Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12 Entity Framework Core 28 Dapper 16 Git & GitHub 29 Web Security (OWASP Top 10) 21 LLM Fundamentals 20 C# Fundamentals 20 Object-Oriented Programming in C# 16 C# Collections and Generics 11 LINQ 17 Asynchronous Programming in C# 17 Advanced C# 14 C# Versions 6 Solution Patterns 22 SOLID and Design Principles 12 Clean Code 13 Design Patterns 23 UML and Modeling 18 Introduction to Software Architecture 9 Clean, Onion and Hexagonal Architecture 8 Vertical Slice Architecture 6 Domain-Driven Design 12

2 posts found #quality-attributes

Newest Oldest Popular

Software Architecture PART 02

Quality Attributes: Defining Architecture Characteristics with ISO/IEC 25010:2023

Architecture characteristics describe not what a system does but how well it does it, and they only produce decisions once tied to a domain goal and a number. The nine characteristics of ISO/IEC 25010:2023 and what changed since 2011, FoSA's classification, their .NET 10 counterparts and the top three chosen for Bookstore.

7 Nov 2026 10 min 6

Software Architecture PART 03

Quality Attribute Scenarios: Turning "Make It Fast" into a Measurable Requirement

A sentence like "make it fast" becomes a measurable, testable requirement through SEI's six-part quality attribute scenario (source, stimulus, environment, artifact, response, response measure). In the example, search looks fine with a 121 ms average but misses the target at p95 with 659 ms; prioritizing with a utility tree and connecting scenarios to tests and monitoring.

7 Nov 2026 10 min 5