The availability of many embedded TCP/IP stack is not very good, because of its demands for the traditional and complete TCP/IP stack on another side of the communication, not the same embedded TCP/IP protocol stack just as them.

• 许多嵌入式TCP/IP协议栈的可用性就比较差,因为它们要求与其通信的另一端的TCP/IP协议栈只能是传统的完整TCP/IP协议栈,而不能也是和它一样的嵌入式TCP/IP协议栈。