With the online and offline integration of the Internet and the emergence of new business models, higher requirements and challenges are put forward for enterprise network architecture. e Cloud helps enterprises with its excellent architecture design concepts and large-scale distributed system data operation capabilities to realize the transformation of the Internet and quickly respond to business challenges. (1) Shift from a decentralized and vertical system architecture to an open system architecture (2) Shift from separate exclusive resources to unified resource scheduling and sharing (3) Shift from decentralized data and complex networks to a safe and reliable network architecture (4) Shift from scattered high operation and maintenance costs to centralized management and centralized operation and maintenance (5) Shift from high energy consumption to low energy consumption and environmental protection.