to H, requirements management, deliverables and how to apply it without excessive paperwork. 8 min · Intermediate
- The Zachman framework overviewExplains the Zachman framework as a classification grid of six questions and six perspectives, how it differs from a method like TOGAF, and how to use it to check that architecture documentation is complete. 7 min · Intermediate
- Business capabilities and aligning IT with the businessWhat business capabilities are, how to build and use a capability map, heat mapping for investment decisions, and practical ways to align IT and security work with business goals. 8 min · Intermediate
- Documenting architecture: the C4 model and architecture decision recordsHow to document software and system architecture with the C4 model (context, containers, components, code) and how to record important choices in short architecture decision records (ADRs). 8 min · Intermediate
- Monoliths, SOA and microservicesCompares monolithic, service-oriented and microservice architectures: how each is structured, their strengths and costs, networking and security implications, and how to choose or migrate. 9 min · Intermediate
- Architecture governance, standards and technology roadmapsHow organisations govern architecture: principles, architecture boards, design reviews, technology standards and lifecycle status, exception handling, and building technology roadmaps that teams actually use. 8 min · Advanced
- Network design overview: goals, the hierarchical model and design methodologyWhy modern networks must be designed, the four fundamental design goals, the five steps to building a good network, the three-layer and two-layer hierarchical models, modular enterprise architecture and the design methodology. 9 min · Intermediate
- Campus and data centre architectures: three-tier, collapsed core and spine-leafHow enterprise networks are laid out today: three-tier and collapsed-core campus designs, why data centres moved to spine-leaf fabrics, oversubscription, overlays such as VXLAN, and how to choose an architecture. 8 min · Intermediate