(c)iStock.com/adventtr
South Korea’s mobile operator LG U+ has selected Juniper Networks to implement the country’s first routing deployment based on Network Functions Virtualisation (NFV). According to Juniper’s announcement, this marks the first public NFV-based routing project in Korea and demonstrates LG U+’s commitment to a virtualised, scalable 5G infrastructure.
LG U+ sought a partner with proven experience to guide the rollout and ensure smooth integration with its existing systems and third-party equipment. Juniper collaborated closely with LG U+ from the project’s outset to evaluate potential challenges, design resilient architecture, and validate interoperability with legacy infrastructure and external devices.
Juniper’s virtual routing solution addresses LG U+’s core resiliency requirements through two principal capabilities: Auto Recovery and Auto Healing. Auto Recovery detects network failures and immediately spins up a new virtual router to maintain uninterrupted service. Auto Healing protects the platform by monitoring CPU and memory usage and taking corrective action when operator-defined thresholds are exceeded, preventing system overload and preserving service stability.
In addition to resilience features, Juniper’s platform emphasizes openness and flexibility. It supports third-party operating systems, hypervisors, and orchestration tools, enabling modular customization to meet diverse deployment needs. For LG U+, Juniper has enabled IPv6 routing and introduced protections against hacking and distributed denial-of-service (DDoS) attacks within the NFV environment, with provision to add further security and service enhancements over time.
Jae-ho Choi, general manager of the transport platform development team at LG U+, commented on the milestone: “We are very excited about Korea’s first commercial launch of a carrier-grade NFV-based router. I believe this will enable us to not only drastically improve our routing performance, but provide greater stability and a more diverse range of services for our customers. As a leader of the 5G era, LG U+ plans to expand the adoption of NFV equipment in close, continued cooperation alongside Juniper Networks.”
This deployment signals a shift toward virtualised routing in carrier networks, where simplified operations, faster service delivery, and improved resource efficiency are key benefits. By combining automated recovery and healing mechanisms with an open, interoperable architecture, LG U+ aims to strengthen network reliability while enabling rapid service innovation as 5G adoption grows.
The project also highlights broader industry trends: operators increasingly prefer NFV and software-driven network functions to replace or augment traditional physical appliances, seeking operational agility and cost efficiency. Deployments like LG U+’s can serve as reference models for other carriers exploring NFV for mission-critical routing and security functions.
As LG U+ continues to expand its NFV footprint, future enhancements may include additional security modules, advanced traffic analytics, and deeper orchestration integration to further streamline lifecycle management of virtual network functions and deliver enhanced experiences to mobile subscribers.