V2EX cross-layer

Cross-layer

释义 Definition

cross-layer(多用于计算机网络/通信领域):指跨层的跨协议层的(设计、优化或信息共享),即不严格局限在某一层(如应用层/传输层/网络层/链路层),而是在不同层之间协同或交换信息来提升性能。也常见作 cross-layer design(跨层设计)

发音 Pronunciation (IPA)

/krs le.r/(英式常见)
/krs le./(美式常见)

例句 Examples

Cross-layer optimization can improve battery life on mobile devices.
跨层优化可以提升移动设备的电池续航。

By sharing channel conditions from the link layer with the transport layer, the system adopts a cross-layer approach to reduce latency under congestion.
通过将链路层的信道状况与传输层共享,系统采用跨层方法在拥塞时降低延迟。

词源 Etymology

cross-(跨越) + layer(层) 组合而成。最常见于网络协议“分层模型”(如 OSI、TCP/IP)的语境中:传统分层强调各层职责清晰、彼此独立;而 cross-layer 强调在保持整体架构的同时,让不同层“打通信息”以获得更好的吞吐、时延、能耗等指标。

相关词 Relatd Words

文学与作品 Literary / Notable Works

  • Cross-Layer Design in Wireless Networks(多位作者的学术论文/综述标题中常见该词,讨论无线网络中的跨层方法)
  • Computer Networking: A Top-Down Approach(Kurose & Ross,网络教材中会在相关章节讨论跨层思想/权衡)
  • Computer Networks(Andrew S. Tanenbaum & David J. Wetherall,教材中涉及分层架构与跨层交互的讨论语境)
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