Secure RDMA for low-latency real-time applications

A method for communicating a data within a vehicle data network comprising:

• generating, by a first processor, a data in response to a first vehicle control algorithm;
• receiving, by a first network interface, the data from the first processor;
• generating, by the first network interface, a message authentication code in response to the data;
• generating, by the first network interface, a communications packet for transmission according to a remote direct memory access network protocol wherein the message authentication code is appended to the communications packet;
• transmitting the communications packet by the first network interface to a second network interface via a communications network;
• and
• decoding the message authentication code, by the second network interface, to extract the data;
• coupling, by the second network interface, the data to a memory;
• and
• storing the data by the memory wherein the memory is communicatively coupled to a second processor performing a second vehicle control algorithm.

A vehicle communications network comprising:

• a first processor configured to perform a first vehicle control algorithm and to generate a data in response to the first vehicle control algorithm;
• a first network interface to receive the data from the first processor, to generate an encrypted data in response to the data and a first key, to generate a remote direct memory access compliant data packet, to append the encrypted data to the remote direct memory access compliant data packet to generate a secure remote direct memory access compliant data packet and to transmit the secure remote direct memory access compliant data packet via a communications network;
• a second network interface configured to receive the secure remote direct memory access compliant data packet, to decode the encrypted data to extract the data and to couple the data to a memory;
• the memory configured to receive the data and to store the data in a designated memory location;
• a second processor configured to access the designated memory location to retrieve the data, to perform a second vehicle control algorithm in response to the data, and to generate a control signal in response to a result of the second vehicle control algorithm;
• a vehicle controller configured to control a vehicle in response to the control signal.