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Architecting your System with Connext DDS: 2. Data Modeling in the Wild

Data Modeling decisions drive system architecture and design, as well as dramatically affect network communication content and behavioral patterns. This talk will examine a collection of real-world use cases which exhibit different descriptions of the same information, based on the requirements of the systems in which they are implemented. Concepts to be discussed include:

- Data at Rest versus Data in Motion
- Uniqueness of data
- Conceptual, Logical, Platform levels of Data Modeling
- “On the Wire” considerations
- Interoperability

Attendees will understand that data and its associated behavior are the keys to realizing the benefits of RTI Connext and DDS.
Recorded Jun 3 2020 59 mins
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Presented by
Mark Swick, System Architect, RTI
Presentation preview: Architecting your System with Connext DDS: 2. Data Modeling in the Wild

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  • Channel
  • Channel profile
  • Efficiency in Overdrive: How to Analyze DDS Traffic Using Wireshark, Part 6 of 6 Sep 24 2020 4:00 pm UTC 60 mins
    Mike Partington - Principal Application Engineer, RTI
    With its rich searching, visualization, and protocol interpretation capabilities, Wireshark is a popular tool for analyzing network communications in a Data Distribution Service (DDS) environment. In this session, we'll show how to use Wireshark for several analysis activities, including measuring performance, determining whether a system is working as expected and debugging different types of communication issues. Whether you are new to the Real Time Publish Subscribe (RTPS) wire protocol or a seasoned veteran, this is a perfect chance to pick up new techniques that can help you put productivity and efficiency into overdrive.

    In this Tech Talk, you’ll learn how to:
    - Use filtering to see only the packets of interest
    - Deserialize and view individual topic data
    - Diagnose common communication problems
    - Visualize traffic to measure performance and look for patterns
    - Increase your understanding of the RTPS wire protocol that is part of DDS
  • GVA & DDS: Leveraging Important Features in the Evolving Open Standards for DDS Sep 22 2020 1:00 pm UTC 60 mins
    Paul Tingey, Senior Field Application Engineer, RTI
    Building on Part 1 in this series, this session provides a deeper view into some of the fundamental building blocks of Data Distribution ServiceTM (DDS) and how they relate to the Generic Vehicle Architecture (GVA).

    One of the significant advantages of DDS for GVA is that it is an open standard. The fundamental operation of DDS is non-proprietary, and it is designed to ensure interconnectivity between different implementations and systems. These core principles of DDS align perfectly with the purposes for which the UK Ministry of Defence (MoD) first developed the GVA standard.

    An additional benefit of the DDS open standard is that it is continuously evolving. This could be challenging, yet GVA has shown itself to be ready to evolve to leverage important features from newly-released DDS-related standards from the Object Management Group (OMG).

    In this webinar, we will discuss some of the features of DDS that are of critical importance to GVA. We will also explore some of the newer features introduced in the latest versions of the OMG specifications that govern DDS.

    This webinar will include discussions on::
    - Quality of Service: How it is defined, and how it is used in GVA
    - Interface Description Language (IDL) overview
    - Datatypes: How they are defined in DDS, and the importance of the latest changes to the OMG specifications to the Land Data Model
  • Inside DDS: Connext DDS Tools Demo Sep 17 2020 6:00 pm UTC 60 mins
    Vinh Du, Field Applications Engineer, RTI
    If you’re new to DDS, you may be excited about the big picture, high-level capabilities it offers. But you may be missing out on the nuances of understanding how to use it in an expert fashion to optimize your project. Using the right tool for the job can cut a huge chunk out of your development time and cost – and ensure your project is set up for optimal performance when it goes live. Join this webinar to learn about the Connext Tools product suite and how organizations are using them to increase productivity and results in their distributed application.
  • Inside DDS: Introducing Connext DDS Communication Software Sep 10 2020 6:00 pm UTC 60 mins
    Vinh Du, Field Applications Engineer, RTI
    Have you ever wondered how complex computing systems communicate? When it comes to connectivity between unique systems, RTI's Connext DDS is the leading provider of DDS communication software. RTI's Connext DDS has a proven track record of success to ensure that these connected systems stay connected where human lives are at stake. This complimentary webinar compares DDS to traditional socket based network communication. It will introduce, publish and subscribe communication with QoS, which are the core features of Connext DDS.
  • RTI Tools: Quickly Solve Configuration Errors in Distributed Systems Part 5 of 6 Aug 27 2020 4:00 pm UTC 60 mins
    Ken Brophy - Principal Applications Engineer, RTI
    It’s no secret that managing, visualizing and optimizing a complex distributed system can be a major challenge. And for those still doing it manually, debugging applications alone can swallow days or weeks of valuable time. There is a better way: RTI has a suite of versatile, integrated tools that can help with these tasks. And our Admin Console can even automatically check for request/offered Quality of Service (QoS) issues. This webinar will provide a guided tour of the many tools RTI provides that can help you avoid configuration issues, inspect live data streams, generate code, set detailed QoS policies and monitor network connectivity. This high-level overview will present a variety of use cases that map to real-world scenarios from customers across the globe.

