1 Introduction

This specification pertains to the DirectPlay 8 Protocol and describes functionality related to the reliable delivery of DirectPlay 8 messages. The protocol is intended for use in multiplayer game communication where it provides for the delivery of mixed messages, both reliable and unreliable, over existing datagram protocols such as the User Datagram Protocol (UDP).

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.