Abstract
The High-availability Seamless Redundancy (HSR) protocol guarantees zero recovery time in case of failure in ethernet networks. However, the management of HSR networks is static and inflexible. This, added to the bandwidth reduction due to data duplication, makes it difficult to efficiently control the network resources. An integration of HSR and OpenFlow technologies is proposed to provide redundancy control and traffic prioritization. As a result, a node can distinguish between critical and noncritical flows, protecting them according to their needs. The effectiveness of the priority-aware network is assessed in terms of throughput efficiency.
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