Introduction to System Design Methodologies

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Introduction to System Design Methodologies

Sneha Mehta

@snehamehta

February 27, 2023

Tech for Good

2747

A system design is a process of defining the interfaces, modules, components, and data for any system to specify the detailed requirements. It is intended to meet specific needs and requirements within any business by engineering coherent and smooth-running systems. In other words, it entails a systematic approach to designing the system, from architecture to the necessary dedicated hardware and software and observing how it travels and transforms throughout the system.

There are four major methods for describing system design:

Logical Design

Logical Design can explain the abstraction representation of the data flow, including the system's input and output. The Logical Design explains four major units, which are as follows:

a. Source

b. Destination

c. Data Stores

d. Flow of Data

Physical Design

It is the process of the system's actual input and output. Its main criteria are to examine how the data is manipulated, i.e. verification, processing, and displaying. Aside from that, it is also concerned with the user's interface design, process design, and data design.

Architectural Design

The discipline focuses on meeting requirements and working on the system's structure and behavior. It explains the connection between the various modules of the system development process.

Detailed Design

It aids in the preparation of a system's raw print, which aids in the achievement of the goals of the dedicated system design. It also includes some modules: project planning, control, user involvement, and detailed sub-system definition.

Why Should You Choose System Design?

The top apps we frequently interact with include Instagram, Twitter, and others. As a result, they are a highly scalable platform that handles millions and billions of requests per day. As a result, they must design a system capable of handling that volume of data and traffic with zero failure, which is where system design comes in. As a developer, your task will be to understand the system design fundamental concepts and how and where to apply them in real-world applications and systems.

During your initial career phase, you will gain proficiency while learning system design, which will allow you to apply design principles in your projects. As you advance in your career, you will begin to work on architecture, infrastructure, algorithms, and data within the system design. Aside from that, the SDLC includes some major modules such as data collection, problem formulation, model creation, model implementation, and model enhancement.

What Skills Are Required for System Design?

A few skills are required to become a successful system design engineer. Here are a few examples:

Tools and Techniques: You will be expected to learn various domains, including system design. Sketch2react, TeamCenter, Adobe XD, and other popular tools are listed below.

Technical Skills: The following are some of the fundamental skill sets required in system design:

Application Development
Asset Management
Basic knowledge of the network within the system
Software development
Documentation ability
Analytical and decision-making skills
Mathematical concepts that are clear

Fundamental Skills: Aside from the skill sets listed above, you must have a few other things while working as a system design engineer. Among them are:

One must be able to handle complexity and apply methods to real-life scenarios to achieve specific goals.

It is also necessary to have a clear vision of what needs to be accomplished and to provide solutions that meet the client's needs.

Regular and rigorous practice is required to advance in this field, as in any other, as is an awareness of the latest trends and technologies.

The Essential Concept in System Design

There are a few concepts that are required to work in system design, and they are as follows:

Design of a System -> Design of a System + Design

Whereas a system refers to the assembly of small and diverse units (in terms of requirements), Design refers to efficiently handling those entities (of any volume).

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