全球通信业务模式正在发生巨变 ,通信的概念也已经超越了人与人之间沟通的范畴 ,而扩展到人与数据中心以至数据中心之间的语音、数据和视频的交换。在过去的几年 ,全球骨干网业务量持续保持指数型增长 ,推动这一增长的主要因素包括在线用户数量的稳步增长、网页数量和内容的增 The global communication business model is undergoing tremendous changes. The concept of communication has also surpassed the scope of communication between people, and it has expanded to the exchange of voice, data, and video between people and data centers and even data centers. In the past few years, the global backbone network business has maintained an exponential growth, and the main factors driving this growth include the steady increase in the number of online users and the increase in the number and content of web pages.