Introduction to Software Architecture

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Questions and Answers

What is the primary purpose of a functional software architecture diagram?

  • To outline the software development timeline
  • To detail the user interface design
  • To analyze the project's budgeting
  • To represent the interaction between system components (correct)

Which aspect is least likely to be represented in the final software architecture diagram of a messaging system?

  • Data storage solutions
  • Network communication protocols
  • Message delivery mechanism
  • User experience design (correct)

Which of the following statements best describes the role of architecture diagrams in software development?

  • They replace the need for coding in software development.
  • They are solely for marketing purposes.
  • They help in visualizing and communicating system design. (correct)
  • They only serve as static documentation.

When updating the software architecture diagram, what is the most important aspect to consider?

<p>Feedback from developers and users (C)</p> Signup and view all the answers

What is a primary feature of the architecture designed for the image-sharing platform?

<p>High scalability for image uploads (B)</p> Signup and view all the answers

Which component is likely essential in a highly scalable image-sharing platform architecture?

<p>Load balancer for distributing traffic (D)</p> Signup and view all the answers

Which aspect is less likely to be a focus in the design of an image-sharing platform?

<p>Multi-player gaming experience (B)</p> Signup and view all the answers

In a scalable image-sharing platform, which characteristic would NOT typically enhance user experience?

<p>Complete offline functionality (A)</p> Signup and view all the answers

What design principle is crucial for managing a high volume of image uploads in the architecture?

<p>Redundant storage solutions (C)</p> Signup and view all the answers

What is the primary purpose of the functional software architecture diagram in a rideshare service?

<p>To visualize the relationships and interactions within the system. (C)</p> Signup and view all the answers

Which of the following best describes a key component included in the functional software architecture of a rideshare service?

<p>APIs for integrating with third-party payment processors. (B)</p> Signup and view all the answers

How does scalability play a role in the design of the rideshare service architecture?

<p>It affects how the system can handle growth in user demand. (C)</p> Signup and view all the answers

Which aspect is least likely to be addressed in the functional software architecture diagram of a rideshare service?

<p>Marketing strategies to attract users. (A)</p> Signup and view all the answers

What should be the focus when creating the functional software architecture for a scalable rideshare service?

<p>Ensuring robust integration with evolving technologies. (D)</p> Signup and view all the answers

What is the primary focus of the content provided?

<p>Designing a Typeahead Service for a Search Engine (B), Creating a Ride Sharing Service (C)</p> Signup and view all the answers

What does the architecture diagram primarily illustrate?

<p>Overall system architecture (D)</p> Signup and view all the answers

Which aspect of the software architecture is likely to be crucial for scalability?

<p>Microservices architecture (C)</p> Signup and view all the answers

Why might developers use sequence diagrams in system design?

<p>To depict interactions between system components over time (B)</p> Signup and view all the answers

What is a potential benefit of designing a scalable rideshare service?

<p>Ability to handle increasing user demand without degradation (D)</p> Signup and view all the answers

In system design, which component is often responsible for handling user requests?

<p>Application Server (D)</p> Signup and view all the answers

What role do notes in architecture diagrams typically serve?

<p>To document key design decisions and considerations (A)</p> Signup and view all the answers

What is one common pitfall when designing scalable systems?

<p>Underestimating traffic spikes (D)</p> Signup and view all the answers

Which concept emphasizes that every software system is different and requires tailored solutions?

<p>Every System is Unique (B)</p> Signup and view all the answers

What is the first step in the system design process?

<p>Gathering Functional Requirements (D)</p> Signup and view all the answers

Which of the following is NOT a part of the system design step-by-step process?

<p>Designing for Performance (D)</p> Signup and view all the answers

What is meant by addressing non-functional requirements in system design?

<p>Ensuring the system meets performance, security, and reliability criteria (A)</p> Signup and view all the answers

Which of the following best describes abstraction in software architecture?

<p>Hiding detailed system implementation from users (A)</p> Signup and view all the answers

In software architecture, why is it significant that there isn’t one correct solution to system design?

<p>Each design can cater to unique user needs or constraints. (A)</p> Signup and view all the answers

Which of the following best captures the essence of 'Designing for Functional Requirements'?

<p>Creating features based on user expectations and needs (B)</p> Signup and view all the answers

What is the significance of defining the system’s API in the design process?

<p>It outlines how different system components interact. (A)</p> Signup and view all the answers

What is the main focus of the software architecture discussed in the content?

<p>Creation of a video on demand streaming service (A), Development of a real-time instant messaging service (B)</p> Signup and view all the answers

Which architecture diagram is associated with the video on demand streaming service?

<p>Final Software Architecture Diagram (C)</p> Signup and view all the answers

What is the primary design characteristic emphasized for the instant messaging service?

<p>Scalability and performance (C)</p> Signup and view all the answers

In developing a scalable system, which component is essential for managing user messages in real-time?

<p>Message broker (B)</p> Signup and view all the answers

Which of the following is NOT typically a concern in the architecture for a streaming service?

<p>Command processing (D)</p> Signup and view all the answers

What aspect of system design is crucial when creating a user's messaging experience?

<p>Latency optimization (B)</p> Signup and view all the answers

What common feature might both the video streaming service and messaging service include?

<p>Notification system (C), User account management (D)</p> Signup and view all the answers

For both services, what architecture component is crucial for handling an increasing number of concurrent users?

<p>Load balancer (A)</p> Signup and view all the answers

Flashcards

Software Architecture Diagram

A visual representation of a software system's structure and components, showing how different parts interact with each other.

Functional Software Architecture

A representation of a system's key functionalities and how they are organized.

Final Software Architecture

A detailed representation of all the parts of a software system, showing their relationships and interactions.

