en.Wedoany.com Reported - Silicon Labs recently announced the successful deployment and operation of a 200-node Matter-over-Thread validation network. This network tested the scalability, reliability, and performance of Matter technology in large smart buildings, multi-dwelling units, and next-generation smart home applications within a real office environment.
This achievement was announced at the Connectivity Standards Alliance (CSA) inaugural Unify event and is considered one of the largest publicly documented Matter-over-Thread performance test networks to date, indicating that the Matter ecosystem is transitioning from interoperability validation to scalability validation for real-world deployments. The 200-node Matter-over-Thread validation network operates within the Silicon Labs Boston Connectivity Lab and office environment, with devices distributed throughout the facility, facing real-world wireless conditions such as active Wi-Fi, Bluetooth, and Thread traffic. It evaluated multicast messaging, unicast communication, commissioning processes, and long-term network stability.
Test results show that the network was successfully deployed and continuously operated in a real office environment, achieving a 100% commissioning success rate using in-network commissioning. The network achieved reliable multicast and multi-hop unicast communication, with an average multicast latency as low as 87 milliseconds and a packet loss rate below 1% for most payload sizes. Under active wireless interference, the network operated stably without requiring specialized topology engineering, validating that Matter-over-Thread can support commercial-scale lighting, building automation, and large-scale IoT deployments.
The network is built on the OpenThread Border Router (OTBR) implementation, providing Thread network infrastructure for management and commissioning. Silicon Labs also applied Concurrent Multiprotocol (CMP) technology, enabling devices to simultaneously support Zigbee and Matter-over-Thread on a single radio, helping manufacturers simplify migration and future-proof their products while maintaining compatibility with existing deployments.
Daniel Cooley, Chief Technology Officer of Silicon Labs, stated that this work demonstrates that Matter-over-Thread can theoretically scale to thousands of devices and showcases how Silicon Labs innovates in Matter, Thread, and Concurrent Multiprotocol technologies to help customers deploy and manage large networks. The complete Matter large network performance report is available at: https://www.silabs.com/wireless/matter/matter-over-thread-large-network-performance-testing.
Silicon Labs (NASDAQ: SLAB) is an innovator in low-power connectivity, providing wireless SoCs, software, development tools, certification resources, and ecosystem support, covering the smart home, industrial IoT, and smart city markets. The company is headquartered in Austin, Texas, with operations in over 16 countries.
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