Press Release
April 20, 2023

IETF Releases Standard to Optimize Cellular IoT with SCHC over NB-IoT (RFC 9391)

IETF Releases Standard to Optimize Cellular IoT with SCHC over NB-IoT (RFC 9391)

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Acklio, a global leader in interoperability and protocol optimization for LPWAN, has announced the release of RFC 9391 by the Internet Engineering Task Force (IETF), which extends the use of SCHC (Static Context Header Compression) over the 3GPP specifications, including the radio access, core network, and end-to-end connection using the SCEF gateway.

SCHC, which was originally designed to optimize IPv6 operations over LPWAN, has been shown to effectively reduce packet header sizes and facilitate data fragmentation, while preserving essential routing and transmission information. SCHC compression reduces data traffic for IoT use cases, resulting in savings on data bills, improved energy efficiency for the device and infrastructure, increased network capacity, and improved connectivity for devices in suboptimal network conditions.

The new RFC 9391 complements the series of standards specifying SCHC's optimized operation depending on the application stack and the underlying network solutions. 

As a global reference implementation for SCHC compression and fragmentation technology, Acklio has already demonstrated significant optimization gains, cutting data traffic by 40-90%, extending battery life by 30-70%, and enabling up to 7 times more devices per cell. Acklio also demonstrated the use of IPv6 and DTLS over NB-IoT NIDD (Non-IP Data Delivery), potentially the most energy-efficient operating mode of NB-IoT, enabling an interoperable and secure stack with unparalleled efficiency in the cellular world. The company's software suite is deployed across five continents, supporting LoRaWAN, NB-IoT, RF-MESH, and satellite technologies at scale.

Developers are invited to test the real-world gains they can achieve today, using Acklio's free developer program. It offers access to the complete software suite and application examples to learn, test, prototype, and showcase energy-efficient and secure IoT solutions with SCHC.

"RFC 9391 represents a significant milestone in the deployment of SCHC technology, enabling the industry to leverage SCHC's efficiency, interoperability, and security benefits over cellular networks. We are excited to offer developers worldwide access to our SCHC software suite and contribute to the development of new IoT solutions that are energy-efficient and secure, thanks to our patented technology." - Alexander Pelov, CEO of Acklio.

Co-authored by Ana Minaburo (Acklio) and Edgar Ramos (Ericsson), RFC 9391 describes the operation of SCHC for Narrowband IoT, optimizing IoT services capabilities.

For more information: