NMEA Releases OneNet Ethernet Standard

The National Marine Electronics Association (NMEA) has released its latest protocol, the NMEA OneNet Standard, Version 1.000. This is an open industry standard based on Internet Protocol Version 6 (IPv6) and the IEEE 802.3 Ethernet Local Area Network. The standard brings together years of committee efforts and is designed for standardized IP networking of marine electronic devices on and off the vessel.

OneNet provides a common network infrastructure for marine electronic devices and/or services on IPv6. All OneNet application protocols, such as NMEA 2000® PGN messages, are designed to use a standard IPv6 network protocol stack. The NMEA OneNet Committee utilized many existing standards, including RFCs (Requests for Comments) published by the Internet Engineering Task Force (IETF). This will significantly reduce implementation cost and ensure compatibility with existing TCP/IP networks around the world.

The primary features and goals of OneNet are as follows:
• NMEA 2000 data transfer over IPv6 in a standard format
• High-bandwidth applications such as radar, video and more that are not possible via NMEA 2000
• Support Ethernet and TCP/IP at 1 gigabit and faster speeds
• Utilize standardized connectors (RJ-45 and X Coded M12) depending on installation
• Robust, industry-standard cybersecurity requirements
• NMEA 2000 gateway compatibility
• Mandatory device & application certification by the manufacturer, then verified by NMEA

The certification process for OneNet will be similar to the certification process for NMEA 2000; however a new certification tool will be used. The OneNet certification tool is planned for completion by the end of 2021. Until the certification tool is released, and manufacturer members can come forth to certify a OneNet device or OneNet application, NMEA will not charge manufacturer members for the standard itself. The NMEA member price of $2,000 USD for the OneNet Standard will be deferred until the end of 2021 (or after) when the tool is ready for release. All manufacturer members who request the standard will need to sign a legal purchase agreement, stating they will pay the associated fees for the OneNet standard at the time of device or application certification. This approach does not exclude non-NMEA member companies from getting a copy of the OneNet Standard. These companies would need to join NMEA as a manufacturer member and sign the legal purchase agreement, and the standard will be issued to them.

“We hope this initiative helps get the standard into NMEA manufacturer members’ hands without any budgetary constraints, as who knows what 2021 will bring our industry,” said Mark Reedenauer, NMEA President & Executive Director. The standard is now available in electronic PDF format to NMEA manufacturer members. Please email ([email protected]) or call (410-975-9425) the NMEA National Office to either join NMEA as a new manufacturer member, and/or to obtain your copy of OneNet Version 1.000.

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6 Responses

  1. Ben Ellison Ben Ellison says:

    Years in the making!


    But seriously, have you ever tried to create a complex marine standard with other industry volunteers from around the world? Me neither, and I’m happy to see that NMEA is offering free OneNet documentation to all Manufacturer level members.

    I also look forward to OneNet products, and suspect that some of the first may be nav apps that can have complete NMEA 2000 interfaces over an Ethernet cable or WiFi. And there really is a NMEA group working on a common OneNet radar interface, though I think that it will only be used by specialized brands, at least at first.

  2. Ingmar says:

    Another closed standard falsely claiming to be open, despite needing to pay for membership and/or pay several thousand $ for the standards documents.

  3. David says:

    So, something like OneNet radar commerically available or even partial DIY not available yet…? Correct…?

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