The Library's web development environment is J2EE, using BEA WebLogic Server 8.1 and WebLogic Portal 8.1 (in some cases).  Content is maintained using Serena Collage, Oracle, and Stellent.  The infrastructure supporting this includes both a development and production environment built using Sun Solaris servers.  The public access the environment by means of load balanced web balanced servers.  WebTrends 7.5b Enterprise is used to track web usage.

Digital Conversion: Current Hardware, Software and Access
All of the images were scanned at the Toronto Reference Library by Preservation and Digitization Services Department staff. Images were created by scanning from the original materials, except for the Pictures database that includes a scanned illustrated catalogue. The Library uses flatbed scanners, as well as a digital camera system for fragile books and oversized flat materials.

Scanners	Epson GT-15000, Epson Expression 10000 XL, Epson Perfection 4990 Photo
Camera	BetterLight Super 6K-HS 4x5 digital scanning back with TTI Reflex 45ei camera with copy stand
Software	Image editing - Adobe Photoshop CS2 OCR -  Abbyy FineReader 8.0 Pro PDF Files - Adobe Acrobat 7.0 Professional Compression - MrSid encoding using LizardTech GeoExpress 6.0 Virtual exhibitions - Macromedia Dreamweaver 8 and Flash 8

Dublin Core metadata is used to describe and provide access to the digitized materials. The Digital Collections portal uses particularly large digital images, and TPL supports the MrSID format, which allows users with a special browser plug-in to zoom and pan images.