Scalability

The ability of a system to handle increasing user demand and data volume.

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Distributed Architecture

A type of architecture that distributes tasks across multiple servers to improve performance and reliability.

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Real-Time Instant Messaging Architecture

A type of software architecture designed to handle real-time communication, ensuring messages are delivered swiftly and efficiently.

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Message Broker

A core component in messaging systems that manages the connection and communication between users, enabling them to send and receive messages.

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Real-Time Data Storage

A method of storing and retrieving data in a way that enables quick access to the most recent information, ensuring efficient message delivery.

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Reliable Messaging

Ensuring the integrity of message delivery, preventing loss or corruption of data during transmission.

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Functional Software Architecture Diagram

A diagram that illustrates the high-level structure and functionality of a software system.

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Authentication Service

A component in a software architecture that is responsible for managing user accounts and authentication.

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Application Service

A component in a software architecture that handles the processing and execution of requests from users.

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Data Storage

A component in a software architecture that manages the storage and retrieval of data.

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Content Delivery Network (CDN)

A component in a software architecture that manages the delivery of content to users.

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Abstraction

The ability to represent complex concepts in a simplified way, hiding unnecessary details.

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Every System is Unique

Each software system has unique requirements and constraints, demanding tailored solutions.

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System Design doesn't have One Correct Solution

System design doesn't have one perfect answer; there are often multiple valid approaches.

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Gathering Functional Requirements

The process of understanding what the system should do, including features and user actions.

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Gathering Non-Functional Requirements

Defining the system's performance, security, and scalability needs.

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Defining System's API and Sequence of Events

Defining the system's communication interface and the order of actions.

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Designing for Functional Requirements

Designing the system's components to meet the functional requirements.

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Addressing Non-Functional Requirements

Ensuring the system meets the non-functional requirements, like security and performance.

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Typeahead Service

A type of service that provides suggestions as the user types, helping them find what they are looking for faster.

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Ride-Sharing Service

A type of service that lets users share rides with others, often through a mobile application.

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Sequence Diagram

A diagram that shows the sequence of interactions between different components of a system, including messages sent and received.

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System API (Application Programming Interface)

The set of rules and instructions that define how a system interacts with its users, including data formats and communication protocols.

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System Design

The process of designing and building a system with the capability to handle increasing workloads and user demands.

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Notes

A collection of notes, descriptions, or explanations that provide additional information about a specific topic.

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System's API

A set of rules and specifications that define how a system interacts with its users and other systems.

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Software Architecture

The process of designing and creating the structure and components of a software system, focusing on how it will be built and function.

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Video on Demand (VOD) Streaming Service

A service that allows users to watch videos on demand, often through streaming.

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Real-time Instant Messaging

A type of messaging service where messages are delivered almost instantaneously, typically between individual users, often with real-time updates.

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Real-Time Instant Messaging Service

A software system that handles the communication and exchange of messages in a real-time instant messaging service.

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Study Notes

  • Workbook contents, including text and images, are protected by international copyright and trademark laws.
  • Redistribution or reproduction of any part of the content is prohibited without explicit permission from the author.
  • Commercial exploitation of the content is not permitted without written permission.
  • Transferring or storing the content on other websites or forums is forbidden.
  • Printed or downloaded extracts are for personal, non-commercial use only.

Introduction to Software Architecture & System Design Case Studies

  • Software architecture design involves understanding abstraction and the unique nature of every system.
  • System design is a step-by-step process.
  • There is no single correct solution for system design.
  • Functional requirements define the system's core capabilities.
  • Non-functional requirements address system performance, security, and maintainability.
  • Define the system's API and the sequence of events.
  • Design for functional requirements and address non-functional ones.

Design a Highly Scalable Image Sharing Social Media Platform

  • Part 1: Covers the sequence diagram and API for a social media image-sharing platform.
  • Part 2: Presents the functional architecture diagram for the platform, including services involved.
  • Part 3: Provides the final architecture diagram, featuring components like an API gateway and database.

Design a Video-On-Demand (VOD) Streaming Service

  • Part 1: Includes a sequence diagram with API endpoints for viewers and content creators.
  • Part 2: Features the functional architecture diagram, showing how different components like video packaging and storage work together.
  • Part 3: Shows the final architecture, highlighting connections between content creators, users, and different services.

Design a Highly Scalable, Real-Time Instant Messaging Service

  • Part 1: Details the sequence diagram and API for real-time messaging features, covering user signup, login, message sending and receiving.
  • Part 2: Provides a functional architecture diagram with components like user service, chat history, and other services for the messaging app.
  • Part 3: Displays the final architecture diagram, highlighting interactions between different services in the system.

Design a Typeahead / Autocomplete for a Search Engine

  • Part 1: Demonstrates the API for the typeahead/autocomplete search feature. Focuses on the HTTP GET requests and responses related to suggestions for user input.
  • Part 2: Provides the functional architecture diagram, showcasing elements like the Autocomplete Service, and a Big Data Processing Pipeline.
  • Part 3: Contains the final architecture diagram describing how different components work together to support the feature.

Design a Scalable Ride Sharing Service

  • Part 1: Presents sequence diagrams illustrating the rider/driver interactions in the ride-sharing system, and the API calls associated.
  • Part 2: Shows the functional architecture diagram with individual components such as Riders Service, Location Service, and Payment Service.
  • Part 3: Displays the functional software architecture diagram, which includes the Matching Service, Trip Manager, and other services.
  • Part 4: Covers integrating a bloom filter to improve user-lookup speed.
  • Part 5: Includes a geospatial approach, using geohashes to efficiently locate nearby drivers/riders. This is detailed in the final architecture diagram.

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