MNO Core Network Evolution & Architecture Guide
A strategic guide for CTOs, network planners, and mobile operators building and evolving carrier-grade networks
Building a mobile network is not just about launching services.
It is about designing a long-term architecture that can support millions of subscribers, multi-service convergence, and future technology evolution — without costly rebuilds.
The MNO Network Lifecycle: From Deployment to Evolution
Unlike MVNOs, MNO challenges are not about entry — they are about scaling, optimizing, and future-proofing.
Network Planning & Pre-Deployment
Core Network Architecture Design
Vendor & Technology Strategy
Deployment & Network Launch
- How to Plan a 5G Network Rollout Without Costly Delays
- The Biggest Integration Challenges Between RAN, Core, and IMS in 5G Networks
- Ensuring Service Stability Before and After Go-Live in 5G Networks
- Go-Live Risks That Can Disrupt 5G Network Launches
- Deployment Decisions That Create Long-Term OPEX and Scaling Problems in 5G Networks
Scaling & Optimization
- From 100K to Millions: When Subscriber Growth Becomes a Risk for 5G Networks
- How to Manage Traffic Growth Without Over-Investing in 5G Network Infrastructure
- Policy Control and Monetization in 5G Core Networks: Turning Traffic into Revenue
- 5G Network Optimization Strategies That Actually Reduce OPEX
- How to Decide Between Scaling, Optimization, and Re-Architecture in 5G Networks
5G Evolution & Future Expansion
- When Is the Right Time to Move from NSA to SA in 5G Networks?
- Why Many 5G Core Deployments Fail to Deliver ROI
- Network Slicing in 5G: Real Opportunity or Overhyped Feature?
- Supporting Enterprise, FWA, and IoT on a Unified 5G Core Network
- Cloudification and Automation in 5G Networks: What Actually Works in Practice
Transformation & Re-Architecture Risks
Operations & Day-2 Management
Key Strategic Questions MNO Leaders Ask
MNO References
ONDO LLC (IN Mobile) - Mongolia
IPLOOK provides 4G network services (Data, VoLTE, SMS) for IN Mobile to cover the capital area in Mongolia.
Interconnects with ZTE Macro eNodeBs and Baicells small cells.
Supports 200,000 connections, 500,000 capacity, 50Gbps throughput.
Plans to adopt IPLOOK IMS and SBC.
Advantages:
Utilizes pooled MME, SGW, PGW, and primary/standby HSS and PCRF.
LTC Mobile - Liberia
IPLOOK offers EPC, IMS and billing function for LTC to launch 4G mobile services in 2021.
Offers high-quality and affordable 4G Data, VoLTE services and reliable customer experience to all Liberians.
Supports 100,000 connections, 1 million capacity, 80Gbps throughput.
Advantages:
Cost effective, customizable solution.
Acclinks - Kiribati
IPLOOK provides a carrier-grade EPC and IMS platform for Acclinks on Pacific Islands.
Offers pure 4G services, VoLTE, CSFB, SMS, 5G. Plans to complete on-site provision of services phase by phase.
Supports 100,000 connections, 500,000 capacity, 50Gbps throughput.
Ensures high-quality network services with long latency transmission environment.
Advantages:
Resource pools and 1+1 redundant backups.
Sabafon - Yemen
Yemen’s leading operator, with a converged EPC + IMS disaster-recovery solution.
Supports smooth evolution across 2G/3G/4G multi-RAT networks.
Unified HSS/HLR for intelligent management of 2G/3G/4G subscribers.
Millisecond-level lossless handover with seamless CS voice ↔ VoLTE interworking.
Seamless MSC/PCRF compatibility, reducing deployment costs by 40%.
Core Network & Platform Capabilities Covered
Core Network Architecture
4G EPC, 5G Core, and evolution strategy
IMS & VoLTE / VoNR
Voice evolution and service continuity
Policy Control & Charging
PCRF/PCF and monetization strategies
OSS/BSS Integration
Operational visibility and automation
Multi-Service Convergence
Consumer, enterprise, IoT, and FWA on one core
Network Slicing & 5G Capabilities
Enterprise-grade service differentiation
Common MNO Challenges and Failure Patterns
Over-investment in rigid legacy architecture
Difficult and expensive migration to 5G Core
Vendor lock-in limiting innovation and cost control
Underestimating long-term traffic growth
Fragmented architecture across services and regions
ONDO LLC (IN Mobile) - Mongolia
IPLOOK provides 4G network services (Data, VoLTE, SMS) for IN Mobile to cover the capital area in Mongolia.
Interconnects with ZTE Macro eNodeBs and Baicells small cells.
Supports 200,000 connections, 500,000 capacity, 50Gbps throughput.
Plans to adopt IPLOOK IMS and SBC.
Advantages:
Utilizes pooled MME, SGW, PGW, and primary/standby HSS and PCRF.
LTC Mobile - Liberia
IPLOOK offers EPC, IMS and billing function for LTC to launch 4G mobile services in 2021.
Offers high-quality and affordable 4G Data, VoLTE services and reliable customer experience to all Liberians.
Supports 100,000 connections, 1 million capacity, 80Gbps throughput.
Advantages:
Cost effective, customizable solution.
Acclinks - Kiribati
IPLOOK provides a carrier-grade EPC and IMS platform for Acclinks on Pacific Islands.
Offers pure 4G services, VoLTE, CSFB, SMS, 5G. Plans to complete on-site provision of services phase by phase.
Supports 100,000 connections, 500,000 capacity, 50Gbps throughput.
Ensures high-quality network services with long latency transmission environment.
Advantages:
Resource pools and 1+1 redundant backups.
Sabafon - Yemen
Yemen’s leading operator, with a converged EPC + IMS disaster-recovery solution.
Supports smooth evolution across 2G/3G/4G multi-RAT networks.
Unified HSS/HLR for intelligent management of 2G/3G/4G subscribers.
Millisecond-level lossless handover with seamless CS voice ↔ VoLTE interworking.
Seamless MSC/PCRF compatibility, reducing deployment costs by 40%.
Discuss Your MNO Network Strategy
Evaluate your current network architecture
Identify scalability and cost risks early
Define a realistic 4G to 5G evolution roadmap
Align technology decisions with long-term strategy
