A whole network traffic monitoring method
A network traffic and network monitoring technology, applied in the field of information security, can solve the problems of lack of application, not well applicable to the whole network big data monitoring, and increase the flow coverage
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Embodiment 2
[0115] The difference between this embodiment and Embodiment 1 is that the above sampling list can also be calculated using the directed graph method to solve the edge E of the OD flow to the router 3 , the solution method is as follows: It is known to transform the entire network into a directed graph G, where V represents a node, and E represents an edge connecting each node;
[0116] V={source,sink}∪{OD i} 1≤i≤m ∪{R j} 1≤j≤n , where source represents the source point and sink represents the sink point;
[0117] E=E 1 ∪E 2 ∪E 3 , where E 1 Indicates the edge from the source point to the OD flow, E 2 represents the edge from the router to the sink, E 3 Indicates the edge of the OD flow to the router;
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[0119] Let f(x, y) represent the flow at the boundary (x, y)∈E, 1≤f≤m, and the constraints used for solving are:
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[0123]
[0124] Among them, T f Represents the number of OD flow f, R j Represents the resource con...
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