1 Introduction

This specification pertains to the DirectPlay 4 Protocol and describes functionality related to the reliable delivery of DirectPlay 4 messages. The DirectPlay 4 Protocol guarantees message delivery and provides throttling for applications that use DirectPlay 4.

Sections 1.5, 1.8, 1.9, 2, and 3 of this specification are normative. All other sections and examples in this specification are informative.