Verified Milestones

Over three decades, CSL has designed, integrated, and supported mission-critical architectures for telecommunications, banking, and global humanitarian institutions.

Case study 01

Dutch-Bangla Bank Limited (DBBL)

USD 3.3 Million Value36 Core Banking Workflows Automated Paperless

Integration Scope

3-Site DC/DR Storage Consolidation & Workflow Automation

Designed and deployed a state-of-the-art active-active-passive 3-site storage consolidation and backup failover architecture across primary, backup, and secondary disaster recovery locations.

Automated 36 core banking processes and workflows using enterprise document management platforms (EMC Documentum and Captiva), establishing a fully paperless operating context.

Storage ConsolidationActive-Active DRWorkflow AutomationEMC DocumentumCaptiva

Case study 02

Banglalink (Orascom Telecom)

58% OPEX Reductions8:1 Server Consolidation Ratio Deployed

Integration Scope

Blade Server Virtualization & Optimization

Orchestrated the virtualization and migration of over 150 legacy server nodes into consolidated high-density blade servers.

Raised aggregate CPU utilization averages from 6–10% up to 80%, yielding major operational budget savings and cutting server foot-space requirements by an 8:1 ratio.

Blade ServerVirtualizationOPEX OptimizationDatacenter ConsolidationvSphere

Case study 03

Robi Axiata Limited

Zero-Downtime MigrationConsolidated Datacenter Failover Implemented

Integration Scope

Enterprise Storage Infrastructure & DR Migration

Delivered an enterprise-wide storage infrastructure consolidation, backup synchronization, and zero-downtime database migration.

Ensured robust business continuity for millions of mobile subscribers by migrating core data registers to modern primary arrays.

DR MigrationDatabase MigrationZero-DowntimeBusiness ContinuitySAN Arrays

Case study 04

Grameenphone

Private Cloud IntegrationHypervisor Virtualization Backplanes Configured

Integration Scope

GP White Cloud Infrastructure Deployment

Configured and launched CSL private cloud configurations involving servers, storage platforms, high-speed switching nodes, and hypervisor virtualization backplanes.

Enabled GP engineers to allocate developer sandboxes and staging resources in minutes instead of weeks, accelerating telecommunication software releases.

Private CloudSDN SwitchingVirtualizationStaging SandboxCloud Infrastructure

Case study 05

World Vision Bangladesh

Cisco ISE EnforcementZero-Trust Role-Based Boundary Segments Enforced

Integration Scope

Identity & Access Management Security Integration

Configured network access policies and endpoint authentication rules using Cisco ISE (Identity Services Engine) across WVB national offices.

Enforced zero-trust identity checks and secure role-based boundary segments, safeguarding humanitarian telemetry and databases.

Identity ManagementCisco ISEZero-Trust AccessNetwork SecurityEndpoint Policy

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