V2EX routing table

Routing Table

释义 Definition

routing table路由表。指网络设备(如路由器、三层交换机或主机操作系统)中用于决定数据包下一跳(next hop)与转发路径的表格/数据库,通常包含目的网络、子网掩码/前缀长度、下一跳、出接口、度量值(metric)等信息。(在不同系统里也可能与“转发表/转发信息库 FIB”等概念相关。)

发音 Pronunciation (IPA)

/rut tebl/ (也常听到 /rat tebl/)

例句 Examples

The router updates its routing table every few seconds.
路由器每隔几秒就会更新一次路由表。

If the routing table contains an incorrect default route, traffic may be sent to the wrong gateway and cause widespread connectivity issues.
如果路由表里有错误的默认路由,流量可能会被发往错误的网关,从而引发大范围的连接问题。

词源 Etymology

routing 来自动词 route(为……规划路线/路径、按路径发送),与“路线、路径”的概念相关;table 原义为“桌子”,在信息表达中引申为“表格/列表”。合起来 routing table 就是“用于路由(选路/转发)决策的表”。

相关词 Related Words

文学作品 Literary Works

在传统文学作品中并不常见(属于现代计算机网络术语);更常见于网络与计算机技术类书籍与标准文档中,例如相关技术写作与教材会频繁使用该词组。

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