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Implementation (Technology) Options

Implementation Option 5a (Buyer's Web Application) - How It Works:  Run Time, Inbound
Special Notes:    

Seller Action
ExtraNet Data Transfer
Identify File
   Envelope for Internal Transmission
Log Transmission Data
Internal Data Transfer
Processing Into Back-end Application
Back to Implementation Option 5a Index


  1. The seller performs some action that results in the creation of data for the buyer, such as a purchase order response.
  1. The data created by the supplier is deposited into a specific directory on the extranet application server.
  2. There are two options for how the intranet and extranet gateways communicate.
    1. The extranet gateway has a "listener" software function that polls directories continuously.  When the presence of a new file is detected, the listener launches the connection to the intranet gateway and transmits the file to a directory on the intranet gateway that is polled by its listener.
    2. The intranet gateway has a "checker" software function that connects at regular intervals to the extranet gateway server and polls directories.  When the presence of a file on the extranet gateway server is detected, the data is pulled to the intranet gateway server, and deposited in a directory on the intranet gateway that is polled by its listener.
  1. The gateway uses the identifier in the web application file to retrieve information about what to do with the file.
  1. The OAGI data is translated into the legacy proprietary format.
  1. The file should be enveloped for the internal application, including data for  identifying the sender, the type of message contained in the file, and the internal destination computer and application.
  1. If the application and the gateway are on different machines, an internal communications network is used to transmit the application data file from the gateway to the application computer.
  1. The application receives and processes the data.  The processing can be anything from just storing the data in the application for reporting to updating data bases and triggering other applications processes.



Last updated 02 March 2003