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Εξετάστε τις επιλεγμένες μεθόδους δίπλα-δίπλα· οι γραμμές που διαφέρουν επισημαίνονται.
| Open Shortest Path First (OSPF)× | Εισαγωγή στο Δίκτυο Οριζόμενο από Λογισμικό (SDN)× | |
|---|---|---|
| Πεδίο | Τηλεπικοινωνίες | Τηλεπικοινωνίες |
| Οικογένεια | Process / pipeline | Process / pipeline |
| Έτος προέλευσης≠ | 1998 | 2008 |
| Δημιουργός≠ | John Moy | Nick McKeown et al. |
| Τύπος≠ | link-state routing protocol | programmable network paradigm |
| Θεμελιώδης πηγή≠ | 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 ↗ |
| Εναλλακτικές ονομασίες | link-state routing, intra-domain routing | network virtualization, programmable networks |
| Συναφείς≠ | 2 | 4 |
| Σύνοψη≠ | 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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