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How do you reuse existing systems design knowledge?

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Systems design is the process of defining and creating the architecture, components, interfaces, and behavior of complex software systems. It requires a combination of technical, analytical, and creative skills to solve real-world problems. But how do you reuse existing systems design knowledge? How do you avoid reinventing the wheel and leverage the best practices and patterns that have been proven to work in similar contexts? In this article, we will explore some ways to reuse systems design knowledge and improve your efficiency and effectiveness as a systems designer.

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Maxim T.

Software Engineer at ITMagination | maximtrafimov.dev
Jyotsna Singh

Software Engineer @ Microsoft | Prev at GitHub, Goldman Sachs, OFSS
Trevor Heyl

Embedded Systems Developer and Engineering Manager

1 Learn from others

One of the best ways to reuse systems design knowledge is to learn from others who have already solved similar problems or faced similar challenges. You can do this by reading books, articles, blogs, podcasts, or videos on systems design topics, such as scalability, reliability, security, performance, or usability. You can also join online communities, forums, or groups where you can ask questions, share ideas, or get feedback from other systems designers. You can also attend workshops, webinars, or courses on systems design to learn new skills or refresh your existing ones.

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Maxim T.

Software Engineer at ITMagination | maximtrafimov.dev
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I largely agree with the points made in the article about reusing systems design knowledge. Learning from others who have solved similar problems or faced similar challenges is indeed one of the most effective ways to improve one's skills and make informed decisions in system design. Learning from Others: Learning from the experiences of others is invaluable. It can save time, resources, and prevent making costly mistakes when designing systems. Diverse Learning Sources: The article mentions various sources of knowledge, such as books, articles, blogs, podcasts, and videos. This diversity allows individuals to choose the medium that best suits their learning style.

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2 Use design patterns

Another way to reuse systems design knowledge is to use design patterns, which are reusable solutions to common problems that arise in systems design. Design patterns provide a common vocabulary and a structured approach to describe and implement systems design solutions. They also help you avoid common pitfalls and trade-offs that might affect your system's quality or performance. Some examples of design patterns are MVC (Model-View-Controller), REST (Representational State Transfer), or Pub/Sub (Publish/Subscribe).

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3 Apply design principles

A third way to reuse systems design knowledge is to apply design principles, which are general guidelines or best practices that help you make better design decisions and achieve your system's goals. Design principles can help you simplify your system's complexity, enhance your system's modularity, increase your system's cohesion, reduce your system's coupling, or improve your system's maintainability. Some examples of design principles are SOLID (Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, Dependency Inversion), DRY (Don't Repeat Yourself), or KISS (Keep It Simple, Stupid).

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4 Use design tools

A fourth way to reuse systems design knowledge is to use design tools, which are software applications or platforms that help you create, document, communicate, or evaluate your system's design. Design tools can help you visualize your system's structure, behavior, or interactions, as well as identify potential issues, risks, or improvements. They can also help you collaborate with other stakeholders, such as developers, testers, users, or clients, and ensure that your system's design meets their needs and expectations. Some examples of design tools are UML (Unified Modeling Language), ERD (Entity-Relationship Diagram), or C4 (Context, Container, Component, Code).

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5 Review and update your design

A fifth way to reuse systems design knowledge is to review and update your design regularly, as your system evolves and new requirements or constraints emerge. You can do this by conducting design reviews, which are formal or informal sessions where you present, discuss, or evaluate your system's design with other systems designers or stakeholders. You can also do this by applying design refactoring, which is the process of improving your system's design without changing its functionality or behavior. Reviewing and updating your design can help you ensure that your system's design remains relevant, consistent, and effective.

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Jyotsna Singh

Software Engineer @ Microsoft | Prev at GitHub, Goldman Sachs, OFSS
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Design reviews are a great way to ensure that we are not making any mistakes that someone in the team already made and learnt from. Software ecosystems are different across companies and even teams within companies, and general design principles might not help with some specific pitfalls of your specific ecosystem. Also, writing and presenting the design for review helps us look at our design with a fresh perspective and polish the design further.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Trevor Heyl

Embedded Systems Developer and Engineering Manager
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Reuse of design knowledge may encapsulate reuse of the actual outputs of the design as well. For example take software. I think an important part of this discussion is the topic of software reuse, writing code for re-usability. The same argument holds for hardware, modular design leads to modular outputs that are reusable.

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How do you reuse existing systems design knowledge?

1

2

3

4

5

6

1 Learn from others

2 Use design patterns

3 Apply design principles

4 Use design tools

5 Review and update your design

6 Here’s what else to consider

Systems Design

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How do you reuse existing systems design knowledge?

1

2

3

4

5

6

1 Learn from others

2 Use design patterns

3 Apply design principles

4 Use design tools

5 Review and update your design

6 Here’s what else to consider

Systems Design

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