企业内部网;网络地址转换(Network Address Translation NAT);电气和电子工程师学会(Institute of Elextrical and Electronic Engineering IEEE);国际标准化组织(International organization for Standardization ISO);国际电信联盟(International Telecommunication Union ITU);统一建模语言(Unified Modeling Language);接入点(Acess Point AP);帧中继;综合业务数字网(Internet Services Digital Network ISDN);数字数据网(Digital Data Network DDN)。