Book Image

Microsoft BizTalk ESB Toolkit 2.1

Book Image

Microsoft BizTalk ESB Toolkit 2.1

Overview of this book

An Enterprise Service Bus (ESB) is an architectural pattern and a key enabler in implementing the infrastructure for a service-oriented architecture (SOA). The BizTalk ESB Toolkit is a collection of tools and libraries that extend the BizTalk Server capabilities of supporting a loosely coupled and dynamic messaging architecture. It functions as middleware that provides tools for rapid mediation between services and their consumers. Enabling maximum flexibility at runtime, the BizTalk ESB Toolkit simplifies loosely coupled composition of service endpoints and management of service interactions. The thing about the technology that gets most readers excited is how easy it is to quickly implement flexible and well-architected ESB solutions. "Microsoft BizTalk Server 2010 ESB Toolkit 2.1" provides you with an easy-to-follow view of the tools and services that make up the toolkit. The content is packed with practical examples on how to utilize the technology, which will be appealing to the readers. This book provides you with all the information you need in one publication. The content is based on practical examples on how to use the technology to make it easier for readers to follow. This book starts off with a quick, high level introduction to ESB architectural principles, how these principles map into the ESB toolkit features, and an introduction to the different components that provide those features. The book then reveals the ins and outs of Itineraries. Next, you'll get engaged in the different ways errors can be handled and monitored by means of the ESB Toolkit features. There will be a hands-on sample on building a custom Repair and Resubmit solution to reprocess failed messages. Get to know the different web services that expose the ESB Toolkit features to external applications and how to use them with quick samples. The book ends with a preview to the new version of the toolkit.
Table of Contents (13 chapters)

Executing itineraries


There are multiple ways of executing or invoking our itineraries, where the message sender provides explicitly more or less information about the itinerary to execute:

  • Submitting the message through the ESB Itinerary Web Services: The client sends the message invoking those web services and attaching to the request a SOAP header that contains the actual itinerary to execute. In this scenario, the initiator has full control and responsibility over what steps compose the itinerary. We will know more about this on the chapter dedicated to the ESB Web Services.

  • Using the Itinerary Selector pipeline component with dynamic resolution: The message is received through a port whose receive pipeline uses the Itinerary Selector, configured with a resolver connection string that will find out the itinerary to apply (for example, a BRI resolver connection string). In this scenario, the consumer has relative control over the selection of the itinerary, as some information provided...