Ethernet will be fast and big in cars

A new report from Strategy Analytics on automotive electronics trends looks at in car networks and predicts that Ethernet will see both the fastest growth and the largest volume by 2020.

According to the analyst, the technology to watch is the BroadR-Reach physical layer, from Broadcom, now licensed to other semiconductor vendors, such as NXP. 

This allows Ethernet at 100Mbit/s to be transmitted over low-cost, unshielded twisted pair cables.

“Ethernet has gained significant momentum because it meets the requirement for higher-bandwidth bus networks which many feel cannot be met by existing protocols, such as CAN,” stated Ian Riches, Director, Global Automotive Practice.

The other main protocols are: FlexRay and MOST. 

“FlexRay will continue to find its niche and see volumes grow, but MOST node volumes are likely to start to tail off as we head toward 2020,” added Mark Fitzgerald, Associate Director in the Strategy Analytics Global Automotive Practice.

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