DOCSIS 3.1 Plus

DOCSIS® technology continues to evolve at a rapid pace. Cable operators have continued deploying DOCSIS technology and providing high-speed internet services to hundreds of millions of customers around the world. The year 2025 was exciting for cable networks, both in terms of deployments of new technology and continued innovation in the development of technology for the next quarter […]

Broadband is entering a new phase defined by how networks perform at scale, support seamless experiences, and adapt as both demand and threats evolve. Over the past year, CableLabs has focused on technologies highlighted in its Technology Vision, a roadmap to prepare the industry for this next era of broadband innovation. In 2025, CableLabs made […]

The latest DOCSIS® 4.0 interop event wasn’t just another gathering of broadband innovators — it was another significant step forward for the industry. With more than 50 attendees from around the globe, the energy in the room was palpable. This event wasn’t just about checking boxes for protocol compliance; it was about pushing the limits of broadband […]

CableLabs is pleased to announce the certification of the industry’s first DOCSIS 3.1 Plus (DOCSIS 3.1+) device supporting four orthogonal frequency-division multiplexing (OFDM) channels. The certified device, developed by Vantiva, represents a key milestone in advancing broadband performance and capacity for cable operators worldwide. The DOCSIS 3.1 specifications require support for at least two OFDM […]

A fundamental enabler in connecting people around the globe, DOCSIS technology has empowered millions to live, work, learn and play. Since the days of the first DOCSIS 1.0 cable modems (CMs) almost 30 years ago, DOCSIS technology has continued to evolve, benefitting from a robust ecosystem of operators and vendors working together with CableLabs to […]