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Kijush Maharjan

Kijush Maharjan is a passionate network engineer with a strong background in designing and optimizing large-scale networks. As a Principal Network Engineer at WorldLink Communications, he plays a key role in building and maintaining robust network infrastructures. Beyond his professional work, Kijush is deeply involved in the Nepal Network Operators' Group (npNOG), where he actively contributes to training and knowledge-sharing initiatives for Nepal’s networking community. With multiple Juniper certifications, including JNCIP-SP, JNCIS-SP, and JNCIA-Cloud, he specialises in routing and BNG platform. His dedication to continuous learning and community engagement has made him a respected figure in Nepal’s internet and networking ecosystem.


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Seven years of IPv6 in production: Lessons from one million broadband subscribers

By on 12 Oct 2026

Guest Post: IPv6 deployment is often described as a protocol upgrade. In reality, operating IPv6 at broadband scale is a test of subscriber management, DHCP, CPE interoperability, observability, and operational processes. Over seven years, WorldLink Communications grew to more than one million dual-stack subscribers, with around 70% of traffic now carried over IPv6. Here are the lessons that mattered most.


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