Development And Integration Of CRM System Base On VPN Environment

Along with the rapid development of computer networks, the enterprises which have branches all over the country are building the telecommunication and internet system with VPN technology to attain data accessing and information sharing in a transparent way. Because of the security and low cost, VPN has been became the most widespread application on Internet. It is more important that improves the efficiency and security of data transportation.After researching the features and security of VPN system, this paper came up with a solution about deploying an application system on the VPN system. The improvements of the transportation of great quantity of data and efficiency of data access have been taken base on the development of CRM system: These techniques such as data page-division, boject serialization, and fixing the configuration of the firewall have been working to implemented that the balance of efficiency and secutiry; the asynchronous socket has been working to implemented that the VPN customer verification in the application system with catching and analyzing the http request datagram. Advanced solution and development parttern for information system base on VPN environment has been found by this paper.The flexible and available CRM system which based on B/S architecture, during many iteration processes about "design - develop -test - fix - provide", has been developed by the combined team which include the software develop engineers and business staffs with the skill of agile develop technology. The integration of CRM system and ERP system in parts of modules has been achieved with technology of DTS and remote access.Besides system deployment and user training, the modules of customer management, marketing team management and service of the CRM system project have been developed by the Author. In the process of iteration, I took part in the research, system design and coordinate with the customer about the system requirement.