Software from Microsoft that provides integration between business processes within an enterprise and between different organizations. BizTalk Server uses protocol implementations called "adapters" to communicate with applications and includes built-in adapters and a framework for creating new ones. It also provides rules-based routing, conversion between data formats and serves as a protocol bridge between HTTP, SMTP, MQSeries and other applications. BizTalk Server supports the Web Services Business Process Execution Language (WSBPEL). See BizTalk.Org, EAI and Web services.