Hands-On Data Distribution Service Workshop

Course Outline

General Introduction

Objective: Understand RTI products and services, brief company history and schedule.

• Agenda review
• Examples of customer applications
• RTI products and services

DDS Introduction

Objective: Understand the problem that DDS solves; describe general concepts and terminologies in RTI Data Distribution Services.

• What is DDS?
• Evolution of the DDS communication model
• Entities in the DDS infrastructure
• Quality of Service parameters that govern those entities
• Demo of DDS at work

Quality of Service (QoS) in DDS

Objective: Gain detailed understanding of QoS and what they can do

• Data volatility and delivery
• Presentation options
• Redundancy measures
• User data delivery

Basic Hands-on Exercises

Objective: Use RTI tools to generate code and diagnose the application; apply changes to QoS parameters to alter behavior

• RTI tools: nddsgen, nddsspy, nddsping
• “Hello World” publisher and subscriber
• RTI manual, API documentation
• Modifying default QoS

Dynamic Discovery

Objective: Understand the dynamic discovery process to be able to tune and configure according to your own requirements

• Participant discovery phase
• Endpoint discovery phase
• Configuration parameters
• Tuning parameters

Keys and Instances

Objective: Understand the difference between topics, instances and keys; discuss use cases of these.

• Advantage of using keys
• Common use cases
• Relevant API calls and QoS parameters

Reliable Communication

Objective: Illustrate the send and receive queue management, timeout constraints and important events.

• Reliability mechanisms
• Reliability objects
• QoS parameters and default behavior
• Design challenge

Threading Model

Objective: Understand the underlying threads in RTI middleware

• Database thread
• Event thread
• Receive thread
• Callbacks and settings for each thread

Listener Callbacks

Objective: Understand the different types of events and their corresponding listener callbacks

• Listener hierarchy
• Callback ordering
• Status and event definitions

Multicast Communication

Objective: Understand how to use multicast to send/receive data

• Receiver settings

Troubleshooting

Objective: Illustrate the various methods and tools used to trouble-shoot.

• Common design errors
• Common implementation errors
• Debugging tools and methods