STAR Internet Prepayment Power-selling Management System

  I. Explanation of Nouns

   CC: Client Service Center
   SC: Service Center
   BU: Business Unit
   DR: Distribution Region  
   DC: Data Center
   PSTN: Public Switched Telephone Network

   II. Brief of System

   Star Internet Prepayment Power-selling Management System is a new power-selling and 
   power-buying system facing to Internet/Intranet and combined with B/S and C/S structures. 
   It completely settles the problem of data fragmentary and manages the clients’ data
   concentrative with analyses. It brings convenience, celerity and security for clients to buy
   electricity. It makes the clients to feel the convenience of "One card in hand, Buy power
   everywhere". Diversified output of reports supplies the entire data analysis.
  
   The System is established according to the specialty of prepayment meters. It provides
   strong management function of power-selling and power-purchasing. It not only has the
   predominance of platform and system configuration, but also provides the standard client     
   service terminal. Clients can know the condition of power-purchasing in the most ordinary
   way, and they do not have to go-off for electricity purchase. This System is an internet
   power-selling management application for utilities as well as the client service center
   platform.

   III. Characteristics of System

   1. CC (Client Service Center) is the WEB application based on IE.
   Using the ideology of "Client Service" as the guidance, the NET exploitive technology and
   WEB technology as foundation, exerting B/S structure, assure the clients can use this
   system in the best way. If the clients have the IC Card reading equipment, they can do the
   power-purchasing in internet at home. This really realizes the client service center flat roof
   for clients to search information buy power and ask questions in Internet.

   2. Supplying power-selling in many places
   Each Service Center can sell the power to clients through two methods: in the region of
   better network condition, SC can sell the power through Web service center which supplied
   by IE to DC. If the network is cut, they still can sell power by SC special formality. Then they
   can send the data to the data center and download data in the form of PSTN dial-up. In this
   case, the missionaries can work under any conditions.

   3. Unite management of business data
   All business data send expel class. BU can get all of the business data of SC in this
   business unite; DR can get all data of all BU; DC can get all data of all DR.

   4. Security of data communication
   Data communication adopts SSL security agreement and AES encryption techniques. AES
   is a standard of using a safety code to encrypt information, and it sustains the cipher key of
  128 digits, 192digits, and 256digits. This insures security and dependability of power-buying   
   in the internet.

  IV. Flowing of Data
 
   Clients can query and buy power through internet, and mimeograph corrective bills of    
      documents.
   Clients can buy power through each SC
   SC can link the data center to sell power through internet, and mimeograph corrective bills
      of documents.
   BU can sell power to clients through special procedure, and mimeograph corrective bills of
      documents. Then it impresses data to reciprocal BU through PSTN.
   BU process every business such as opening an account, buying power, reissuing card,
      card maintenance, meter reading, and it can also build various report forms.
   BU transfers the business data to DR through PSTN.
   DR can do the statistic analysis of various report forms, and transfer the business data to
      DC through PSTN.
   DC can do the statistic analysis of various report forms

  V. Network Structure Picture

   VI. Requirements of System Hardware

     The system demand of customer terminal:
     Intel Pentium II processor and higher
     EMS memory 64M or higher
     10/100M Ethernet card
     Microsoft Windows 98/2000/XP Chinese
     Microsoft Internet Explorer 5.0 or higher
     Customer terminal procedure of relevant prepayment
 
     The System Demand of Service:
     Intel Pentium III processor or higher
     EMS memory 512M or higher
     CD-ROM or DVD Driver
     Minimum 30G usable disk space
     100M or 1000M Ethernet card
     Microsoft Windows NT 4(Server Pack6) or even higher edition
     Microsoft IIS 5.0 or higher
     Better than MS SQL Server 2000(using for database server)