V2EX trunking

Trunking

定义 Definition

Trunking(常见于通信与网络领域)指“干线/中继共享”:把多条通信连接、信道或网络链路汇聚起来,由多个用户或设备共同动态占用,以提高线路利用率、降低成本。也可指电气工程里的线槽布线(cable trunking)等用法。

发音 Pronunciation (IPA)

/trk/

例句 Examples

Trunking lets many users share a small number of radio channels.
集群通信(trunking)让许多用户共享少量无线信道。

By using trunking between switches, the network can carry multiple VLANs over one physical link while keeping traffic separated.
通过在交换机之间使用中继(trunking),网络可以在一条物理链路上承载多个 VLAN,同时保持各类流量彼此隔离。

词源 Etymology

来自 trunk(“树干;干线;主干”)+ -ing。在交通与通信里,trunk 常指“主干线路/干线”,因此 trunking 引申为“把多路连接汇聚到主干上进行共享与传输”的做法。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Mobile Radio Communications(A. Hamid Aghvami 编):讨论蜂窝与集群系统中的 trunking 概念与容量分配。
  • Computer Networks(Andrew S. Tanenbaum):在网络链路与资源共享的语境中涉及与 trunking/aggregation 相关的思想。
  • Cisco 认证学习资料(如 CCNA/CCNP 官方指南):在交换机配置中频繁出现 trunking(VLAN trunking、802.1Q 等)。
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