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应用的不断发展直接推动了网络的发展。最新的应用包括在网络上传输高清晰度复杂图像,如视频点播,在网络上的协同时处理,如飞机等复杂对象的协同自动设计,在网络上成千上万用户访问数据仓库,在成百台平台上进行网络备份。这些应用可以分成超大型文件(千兆字节或10~3千兆字节)的传输和时间敏感应用两大类。这些应用的瓶颈是对网络带宽的需求。考虑到保护网络的现有投资,引出在传统以太网机(10Mbps)和快速以太网(100Mbps)基础上发展千兆位以太网(Gigabit Ethernet,1000Mbps)。IEEE802.3工作组正在制定千兆位以太网标准引起人们的广泛兴趣。千兆位以太网采用与快速以太网和传
The continuous development of applications directly promote the development of the network. The latest applications include the transmission of high-resolution, complex images over the Internet, such as video-on-demand, collaborative processing on the web, collaborative automated design of complex objects such as aircraft, access to data warehouses on the Internet by thousands of users, 100 platform for network backup. These applications can be divided into large categories of documents (gigabytes or 10 to 3 gigabytes) of transmission and time-sensitive applications in two categories. The bottleneck of these applications is the need for network bandwidth. Taking into account the existing investment in securing the network, the development of Gigabit Ethernet (1000 Mbps) is based on traditional Ethernet machines (10 Mbps) and Fast Ethernet (100 Mbps). IEEE802.3 working group is developing Gigabit Ethernet standards aroused widespread interest. Gigabit Ethernet is used with Fast Ethernet and Pass-Through