Important ODIS Infrastructre:
Excel and Word
Local area Network (LAN)
How does Immigration Pro keep track of client data?
A Database System stores attributes and their values for each client.
A network filesystem stores the database.
Immigration pro on each computer connects to the shared database.
Software can select data into a spreadsheet.
Spreadsheets can be processed by Excel and Word
How does the computer Print?
The printer appears as a device on the network.
The printer network device provides a print server.
Each computer connects to the printer.
Information to print is sent to the printer.
Reference: Windows Networking
How do the computers connect to eachother?
Each computer has a network interface card (NIC).
Each network interface connects to a central access point.
Connections may be with a wire or by wireless.
Each network interface has a unique address.
How do the computer access the internet?
Verizon FIOS provides a plug which connects to the internet (WAN).
A router connects the local network to Verizon FIOS.
The router provides a gateway to (and from) the internet.
Reference: ODIS Configuration
How are the computers secure?
Router acts as one gatekeeper
Firewall software on each computer acts as another.
Some information is blocked while others are allowed to pass.
©2007 David A. Barrett