विधियों की तुलना करें
चुनी हुई विधियों की आमने-सामने समीक्षा करें; भिन्नता वाली पंक्तियाँ रेखांकित हैं।
| ओपन शॉर्टेस्ट पाथ फर्स्ट (OSPF)× | सॉफ़्टवेयर-डिफ़ाइंड नेटवर्किंग (एसडीएन)× | |
|---|---|---|
| क्षेत्र | दूरसंचार | दूरसंचार |
| परिवार | Process / pipeline | Process / pipeline |
| उद्भव वर्ष≠ | 1998 | 2008 |
| प्रवर्तक≠ | John Moy | Nick McKeown et al. |
| प्रकार≠ | link-state routing protocol | programmable network paradigm |
| मौलिक स्रोत≠ | Moy, J. T. (1998). OSPF Version 2. RFC 2328. 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 ↗ |
| उपनाम | link-state routing, intra-domain routing | network virtualization, programmable networks |
| संबंधित≠ | 2 | 4 |
| सारांश≠ | OSPF is a link-state interior gateway protocol (IGP) for routing within an autonomous system. Introduced by John Moy in 1998, OSPF converges faster than distance-vector protocols and supports equal-cost multipath (ECMP). It remains widely deployed in enterprise and ISP networks for intra-domain routing, though IS-IS is increasingly preferred in large backbones. | 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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