DDS

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Need your advice

Hello,

I'm working on master thesis project where I need to apply DDS with existing CPS system for smart buildings. CSP system's source code written with modeling language called ThingML. After compiling program runs as Java application.

Simple version of this CPS receive temperature from one or more thermometers. After that CPS sends signal to turn on/off heater switcher.

So my question is how/where to start?

Python (Connector) Subscriber - Subscribe to Java Example

Hi,

I have been working with the hello_idl example in the rti_workspace->examples->connext_dds->java.

I want to write a subscriber in Python that can listen to the java publisher. But so far I haven't gotten it to work. What do I need to change in the .xml to be able to listen to the java publisher.

Organization:

Novel Design of Collaborative Automation Platform Using Real-Time Data Distribution Service Middleware for An Optimum Process Control Environment

Refining and petrochemical processing facilities utilize various process control applications to raise productivity and enhance plant operation. Client–server communication model is used for integrating these highly interacting applications across multiple network layers utilized in distributed control systems.

Publication Year: 
2017

rtiddsgen Bitfield Question

Hi,

I'm new to DDS and I was looking through the rtiddsgen release notes and found that bitfields are no longer supported.

I have several messages I'm interested in creating IDL files for that have a format similar to:

MIDAS Overview and Demonstration - Using SDN and OpenFlow to automatically enforce DDS QoS

The MIDdleware Assurance Substrate (MIDAS) uses software defined networking (SDN) and OpenFlow to automatically enforce timing and other non-functional properties for DDS-based publish/subscribe systems.

The video demonstrates how MIDAS can be used to maintain the network Qos necessary to close a real-time control loop even in the presence of network interference and a Denial of Service (DoS) attack.

Author:

RTI Connext DDS CERT - Intro to Safety Certified DDS

RTI’s Connext DDS Cert is the first DDS implementation evaluated to DO-178C. It is available with a complete Level A Certification Package produced by Verocel, a leader in mission-critical software verification with a proven track record of DO-178 certifications. Find our more at https://www.rti.com/products/dds/cert.html

 

Organization:

regarding Connext DDS and Connext secure

Hello ,

         1.Considering DDS being a brokerless  solution, is there a meagre chance that DDS implementation can be done at broker level?

         2.Relating to the automatic discovery feature of DDS, RTI connext funadmentals of discovery somehow hampers the security aspect.

         For example , from the working context of discovery services, 

Read with query condition - .Net thread safety

I am using the C# .Net API for RTI Community DDS.

I am trying to query DDS on demand using a QueryCondition and read_w_condition() on a typed DataReader. I am trying to use the DataReader to access or take data I have previously published on demand from the application so that I can use DDS as a store of data. I am using multiple threads as I am servicing multiple interfaces.

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