SMS Listener: ATM Message Gateway
Project Overview
The ATM SMS Gateway is a high-performance backend system built with Spring Boot designed to serve as a mission-critical bridge between mobile network providers and core banking infrastructure. It enables real-time ingestion, processing, and secure forwarding of ATM-related SMS telemetry to centralized processing servers via low-level TCP Sockets.
Key Features
- Real-time SMS Ingestion: Optimized REST endpoints for high-throughput message capturing.
- Intelligent Deduplication: Sliding-window algorithm to prevent redundant processing of duplicate network packets.
- TCP Socket Forwarding: Low-latency communication layer for forwarding transactions to core banking systems.
- Live Monitoring Dashboard: Responsive UI built with Tailwind CSS for real-time message tracking and system health.
- Thread-Safe Architecture: Utilizes concurrent data structures and atomic operations for 100% data integrity.
- Persistent Audit Logging: NIO-based logging system for comprehensive transaction traceability.
Core Innovations
Hybrid Protocol Bridge
Successfully bridges modern high-level HTTP/REST APIs with legacy low-level TCP/IP socket protocols, ensuring compatibility across diverse banking generations.
Self-Healing Connection Layer
Implemented robust error-handling and reconnection logic for socket communication, ensuring 24/7 gateway availability even during network fluctuations.
Technologies Used
System Preview
Backend Transaction Log
Real-time Monitoring Dashboard
Impact
By automating the ingestion and forwarding process, the ATM SMS Gateway reduces transaction latency and eliminates manual data entry errors. The system serves as a foundational component for real-time transaction monitoring, enhancing the security and responsiveness of banking services for thousands of end-users.