V2EX routable

Routable

定义 Definition

routable(形容词):可路由的;可被网络路由器转发的。常用于网络与互联网语境,表示某个地址/流量在网络中是“可达、可转发”的(例如“公网可路由 IP”)。另有较少见的引申用法:可规划路线的、可按路线传递的。

发音 Pronunciation (IPA)

/rutbl/(亦常见 /ratbl/)

例句 Examples

This subnet is routable on our internal network.
这个子网在我们的内部网络中是可路由的。

Only routable public IP addresses can be reached directly from the Internet, while private addresses require NAT or a VPN.
只有可路由的公网 IP 地址才能从互联网被直接访问,而私有地址通常需要 NAT 或 VPN 才能访问。

词源 Etymology

route(路线;路由)+ 形容词后缀 -able(“能够……的”)构成,字面意思是“能够被路由/按路线传递的”。在计算机网络领域中逐渐固定为“可由路由器转发、在路由表中可达”的专业用语。

相关词 Related Words

文献与作品 Notable Works

  • RFC 1918 Address Allocation for Private Internets(讨论私有地址与公网“可路由”地址的差异,是学习“routable / non-routable”概念的经典文档)
  • RFC 4632 Classless Inter-domain Routing (CIDR): The Internet Address Assignment and Aggregation Plan(与互联网可路由前缀、地址聚合等概念密切相关)
  • RFC 4291 IP Version 6 Addressing Architecture(涉及 IPv6 全局可路由地址等术语与框架)
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