BSNL Deploys PertSol's iSecureHL for Pan-India IP Log Management & DoT-Compliant IPDR Operations

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Modernizing IPDR Operations for a Nationwide Telecom Network

Bharat Sanchar Nigam Limited (BSNL), India's state-owned telecom service provider, operates one of the country's largest broadband and IP service infrastructures, delivering broadband, FTTH, Wi-Fi, and leased-line services across a nationwide network. With rapid growth in IP traffic volumes and evolving regulatory requirements, the organization required a centralized and scalable framework capable of supporting large-scale IPDR management, regulatory compliance, and long-term operational readiness. To address these requirements, BSNL partnered with PertSol to deploy iSecureHL as a pan-India IP Log Management platform.

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Challenges Driving Transformation

Managing National-Scale IPDR Volumes

Rapid growth in broadband, FTTH, Wi-Fi, and leased-line services generated massive IP traffic volumes across 12 Internet Gateway locations and multiple CGNAT environments. Managing tens of billions of IPDR records daily required a highly scalable platform capable of processing, storing, and retrieving data efficiently.

Complex Multi-Source Data Correlation

Meeting Long-Term Regulatory Requirements

Fast Retrieval for LEA Investigations

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Solution Strategy & Implementation

Centralized Pan-India Deployment

PertSol deployed iSecureHL as a centralized IPDR management platform at the operator's Bangalore data center, aggregating traffic and IPDR information from network elements distributed across the nationwide telecom infrastructure.

Multi-Source Integration

The platform integrated with 12 Internet Gateways, CGNAT environments, AAA systems, LDAP platforms, Wi-Fi core networks, and CRM systems, creating a unified framework for collecting and managing IPDR-related information.

Near Real-Time Correlation

Advanced correlation engines combined NAT, subscriber, and session data to generate complete IPDR records in near real time. This enabled accurate subscriber traceability and improved visibility into IP session activity.

Secure Retention & Compliance

The solution incorporated advanced compression, encryption, audit trails, and SAN-based storage to support secure retention of IPDR records while maintaining compliance with regulatory requirements.

Scalable High-Availability Architecture

Designed for high availability and future growth, the platform supports 10G and 100G network environments while providing a scalable foundation capable of supporting future bandwidth expansion to Tbps-scale deployments.

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Measurable Business Outcomes

IPDR Records Per Day

IPDRs Processed Per Hour

Data Retention

Integrated Nationwide

Project Team

Core Network Operations

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Customer Success Story

As IP traffic volumes continued to grow across its nationwide broadband infrastructure, BSNL required a centralized and scalable approach to IPDR management. By deploying PertSol's iSecureHL platform, the organization established a unified framework for data correlation, retention, search, and compliance operations. The deployment enhanced nationwide visibility into IP activity, simplified regulatory compliance, improved support for law-enforcement investigations, and provided a future-ready foundation capable of supporting continued network growth and increasing data volumes.

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Insights, ideas, and industry perspectives

CSPs/Telcos

As part of its India market entry, the provider was required to implement a lawful interception framework aligned.

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