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2. System Overview

2.1 Project Description

The project entails the development of a comprehensive application aimed at facilitating communication and collaboration among users. It encompasses features such as user authentication, real-time messaging, meeting scheduling, and group management. The application provides a seamless and intuitive user experience, fostering efficient communication and collaboration within teams or communities.

2.2 Technologies Used

The project leverages a variety of technologies to achieve its objectives. These include:

  • Node.js: A JavaScript runtime environment used for building scalable and efficient server-side applications.
  • Express.js: A minimalist web framework for Node.js used to build robust APIs and web applications.
  • OrbitDB: A decenterlized database used for storing and managing user data.
  • JWT (JSON Web Tokens): A secure and compact means of representing claims between parties, used for user authentication and authorization.
  • Socket.IO: A library enabling real-time, bidirectional communication between web clients and servers, facilitating real-time messaging functionality.
  • Joi: A JavaScript library utilized for schema description and validation of user data, ensuring data integrity and consistency.

2.3 Architecture Overview

The architecture of the application follows a modular and scalable design, comprising multiple layers and components:

  • Presentation Layer: This layer encompasses the frontend components of the application, including the user interface and client-side logic. It interacts with the backend through API calls to retrieve and manipulate data.

  • Application Layer: The backend logic of the application resides in this layer. It comprises APIs, middleware, and business logic responsible for handling user authentication, data validation, and business processes such as messaging and meeting scheduling.

  • Data Layer: The data layer consists of the OrbitDB database, where user data, chat messages, group information, and other application data are stored. OrbitDB's decentralized database model allows for efficient storage and retrieval of structured and unstructured data in a peer-to-peer network.

  • Infrastructure Layer: This layer encompasses the underlying infrastructure components, including servers, containers, and networking configurations. Technologies such as Docker and Kubernetes are employed to manage and orchestrate the deployment of application components, ensuring scalability, reliability, and performance.

The architecture follows a microservices-oriented approach, where different functionalities of the application are encapsulated within independent services, promoting modularity, flexibility, and maintainability.

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