Conversation so far:
What are scalable data center network architectures?
DCNs need to be scalable and efficient to connect tens or even hundreds of thousands of servers to handle the growing demands of Cloud computing.
What are some examples of scalable data center network architectures?
1 Three-tier DCN 2 Fat tree DCN 3 DCell

Question: Describe the characteristics of FAT tree topology.
Self-contained rewrite: Describe the characteristics of FAT tree topology.