# flat network topology

Published articles for flat network topology.

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## How flat is replacing fat in AWS data center networks

DevFeed: [How flat is replacing fat in AWS data center networks](<https://devfeed.tech/articles/how-flat-is-replacing-fat-in-aws-data-center-networks-7602.md>)

Original publisher: [Read original article](<https://www.amazon.science/blog/how-flat-is-replacing-fat-in-aws-data-center-networks>)

Author: Giacomo Bernardi; Ratul Mahajan; Seshadhri Comandur

Published: 2026-05-28T10:30:00Z

Content type: article

Language: en

Sources: [Amazon Science homepage](<https://devfeed.tech/sources/amazon-science-homepage.md>)

Topics: [networking](<https://devfeed.tech/topics/networking.md>), [Network architectures](<https://devfeed.tech/topics/network-architectures.md>)

Tags: [aws](<https://devfeed.tech/tags/aws.md>), [aws-data-center-network-architecture](<https://devfeed.tech/tags/aws-data-center-network-architecture.md>), [cloud-and-systems](<https://devfeed.tech/tags/cloud-and-systems.md>), [data-center](<https://devfeed.tech/tags/data-center.md>), [fat-tree-network-replacement](<https://devfeed.tech/tags/fat-tree-network-replacement.md>), [flat-network-topology](<https://devfeed.tech/tags/flat-network-topology.md>), [network-design](<https://devfeed.tech/tags/network-design.md>), [networking](<https://devfeed.tech/tags/networking.md>), [networks](<https://devfeed.tech/tags/networks.md>), [quasi-random-network-topology](<https://devfeed.tech/tags/quasi-random-network-topology.md>), [resilience](<https://devfeed.tech/tags/resilience.md>), [routing](<https://devfeed.tech/tags/routing.md>)

### AI overview

The article describes AWS's scalable flat data-center network, using quasi-random topology and ShuffleBoxes to replace conventional fat-tree designs.

### Source excerpt

"Quasi-random" network topologies and new passive optical components called ShuffleBoxes make more-efficient flat networks as practical as traditional "fat-tree" networks.