SDN matrix network probe deployment method and device based on greedy algorithm
A technology of matrix network and greedy algorithm, applied in the field of probe-based network traffic detection
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[0039] Example
[0040] Suppose there are 9 computers connected in such as figure 1 In the matrix network shown, by deploying probes to collect the traffic of 9 computers, the probe deployment method is as follows:
[0041] 1. Convert the network matrix to an undirected graph, such as figure 2 Shown.
[0042] 2. Calculate the degree of each point, where the degree of points 1, 2, 3, 4, 8, 9, 13, 14, 18, 19, 20, 21 is 1, and the degree of the remaining 9 points is 4.
[0043] 3. Traverse the graph and mark the points 5, 7, 15, and 17 that are connected with two points of degree 1 as non-cut points. 4. Delete the point with degree 1 and its edges with other points, delete the uncut point and the edges with other points, such as image 3 Shown.
[0044] 5. image 3 In addition to the uncut points, there are 5 points 6, 10, 11, 12, and 16.
[0045] 6. Traverse the graph and mark point 11 (connected with 4 points of degree 1) as a non-cut point.
[0046] 7. Delete the point with degree 1 and...
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