Plug-and-play functionality allows MOST devices to be easily attached and removed. They process the MOST protocol between a MOST network interface controller (NIC) and the API.Ī MOST network is able to manage up to 64 MOST devices in a ring configuration. MOST Network Services include Basic Layer System Services (layers 3, 4, 5) and Application Socket Services (layer 6). The communication functionality is provided by driver software known as MOST Network Services. It provides the user with a standardized application programming interface (API) to access device functionality. For the system developer, MOST is primarily a protocol definition. The MOST specification defines the physical and the data link layer as well as all seven layers of the OSI model for data communication. MOST is a registered trademark of Standard Microsystems Corporation (SMSC), now owned by Microchip Technology. MOST technology is used in car brands worldwide, including Audi, BMW, General Motors, Honda, Hyundai, Jaguar, Lancia, Land Rover, Mercedes-Benz, Porsche, Toyota, Volkswagen, SAAB, SKODA, SEAT and Volvo. The serial MOST bus uses a daisy-chain topology or ring topology and synchronous serial communication to transport audio, video, voice and data signals via plastic optical fiber (POF) (MOST25, MOST150) or electrical conductor (MOST50, MOST150) physical layers.

It can be used for applications inside or outside the car. MOST ( Media Oriented Systems Transport) is a high-speed multimedia network technology for the automotive industry.

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