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Component Workshop
Toward the next component model generation for distributed, real-time and embedded systems

Monday Afternoon, 1300 - 1800, June 17, 2013

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1300 - 1310 Welcome – Introduction to OMG & Its Component Standards
Object Management Group
The day begins with presentations covering core Component concepts. Presentations in the second session show how standards-based Component software is used in mission-critical DRE applications. The day concludes with an extended session on the proposed next-generation Unified Component Model (UCM). This new initiative will build on established OMG Component-Based Software Engineering and modeling standards; attendees will get an early insight into the thinking driving the new proposals, and learn how they can influence the future direction of this important specification.
SESSION 1:  Foundation Concepts - Component, Container, Connector
- Session Chair: Nawel Hamouche, Ph.D, PrismTech
1310 - 1335 Connectors : A Mechanism to Extend CCM with New Ports
Virginie Watine, THALES
This session will introduce the DDS4CCM specification adopted recently with a specific focus on the Generic Interaction Support (extended ports and connectors) that was incorporated into the standard. This GIS was designed not to be dependent on any DDS specificity, with the goal of being usable for any kind of CCM port (i.e. not only those allowing interaction though DDS). Due to its full genericity, it was then moved to the CCM specification and used to define other types of ports (AMI, events, and others) that will be detailed in other talks. As this mechanism presents a great potential, it is one strong pillar on which the renewed component model will be built.
1335 - 1400 Asynchronous Invocations through Connectors, Custom DDS Connectors, and the IDL to C++11 Language Mapping
Johnny Willemsen, Remedy IT   - (Down Load PDF)
Connectors are a powerful concept as part of current and future component frameworks. This session will demonstrate of how connectors can be used to add asynchronous invocation support to a component framework and how it can be used to provide custom DDS connectors. Secondly we will present an overview of the recently adopted IDL to C++11 Language Mapping. This new IDL2C++11 mapping greatly simplifies the life for a component developer compared to the IDL to C++ mapping. We will highlight several of the simplifications and how this can be used for a C++11 implementation of a component standard.
1400 - 1425 Robotics Technology Component Specification
Geoffrey Biggs and Noriaki Ando, AIST -  - (Down Load PDF)
The OMG Robotic Technology Component (RTC) specification defines a component model for distributed control applications including robotic technology (RT) based systems. By extending the general-purpose component model of UML with domain-specific structural and behavioral design patterns, RTCs can serve as powerful building block in an RT system. After adopted the specification in 2008, various implementations have been developed by several vendors. This talk will introduce the specification, implementations, its applications, and issues to be discussed for the future RTC or more generic component specification.
1425 - 1450 Finite State Machine for Robotics Technology Component (FSM4RTC) RFP
Makoto Sekiya and Toyotaka Torii, Honda - (Down Load PDF)
The OMG Robotic Technology Component (RTC) specification defines a component model for distributed control applications including robotic technology (RT) based systems. By extending the general-purpose component model of UML with domain-specific structural and behavioral design patterns, RTCs can serve as powerful building block in an RT system. After adopted the specification in 2008, various implementations have been developed by several vendors. This talk will introduce the specification, implementations, its applications, and issues to be discussed for the future RTC or more generic component specification.
1450 - 1505 Afternoon Refreshments
SESSION 2:  Use Cases
- Session Chair: Johnny Willemsen, Remedy IT
1505 - 1530 MyCCM a Component Framework Tailored for RTE Systems
Olivier Hachet, THALES - (Down Load PDF)
Thales has invested for several years in the promotion and deployment of component based software engineering (CBSE) based on the lightweight CCM standard. This presentation will explain the progression for the adoption of CBSE from its contribution to the LwCCM standard up to the deployment of the MyCCM framework on several Thales domains today. In many programs, the targeted environments were constrained by strong footprint or real-time requirements that have implied several pragmatic adaptations to fit these constraints that were not reachable natively by the LwCCM standard. These adaptations and the associated return of experience will be an input for future LwCCM evolutions toward a more real-time and middleware agnostic component model.
1530 - 1555 F6COM: A Case Study in Extending Container Services through Connectors
Marcel Smit, RemedyIT - (Down Load PDF)
Component-Based programming models are well-suited for the design, development and deployment off large, distributed, real-time and embedded (DRE) component based applications. Component framework implementations, like CIAO (which implements the OMG's CORBA Component Model (CCM) specification), can be used to develop such applications. Together with DAnCE (which implements the OMG's "Deployment and Configuration of Component-based Distributed Applications Specification") and modeling tools the system development team has a powerful software development kit at hand.

