Shenyang Broadband Broadband ask you about the basics: Broadband networks can be divided into three parts: the transmission network, switching networks, access networks. Broadband transmission network mainly in SDH (synchronous digital hierarchy) based on high-capacity fiber optic network; broadband switching network is an integrated services digital network ATM (Asynchronous Transfer Mode) technology; broadband access network mainly fiber access, copper access in, hybrid fiber / copper access, wireless access. Broadband network technologies are divided into three categories: transmission technology, switching technology, access technology. MIIT also introduced two other modes: one of them is to encourage private enterprises to the capital cooperation, business agents, network and peacekeeping and other forms of cooperation and infrastructure businesses, share the benefits, the other one is encouraged to have Internet access services private enterprises enterprise dedicated access (ISP) license and lease access network resources from basic telecommunications business enterprise leased line to its own brand to provide users with broadband Internet access services. To protect the open work actively and steadily push forward, and effectively protect the legitimate rights and interests of consumers, "notice" of basic telecom enterprises and private enterprises are set forth requirements, and to develop issued a "broadband access network business open pilot program" on the first open mode . Ministry pointed out that broadband access to private capital markets opening up the Great Wall Broadband business line, is an important measure for China to promote the further deepening of reform and opening up of the telecommunications industry, will greatly stimulate private investment and expand business information consumption Line installation, further prosperity of information and communications market and promote broadband network infrastructure, and broadband services to enhance the level of service, to provide customers with more choice and better service. Great Wall Broadband business enterprise Dedicated Line _ _ abundance and IT centers by the Shenyang City HSBC and IT center. Shenyang abundance and Information Technology Center (www.4000010001.com) (www.tz1288.com) strong, credible, in Shenyang, Liaoning province, such as e-commerce industry has accumulated a large number of loyal customers. The company better work attitude and continuous improvement and innovative ideas will lead HSBC IT center and you hand in hand into the brilliant, for a better future!