Thus the purpose of this book is not to teach how to program using DCOM, but to explain what DCOM is not so that the reader will be better able to use it more effectively, understand the options available when using DCOM, and understand the types of applications that can be built by using DCOM. This book explains: what each service means, including load balancing, security, guaranteed delivery, delivery is deferred, broadcasting and multi-casting, and handling sessions. what this service aims to do, like saving time and effort or to provide network, safe reliable performance, resilient, high how services can be provided, and what other solutions exist to achieve the same goal how Microsoft has handled the problem Provide a complete picture, easy to understand, and compact all of the DCOM service Written from a designer or a manager point of view Comparing DCOM with other middleware