Table 3.

Software Components in QACC

Application	Software component	Use
CSW	MIR CTN	DICOM communication and image storage
	Microsoft Visual Studio (C++)	GUI and system services
QA database	PostgreSQL	Relational database
QA web server	Apache Tomcat	Web server
	Java servlets	Underlying component for servicing web requests and providing web pages
Imaging web server	Philips EasyWeb	Displays images to QA radiologists. Standard installation with no modifications
Virtual private network	Nortel VPN Concentrator	Provides secure transmission