Abstract: Aiming at the complexity of Internet macroscopic topology structure, we studied the visualization of Internet topology structure at AS level. We designed the algorithms on visualization of Internet topology using several popular strategies of distribution notes. The results showed that these strategies could not exhibit the structural features of Internet topology, and did not apply to the visualization of Internet. So we designed a new algorithm, which is the strategy of center-level distribution nodes. The results showed that the strategy well illustrated the power-low feature and hierarchical feature of Internet topology. It provides a powerful means for directly observing on Internet microscopic topology structure.

Key words: Complex network, Internet topology, Visualization, Degree, Core