In normal network with Cisco 3650 (1Gbps) and Linux base servers, the ping time is between 0.150ms to 0.250ms. (I also mean using ping or ICMP is to refer to all protocols) I want to know is there any Cisco or Linux Configuration to lower up ping time? for example 0.05ms to 0.7ms. (someone wrote a new INTEL NIC Driver and reach better network performance)
closed as too broad by user36472, Ron Maupin♦ Jul 18 '18 at 13:37
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You need to investigate low latency switches. Nexus 3000 is designed for financial applications where low latency is essential.
Increasing bandwidth can also reduce latency, so look for 10Gbps or higher end-to-end (including PC connectivity).
Also investigate a QOS feature called low latency queuing. The feature is designed for voice and video. Anything classed as priority will be forwarded ahead of other traffic, so important not to put too much traffic in the priority queue. Low latency queuing only really works if you have other types of traffic on the network to push the priority traffic ahead of.