方法对比
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| 多协议标签交换 (MPLS)× | 软件定义网络 (SDN)× | |
|---|---|---|
| 领域 | 电信 | 电信 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 2001 | 2008 |
| 提出者≠ | IETF MPLS Working Group | Nick McKeown et al. |
| 类型≠ | label-based forwarding paradigm | programmable network paradigm |
| 开创性文献≠ | Rosen, E. C., Viswanathan, A., & Callon, R. (2001). Multiprotocol Label Switching Architecture. RFC 3031. link ↗ | McKeown, N., Anderson, T., Balakrishnan, H., et al. (2008). OpenFlow: enabling innovation in campus networks. ACM SIGCOMM Computer Communication Review, 38(2), 69-74. DOI ↗ |
| 别名 | label switching, traffic engineering | network virtualization, programmable networks |
| 相关 | 4 | 4 |
| 摘要≠ | Multiprotocol Label Switching (MPLS) is a forwarding paradigm that prepends a short label to packets, enabling routers to make forwarding decisions based on the label rather than IP destination address. Introduced by IETF (2001), MPLS was designed to enable traffic engineering, VPN creation, and fast rerouting in IP networks. While MPLS complexity is high, it remains foundational in service provider backbones for traffic engineering and Quality of Service (QoS) provisioning. | Software-Defined Networking (SDN) is a network architecture paradigm that decouples the control plane (routing decisions) from the data plane (packet forwarding). Introduced by McKeown et al. (2008) with OpenFlow, SDN enables network programmability by centralizing control logic in software-based controllers that direct forwarding behavior of simple programmable switches. SDN has transformed network operations, enabling rapid service deployment, traffic engineering, and cloud integration. It is now foundational in data centers and service provider networks. |
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