About This Book

This book describes all aspects of using Ensemble as an Enterprise Service Bus (ESB). This book is intended for the following audiences:

• Developers at client sites who will be using the public Service Registry and developing applications using the services through the ESB. These developers should be familiar with the first chapter, “Enterprise Service Bus and Registry Overview”, the second chapter, “Accessing the Public Service Registry through the Public REST API”, and the “Service Registry Public API Reference”. Developers at client sites do not need to read any of the other chapters, which describe the internals of using Ensemble as an ESB. Optionally, an ESB site can provide supplementary information to these client developers describing the conventions and practices used by the ESB.

• System architects or designers of an ESB should be familiar with all chapters of this book.

• System administrators should be familiar with all chapters of this book, but should focus on “Administering the Public Service and External Service Registries”, “Configuring an ESB,”and “Configuring ESB Services and Operations”.

• ESB custom component developers should be familiar with all chapters of this book, but should focus on “Configuring ESB Services and Operations”.

This book consists of the following chapters, appendices, and reference:

• Enterprise Service Bus and Registry Overview

• Accessing the Public Service Registry through the Public API

• Administering the Public Service and External Service Registries

• Configuring an ESB

• Configuring ESB Services and Operations

• Appendix Configuring an Ensemble System and Creating a Namespace

• Appendix Configuring a Web Application

• Appendix Pass-through Service and Operation Walkthrough

• Service Registry Public API Reference

For a detailed outline, see the table of contents.

For general information, see Using InterSystems Documentation.