("If you want to do good work, you must first sharpen your tools." XX Group deeply realizes that in order to develop its business, it must improve its internal core competitiveness, and it is imminent to build a convenient, fast and safe communication network comprehensive information support system. As a high-tech enterprise dedicated to enterprise informatization and system integration, it is a great honor to participate in the construction of XX Group's comprehensive network information system. Group enterprise network design scheme, complete scheme, must see for network construction 1. Preface?? 1.1. Construction goals of the Group's comprehensive information system??------------------------------31.2. Specific needs of users------- ---------------------------------------------- 41.3. Principles for the construction of the group's comprehensive information system?----------------------41.3.1 Advancement………………………………………… …………………….51.3.2 Standardization ………………………………………………………….51.3.3 Compatibility ………… …………………………………………………….51.3.4 Upgradability and Scalability ……………………………………………… ….51.3.5 Security………………………………………………………………..61.3.6 Reliability………………………… ……………………………………..61.3.7 Ease of operation ………………………….…………………………………….71.3. 8 Manageability ..??……………………………………………………………….7? Two. Integrated wiring scheme ---------------------------------------------8 ??2.1 Requirement Analysis ................................................8 ??2.2 The structure of the integrated wiring system ??2.3 The overall design of the system ...... 102.4 The description of the system structure design ...................... .................................11?2.5 Precautions during construction...................................... ...... 12? Three. Network Design Scheme--------------------------------------13??3.1 Network Design Requirements... …..13??3.2 Overall design strategy……………………………………………………14??3.3 Schematic diagram of the structure of the XX Group Park……………… ………………………… 15?? 3.4 Selection of network equipment………………………………………………………… 153.4.1 Selection principle… …………………………………………………………153.4.2 Core Layer Switches……………………………………………… …………173.4.3 Aggregation Layer Switches ……………………………………………………..183.4.4 Access Layer Switches …………………… ………………………………..19??3.5 Backbone network technology selection…………………………………………………………20??3.6 Routing Design of switching technology………………………………………………25?? 3.7 Network security design……………………………………………… ………… 35? Four. Network system design………………………………………………………………37??4.1 General requirements for system design……………………………… ……………………37?? 4.2 System Design Principles…………………………………………………………..38?? 4.3 System Design Scheme… …………………………………………………………..394.3.1 System Architecture Design…………………………………………………… ……..394.3.2 System Management Design ……………………………………………….414.3.2 System Security Design ……………………………… …………………….42? Five Windows Server Solutions----------------------------45?? 5.1WEB Server…… …………………………………………………………45?? 5.2 FTP Server Role: Configuration File Server ………………………………60 ?? 5.3ExchangeServer2003 product overview………………..71? Six. Project implementation and project testing-----------------------------------------87 Seven. project cost------------------------------------------------ -86 eight. Technical support service----------------------------------------888.1 After-sale service content………… …………………………………………………….888.2 Measures to ensure the quality of after-sales service …………………………………………89)