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RTI Technical Road Show SPAWAR SD


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Presentation from October 2012 RTI Technical Road Show. …

Presentation from October 2012 RTI Technical Road Show.

Agenda Highlights:

How the DDS standard fosters information sharing and interoperability across systems of systems while driving down development, integration, maintenance, upgrade and acquisition costs

The latest 5.0 release of RTI's DDS solution and future roadmap, including enhanced security, support for integration patterns common in C2 systems, FAA DO-178C Level A certification, and DDS standardization initiatives

RTI's new Open Community Source license, which provides free-of-charge access to RTI DDS and allows it to be freely shared across projects and organizations

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  • This chart illustrates the impact of system scale on the time and cost required for integration. Integration time goes up exponentially as the number of applications and system components increases. With two applications, there are only up to two data flows to handle, from A to B and B to A. With five applications, there are 20 potential connections in a system. With 25 applications, there are 600 potential connections. With 100 applications, which is not unusual in a system of systems, there are nearly 10,000 potential connections. That’s why integration and upgrades can take years.Costs also increase over time as the systems themselves become larger, more complex and less maintainable.
  • Interoperability reduces the integration burden:Components that are directly interoperable don’t need to be integratedComponents that provide a well-defined interoperability interface can be easily composed without having to do any reverse engineering or code inspection
  • Interoperability reduces the integration burden:Components that are directly interoperable don’t need to be integratedComponents that provide a well-defined interoperability interface can be easily composed without having to do any reverse engineering or code inspection
  • Composition – compose systems of systemsDecomposition – decompose systems/subsystems/applications into modules, monolithic  open architecture
  • -Goal is obtain writers and readers needed to do the important work-The process is clearly defined
  • Scalability enhancements include the following.Enhanced writer-side filtering, now supporting unlimited remote readersGreatly reduced gap and heartbeat messagesOptimized writer-side filtering that is independent of the number of remote readers
  • This is the OMG Secure DDS architecture. The DDS security design allows plugins for all key functionsAll vendors will implement interoperable plugins (the spec includes wire & plugin API)Security specialists can build advanced pluginsThe proposed security architecture will be configurable via newly added QoS polices, while remaining open and extensible via “plug-in” APIs so that customers can integrate with pre-existing Identity Management Mechanisms, Access Control Policy repositories, or cryptographic libraries which might be program or project specific. TAn interoperable implementation of the plug-ins will also be part of the OMG standard. The plug-ins can be enabled or not. RTI is going to implement standard plug-ins, so that interoperability with other vendors is maintained. When security is enabled, customers can use the interoperable plug-ins as the base level security or their own custom based ones. The standard plug-ins will provide authentication, access control, encryption, key management and data tagging capabilities. High security systems may want to implement custom plugins. We're working with people like Tresys to develop some higher security and more complex plug-ins for systems that require more than the typical off-the-shelf interoperability security.
  • The baseline configuration provides a minimal feature set.The problem is that the required minimal feature set is application-dependent.The solution is to offer a user-configurable feature set.Note RTPS is not in the baseline configuration, enabling efficient intra-process communication.
  • Additional features and QoS (beyond the baseline configuration) are selectively enabled either at compile-time or run-time. This is done to minimize the library size.The optional feature sets are the main theme of the next EAR.QoS management includes getting/setting QoS and changing default QoS.Entity management includes getting, deleting and ignoring entities. This includes getting remote entity information. Note the baseline configuration only supports deleting all contained entities at once.
  • This slide lists the discovery protocols supported by the baseline configuration.The protocols are plug-in components.Dynamic and quasi-static discovery are supported by the current EAR.
  • Transcript