Although CCM is already suitable for developing distributed, real-time and embedded applications, it can be improved in some areas:

  1. CCM is implicitly bound to the CORBA specification. Even in a deployment environment where no CORBA is used, the CCM infrastructure does use CORBA for its own communication.
  2. CCM is currently silent about threading models. The CCM implementation is therefor responsible for delivering suitable threading models. The CCM specification should specify the possible threading models and how they can be configured at run-time. Possible threading models should range from a simple single-threaded, non re-entrant model to more sophisticated multi-threaded models.
  3. CCM lacks support for a standardized way to schedule one-time and periodic timers. This again is left to the CCM implementation, leading to interoperability issues.
  4. CCM does not have any notion for components interacting with physical devices using blocking I/O operations. Interactions between I/O operations and the threading model used in a component are often realized in an ad-hoc manner.

This presentation shows how the above issues were addressed in the Information Architecture Platform (IAP) being developed for the DARPA System F6 Program. IAP is a vertically integrated software platform and includes a software component framework. The F6 component framework resolved the issues by using Generic Interaction Support (GIS). By using GIS, the F6 component framework now delivers a flexible request-reply communication paradigm, a configurable component messaging framework, and has the ability to schedule timer events.

All this together, the DARPA System F6 Program component model is a concrete step in the direction of a Unified Component Model (UCM).

1555 - 1620 Architecting Composite Component Systems for Heterogeneous Environments with Open Standards
Derek Dominish, DSTO - (Down Load PDF)
With the recent adoption of a service oriented architectural (SOA) approach to application development within defence worldwide there is a need to provide architectural guidance coupled with infrastructure mechanisms to assist developers through the implementation process. Applications developed under a SOA approach are more akin to an assemblage rather than the more traditional development methodology of construct and execute. With the introduction of newer style C2 platforms into service within the Australian Defence Force (ADF), including the future delivery of both the JSF and P8 aircraft on the horizon, all of which contain middleware based SOA mission systems, it is expected that SOA will dominate future air defence offerings. Furthermore there is a growing collection of common services to aid in the integration of such systems into the tactical defence environment. However there exists the need to manage the availability of these services and their usage by applications and systems through a common approach to infrastructure, configuration and deployment. This presentation will firstly describe how an application can be assembled with separate and distinct service components to form a composite application and then secondly how these components can be interconnected through a common patterned approach to infrastructure that incorporates elements of CCM with its connectors  through a Gestalt patterned approach. This common infrastructure, based on OMG open standards, is necessary to manage the availability, configuration and deployment of hosted components. This change of emphasis to a patterned approach to application composition and assembly brings with it some unique challenges for both mission system architects and developers alike.
1620 - 1645 Using SysML and Assurance Case in a Robotic Application: Case Study & Tool Demonstration
Kenji Hiranabe, Change Vision, Inc. - (Down Load PDF)
In this session, we share our experience on how to effectively use both SysML and Assurance Case (D-Case) for a sample robotic embedded system. SysML describes the context, requirements, structure and behavior of the domain, whereas D-Case describes dependability goals which should be fulfilled by the system, with strategies, and evidences to achieve the goal. We explain our process of using the both visual languages in parallel to construct the system and dependability accountability at the same time with a short demonstration of our SysML tool, Astah SysML. The sample system is an RTC (Robotic Technology Component)-based robotic application, using Roomba (vacuum cleaner robot) and Kinect.
1645 - 1700 Dynamically Scriptable Distributed Components in Lua using DDS
Dr. Rajive Joshi, Real-Time Innovations, Inc.
Scripting languages are widely used in the software industry to improve productivity by bringing the best of both worlds: flexible and extensible scripting and high performance where necessary. Multi-language applications combine a "kernel" of core functionality written in a compiled language such as C or C++ and "scripts" written in a higher-level language such as Python and Lua.

