On-Premises to Cloud Migration for GTPL (Hathway)

Client: GTPL Hathway Ltd.
Industry: Telecommunications / Internet Service Provider
Executed by: Tech4Logic

Client Overview

GTPL Hathway Ltd. is one of India’s largest Multi-System Operators (MSO) and Broadband Service Providers, serving millions of subscribers across a vast geographic region. With a rapidly expanding customer base and growing IT infrastructure needs, GTPL recognized the urgent requirement to evolve from their legacy on-premise systems to a more agile and scalable cloud environment.

Their existing IT infrastructure, while functional, began to strain under increased operational demand, creating bottlenecks and hindering service efficiency.

⚠️ Key Business Challenges

GTPL faced a range of challenges with their traditional, on-premise setup:

  • 📉 Limited Scalability & Redundancy
    Infrastructure lacked the flexibility to scale quickly with growing demand.

  • 📬 Inefficient Email Management
    Legacy email systems offered limited archiving, poor spam filtering, and were hard to maintain.

  • 🕒 Slow Provisioning
    IT resource deployment was time-consuming and required manual configuration.

  • 🔒 Security & Compliance Gaps
    Legacy firewalls and antivirus solutions were no longer adequate for emerging threats and compliance frameworks.

  • ⚠️ High Downtime Risk During Migration
    Any major shift, especially involving core systems and email, carried the risk of operational disruption.


🎯 Project Objectives

Tech4Logic partnered with GTPL with a clear vision to modernize and future-proof their IT environment through cloud migration. The core objectives were:

  • ☁️ Migrate On-Premise Email to Cloud-Based Email (e.g., Microsoft 365 or Google Workspace)

  • 🏗️ Rehost Core IT Infrastructure on a cloud-based IaaS platform (such as AWS or Azure)

  • 🔐 Replace Legacy Security Appliances with scalable cloud-native security solutions

  • 🔄 Ensure Business Continuity with minimal downtime and seamless user transition

  • Achieve Compliance with industry and regulatory standards


🛠️ Our Approach & Execution

Tech4Logic adopted a phased and low-risk migration strategy focused on minimal disruption and maximum impact.

📌 Phase 1: Discovery & Planning

  • Conducted a full audit of existing systems and dependencies

  • Mapped out risk zones and critical workloads

  • Selected the right cloud platforms aligned with business goals and compliance needs

📌 Phase 2: Email Migration

  • Migrated all user mailboxes from legacy servers to Microsoft 365 (or Google Workspace), ensuring:

    • Zero data loss

    • Minimal downtime

    • Improved spam filtering, archiving, and accessibility

📌 Phase 3: Infrastructure Rehosting

  • Rehosted core servers and workloads to a secure cloud IaaS environment

  • Used automation tools to replicate workloads with improved scalability

  • Applied backups and failover plans to support continuity

📌 Phase 4: Security Modernization

  • Decommissioned outdated firewalls and implemented cloud-native security (e.g., Microsoft Defender, Palo Alto Prisma, etc.)

  • Integrated real-time monitoring, endpoint protection, and compliance tools

📌 Phase 5: Post-Migration Testing & Support

  • Conducted performance, security, and compliance testing

  • Provided user training and documentation

  • Offered 24/7 support for 30 days post-migration to ensure stability


📈 Results & Business Impact

The project resulted in a smooth migration and a transformative improvement in GTPL’s IT environment:

  • 🚀 99.98% Uptime Maintained during and post-migration

  • ⏱️ 50% Faster Infrastructure Provisioning for new services and users

  • 🧠 Centralized Email & Collaboration with enhanced security and archiving

  • 🔐 Stronger Security Posture with AI-based threat detection and real-time alerts

  • 💰 25% Cost Optimization through reduced on-premise hardware and maintenance needs

  • 📑 Improved Audit Readiness & Regulatory Compliance


✅ Conclusion

By partnering with Tech4Logic, GTPL Hathway successfully modernized its IT landscape, moving from a rigid and risk-prone on-premise model to a flexible, secure, and scalable cloud environment. The transition not only enhanced operational agility but also laid the foundation for future innovation and business resilience.

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