IEEE/ICACT20230033 Slide.11        [Big Slide]       [YouTube] Oral Presentation
The Fat-Tree structure is a typical improvement of tree structure. In fat tree structure, the network topology is still divided into three levels, namely core level, junction level and access level. However, different from the tree structure, the fat tree structure stipulates that an intermediate node can have multiple parent nodes, thus increasing the number of links between the upper and lower switches and between the aggregation level switch and the core switch.

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