Frequently Asked Questions

What is the purpose of the OPEN Alliance SIG?

The OPEN Alliance SIG was formed to enable wide scale adoption of Ethernet connectivity as the standard in automotive networking applications. OPEN is a non-profit industry alliance of mainly automotive industry and technology providers collaborating to provide the specifications and infrastructure needed for wide-scale adoption of Ethernet in the automotive industry.

What are the goals of the OPEN Alliance SIG?
  • Enable the deployment of the existing IEEE 100BASE-T1,1000BASE-T1 and 1000BASE-RH physical layer specifications with complementing specifications for conformance and interoperability.

  • Complete the eco-system further with requirement and test specifications for harnesses, switches, ECUs, and additional functionalities.

  • Encourage and support the development of new physical layer solutions in a standards setting organization.

  • Continuously identify and address gaps related to the implementation of Ethernet-based communication in automotive.


What topics or issues does the OPEN Alliance SIG address?

The OPEN Alliance is focused on addressing a variety of automotive Ethernet technical challenges, including the deployment of 100BASE-T1, 1000BASE-T1, 1000BASE-RH, ECU/network test methodologies and the deployment of xMII interfaces. The OPEN Alliance continues to identify and close gaps related to the implementation of Ethernet-based communication in automotive.

What types of companies should partner with the OPEN Alliance SIG? Membership in the OPEN Alliance SIG is optimized for businesses in the automotive market. Members should be willing and able to help drive and support new interoperability requirements, third party testing, certification procedures and new data rate specification requirements.

Where could I find information about membership in the OPEN Alliance?

Please see membership information on