TCPIP通信技术在Xilinx FPGA上的实现，可以使FPGA技术在水利管理上得到应用。-TCPIP communication technology on Xilinx FPGAs, FPGA technology has been applied in water resource management.

echo_server,基于xlinx的sdk编程，采用lwip完成了tcpip协议，包含完整的源代码。-echo_server, based xlinx the sdk programming, using lwip completed tcpip agreement contains the complete source code.