Since recently  I have a Supermicro Node Server at our hands which we are planning to use for a hot-standby system. A vital point for replication and hot-standby is a reliable and fast network connection between the nodes. The Supermicro nodes implement an Infiniband Mellanox network adapter, which claims to provide transfer rates of up to 40GBits / second. This networking standard seems to have the following advantages:

It’s reasonably priced, adapters and cables are available at affordable
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