32 lines
777 B
Markdown
32 lines
777 B
Markdown
---
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title: "SD-WAN"
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type: concept
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tags:
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- networking
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- wan
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---
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## Aliases
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- SD-WAN
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- Software-Defined Wide Area Network
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- 软件定义广域网
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## Description
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软件定义广域网（SD-WAN）是一种通过软件控制层对物理网络进行抽象的技术，实现动态路径选择和负载均衡。在企业云架构中，SD-WAN 通常作为 Overlay Network（叠加网络）部署在 AWS 等公有云上，解决静态路由的局限性。
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## Use Cases
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- 多分支机构网络互联
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- 动态路径选择和流量调度
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- 替代传统 MPLS 专线
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- Silver Peak 等 SD-WAN 方案集成
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## Related Concepts
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- [[Hub-and-Spoke]]
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- [[Overlay Network]]
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- [[Transit Gateway]]
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## Related Entities
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- [[AWS]]
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## Sources
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- [[ctp-topic-18-wide-area-networking-in-aws-cloud]] |