This paper presents an architecture and a field
implementation for a flexible and scalable distributed access
control and management system, with application to the
educational environment. The distributed control modules are
developed based on embedded systems [1],[2]. Embedded systems
are becoming increasingly common due to the fast deployment of
advanced microcontrollers offering high processing speeds at an
affordable price and allowing for simple and reliable use of
Open Source software. The presented system uses a
microcontroller with a standard Ethernet interface, to validate
users presenting a compatible Ibutton or RFID Card. The user
credentials are validated locally or in a central database.
Authorized users are given access to reserved areas. By using a
powerful database, very flexible and complex high level
administration and management functions can be implemented.
By sharing the local IP network infrastructure, maximum
commonality and flexibility are achieved. Both microcontroller
and database server software are fully implemented using Open
Source developing tools.
Keywords: Access Control; Education; Embedded Systems;
Ethernet; RFID, TCP/IP.