As of December 2006, the lineup of Windows Server System software includes: * BizTalk Server – Business process design and integration tools * Commerce Server – E-Commerce portal * Exchange Server – E-mail and collaboration server * Internet Information Server (IIS) – Web server * Forefront – Comprehensive line of business security products * Host Integration Server – Data and management connector between Windows environments and mainframe systems such as AS/400 * Identity Integration Server – Identity management product * ISA Server – Firewall and caching web-proxy, known as Microsoft Proxy Server in its earlier iterations * Speech Server – Speech applications for automated telephone systems, including voice recognition * SQL Server – Relational Datab