Node screening, automatic speed measurement and delay measurement at regular intervals

[largithub123]

1 Automatic speed measurement, automatic measurement of node status, and automatic arrangement from best to worst in turn,
2 If I have 2000 nodes, I want to know which ones have lost contact completely, those who can be contacted occasionally, those who can be connected frequently, add categories, and the last connection date for easy deletion
It can be connected occasionally, which is convenient for temporary urgent use, adding categories, adding categories that can be connected frequently, group management by itself, automatically moving nodes to corresponding groups, easy to use, software is only available, selection, only the optimal node can be set , can automatically switch between several better nodes