    Join us to learn about:
    - The capability to automatically find and solve configuration errors in distributed systems
    - The fastest way to debug multiple applications using RTI Tools
    - The breadth of tools RTI has available, all which are included in one integrated offering
  • Using Connext DDS to Achieve Data-oriented Microservice Integration, Part 4 of 6 Recorded: Jul 30 2020 61 mins
    Bob Galbreath and Christopher Carson
    Today, many agile software organizations are increasingly adopting application microservice architectures to accelerate product delivery. This RTI Tech Talk session presents a data-oriented approach to microservice integration. Using RTI Connext DDS, which is based on the popular Data Distribution ServiceTM (DDS) standard, system and software designers can institute and easily share communication interfaces with reliable transport of time sensitive data.
    RTI Connext DDS provides its users with a rich set of Quality of Service (QoS) features such as time- and content-filtering and application redundancy, as well as the enforcement of data deadlines, history and persistence. Developers using RTI Connext DDS can eliminate many of the complexities of application collaboration, because these capabilities are configurable as part of the Connext DDS core. Join us to learn how:
    - Connext DDS integrates with microservice architecture to optimize agile software delivery, scalability,
    and fault tolerance.
    - Connext DDS microservice applications map to deployment artifacts.
    - Connext DDS allows microservice applications to participate in a modular design architecture.
  • How Do You Future-Proof Electric Vehicle Connectivity? Recorded: Jun 30 2020 60 mins
    Sara Granados Cabeza, PhD., Principal Field Application Engineer, RTI
    When you design your next-generation electric vehicle (EV) architecture, there’s a strong drive to create something that will last for at least 10-20 years. For that, you need to understand the market, make an educated guess on what’s going to be needed in the near (and not so near) future, and hope everything goes as expected. But what if the market changes? What if unexpected events take development off course? Will you be able to shift gears and get your system back on the right track?

    Being prepared for the unexpected is what makes us evolve, and the connectivity that supports your EV development efforts should follow the same rule. In safety-critical systems, you need to design your connectivity so that new functionality can be added without affecting the current system. Even in naturally static systems such as certified vehicles, choosing the right connectivity technology gives you the ability to adapt to change and stay ahead of the curve as requirements evolve.

    In this webinar, we will review some of the key attributes of a next-generation electrical and electronic vehicle architecture that is well prepared to meet tomorrow’s needs:

    - Flexible architecture to adapt to changing requirements
    - Extensible data model to accept new functionality
    - Security as needed depending on your connectivity needs
    - Easy integration with backend and existing technologies
  • How to Simplify SOA Development Using Connext DDS, Part 3 of 6 Recorded: Jun 25 2020 62 mins
    Fernando Garcia, Principal Software Engineer, RTI
    The design and development of distributed systems is challenging. Currently there are multiple ongoing efforts that aim to simplify development by providing reusable patterns and architectures that can be applied across different industries.

    RTI ConnextⓇ DDS provides a holistic solution for distributing data that follows, at its core, a data-centric publish-subscribe communication model. This communication pattern is extremely flexible and is often considered a super pattern upon which many well-known patterns, such as request-reply and queuing, can be constructed. In this Tech Talk, we explain how to implement Service-Oriented Architecture (SOA) using standard Data Distribution ServiceTM (DDS) features. In particular, we will demonstrate how to leverage mechanisms defined in the OMG® Remote Procedure Calls (RPC) Over DDS specification to create DDS Services, and will show how to leverage RTI Connext Request-Reply APIs to use them. As part of the presentation, we'll take a sneak peek into some of the upcoming features in Connext DDS that aim to simplify the development of SOA and perform a live demonstration that showcases a few examples of these applications.

