V2EX connectionless

Connectionless

释义 Definition

connectionless(无连接的):指通信在发送数据前不需要先建立固定连接/会话;每个数据包(报文)独立传输,通常由网络尽力而为地投递,可能乱序、丢失或重复(常见于 IP/UDP 等协议)。另有较少见的引申义:不与他人建立联系的、疏离的(语境较少)。

发音 Pronunciation (IPA)

/knknls/

例句 Examples

A connectionless protocol sends data without setting up a session first.
无连接协议在不先建立会话的情况下发送数据。

In a connectionless network, reliability is often handled by the application rather than the transport layer.
在无连接网络中,可靠性通常由应用程序而不是传输层来负责实现。

词源 Etymology

connection(连接) + 后缀 -less(无、缺少) 构成,字面意思是“没有连接的”。在计算机网络语境中,用来描述不需要“先握手建立连接”的通信方式。

相关词 Related Words

文学与著作中的用例 Literary Works

  • *RFC 768: User Datagram Protocol (UDP)*(将 UDP 描述为典型的无连接传输)
  • *RFC 791: Internet Protocol (IP)*(IP 被视为无连接的数据报服务)
  • Andrew S. Tanenbaum, Computer Networks(讲解无连接/面向连接的对比)
  • James F. Kurose & Keith W. Ross, Computer Networking: A Top-Down Approach(以 UDP/IP 为例讨论无连接通信)
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