WDC English name Web Data Center, Web-based, centralized collection, storage, processing and sending data equipment operation and maintenance of facilities and service system. WDC provided the main business includes VPS hosting (seats, racks, VIP engine room rental), the resource rent (such as virtual hosting business, data storage service) (the system configuration, system maintenance, data backup, troubleshooting, service), management services (such as bandwidth management, traffic analysis, load balancing, intrusion detection, and diagnosis of system vulnerabilities), and other support to run the service. WDC concept of a unified standard, but the concept can be understood as the public business of Internet rooms ", but it is also an IT professional services, critical infrastructure of the IT industry, the WDC is not only service concept and the concept of a network, which constitutes part of the network infrastructure resources, like the backbone network, access network, provides a high-end data transmission (DataDelivery) services and high-speed access services.

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