Comparar métodos
Examine os métodos selecionados lado a lado; as linhas que diferem ficam destacadas.
| Multiprotocol Label Switching (MPLS)× | Border Gateway Protocol (BGP)× | Differentiated Services (DiffServ)× | |
|---|---|---|---|
| Área | Telecomunicações | Telecomunicações | Telecomunicações |
| Família | Process / pipeline | Process / pipeline | Process / pipeline |
| Ano de origem≠ | 2001 | 1989 | 1998 |
| Autor original≠ | IETF MPLS Working Group | IETF Routing Protocols Working Group | IETF DiffServ Working Group |
| Tipo≠ | label-based forwarding paradigm | path-vector routing protocol | QoS architecture |
| Fonte seminal≠ | Rosen, E. C., Viswanathan, A., & Callon, R. (2001). Multiprotocol Label Switching Architecture. RFC 3031. link ↗ | Rekhter, Y., Li, T., & Hares, S. (2006). A Border Gateway Protocol 4 (BGP-4). RFC 4271. link ↗ | Blake, S., Black, D., Carlson, M., et al. (1998). An Architecture for Differentiated Services. RFC 2475. link ↗ |
| Outros nomes | label switching, traffic engineering | exterior gateway protocol, inter-domain routing | quality of service, QoS architecture |
| Relacionados≠ | 4 | 2 | 3 |
| Resumo≠ | 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. | BGP is the de facto standard routing protocol for interconnecting autonomous systems (ASs) on the Internet. Since its introduction in 1989, BGP has scaled the Internet to millions of routers and trillions of destinations. BGP is path-vector-based, using a flexible policy system to control route propagation and selection. While BGP convergence can be slow and policies complex, it remains the only viable protocol for Internet-scale inter-domain routing. | 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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