为了提供这些服务，互联网的体系结构和传递服务所通过的商业模型两者或许都将改变。
To provide these services, both the architecture of the Internet and the business models through which services are delivered will probably have to change.
实用的网络体系结构都是层次结构，目前互联网使用的主流网络体系是TCP/IP。
The practical network architectures in use are all layered ones, TCP/IP is the mainstream network architecture used by Internet.
子系统间的相互联系构成了体系结构。
Mutual relations between the subsystem constitutes the systematic structure.
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