Comparison of IEEE802.1Q and IEEE802.1AVB in multi switch environment in embedded system

Currently, Advanced Driver Assistance Systems (ADAS) require high bandwidth network. Ethernet supports 100Mbit / s bandwidth, which is worth using in future automotive networks. However, unlike CAN, which is widely used in automotive networks, Ethernet does not support the priority of the frame, so it can not guarantee Quality of Service (QoS). IEEE802.1Q (802.1Q) and IEEE802.1AVB (AVB) of the IEEE802 Ethernet standard have a priority mechanism, but there is a difference. The existing papers analyze QoS of 802.1Q and AVB in simulation environment. In this paper, we compare the QoS of 802.1Q and AVB in a network environment implemented with embedded system and multiple switches. So AVB and 802.1Q analyze the QoS according to the priority mechanism.

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