Start your journey **from Developer to Software Architect**. In **Lesson 1**, we build the foundation: what software architecture actually is, why it matters to the business, and how to reason about a system using **structures, views, and quality attributes**. Packed with clear whiteboard diagrams you can reuse in your projects.
🎯 *You’ll learn*
The working definition of software architecture (elements, relations, properties)
Why *architecture is an abstraction* and how interfaces separate public vs private details
The three families of structures: *Module**, **Component-&-Connector (C\&C)**, and **Allocation*
*Views vs. structures* and how to document the right views for stakeholders
*System vs. Software vs. Enterprise architecture* (and how they negotiate constraints)
How structures map to *quality attributes* (performance, availability, security, modifiability, etc.)
Core **architectural patterns**: Layered, Client-Server, Repository, Multi-Tier, plus org patterns
What makes a “good” architecture: process habits + structural rules of thumb you can apply today
💡 *Key takeaways*
Architecture is the **bridge from business goals to the working system**.
Choose and document *views* that help stakeholders reason about the qualities that matter.
Design **structures as levers**: module/uses → modifiability, concurrency → deadlock/perf, deployment → perf/availability/security.
Prefer proven *patterns & tactics* unless your requirements are truly unprecedented.
Keep a *small, consistent set of interaction styles* and localize contention.
🧰 *Resources*
Whiteboard diagrams & notes: link in pinned comment
Course playlist: link in pinned comment
Homework: Pick one of your current systems and sketch three views—**module decomposition**, **C\&C (runtime)**, and **deployment**. Write 3–5 quality attribute scenarios and check which structures support them.
👥 *Who this is for*
Developers, leads, and aspiring architects who want practical, systematic ways to design reliable, adaptable systems.
📣 *Call to action*
If you’re following the 30-day series, *subscribe* and turn on notifications.
Comment your *current role* and the *quality attribute* you struggle with most (latency, availability, security, modifiability…).
\#SoftwareArchitecture #DeveloperToArchitect #SystemDesign #Microservices #ArchitecturePatterns #EnterpriseArchitecture #DesignPrinciples #PerformanceEngineering #Scalability #Reliability #Modifiability #ATAM #LayeredArchitecture #ClientServer #RepositoryPattern
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📌 *Chapters*
00:00 Intro
00:32 Definition
01:53 Abstraction
03:00 Software Structures
03:06 Module Structure
03:32 Component & Connector (C&C) Structure
04:02 Allocation Structure
04:35 System and Enterprise Architecture
05:33 Enterprise Architecture
06:03 Views
06:35 Examples of Modules
06:41 Decomposition
07:03 Module Structure Example
07:28 Layered Architecture
07:50 Class Generalisation
08:08 Data Model
08:29 Component & Connector
08:35 Services
08:53 Concurrency
09:19 Allocation Structures
09:26 Deployment
09:47 Implementation
10:05 Work Assignment
10:18 How Structures Relate
11:12 Dominant Structure
12:10 Rules of Thumb
12:55 Architectural Patterns
12:59 Layered Pattern
13:16 Shared Data Pattern
13:35 Client-Server
14:00 Multi-layered Pattern
14:17 Competence Center
14:45 Good Architecture
15:08 Process Recommendations
16:19 Structural Recommendations
18:26 How to Use This in Practice
19:16 Summary
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