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Everything about Fat tree

Universal network for provably efficient communication

The fat tree network is a universal network for provably efficient communication. It was invented by Charles E. Leiserson of the MIT in 1985. k-ary n-trees, the type of fat-trees commonly used in most high-performance networks, were initially formalized in 1997. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Fat treeA 5-minute orientation
  2. Skim a recent paper: Fault-tolerant basis of generalized fat trees and perfect binary tree derived architecturesInfluential work since 2022
  3. Pick up a classic book: [Preservation of forests.]The most-reprinted book on the subject
  4. Read the landmark paper: On-Line Multicast Scheduling with Bounded Congestion in Fat-Tree Data Center NetworksCited 61 times
  5. Go sideways: Data center network architecturesA closely related topic
  6. Go sideways: ASCI RedA closely related topic

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