The Design And Implementation Of SaaS System In IT Services

In the process of information, small and medium-sized enterprises form a giant long tailmarket. The low cost SaaS system comes to be the favour of small and medium-sizedenterprises with its online rental business model. From the position of software services, thispaper designs a convenient and flexible SaaS system model, which is based on the businessprocesses of IT services and faced the small and medium-sized enterprises’ informationservices market.First of all, this paper expounds the background of subject research, reviews the currentdomestic and international application situation of SaaS system. According to characteristics andproblems of the IT services in our country, discusses the purpose and significance of SaaS systemresearch. Then，introduces the common SaaS system briefly.Second, the basic business process of IT services is described. Then finishes therequirements analysis of SaaS System based on this, such as the operation requirements,function requirements, structure requirements, security requirements and so on. The mainrelevant technology and modules are discussed next.Then, designs the SaaS system structure, integrates the hardware, software and networkinto the SaaS structure model. And further discusses the database prototype system,information flow control, and the corresponding system security strategy and cash flowstrategy.The design of system function module is the key work of this paper. As a systementrance and module interface, help desk is responsible for receiving and assign taskbetween modules. Carries on the detailed features list and work process analysis, completesthe design of the data sheet for the custom relationship management, human resourcesmanagement, and suppliers and inventory management.Later on, realizes the help desk and displays the concrete function.At last, briefly summarizes the full text research work, and proposes to the futureprospect.