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Unified platform for managing telco cloud network assets, topologies, and virtual infrastructure.
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Intuitive fiber network visualization and troubleshooting.
Capacity Planning
Data-driven capacity tracking and forecasting across physical and virtual resources.
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Lightweight and functional telco-cloud management solution.
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Lightweight and functional telco-cloud management solution.
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Lightweight and functional telco-cloud management solution.
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Flexible tools for enforcing QoS and access control policies across mobile core environments.
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Pangolin Platform
Unified platform enabling customizable data modeling and seamless integration.
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Unified monitoring and field tracking for professional and mission-critical radio networks.
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Globberry Validates vPCRF Capabilities for Kyivstar Network Environment
Globberry conducted a Proof of Concept (PoC) to validate the functional, and integration capabilities of its virtualized PCRF solution within Kyivstar’s network environment in 2025, confirming readiness for production-scale deployment and advanced service design.
Learn more
Customer
Kyivstar is the largest telecommunications operator in Ukraine, providing mobile and broadband services to millions of subscribers nationwide. As part of its continuous network evolution, Kyivstar evaluates new core network components to ensure flexibility, and support for both standard and non-standard service requirements.
Challenges
1
Validation of PCRF compatibility with Kyivstar’s existing network elements and services
2
Verification of support for standard 3GPP interfaces alongside custom service logic
3
Rapid PoC execution (from remote access for Globberry team to first successful data session) — faster than anticipated
2,5 month
Overall PoC timeline
7 E2E scenarios
executed and validated

Performance showcase in Globberry lab environment

100k / sessions

450 TPS

for traffic distribution modelled after Kyivstar production traffic.

Solution

Globberry delivered a Proof of Concept based on its fully virtualized PCRF platform, supporting both VNF and CNF deployment models and compliant with key 3GPP interfaces including Gx, Rx and Sd.


The PoC environment was integrated with Kyivstar network elements such as PCEF, TDF, IMS via DRA, and test UEs to validate real-world interoperability.

Key elements of the solution included:

Flexible policy configuration and policy import mechanisms
Gx, Rx, and Sd session binding and handling
CRBN selection and updates based on PLMN, RAT type, and provisioned services
Subscriber location reporting upon ECGI change during active VoLTE sessions
Built-in Subscription Profile Repository (SPR)
The PoC was executed with a focus on functional validation and performance verification, while disaster recovery and high-availability testing were intentionally kept out of scope.
Results
Successful functional validation
All seven end-to-end PoC scenarios agreed with Kyivstar were executed successfully
Performance showcase in Globberry lab environment
Sustained load of ~450 TPS and 100,000 active sessions achieved on hardware sizing comparable to the incumbent vendor, confirming realistic capacity planning
Design support
Globberry assisted Kyivstar with PCEF usage reporting scenario design, which was not implemented yet on the live network at that time.
Flexibility demonstrated
Non-3GPP requirements were added to scope and successfully demonstrated during the PoC
Word from Globberry

This PoC confirmed the capabilities of our PCRF solution in a real operator environment. Beyond functional validation, we were able to support Kyivstar with new service design scenarios and demonstrate how the platform can evolve alongside network requirements.