| CPC B60R 16/0231 (2013.01) [H04L 67/12 (2013.01); H04L 67/51 (2022.05)] | 12 Claims |
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1. A relay device used in an in-vehicle network including a plurality of function units, the relay device comprising:
a relay unit to perform a relay process for a frame transmitted and received between the function units; and
a relay management unit, wherein
the relay unit
receives, from a function unit, a target frame which is transmitted and received according to a predetermined communication protocol and includes information with which a request source of a service is identifiable and information with which a content of the requested service is identifiable,
duplicates target data which is at least a part of the received target frame,
outputs the duplicated target data to the relay management unit, and
relays the received target frame to another function unit without modifying the received target frame, and
the relay management unit performs determination regarding setting change in the relay process of the relay unit, on the basis of the target data received from the relay unit, and
the setting change in the relay process includes at least one of:
a) changing a communication band when relaying the frame from a first communication port that received the target frame to a second communication port that sent the target frame, or
b) stopping reception of the frame at the first communication port.
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