    Attend this Tech Talk to learn:

    - Specific Connext DDS features that can simplify the implementation of SOA
    - How Connext DDS helps developers leverage the OMG’s RPC Over DDS specification to create DDS Services
    - How to establish flexible communication patterns such as request-reply and queuing
  • GVA and DDS: Lowering Cost and Driving Innovation in Land Vehicle Platforms Recorded: Jun 23 2020 56 mins
    Paul Tingey, Senior Field Application Engineer, RTI
    In 2010, the UK Ministry of Defence (MoD) released the first version of their General Vehicle Architecture standard (Def Stan 23-009), more widely known as GVA. The GVA standard defined a set of requirements for the development of military vehicles based on a single cohesive and logically connected architecture. The motivation was to reduce risk and costs through the entire vehicle life cycle, while at the same time improving equipment capability through better integration and scalability.

    Today, the UK MoD mandates the use of the GVA standard for all future land vehicle platforms and upgrade programmes. The GVA approach is currently also being followed by many other nations, as well by NATO through its NGVA programme.

    The success of GVA is a fine example of the benefit of adopting open standards. And one of the most critical open standards specified in GVA is Data Distribution ServiceTM (DDS), which is used as the underlying software framework for vehicle development. In turn, the data model that underpins DDS is itself woven into the GVA solution through the Land Data Model, which the MoD defines and maintains.

    In this webinar, we will review key aspects of the GVA and how it drives innovation, with a focus on the software architecture. Among other topics, we will cover:

    - An overview of General Vehicle Architecture
    - The structure of the underlying the data model (Land Data Model)
    - How GVA uses DDS as the foundation of a standard-based solution
    - The importance and benefits of data-centricity in the GVA approach
  • Architecting your System with Connext DDS: 2. Data Modeling in the Wild Recorded: Jun 3 2020 59 mins
    Mark Swick, System Architect, RTI
    Data Modeling decisions drive system architecture and design, as well as dramatically affect network communication content and behavioral patterns. This talk will examine a collection of real-world use cases which exhibit different descriptions of the same information, based on the requirements of the systems in which they are implemented. Concepts to be discussed include:

    - Data at Rest versus Data in Motion
    - Uniqueness of data
    - Conceptual, Logical, Platform levels of Data Modeling
    - “On the Wire” considerations
    - Interoperability

    Attendees will understand that data and its associated behavior are the keys to realizing the benefits of RTI Connext and DDS.
  • Architecting your System with Connext DDS: 1.Designing a Layered Databus System Recorded: Apr 30 2020 57 mins
    John Patchin, Senior Applications Engineer, RTI
    Many medical, IIoT, and industrial systems require sharing of data across networks, across different transport protocols, or among devices. These systems often require capabilities such as fault-tolerance, scalability, low-latency, and sub-system isolation. DDS enables these types of applications by providing a data-centric, highly scalable and efficient databus architecture. Furthermore, layering databuses has many benefits, including scalability, isolation, and redundancy.

    However, key questions must be answered when designing a layered databus system:
    · What are some recommended approaches for defining the layers?
    · How are the layers connected?
    · What effects does layering have on performance?
    · What are the different approaches to implementing a layered databus?

    This presentation will provide an overview of these topics and offer insights and recommendations for designing your own DDS-based systems.
  • Integrating DDS Into the AUTOSAR Adaptive Platform Recorded: Feb 12 2020 59 mins
    Fernando Garcia, Principal Software Engineer at RTI and Emilio Guijarro Automotive Applications Engineer at RTI
    The AUTOSAR Consortium has recently adopted Data Distribution ServiceTM (DDS) as a connectivity standard for its next-generation Adaptive Platform. In combination with the ara::com API, DDS enables Adaptive applications to achieve reliable, scalable and secure communications leveraging a rich set of Quality of Service (QoS) policies, while adhering to the semantics of ara::com's service-oriented architecture.

