International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 13 Issue: 02 | Feb 2026
p-ISSN: 2395-0072
www.irjet.net
Campus Connect: Design and Implementation of a Hybrid Offline– Online Social Micro Network Using Firebase and Web Technologies Sakshi Kolte1, Anjali Ambekar2, Radhika Giri3 , Shivam Bahire⁴, Prof. P. D. Tangde5 ¹²³´Diploma in Computer Engineering, Shreeyash College of Engineering and Technology (Polytechnic),Chh.Sambhajinagar, India 5Department of Computer Engineering, Shreeyash College of Engineering and Technology (Polytechnic),Chh.Sambhajinagar, India ---------------------------------------------------------------------***---------------------------------------------------------------------
Abstract - Most modern social networking platforms rely on
such as What’s App, Facebook, Telegram, and Instagram have transformed the way individuals and organizations interact. These platforms, however, are designed with the assumption that users always have stable internet connectivity. In reality, this assumption does not hold true in many environments such as educational campuses, rural regions, industrial workplaces, and temporary event locations.
continuous internet connectivity to provide real-time communication and data synchronization. However, in many practical environments such as college campuses, rural institutions, workshops, temporary workspaces, and disasteraffected areas, stable internet connectivity cannot always be guaranteed. Network congestion, limited infrastructure, and frequent interruptions often prevent users from accessing online communication platforms effectively. This limitation leads to communication gaps, delayed announcements, loss of collaborative efficiency, and reduced user experience.
In college campuses, students and staff frequently experience connectivity problems due to limited network infrastructure, heavy traffic, bandwidth constraints, and maintenance issues. During lectures, examinations, seminars, and project discussions, reliable communication is essential. When internet connectivity fails, traditional social networking applications become unusable, leading to delayed coordination, missed announcements, and reduced collaboration among users.
This paper presents Campus Connect, a hybrid offline–online social micro network designed to support reliable communication even under unstable or unavailable network conditions. The proposed system is implemented as a web application that enables users to interact through personal messaging, group discussions, and post sharing in offline mode. Campus Connect integrates Firebase Authentication for secure user login and Firestore Cloud Database for persistent online storage. For offline operations, the system employs IndexedDB to store chats, posts, and user activities locally on the client device. A background synchronization manager continuously monitors network availability and automatically uploads locally stored data to Firestore once connectivity is restored.
The concept of offline-first applications has emerged to address such challenges. Offline-first systems allow applications to continue functioning even when the network is unavailable by storing data locally and synchronizing it later. This approach improves availability and user experience while minimizing disruption caused by connectivity issues.
By adopting an offline-first design approach, Campus Connect minimizes dependency on continuous internet access while maintaining data consistency between local and cloud databases. Experimental evaluation shows that the system improves availability, reduces data loss during network failures, and enhances collaboration within campus environments. The proposed model provides a practical and scalable solution for educational institutions and low-network communication scenarios.
Campus Connect is proposed as a hybrid offline–online social micro network specifically designed for campus communication. The system allows users to send messages, participate in group discussions, and post announcements even when they are offline. By integrating local storage, cloud services, and background synchronization, Campus Connect ensures reliable communication across varying network conditions. The goal of this work is to design and implement a practical communication platform that supports academic collaboration without being fully dependent on internet connectivity.
Key Words: Campus Connect, Offline-First Web App, Firebase Authentication, Firestore, Hybrid Social Network, Group Chat, Data Synchronization.
The overall operational flow of the proposed Campus Connect system is illustrated in Fig. 1. The diagram provides a conceptual overview of user interaction, authentication, network connectivity checking, offline data handling, and cloud synchronization. It highlights how the system supports
1. INTRODUCTION Social networking systems play a vital role in modern digital communication by enabling people to exchange messages, share information, and collaborate in real time. Applications
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