Research Article

Heuristics for Synthesizing Robust Networks with a Diameter Constraint

Table 1

Comparison of the deviation of the solutions found by the heuristics for networks with 8 nodes. is the optimal algebraic connectivity.

No. Optimal solution -opt search ( = 2, 3) Tabu search
Time (sec) Deviation (%) Deviation (%)

1 3.9712 180.57 3.9712 0.00 3.9712 0.00
2 4.3101 408.10 4.3101 0.00 4.3101 0.00
3 3.9297 621.85 3.9297 0.00 3.9297 0.00
4 3.5275 216.79 3.5275 0.00 3.5275 0.00
5 3.8753 470.63 3.8753 0.00 3.8753 0.00
6 3.7972 342.14 3.7972 0.00 3.7972 0.00
7 3.7125 377.47 3.7125 0.00 3.7125 0.00
8 3.9205 313.12 3.9205 0.00 3.9205 0.00
9 3.7940 341.84 3.7940 0.00 3.7940 0.00
10 3.8923 316.86 3.8923 0.00 3.8923 0.00

Average 0.00 0.00