COM+ Unleashed

Chapter 17. COM+ as a Transaction Coordinator

In This Chapter

• The Need for Transactions

• Microsoft Distributed Transaction Coordinator (MS DTC)

• A Simple Transaction Example

• Transaction Protocols

• The COM+ Transaction Programming Model

• Travel Agency Example

• Monitoring Transactions

• Design Considerations

A transaction, or commitment control, is the capability to define a set of a logically related operations as a single unit of work. That way, if one of those operations should fail, the work done by all those operations can be "undone," or rolled back, with a single function call. Performing transactions is one of the oldest challenges facing the computer industry. A tremendous percentage of the actual server-centric operations taking place in enterprise ...