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Document Owner

Initial Draft by Arlen Nipper (Arcom Control Systems)
anipper@arcomcontrols.com
Arcom Control Systems, 13510 South Oak Street, Kansas City, MO 64145, USA.
+1 816 941 7025 ext: 241
 
 

This document defines the format and protocol of the "MQ Series Integrator Pervasive Device Protocol"; formerly known as the Argo Lightweight On The Wire Protocol.
 
 

Changes

Of most value to implementors of the protocol, is the Protocol Version history section, which describes the differences between released versions of the protocol.
 

Introduction

Assumptions
 

Protocol Specification

• Message Format
• Fixed Header
• Variable Header
• Payload

 
• Protocol elements
• CONNECT - connect
• CONNACK - connect acknowledgement
• DISCONNECT - disconnect
• PUBLISH - publish
• PUBACK - publish acknowledgement
• PUBREC (formerly PUBACK1) assured publish acknowledgement (RECeived)
• PUBREL (formerly PUBACK2) assured publish acknowledgement (RELease)
• PUBCOMP (formerly PUBACK3) assured publish acknowledgement (COMPlete)
• SUBSCRIBE - subscribe
• SUBACK - subscribe acknowledgement
• UNSUBSCRIBE - unsubscribe
• UNSUBACK - unsubscribe acknowledgement
• PINGREQ - PING request
• PINGRESP - PING response

 
• Quality of Service
• QoS protocol flows
• Discussion of Topic Hierarchies and Wildcards

Related Information

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