Butterfly Top

ology Butterfly topology is a type of network topology commonly used in high-performance computing (HPC) systems. It is designed to provide a highly scalable and fault-tolerant communication infrastructure for large-scale parallel computing. The butterfly topology is based on the concept of a butterfly graph, which is a directed graph with n nodes arranged in two rows, where each node in the top row is connected to the corresponding node in the bottom row, as well as to the nodes in the same column in the row below. This results in a highly interconnected and hierarchical structure. In a butterfly network, each node is connected to a router, which is responsible for routing data between nodes. The routers are arranged in a hierarchical manner, with multiple levels of routers connected to each other. This allows for efficient communication between nodes, as data can be routed through multiple paths in case of congestion or failure. One of the main advantages of the butterfly topology is its fault tolerance.

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