Research Article
Analyzing the Evolution and the Future of the Internet Topology Focusing on Flow Hierarchy
Table 5
Number of modules in each CL.
| Year | CL1 | CL2 | CL3 | CL4 | CL5 | CL6 |
| 2000 | 26 | 255 | 812 | 529 | 71 | 0 | 2002 | 37 | 384 | 1215 | 881 | 131 | 6 | 2004 | 43 | 462 | 1526 | 1173 | 208 | 6 | 2006 | 40 | 479 | 1883 | 1562 | 299 | 4 | 2008 | 40 | 508 | 2437 | 2088 | 389 | 6 | 2010 | 42 | 490 | 2795 | 2641 | 438 | 2 | 2012 | 51 | 578 | 3153 | 3181 | 638 | 12 |
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