DHC’s network infrastructure focuses on security and speed. Core switches with redundancy are used to keep the company online at all times and the distributed layer switches has double gigabit optical fibers as linkage. China Netcom, China Telecom and Unicom’s multi dedicated lines connect to the internet with load balancing equipment, which greatly enhances access rate. All networks use double hot swap equipment to make sure that web data is reliable and communicated at high speed
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DHC uses top class fire wall with flexible visit control, safe and robust HA structure.

From the central server matrix to any desktop, the networked center control management anti-virus system is strong.

DHC adopts real-time monitoring backbone network administration system, manageable from the desktop.

Management:
Comprehensive information security strategy is applied to cover management and technical work:
       Internal Network Management
       External Network Management
       E-mail Management
       Anti-virus Security Management
       Security Backup Management
       Password Management
       Physical Location Management
       Security Level Management
       Network Security Monitoring Management

There are advanced IP net meeting system and VOIP telephone system between DHC and the cooperative partners overseas, this method of information exchange is extremely convenient.