EtheReal: A Host-Transparent Real-Time Fast Ethernet Switch
ICNP '98 Proceedings of the Sixth International Conference on Network Protocols
Tight end-to-end per-flow delay bounds in FIFO multiplexing sink-tree networks
Performance Evaluation
valuetools '06 Proceedings of the 1st international conference on Performance evaluation methodolgies and tools
Hard Real-Time Communication over Multi-hop Switched Ethernet
NAS '08 Proceedings of the 2008 International Conference on Networking, Architecture, and Storage
Network Calculus for the Validation of Automotive Ethernet In-vehicle Network Configurations
CYBERC '11 Proceedings of the 2011 International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery
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Switched Ethernet is increasingly used in real-time communication due to its intrinsic features such as micro segmentation and high throughput. However, COTS switches may impose long blocking times due to their FIFO queues and can also experience buffer overflow in outgoing queues due to uncontrolled packets arrival. The FTT-SE protocol uses a Master-Slave technique to overcome the COTS switch limitations in real-time applications. Recently, we extended the protocol for large scale networks and in this paper we present the worst-case delay analysis using the Network Calculus formalism for such a network. Moreover, we assess the end-to-end delay of traffic with simulation concluding that the obtained analytical results present a good match with the observed delays, providing uppers bounds that vary between 0% and 50% above the maximum measured values.