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Three-Tier Network Architecture

Data Center Network Architecture | Three-Tier

Popular in siloed data center applications but with latency and energy drawbacks.

In a traditional three-tier architecture as defined in ANSI/TIA-942-A-1, servers are connected to core, aggregation and access switches. Three-tier architecture comes with several disadvantages, including higher latency and higher energy requirements.

 

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MTP 12- or 24-fiber cabling is often implemented between core and aggregation switches, converting to LC cabling at the access switch before SFP+ or RJ-45 patching is connected to the server. The connectivity shown below is typical for a 10 GbE application in a three-tier architecture.

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Three tier design architectures benefit from versatile patching systems that can speed deployment and MACs, and minimize wear on your electronics. Leviton HDX, e2XHD and SDX platforms fit in a variety of applications and provide you with density options depending on your requirement.

Leviton Opt-X Unity trunks use best-in-class MTP connectors, and our Premium Series LC Patch Cords feature advanced polishing and assembly techniques, with insertion loss and return loss tested to industry-leading standards.

Resources

Speed Deployments

Learn how cassette based patching and pre‑terminated trunks save time and labor.

Recommended Products

e2XHD Fiber Cassettes
e2XHD Universal Fiber and Copper Panels
Premium Patch Cords