This presentation describes a Lua-DDS Component Model to script flexible and highly reconfigurable distributed components. Lua is a fast, lightweight, portable, extensible, and stable scripting language, which can be readily embedded in native C/C++ programs. Component business logic is written in Lua whereas DDS-specific activities, such as creating participants, topics, DataReaders, DataWriters are managed by the "container", which is nothing but RTI's XML-Based application prototyper with an embedded Lua engine. The container provides a simple reactive programming model to read/write from/to the DDS bus. No code generation/compilation is necessary, thanks to Lua Tables. Additionally, the container supports run-time updates to the component business logic by simply editing the Lua scripts.

Join us and find out why a tiny language that is older than Java might be your next best friend.

SESSION 3:  Towards a Unified Component Model
- Session Chair: Virginie Watine, Thales
1700 - 1725 A Middleware-agnostic Unified Component Model
Nawel Hamouche, Ph.D, PrismTech
Didier Becu, Gaetan Pruvost, Olivier Hachet, Thales
Johnny Willemsen, Remedy IT
Over the past few years, middleware technologies has proven their value to build an interoperable and networked world. This has been achieved mainly by providing a platform and network independence to the applications. Nowadays, middleware-independence comes as the next requirement for flexibility and reusability in distributed systems development. Middleware independence allows user and organizations to embrace new middleware technologies as the market innovates with minimal impact on their applications, thereby eliminating the threat of technology and vendor lock-in. The benefit is clearly to protect their technology investment and reduce time-to-market with new innovations. Applied to distributed component-based architectures the benefits are strongly increased.

The Lightweight CORBA Component Model is a distributed component-based model that is platform and programming language independent. It is specifically targeted at resource-constrained environments. Its open, generic and flexible architecture enables seamless integration of multiple middleware technologies whatever their patterns are – service-centric, data-centric... The DDS for Lightweight CCM specification is a good illustration of LwCCM‘s ability to host different middleware technologies. Such flexibility is achieved through the concept of Connector. Connectors decouple the component framework from the underlying communication middleware technology. Despite this interesting capability, the LwCCM remains strongly dependent on its historical middleware: CORBA. Even if CORBA is not necessarily used at the application level, the LwCCM internal architecture remains strongly CORBA-aware, as the deployment of such applications still require the deployment of a CORBA Object Request Broker.

This presentation aims to feed the discussions about the future evolution of the LwCCM towards the new Unified Component Model (UCM) standard. The presentation will, first, precisely highlight the LwCCM-to-CORBA dependency points in order to introduce a set of requirements for the UCM standard. Then, it will analyze the impact of these requirements on the LwCCM architecture from both the end-user and the implementer perspectives.

1725 - 1750 Specifying a Unified Component Model with UML and its Extension Mechanism
Ansgar Radermacher, CEA - (Down Load PDF)
This presentation describes an approach based on the UML component model enriched with the profiles MARTE (modeling and analysis of RT/E systems) and FCM (Flex-eWare component model). The latter had the objective to unify the component models of CCM and Fractal. The idea is to support a set of concepts that enable to create application components that are independent of the underlying operating system and interaction communication mechanisms. This is achieved by means of flexibility for the following concepts: a generic interaction support, ports adapted to these interaction mechanisms and configurable container services. As such, it shares many objectives with the upcoming OMG unified component model.

We present the foundation concepts: we can show how to model components, containers and connectors by means of UML components, interception rules and UML connectors referring to dedicated interaction components. We show some examples of interaction components and container services modeled with this approach. For each UML element, we outline the corresponding element in the current CCM specification with the DDS4CCM and QoS4CCM extensions.

1750 - 1800 Wrap Up & Get Involved
Object Management Group

NOTE: If you register for the Technical Meeting Week, you do not have to pay the additional fee(s) to attend any or all of the special events.  If you register only for special events, the special fees apply.

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