Comparar métodos
Examine os métodos selecionados lado a lado; as linhas que diferem ficam destacadas.
| Border Gateway Protocol (BGP)× | Virtualização de Funções de Rede (NFV)× | Open Shortest Path First (OSPF)× | |
|---|---|---|---|
| Área | Telecomunicações | Telecomunicações | Telecomunicações |
| Família | Process / pipeline | Process / pipeline | Process / pipeline |
| Ano de origem≠ | 1989 | 2012 | 1998 |
| Autor original≠ | IETF Routing Protocols Working Group | ETSI NFV Industry Specification Group | John Moy |
| Tipo≠ | path-vector routing protocol | virtualization paradigm | link-state routing protocol |
| Fonte seminal≠ | Rekhter, Y., Li, T., & Hares, S. (2006). A Border Gateway Protocol 4 (BGP-4). RFC 4271. link ↗ | ETSI (European Telecommunications Standards Institute). (2012). Network Functions Virtualisation (NFV); Architectural Framework. GS NFV 002 V1.1.1. link ↗ | Moy, J. T. (1998). OSPF Version 2. RFC 2328. link ↗ |
| Outros nomes | exterior gateway protocol, inter-domain routing | virtual network functions, network slicing | link-state routing, intra-domain routing |
| Relacionados | 2 | 2 | 2 |
| Resumo≠ | 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. | Network Function Virtualization (NFV) is a paradigm that implements traditional network functions (firewalls, load balancers, gateways, packet inspection) as software running on commodity servers instead of proprietary hardware appliances. Introduced by ETSI (2012), NFV reduces capital and operational expenses by leveraging cloud infrastructure and enabling rapid deployment of network services. Combined with SDN, NFV enables on-demand service creation and network slicing. It is now central to 5G and cloud-native network architecture. | 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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