V2EX ospf

OSPF

释义 Definition

OSPF(Open Shortest Path First,开放式最短路径优先):一种常用的内部网关协议(IGP),用于在同一自治系统(AS)内进行路由选择。它属于链路状态(link-state)路由协议,通过计算最短路径(SPF)来生成路由表。(除路由协议外,在其他领域也可能有少见的不同指代,但网络领域最常见。)

发音 Pronunciation (IPA)

/o s pi f/

例句 Examples

We use OSPF to route traffic between office networks.
我们使用 OSPF 在各办公网络之间进行路由转发。

After the link failure, OSPF converged quickly and recalculated the shortest paths across the backbone.
链路故障后,OSPF 很快完成收敛,并重新计算了骨干网中的最短路径。

词源 Etymology

OSPF是首字母缩略词,来自 Open + Shortest Path First。其中“Shortest Path First”指用最短路径算法(常与Dijkstra算法相关)在网络拓扑中计算到各目的地的最佳路径;“Open”强调其作为开放标准在不同厂商设备间的互通性。

相关词 Related Words

文学与著作中的用例 Literary Works

  • IETF RFC 2328: OSPF Version 2(OSPFv2 的核心标准文档)
  • John T. Moy: OSPF: Anatomy of an Internet Routing Protocol(系统讲解 OSPF 设计与实现的经典著作)
  • Routing TCP/IP, Volume I(多版网络工程教材中均有 OSPF 章节,常用于工程实践与认证学习)
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