With gigabit traffic streams funneling through the LAN backbone, carrying a mix of data, graphics, voice and video exchange, backbone switches have to assume the mantle of high-end functionality.

• 由于千兆位流量通过局域网主干网汇流在一起，运载着数据、图形、声音和视频交换的混合信息，主干网交换机必须承担高档功能的外包装。