File Server

WWW Server

CommunicateServer

Database

Switch Router

FirewareRouter

Database

CommunicateServer

Internet

Clients Customs

Communicate Client

DatabaseServer

SwitchRouter

SwitchCommunicateServer

Internet

Manager

Manager

Finance

Monitor

DDN

Record

Finance

Others

Record

Finance

Custom

Others

Data Center

Data Center

Client Center

Data Center Network Diagram

Client Center