Client Overview

Client: Bangladesh Inland Water Transport Authority (BIWTA)

Industry: Government / Maritime Transport
Solution: Server Application Software Maintenance Services
Service Provider: Opus Technology Limited (OPUS)

🧩 Client Background

The Bangladesh Inland Water Transport Authority (BIWTA) is the statutory government organization responsible for the development, regulation, and management of inland water transport across Bangladesh. To support its nationwide operations, BIWTA relies on a centralized Personnel Information Management System (PIMS) deployed across a multi-server infrastructure.

Given the mission-critical nature of these systems, BIWTA required a reliable and experienced technology partner to ensure continuous server availability, data integrity, secure communications, and long-term software sustainability.

🎯 Project Objectives

Opus Technology Limited was engaged to deliver comprehensive server application software maintenance with the following objectives:

Establish clear service ownership, accountability, and operational roles
Define measurable service levels and maintenance responsibilities
Ensure uninterrupted operation of the PIMS software across Servers 1–5
Implement reliable backup and disaster recovery mechanisms for application and email systems
Provide structured, SLA-driven technical support

⚙️ Key Challenges

Complex Multi-Server Architecture: Managing five interconnected servers supporting applications, databases, and mail services
Diverse Technology Stack: Maintaining multiple platforms including Linux OS, Load Balancers, PHP-FPM, MySQL, PostgreSQL, Nginx, Django, and Python
Mission-Critical Email Services: Ensuring continuous availability of the Zimbra mail server and seamless communication with external providers (Gmail, Yahoo, etc.)
Operational Continuity Requirements: Responding to critical system issues within a strict two-hour response window

✅ Delivered Solution

Opus Technology Limited implemented a structured and proactive Server Application Software Maintenance Framework to ensure stability, performance, and security of BIWTA’s PIMS environment.

Key Services Delivered:

Infrastructure Management: OS installation, configuration, troubleshooting, and ongoing server maintenance
Traffic & Performance Optimization: Deployment and tuning of Load Balancers and Nginx proxy servers
Database Administration: Installation, configuration, optimization, and issue resolution for MySQL and PostgreSQL
Security & Protection: Implementation of Fail2ban frameworks to safeguard against DoS attacks and unauthorized access
Unified Communications: End-to-end setup and support of Zimbra Open Source Email Suite (MTA, IMAP, POP)
Data Governance & Backup: Daily and weekly automated backups for application and mail server data
SLA-Based Support Model: Tiered incident management covering Minor, Major, and Critical support levels

📈 Measurable Impact

🚀 Optimized System Performance: Enhanced handling of high workloads through optimized PHP-FPM and UWSGI Python application server configurations
⏱️ Faster Incident Response: Defined and achieved a 24-hour target resolution time for critical server incidents
📧 Reliable Communication: Stable and uninterrupted email delivery between internal Zimbra servers and global email platforms
🔐 Strengthened Security Posture: Proactive monitoring and hardened server defenses using optimized Fail2ban rules
📉 Reduced Data Risk: Automated PostgreSQL backups via snapshots and cron jobs significantly minimized the risk of data loss

🏁 Conclusion

Through this strategic engagement, BIWTA achieved a highly available, secure, and performance-optimized server environment supporting its critical PIMS operations. Opus Technology Limited’s expertise in enterprise server maintenance, database administration, and secure communication systems enabled BIWTA to operate with confidence, reliability, and operational continuity.