Internet上承载的业务分析

Analysis of Internet Services

Internet的开放性促使Internet上的业务种类越来越多。目前常见的网上业务有:E-mail、WWW、FTP、Telnet、电子商务等,Internet上还可传送一些实时业务,如:IP电话/传真、多媒体会议、远程教学和远程医疗等业务。但Internet的网络安全、服务质量及拥塞处理等方面的缺陷,使其在提供实时业务方面受到限制,这也是在Internet上开放业务时应注意的问题之一。

More and more services are provided over the Internet: E-mail, WWW, FTP, Telnet, E-commerce as well as some realtime services such as IP telephony/fax, multimedia conference, distant learning and telemedicine.But network security, QoS, congestion and other problems hinder the realtime service provisioning.