Leaf and Spine architecture and why fabric mode is used in between these two?

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Leaf and Spine architecture is used in data center networks for scalability and redundancy. Fabric mode is used for efficient communication between them.

Leaf and Spine architecture is a two-tier network design where leaf switches connect to spine switches.
Leaf switches are connected to servers and storage devices while spine switches connect to other switches.
This architecture provides high bandwidth, low latency, and redundancy.
Fabric mode is used to create a single logical switch across multiple physical switches for efficient communication.
It allows for load balancing and redundancy across the fabric.
Examples of fabric mode include Cisco's FabricPath and Juniper's Virtual Chassis Fabric.

Leaf and Spine architecture and why fabric mode is used in between these two?

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