3 ms·
With Mellanox ethernet switches, you lose some other features in exchange for lower latency. i.e. you can only break out 16 ports to 4x25G on a 100G switch (64
by virtuallynathan 8y ago
With Mellanox ethernet switches, you lose some other features in exchange for lower latency. i.e. you can only break out 16 ports to 4x25G on a 100G switch (64 25G ports).
- OldManAndTheCpp 8y agoAnd you also get some benefits: enough internal bandwidth to allow every input port to cut through at line rate, and a single buffer to prevent starvation (the tomahawk chip has 4 groups of ports, each with a separate buffer). Also, you can run cumulus on the switch, which is pretty awesome.