V2EX srv

SRV

释义 Definition

SRV 通常指 DNS 的“服务记录(Service Record)”,用于在域名系统中指定某项服务(如 SIP、XMPP、LDAP 等)对应的主机名与端口,并可包含优先级与权重以支持负载均衡与容错。也可能在不同语境中表示 server(服务器) 等缩写,但在网络与运维语境里最常见的是 SRV 记录

发音 Pronunciation (IPA)

/s r vi/

例句 Examples

We added an SRV record for the chat service.
我们为聊天服务添加了一条 SRV 记录。

To improve reliability, the admin configured multiple SRV records with different priorities so clients can fail over automatically if one server goes down.
为提高可靠性,管理员配置了多条不同优先级的 SRV 记录,这样当一台服务器宕机时客户端可以自动故障切换。

词源 Etymology

SRV 来自 Service 的缩写,用作 DNS 资源记录类型名称;其规范化用法在互联网标准文档中确立,用来描述“某服务位于哪台主机、使用哪个端口,以及如何选择/分配流量”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • RFC 2782 A DNS RR for Specifying the Location of Services (DNS SRV)
  • DNS and BIND(O’Reilly)相关章节对 SRV 记录有系统性介绍
  • Microsoft Learn / Windows Server DNS 文档(讨论 SRV 记录在 Active Directory 中的用途)
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