Patent ID: 8139493
Filing Date: 2012-03-20
Classification: H04L,H04W

Abstract:
1. An on-vehicle gateway device to be connected to an information system network and a control system network of a vehicle, comprising: an information system access circuit taking charge of message transmission and reception to and from the information system network, a control system access circuit taking charge of message transmission and reception to and from the control system network, an access control circuit controlling data flows between the information system access circuit and the control system access circuit, a policy management circuit managing policies for access control by the access control circuit, an information system monitoring circuit monitoring the status of an information system via the information system access circuit, an information system configuration management circuit managing information acquired by the information system monitoring circuit, a control system monitoring circuit monitoring the status of the control system via the control system access circuit, a control system configuration management circuit managing information acquired by the control system monitoring circuit, and a policy update circuit determining whether or not to update the policies managed by the policy management circuit and updating the policies.