Of course, the start of the operation of the computer center and the use of large-scale computers will also give birth to the rapid development of another new field in Nanshan. Pen @ fun @ pavilion wWw. ｂｉｑUｇE。 info That's Internet technology, in fact, you can't say that, because the Internet has not yet been popularized in China, and what Jiang Chen wants to build and develop is just a set of local area networks within the entire Nanshan. No, it should be said that it is more extensive than the local area network, and it should be called a metropolitan area network. To put it bluntly, it is the network system within a city. Although Nanshan is not big at present, its huge development potential makes Jiang Chen and them have to think long-term.

The metropolitan area network is a computer communication network established within a city, referred to as MAN, which belongs to the broadband local area network. Its typical application is broadband metropolitan area network, which is a multimedia communication network with high-bandwidth, multi-function and multi-service access that integrates data, voice and video services within the city, based on IP and ATM telecommunication technology, with cables or wireless signals as the transmission medium. Broadband metropolitan area network can meet the increasing demand for high-speed and high-quality data communication services from government agencies, financial and insurance companies, universities, primary and secondary schools, companies and enterprises, especially the demand for broadband high-speed Internet access from rapidly developing Internet user groups. Local area networks and larger WANs are usually for a single unit or system, while metropolitan area networks serve an entire city or region.

For Jiang Chen's Western Industrial Company, B17 Factory, Xingmin Company, and related enterprises in the High-tech Experimental Zone, as well as various institutions in Nanshan, this metropolitan area network will be an important engine for their future development. Perhaps, under his golden finger, it will become a center for the development of the Internet in China in the future, driving the development of Internet technology and industry in the whole country. The rapid development of the Internet can also enable the Western Industrial Company, the B17 Factory, the Xingmin Company, and the relevant enterprises in the high-tech experimental zone to take this opportunity to carry out fundamental industrial upgrading and enter a new stage of development. On the contrary, the development of these enterprises has also promoted the development and progress of the Internet.

Under the previous construction, especially under the vigorous development of Jiang Chen, a complete telephone network system has now been formed in the entire Nanshan. In fact, this telephone network was originally developed by Jiang Chen and his Western Industrial Company, and at that time, Jiang Chen and his team built an internal telephone network covering the entire factory area in order to solve the contact between various factory units and departments in the company's industrial park and improve communication efficiency. Subsequently, because of the remarkable effect, the B17 plant also followed up with this construction plan, and also built an internal telephone network covering the whole plant in the B17 plant. Subsequently, Xingmin also built such an internal telephone network within the company.

Because of the development needs, and then under the organization and coordination of Jiang Chen, Jiang Chen and they integrated the internal networks of several enterprises through telecommunications companies and related technical personnel, forming a huge internal telephone network system. Subsequently, the staff community, various villages, townships, institutions and departments in Nanshan, including various enterprises in the later high-tech experimental zone also joined this network, thus forming an internal telephone network system covering the entire Nanshan area. To this end, Jiang Chen and his joint telecommunications department set up a special internal network telecommunications management department in Nanshan, which is responsible for managing the telephone network system in the entire Nanshan area.

Of course, because it is an internal telephone network, there are still differences between the telephone network system and that of external telecommunications operations. For example, the cost of internal calls in the entire Nanshan area is very cheap, and the current cost per minute is only a dime, which is much lower than the cost of external calls. However, if you call the outside world, the cost will be the same as that outside, and this is a good agreement between Jiang Chen and the telecommunications department. Of course, the reason why telecommunications has made such a big concession is that, on the one hand, because most of the funds for the construction of the telephone network in this Nanshan area are from within Nanshan, and of course, Jiang Chen and his own responsibility are mainly undertaken.

On the other hand, because of Jiang Chen, they and the telecommunications department are cooperating in other aspects. For example, Jiang Chen is currently working with the telecommunications department to try to set up a wireless communication base station in the Nanshan area to experiment with related technologies in wireless telephony. Of course, there are still many cooperation contents in this basket of cooperation with the telecommunications sector, such as using the successful research of advanced electronic components and micro integrated circuits in Jiang Chen's subordinate laboratory to try to develop the first wireless telephone in our country. This kind of telephone has been popularized in the Xiangjiang Treasure Island area, and has also appeared in Shenzhu and even Yangcheng in the south and is used by a small number of people. In the dialect there, this cordless phone is called 'Big Brother', and it is the name we call it the most, 'mobile phone'.

Although mobile phones are now available in China, and the construction and promotion of wireless communication base stations are also being started, all the related equipment currently used comes from abroad. In order to be able to avoid the flow of foreign exchange from others, and to reduce expenses and related costs, we must master the relevant technologies in this field. Through the dismantling and research of many foreign mobile phone brands of mobile phone related base station equipment, coupled with Jiang Chen's deliberate 'guidance', the research on the target has made great progress, and the experimental base station samples and mobile phone samples have come out, and are in the process of intense testing experiments.

With this completed telephone network system, Jiang Chen and they can use this ready-made network system to modify the metropolitan area network. However, Jiang Chen was a little disappointed that the previous telephone network lines, especially the main trunk lines and main branch lines, did not meet the technical needs of the metropolitan area network. Therefore, it can only be replaced with a large twisted pair cable suitable for network data communication transmission. Of course, Jiang Chen's plan was to replace it with more advanced optical fiber communication cables. However, during this period, there was no mature optical fiber communication cable technology for commercial operation at home or abroad. After the optical fiber communication technology is mature, the corresponding upgrade will be carried out.

Of course, the transformation of network lines is only the first step, and the next step is the construction of network switch system, which is also a complex and huge project. Its specific role is like a traffic light on the road, diverting and channeling data information. In this huge network, there are countless crossroads like this, so it is natural to need many network switches to be able to divert and channel. And this is not all the problems, such as the relationship between switches, the relationship between superiors and subordinates, and the speed problems caused by switches, which need to be studied and solved. And because the network system is relatively large, the use of switches is more, which prompts Jiang Chen to give up imports from abroad and take the road of independent research and development. Of course, this project has also aroused the interest of many companies and individuals, and they are actively involved in various projects. This includes the young Huawei company and Mr. Ren, who is supported by an iron-blooded tough guy.