The main business of IDC business license: basic business-host hosting, virtual host, host leasing, computer room leasing, bandwidth leasing, IT outsourcing, etc. Value-added services-various network security services, network optimization, content distribution (CDN), data storage, hosting, etc. At present, the key businesses are introduced as follows:
Hosting: Hosting service means that IDC provides customers with certain "space" and "bandwidth", where "space" refers to the fixed space of 1U/2U/4U with reference to the specifications of rack servers, and customers host their own network equipment and servers in the rented space. The customer owns the ownership and complete control of the managed equipment, and installs and maintains the software system by himself.
Virtual host: Virtual host provides the required host resources and Internet connection for customers to publish websites. Virtual host is a "small host" that divides server resources (system resources, network bandwidth, storage space, etc.). ) running on the internet is divided into several "virtual" servers according to a certain proportion. Each virtual host has an independent domain name, which is often used to place pages, pictures, databases and other contents of a website, and can only realize basic Internet services such as HTTP, FTP and Mail. Different virtual hosts on the same server are independent of each other and can be managed by customers themselves.
Host leasing: IDC purchases server equipment on a large scale and rents it to IDC customers to provide the lessee with services such as hardware repair and maintenance of the host. The customer has the right to use (ownership) and complete control over the leased equipment, and installs and maintains the software system by himself.
Computer room rental: Computer room rental means that IDC provides customers with a closed or semi-closed space to place their own network, servers and other equipment according to their needs, and the management and configuration are mostly done by customers independently. The VIP computer room is equipped with an independent access control system. In terms of network export, you can use IDC's Internet export or IDC's private line export.
Bandwidth rental: IDC can provide different types of port access modes and bandwidths according to customers' needs, which can be divided into * * * exclusive type and exclusive type according to different access modes.
Cdn: CDN:CDN (content distribution network), that is, content distribution network. Using CDN technology, by adding a new layer of network architecture to the existing Internet, the website content is published to the "edge" of the nearest network to customers. CDN can speed up the access of WWW web applications, and provide customers from different networks with access acceleration to the site in CMNET, that is, it provides the ability of two-way acceleration across networks.