V2EX qos

QoS

释义 Definition

QoS(Quality of Service):网络中的“服务质量”机制/指标集合,用来保证或区分不同数据流的性能,常关注带宽、时延、抖动(时延波动)、丢包率、优先级等;常用于语音/视频会议、在线游戏、企业专线与关键业务流量的保障。也常泛指相关的流量整形、排队调度、资源预留、优先级标记等技术。

例句 Examples

Our router enables QoS to prioritize video calls.
我们的路由器启用了 QoS,用来优先保障视频通话。

To meet the SLA, the provider implemented QoS policies that reserve bandwidth for critical traffic while limiting bulk downloads during peak hours.
为了满足服务等级协议(SLA),服务商实施了 QoS 策略:为关键业务预留带宽,同时在高峰期限制大流量下载。

发音 Pronunciation (IPA)

/kju o s/

词源 Etymology

QoS 是缩写,来自 Quality of Service(服务质量)。该术语在计算机网络领域中逐渐固定,用于描述网络对不同类型业务提供“可预测、可管理”的传输体验;随着互联网多媒体应用发展,QoS 成为网络工程与运营中常见的核心概念之一。

相关词 Related Words

文献与著作中的用例 Literary / Notable Works

  • **RFC 2205 Resource ReSerVation Protocol (RSVP)**(IETF)
  • **RFC 2475 An Architecture for Differentiated Services**(IETF)
  • **RFC 3261 SIP: Session Initiation Protocol**(与语音业务及 QoS 讨论常相关,IETF)
  • _Computer Networks_(Andrew S. Tanenbaum, David J. Wetherall)(网络教材中讨论 QoS、排队与拥塞控制)
  • _Computer Networking: A Top-Down Approach_(Kurose & Ross)(涵盖多媒体网络与 QoS 主题)
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