V2EX routing-table

Routing Table

释义 Definition

routing table(路由表):网络设备(如路由器、主机)用来记录“到达不同网络/目的地址应走哪条路径”的表格数据结构。它通常包含目的网络、下一跳(next hop)、出接口、度量值(metric)等信息。(在不同系统中也可能称为 forwarding table/转发表,侧重点略有不同。)

发音 Pronunciation (IPA)

/rut tebl/

例句 Examples

The router checks its routing table before forwarding a packet.
路由器在转发数据包前会先查看路由表。

When the link failed, the dynamic routing protocol updated the routing table and traffic shifted to a backup path.
当链路故障时,动态路由协议更新了路由表,流量随即切换到备用路径。

词源 Etymology

routing 来自 route(路线、路径),表示“选择路径并引导流量”的过程;table 指“表格/表”。合起来 routing table 字面意思就是“记录路由信息的表”。该术语随着计算机网络与分组交换技术的发展而普及,用于描述设备如何根据规则与学习到的路由来决定转发方向。

相关词 Related Words

文学与著作 Literary Works

  • Computer Networks(Andrew S. Tanenbaum, David J. Wetherall)
  • TCP/IP Illustrated, Volume 1(W. Richard Stevens)
  • Routing TCP/IP(Jeff Doyle)
  • Interconnections: Bridges, Routers, Switches, and Internetworking Protocols(Radia Perlman)
  • RFC 1812: Requirements for IP Version 4 Routers
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