1. Infrastructure construction
1. 1 Two common network architecture schemes for large-scale construction enterprises: (1) Complete set Chinese scheme, in which data is stored centrally in the headquarters, and each project department or branch company accesses the general application server, and headquarters→ headquarters server → project department ①→ project department ② → project department ③; (2) The distributed centralized scheme is to store the data in each project department and headquarters, with the application server in the headquarters, headquarters → headquarters server → project department ① → server → project department ② → server → project department ③. 1.2 server deployment server refers to a high-performance computer that can provide services to the outside world through the network. It is the carrier of information sharing and the core equipment of information system. Common server deployment schemes include cluster deployment, dual-server deployment and single-server deployment. Large group users and key business users generally adopt cluster deployment scheme, medium-sized users generally adopt dual-server deployment scheme, and small users generally adopt single-server deployment scheme. 1.3 network security network security is divided into internal security, border security, network connection and data transmission security. The internal security of the network is generally solved by installing anti-virus software system and regularly killing viruses; Solve the security of network boundary by installing firewall and spam filtering software; Network connection and data transmission security adopt VPN network or optical fiber dedicated line to enhance the security of network connection and data transmission. 1.4 information management system-the construction of information soft environment mainly includes three aspects: doing a good job in enterprise information strategic planning; Establish and improve enterprise information organization; Improve enterprise information management rules and regulations and various information system operation management systems. 2. As a management science, project implementation is also an art and a systematic project. The core of project management is people, which involves a lot of information communication with users, leaders and management, as well as resource coordination and communication within the project implementation team. Scientific project management methods will play a vital role in whether the project can be delivered and operated as planned. 2. 1 implementation principle The implementation of the project should follow the overall implementation principle of overall planning, highlighting key points, implementing step by step, and achieving results as soon as possible. 2. 1.65438+ In the overall planning process, we will always follow and embody the principles of system integration, openness, advancement, maturity, adaptability and guidance. In the overall planning, the overall technical route of application integration, management perspective, business collaboration and process flexibility is always implemented to meet the needs of current and future development and change of engineering project management. 2. 1.2 principle of highlighting key points In the process of project implementation, the planning and implementation will closely focus on informatization construction and aim at informatization project management. Through the construction of this project, the integrated modules of bidding management, contract management, schedule management, procurement management and inventory management will be built, which will lay a solid foundation for the final realization of information engineering project management. 2. 1.3 The principle of step-by-step implementation is to adhere to scientific project management and implementation methodology, improve and optimize the implementation process step by step, and minimize the implementation risk. Another key point of step-by-step implementation is to adhere to a mature, stable and reliable system strategy, and to set an example first, and then fully promote and improve it. We believe that informatization itself should be a process of continuous improvement under the overall goal. 2. 1.4 The principle of producing results as soon as possible is to adhere to the principle of giving priority to efficiency, avoid one-sided pursuit of high technology, and take practical interests as the principle without losing the advanced nature of the system. 2.2 Implementation stage According to the planning and requirements of project system construction, general projects are divided into six stages: project start-up, blueprint design, blueprint realization, system operation, system acceptance and after-sales service. At every stage, every fixed time and every task in the process of project operation, it is necessary to prepare the corresponding project progress report on time and deliver the output results of each stage, so as to ensure that the project manager can accurately grasp the project progress, allocate the project implementation resources reasonably and complete the project on time. 2.2. 1 The start-up phase of the project is also called the project preparation phase. The main tasks at this stage are: defining the project organization, making the overall plan, defining the project execution and control procedures, convening the project mobilization meeting, and training the basic principles. Workflow at this stage: project start → define project organization → address book of project organization team → prepare master plan → overall research plan → overall plan → milestone plan, stage implementation schedule (optional), monthly implementation schedule, training plan, master plan, resource matrix (optional), resource data sheet (optional) and quality management plan (optional) → define project execution and control procedures → project execution and control procedures. 2.2.2 Blueprint Design Stage The main task of the project blueprint design stage is to prepare for the project investigation, investigate and analyze the existing business processes, and obtain the future business process analysis and definition. The main work at this stage is to train users before business, conduct detailed demand investigation and business process simulation test, and finally determine all business processes and initialization methods. , and form a written document and instruction manual for each business unit to carry out actual business operations. Specific workflow: Start → Prepare Master Plan → Detailed Survey Plan → Submit Detailed Questionnaire and Use Case Training (optional) → Detailed Questionnaire and Use Case → Existing Process Survey → Problem List, Status Survey Report (optional) → Future Business Process Design → Business Requirements Solution → Prepare Milestone Meeting → Milestone Plan, Phased Implementation Schedule, Monthly Implementation Schedule, Project Progress Report, and Project Deliverable Quality Checklist (for internal use) 2.2.3 Blueprint Implementation Stage This stage is the key stage of the whole project implementation. The main tasks in the implementation stage of the project blueprint are: software installation and debugging, pre-application training, basic data preparation, detailed job training of product application, basic data entry and pre-training guidance. The blueprint implementation stage can be divided into system initialization stage and system daily business implementation stage according to the work content and time period. Through the project blueprint design in the previous stage, a series of basic data coding schemes, business processes, initialization manuals and other materials have been formulated, and users can sort out and input basic data according to them. On the basis of completing the initialization work, the daily business processing and workflow training of the system are carried out. In addition, in order to cooperate with the smooth implementation, detailed training should be carried out in the implementation stage of the blueprint. The specific training content will be explained in advance in the training plan made with the user implementation team before the project implementation. In the specific business operation, the project implementation manager and implementation engineer will give corresponding training and guidance to the user at the actual work site. The specific workflow of the blueprint implementation stage: startup → installation and debugging preparation → installation and debugging notice → installation and debugging acceptance sheet → pre-training → training sign-in form and training record → basic data preparation → basic data acquisition and conversion strategy → basic data coding instruction → basic data coding instruction manual → guiding users to make initialization plan → basic data acquisition and conversion plan, Basic data acquisition and conversion plan progress checklist → provide basic data acquisition table (optional) → basic data acquisition table → system initialization progress check → basic data acquisition and conversion plan progress checklist → determine basic data → product operation training → training sign-in table, training record and training feedback table → formulate data entry strategy → guide users to determine data entry plan → dynamic data entry plan, Dynamic data entry progress checklist → Do you need to adjust system settings—if not → Conduct trial operation evaluation (optional) → Trial operation evaluation report → Prepare milestone meeting → Basic data acquisition conversion plan and basic data acquisition conversion plan progress checklist → Provide basic data acquisition table (optional) → Basic data acquisition table → System initialization progress check → Milestone plan, phased implementation progress plan, monthly implementation progress plan, project progress report and project deliverable quality checklist. 2.2.4 System Operation Stage The main task of the system operation stage is to further improve the system, improve the proficiency of the client users and ensure the smooth delivery of the system. 2.2.5 In the system delivery stage, check whether the system functions meet the acceptance criteria and whether the delivered documents are complete. Workflow in the delivery stage of system operation: Start → Guide users to define employee rights → Guide users to formulate work standards and processes → Work standards and processes (optional) → Need to adjust system settings-if not → Prepare system delivery → Is the document complete → System acceptance → Document acceptance → Sign delivery document acceptance standards → Function acceptance → Project acceptance report → End.
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