Monday, November 13, 2017

Real-time WiFi heat map

Real-time Wifi-Traffic Heatmap (source code GitHub: cod3monk/showfloor-heatmap) displays real-time WiFi traffic from SC17 (The International Conference for High Performance Computing, Networking, Storage and Analysis, November 12-17, 2017). Click on the link to see live data.

The Cisco Wireless access points in the conference network don't currently support sFlow, however, the access points are connected to Juniper EX switches which stream sFlow telemetry to an instance of sFlow-RT analytics software that provides real-time usage metrics for the heat map.

Wireless describes the additional visibility delivered by sFlow capable wireless access points, including: air time, channel, retransmissions, receive / transmit speeds, power, signal to noise ratio, etc. With sFlow enabled wireless access points, additional information could be layered on the heat map. The web site lists network products and vendors that support the sFlow standard.

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