Network Programming Topics in this section include: • What a socket is • What you can do with a socket • The difference between TCP/IP, UDP/IP and Multicast sockets • How servers and clients communicate over sockets &#

：针对机器人遥操作系统中采用传统网络传输协议传输实时数据的局限性，比较分析TCP和UDP协 议的传榆特点，提出了在UDP协议上传输TCP服务的TCPOVERUDP技术，详细阐述了TCPOVERUDP 技术的实现细节，在应用层实现了TCPOVE RUDP传输技术，并把TCPOVE RUDP技术应用到机器人遥 操作系统的视频传输中。实验结果表明TCP OVE R UDP技术在降低视频数据传输丢包率和传输时延两个 方面都具有良好的性能。-Chuan Yu characteristics

performance evaluation of reactive and proactive protocols. the performance is evaluated with respect to throughput over TCP and UDP connections types