“我们在做什么生意?”这是人们在经营战略中首先提出的典型问题,这也是二级电信运营商通过放弃网络所有权和经营权正在回答的问题。但这个问题的另一方面表现为它又是没人能放弃的技术复杂的领域,即后端。作为大多数运营商的专门管道和遗留领域,后端名声不佳。 “What business are we doing? ” This is a typical problem that people first put forward in their business strategy. This is also the question that the telecom operators are answering by giving up network ownership and management. But another aspect of the problem is that it is a technically complex area that no one can give up, the back end. Backend has a poor reputation as a specialized conduit and legacy for most carriers.