This document is written to help programmers take advantage of Enterprise Message API features and achieve high throughput and low latency with their applications. The information detailed herein assumes that the reader is a user or a member of the programming staff involved in the design, code, and test phases for applications that will use the Enterprise Message API. It is assumed that you are familiar with the data types, operational characteristics, and user requirements of real-time data delivery networks, and that you have experience developing products using the C programming language in a networked environment. It is assumed that the reader has read the Message API C Edition Developer’s Guide to have a basic familiarity with the API Transport and the interaction models of OMM Consumers, OMM Interactive Providers, and OMM Non-Interactive Providers.