Vortex DDS

Find help with Vortex DDS products.

Overview of DDS

This guide gives a quick and simple overview of the concepts you will meet when you use a Distributed Data Service (DDS) System. What is DDS? In today’s connected world data is everywhere.  Information is stored on computers and needs to quickly travel around the globe.  Consider a train system.  The trains travel on tracks […]

New Features in Vortex Insight

This page lists all the new features that have been added in different Vortex Insight releases. You may also wish to read about Vortex Insight known issues and fixed bugs in Vortex Insight. Vortex Insight 2.1.3 contains the following new features: Support for Vortex Link 3.0.1. Support for OpenSplice 6.10.0. Vortex Insight 2.1.2 contains the […]

DDS Security: Using signed governance and permissions documents

Introduction The DDS security specification defines five Service Plugin Interfaces (SPIs) that when combined together provide Information Assurance to DDS systems. For access control SPI, an important step is the usage of signed documents to configure the built-in plugin. Configuration From specification, the DDS:Access:Permissions plugin is configured with three documents: The Permissions CA certificate The […]

Vortex Cloud not using incoming connection

This article describes how to troubleshoot Vortex Cloud not using an incoming connection from Vortex Fog when it is behind a Network Address Translation (NAT). Case description The case occurs when is  Vortex Cloud and Vortex Fog are trying to communicate.  Vortex Fog is behind a NAT and running with an OpenSplice product in the […]

How to install Vortex Platforms

This tutorial shows you how to install Vortex platforms. The Vortex platforms installer includes several different Vortex products. These are Vortex Cafe, Vortex Cloud, Vortex Fog and Vortex Insight. How to install Vortex Platforms Getting the correct installer Make sure that you download the correct Vortex platforms installer for your platform. The name of the […]

Known Issues In Vortex OpenSplice V6.9.x

New versions of Vortex OpenSplice are released on a regular basis.  This page lists all the known issues for Vortex OpenSplice V 6.9.x You may also want to read the following: Fixed bugs and changes for Vortex OpenSplice v6.9.x New Features in Vortex OpenSplice v6  

Fixed Bugs and Changes in Vortex OpenSplice 6.9.x

This page lists all the fixed bugs and changes in the Vortex OpenSplice 6.9.x releases. Regular releases of Vortex OpenSplice  contain fixed bugs, changes to supported platforms and new features are made available on a regular basis. There are two types of release, major releases and minor releases.  Upgrading Vortex OpenSplice contains more information about […]

Minimizing multicast usage in Vortex Café

The RTPS protocol and multicast communications Vortex Café uses the standard RTPS protocol to interoperably exchange data accross the network. The RTPS protocol is designed to take advantage of multicast communications for both: automatic discovery efficient data diffusion to several subscribers But, in some environments, multicast communications are not supported by the underlying network. In […]

Tuning the DDSI reliability protocol in Vortex Café

The RTPS protocol, defined in the DDSI specification, typically uses UDP transport. As the UDP protocol is not reliable, the RTPS protocol defines it’s own way to ensure reliable transmission of data from RTPS writers to RTPS readers when needed. This protocol can be tuned to improve latency, throughput or resource consumption depending the underlying […]

Creating and deleting a writer quickly causes sample loss

If you are creating and deleting a writer quickly it may cause sample loss. This explanation shows why creating and deleting a writer in short period of time may cause a loss of samples.   What happens when an application creates an entity When an application creates an entity, e.g. a DataWriter, it publishes samples […]