First, the general definition of information systems integration information systems integration (engineering environment is generally called directly "systems integration") is a very broad industry concept. Generally speaking, information systems integration refers to: computer software, hardware, network communications, information security and other technologies and products integrated to serve to meet the specific needs of users of the information system.

For example, the second-phase project of the platform of a provincial organization in Hebei Province, which was constructed by the company at the end of last year, is a typical system integration project. It contains software (dozens of application Apps), hardware (nearly 200 rack-mounted devices and various communication links), network communication (APN/VPDN mobile network for mobile policing covering the whole province) and information security (mobile terminal management, VPN, PKI, firewalls, IPS, auditing, etc.), and the information system meets the specific business needs of the province in this field of business.

   The system integration has the following significant features:

1, to meet the needs of users as the fundamental starting point;

2, to choose the most suitable for the user's needs and investment scale of products and technologies;

3, reflecting more design, debugging and development of technology and capacity, not simply supply behavior;

4, system integration includes technology, management and business aspects, is a comprehensive systems engineering. Technology is the core of the work of system integration, management and business activities is the successful implementation of the system integration project is a reliable guarantee.

In short, system integration is a commercial behavior, is also a management behavior, its essence is a technical behavior.

Second, the computer network system integration

Network (may as well be specific to the routing and switching, wireless and other technologies) is any information system to support the skeleton and nervous system. High-bandwidth, highly reliable, low-latency network is the root of the construction of an efficient and low-cost information systems. Therefore, information systems integration in the past for a long time are considered to be network integration, and some places even "network cabling", "weak power construction team" and other labels attached to the network integration (business). Indeed, computer network integration will be an important work has been accompanied by systems integration (business), but the stage of information systems integration has emerged many more eye-catching dancers, security systems integration, intelligent building systems integration, transmission systems integration, software systems integration and so on are important areas of the information systems integration industry.

Third, software development, integration work and customer relations

All information systems are designed to meet specific needs, and needs are distilled from the actual work experience. The entire information system, and the customer direct interaction is a variety of application software, such as a terminal simulation program, a web page, an App, etc., they use the code logic and presentation window, a direct reflection of the customer's needs to meet the process. Therefore, we say that application software development and integration engineers and their related work is the closest relationship with customers. In the process of an information system construction, hardware, network, information security, storage, database and other work generally does not attract the special attention of customers (especially business or demand team), and the related operation and maintenance work is relatively small and mostly occurs in the data center or remote links that customers do not perceive. However, the application software development and integration work is just the beginning of the end, the continuous growth of business data scale, new business needs continue to emerge, the actual business adjustment, will continue to bring the application software modification and optimization, operation and maintenance work, more and more complex, and, all in the depth of the user's participation in the development.

Fourth, information systems integration and project management

The purpose of information systems integration is to build information systems to meet the needs. The process of system construction and project management is closely related to the information systems construction process of material procurement and management, contracts and other business documents over the review and signing, program design, progress and quality control, compilation of relevant documents, the construction process with the customer and the team's communication, the construction process, whether or not the law is compliant with the specific areas of knowledge embodied in the project management. It can be said that building an information system is the comprehensive use of project management tools to complete a specific information system integration project.

V. The main body of the information systems integration industry

The information technology industry has an uncountable number of vendors active in various fields. Routing and switching, security, wireless, load balancing, database, operating system, application development and so on. For various reasons, the docking of hard and software between different vendors always need to do a lot of work, from the bottom of the communication (such as links) to the development of the upper layer of the application, all need to be based on the customer's actual needs and the technical characteristics of the products of various vendors to the comprehensive consideration, the overall coordination, which is inevitably a complex, systematic project. Who will do this? The actual engineering environment is more of a system integrator to do this thing.

Information systems integration in pursuit of optimal overall performance, the whole system is low-cost, high-efficiency, proportional performance, expandable and maintainable system. To achieve this goal, the technical competence of the system integrator (or master integrator) is critical.

Ltd. is a NI alliance, agent, system integrator, mainly NIGPIB, NILABVIEW, NIDAQ, NI boards, NI data acquisition cards and other products. The company has a full set of hardware and software for product testing should be run solutions, the development scope includes ICT, Boundary Scan, functional testing, system testing. Business covers Shenzhen, Guangzhou, Zhuhai, Foshan, Nanjing, Hangzhou, Xiamen, Xi'an, Chengdu, Wuhan, Chongqing, Beijing and other places.

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