software-defined-networking
Software-defined networking concepts
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- Repository
- ffsshhttiikk/opencode-agents-skills
- Last source activity
- February 28, 2026 at 22:54
- Detected SKILL.md language
- English
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- 3
- Forks
- 2
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SKILL.md
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- software-defined-networking
- description
- Software-defined networking concepts
- license
- MIT
- compatibility
- opencode
- metadata
- {"audience":"network-engineers","category":"networking"}
## What I do
- Implement SDN principles and architectures
- Deploy network programmability
- Configure SDN controllers
- Design overlay networks
- Implement network virtualization
- Manage network policies through software
## When to use me
Use me when:
- Modernizing network infrastructure
- Implementing network automation
- Building private cloud networks
- Creating multi-tenant environments
- Requiring dynamic network configuration
## Key Concepts
### SDN Benefits
- **Centralized Control**: Single view of network
- **Programmability**: API-driven configuration
- **Agility**: Rapid service deployment
- **Cost**: Reduced hardware dependency
- **Automation**: Reduced manual tasks
### Overlay vs Underlay
- **Underlay**: Physical network (switches, routers)
- **Overlay**: Virtual network on top (VXLAN, NVGRE)
```
Physical Network (Underlay)
│
│ +──────────────────────┐
│ │ VXLAN Tunnel │
│ │ (Overlay Network) │
│ │ Tenant A │ Tenant B│
│ └──────────────────────┘
▼
VM A ──────────────── VM B
```
### Network Virtualization
- VXLAN: MAC in UDP encapsulation
- NVGRE: GRE encapsulation
- Geneve: Flexible encapsulation
- STT: Stateless tunnel transport
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