The IPv4 protocol stack in VxWorks is ported from 4.4 BSD, with realtime capability enhanced. So, the network software architecture in VxWorks is similar to 4. 4 BSD.

• VxWorks是一种嵌入式实时操作系统，其IPv4网络协议栈是通过移植BSD 4.；4中的IPv4协议栈实现的，所以其网络软件的体系结构与BSD 4