1983年，加州大学伯克利分校发布的BSD 4.2版本UNIX操作系统中引入了Sockets网络接口1。该技术由国防高级研究计划局（DARPA）资助开发1，通过重用UNIX文件描述符模型为网络通信提供了统一、简洁的编程方式1。
Sockets最终击败了AT&T的STREAMS等竞争对手，成为业界标准1。Sun Microsystems通过在工作站中内置Sockets代码推广了这一技术1。即使是后来的QUIC协议等创新，最终仍然基于UNIX socket进行编程1。
The release of BSD 4.2 Unix by the University of California, Berkeley in 1983 introduced the Sockets network interface, a foundational technology that would become central to internet development.1 Developed with funding from the Defense Advanced Research Projects Agency (DARPA),1 Sockets leveraged the existing Unix file descriptor abstraction to provide a unified and streamlined approach to network communication programming.1
The elegance of the Sockets model lay in its reuse of a familiar Unix paradigm, which ultimately proved decisive in the competitive landscape of network interfaces.1 Though early rivals such as AT&T's STREAMS model emerged as alternatives,1 Sun Microsystems played a crucial role in establishing Sockets as the industry standard by incorporating it into its workstation products.1 The widespread adoption of this design demonstrated that simplicity and consistency with existing system concepts could triumph over competing technical approaches, a principle that has endured even in modern innovations—QUIC protocol implementations, for instance, continue to rely on Unix socket abstractions.1
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