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| Multiprotocol Label Switching (MPLS)× | Differentiated Services (DiffServ)× | |
|---|---|---|
| Fachgebiet | Telekommunikation | Telekommunikation |
| Familie | Process / pipeline | Process / pipeline |
| Entstehungsjahr≠ | 2001 | 1998 |
| Urheber≠ | IETF MPLS Working Group | IETF DiffServ Working Group |
| Typ≠ | label-based forwarding paradigm | QoS architecture |
| Wegweisende Quelle≠ | 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 ↗ |
| Aliasnamen | label switching, traffic engineering | quality of service, QoS architecture |
| Verwandt≠ | 4 | 3 |
| Zusammenfassung≠ | 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. |
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