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| Multiprotocol Label Switching (MPLS)× | Diferencirane usluge (DiffServ)× | Otvoreni najkraći put (OSPF)× | |
|---|---|---|---|
| Područje | Telekomunikacije | Telekomunikacije | Telekomunikacije |
| Obitelj | Process / pipeline | Process / pipeline | Process / pipeline |
| Godina nastanka≠ | 2001 | 1998 | 1998 |
| Tvorac≠ | IETF MPLS Working Group | IETF DiffServ Working Group | John Moy |
| Vrsta≠ | label-based forwarding paradigm | QoS architecture | link-state routing protocol |
| Temeljni izvor≠ | Rosen, E. C., Viswanathan, A., & Callon, R. (2001). Multiprotocol Label Switching Architecture. RFC 3031. link ↗ | Blake, S., Black, D., Carlson, M., et al. (1998). An Architecture for Differentiated Services. RFC 2475. link ↗ | Moy, J. T. (1998). OSPF Version 2. RFC 2328. link ↗ |
| Drugi nazivi | label switching, traffic engineering | quality of service, QoS architecture | link-state routing, intra-domain routing |
| Srodne≠ | 4 | 3 | 2 |
| Sažetak≠ | 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. | DiffServ is a QoS architecture providing scalable, class-based service differentiation in networks. Introduced by IETF (1998), DiffServ marks packets with a Differentiated Services Code Point (DSCP) in the IP header, enabling routers to apply per-hop-behaviors (PHBs) based on markings. Unlike IntServ (which reserves resources per-flow), DiffServ is stateless and scalable to Internet scale. DiffServ remains the primary QoS mechanism in ISP and enterprise networks. | 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. |
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