    In this webinar, we’ll explore the integration of DDS into the AUTOSAR Adaptive Platform. We’ll highlight the most salient use cases for the combination of DDS and AUTOSAR Adaptive. Also, we’ll focus on RTI's reference implementation of the DDS network binding for the AUTOSAR Adaptive Platform Demonstrator, and illustrate how it can be easily integrated with the RTI Connext ecosystem. Lastly, we’ll also address some of the ongoing efforts to integrate DDS into the AUTOSAR Classic Platform.
  • Using Connext DDS Secure 6.0 to authenticate and encrypt your system Recorded: Dec 3 2019 60 mins
    Jose Lopez-Vega, Principal Software Engineer at RTI
    Connext DDS Secure 6.0 introduces a robust set of security capabilities to your system including authentication, encryption, access control, and logging. Thanks to its support of secure multicast, Connext DDS Secure 6.0 enables efficient and scalable distribution of data to many subscribers. Performance is also optimized, because Connext DDS Secure 6.0 enables fine-grained control over the level of security applied to each data flow, such as whether encryption or just data integrity is required.

    Connext DDS Secure 6.0 presents new capabilities beyond Connext DDS Secure 5.3, which was the first general-access release that fully supported the DDS Security specification. Today, Connext DDS Secure 6.0 supports more use cases and the latest OMG Data Distribution ServiceTM (DDS) Security specification (1.1).

    In this webinar, Jose Lopez-Vega, Connext DDS Secure product lead, will introduce you to the RTI Security Plugins, which support the Connext DDS Secure implementation of the OMG DDS Security specification. He will also highlight tips and tricks on how to effectively switch to Connext DDS Secure from a Connext DDS system, based on the experience we have acquired from customers who are already using the product. Finally, we will cover the main changes introduced in the Connext DDS Secure 6.0 release (and upcoming 6.0.1 release), and the benefits these enhancements offer.

    Watch this webinar and learn how Connext DDS Secure 6.0 can help you take control of your DDS-based system!

    Webinar highlights:
    - Benefits of using Connext DDS Secure to help secure your DDS-based system
    - How Connext DDS Secure works with an existing DDS system
    - The new features of Connext DDS Secure 6.0, and the upcoming 6.0.1 release
  • Using XML Application Creation to simplify development in RTI Connext DDS Micro Recorded: Sep 25 2019 45 mins
    Valentin Perez - Software Engineer at RTI and Francisco M. Merino - Senior Software Engineer at RTI
    XML-Based Application Creation is a mechanism to simplify and accelerate the development and programming of Connext DDS applications. User systems can be easily prototyped on a PC using Connext DDS Pro and quickly migrated to the final hardware. This can be useful in many situations. For example, autonomous vehicle developers using Connext DDS Micro 3.0.0 have a direct path to ASIL D safety-certified systems.

    Connext DDS supports the use of XML for the complete system definition. This includes not only the definition of the data types and Quality of Service (QoS) settings, but also the definition of the Topics, DomainParticipants, and all the Entities they contain (Publishers, Subscribers, DataWriters and DataReaders). XML-Based Application Creation is already supported by Connext DDS Professional.

    Starting with RTI Connext DDS 6.0.0, XML-Based Application Creation can also be used to configure Connext DDS Micro applications through a utility called RTI Micro Application Generator (MAG). MAG generates source code from an XML configuration file that will be used to create DDS entities and registers all the components needed for a Connext DDS Micro-based application.

    Watch this webinar for a live demonstration and to learn:

    - The benefits of using XML to define your Connext DDS application
    - Requirements to work with XML Application Creation
    - XML Application Creation differences in Connext DDS Micro and Professional and how to migrate from Connext DDS Pro XML Application Creation to Connext DDS Micro XML Application Generator.
    - What is Micro Application Generator (MAG) and how to use it.
Delivering data when and where you need it
Enabling intelligent architecture by sharing information in real time, RTI makes large applications work together as one. With over 1,500 deployments, across different industries RTI is the largest software framework provider for smart machines and real-world systems. Learn more: rti.com

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  • Presented by: Mark Swick, System Architect, RTI
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