Biztalk Orchestration

Biztalk Orchestration : allows you to view the sequence in which the messages flow across the application in a business process. An orchestration helps coordinate the different applications of a business process.

components of Biztalk Orchestration

1. Rules : In BizTalk Server, rules contain a fact, a condition, and an action. A fact is an expression that evaluates to either true or false based on a specific condition. In BizTalk Server, you can create facts using SQL queries. A condition is a statement, such as if and else, based on which an expression is evaluated. An action is a task performed in response to the evaluation of the fact.
2. adapter: is software that sends and receives messages to and from enterprise applications based on a protocol. The different types of adapters that BizTalk Server provides are BASE EDI, SQL, WSE2.0, FILE, FTP, HTTP, MSMQ, SMTP, SOAP.


A BizTalk Server 2004 orchestration is designed using eXtensible Language (XLANG).
XLANG graphically defines the sequence of steps in a business process. Business process flow diagrams are called XLANG schedule drawings.

XLANG schedule are executed using the XLANG scheduler engine.