# V. Data Center Network Solution
## Scenario Overview
Targeting enterprise data centers, private clouds, and edge computing scenarios, this solution provides a high-density, high-throughput, and low-latency Spine-Leaf network architecture that supports virtualization, containerization, and AI computing.

## Requirement Analysis
- Server Scale 50-500 physical servers
- Bandwidth Requirements 25G100G to servers, 100G400G Spine backbone
- Key Requirements Non-blocking design, large-scale Layer 2 expansion (VxLAN), automated operation and maintenance, east-west traffic optimization
- Scalability Supports linear scalability to thousands of servers
- Reliability Full redundancy design, supporting zero packet loss network

## Network Architecture Design
Spine-Leaf Architecture
- 4-8 Spine Switches Each requires 24-port 200G400G QSFP-DD
- 8-32 Leaf Switches Each requires 48-port 25G100G + 8-16-port 100G400G uplinks
- 2 Border Leaf Switches Connect to external networks and security devices
- SDN Controller Centralized control plane

## Topology Diagram

## Recommended Device Specifications

  ## Solution Advantages
- Non-blocking Architecture Equal latency between any two points, meeting AIHPCC computing needs
- Large-scale Expansion Linear scalability of server scale by adding SpineLeaf switches
- Automated Operation and Maintenance Intent-Based Networking (IBN) enables minute-level service deployment
- Multi-tenant Isolation Secure multi-tenant network implementation through VxLAN
- Open Ecosystem Supports integration with mainstream cloud platforms and virtualization systems