    • 1. Your systems. Working as one.RTI Technical Road ShowOctober 11, 2012
    • 2. RTI Invests in Standards
    • 3. DDS: The Interoperability Standard forMission Critical Systems• Data Distribution Service from OMG• OMG: world’s largest systems software standards org – 470+ members – UML, DDS, CORBA, more• No vendor lock-in – ~12 implementations – Proven interoperability – Choice of middleware vendors – Choice of subsystem vendors
    • 4. Navy Embraces OA • Next-generation of the U.S. Navy Aegis Weapon System, by Lockheed • Highly distributed system including radar, weapons, displays and controls • Standards-based, high- performance middleware avoids vendor lock-in and future-proofs the architectural design
    • 5. Government Adopts Standards• Dominant in military – DISA: DISR mandated – Navy: Open Architecture, FORCEnet – Air Force, Navy and DISA: NESI – Army, OSD: UCS – NATO, UK MOD, South Korea, many more• Many other applications – Air traffic control, industrial automation, transportation, medical• Hundreds of active programs – Multiple interoperable implementations
    • 6. New Government Standards
    • 7. Interoperability between the applications demonstrated bysix different vendors in 2012 OCI ETRI PrismTech IBM RTI TwinOaks © 2012 RTI 7
    • 8. Your systems. Working as one.Working as One™
    • 9. Agenda• DDS standard – Motivation – Applicability• RTI Connext – Overview – What’s new• RTI’s Infrastructure Community (IC) model – RTI DDS free as Open Community Source – Low-cost commercial licenses and support
    • 10. Trend: Increasing System ScaleDrivers• Increased situational awareness, information sharing• Responsiveness, timeliness, speed of command System of systems Implications • More CPUs, nodes, apps, data • More developers, teams, suppliers, integration
    • 11. Cost Constrains ScaleLimits Information Sharing & Connectivity O(n2)Time & cost of integration, maintenanceand upgrades System Scale and Age
    • 12. Challenges• Business – Cost reduction: lifecycle and procurement Development, integration, maintenance, upgrades Legacy system integration and modernization – Agility: timely fielding of new capabilities• Technical – Scalability: information volume – Reliability and availability
    • 13. Solution• Interoperability – Easily share data across (sub)systems – Minimize need for integration – Goal: “plug and play”• Modularity – Decompose systems into interoperable components – Components can evolve and be competed independently – Reduces complexity• Decentralization – Systems of systems are inherently distributed, span organizations – Eliminates performance bottlenecks
    • 14. Achieving Interoperability• Communicate via explicit, well-defined interfaces – Independent of: • Implementation • Programming language • Platform (operating system, CPU type) • Physical location, proximity (edge, data center, cloud, same server) – Standard network protocol• Integration requires no knowledge of internals – No need for reverse engineering, code inspection• A lingua franca – Integration effort is O(1) to O(n), not O(n2)• Components are evolvable, interchangeable, swappable, shareable, reus able• Foundation of SOA, OA
    • 15. DDS Enables Interoperability Independently developed and loosely coupled software modules, applications, subsystems and systems S/W S/W S/W S/W Data Distribution Service
    • 16. DDS Overview• Standardizes: Cross-vendor source portability – Means to define domain- and system-specific interfaces – Network protocol – Programming interface Standard API Schema• Designed for mission-critical systems, systems of systems DDS Implementation Data centricity, QoS – Decentralized – Scalability Standard Protocol – Availability – Disparate Quality of Service requirements Cross-vendor interoperability
    • 17. DDS ApplicabilityComposition, Systems of Systems Decomposition Mission Vehicle Mapping Planning Comms Data Distribution Service Data Distribution ServiceIncrease: • Enable reuse, sharing,• Information sharing competition• Responsiveness • Simplify maintenance, upgrades – Decouples components – Eliminates complexity
    • 18. Deployment Integration Bus Native Interoperability Interface Disparate Disparate Component Component Natively Natively DDS or other protocol Interoperable Interoperable Adapter Adapter Component Component API DDS Library DDS Library DDS Library DDS Library DDS-RTPS Wire Interoperability Protocol• Alternative to traditional Enterprise Service Bus (ESB)• Open: integration logic not specific to an ESB implementation• Decentralized for high scalability and availability
    • 19. Paradigm:Data-Centric Publish/Subscribe Subscribe Publish Line Fligh Dest Arv t UA 567 SFO 7:32 Lin Fligh AA 432 LAX 9:15 Squawk e t Lon 1234 UA 567 Squawk Lat Alt g 7654 AA 432 1234 37.4 -122.0 500.0 7654 40.7 -74.0 250.0 Virtual Global Data Space• Components: – Publish the data they produce – Subscribe to the data they consume• DDS middleware: – Routes data between matching publishers and subscribers – Maintains consistent shared state
    • 20. DDS Data Centricity Component Component Component Optional Persistence DDS DDS DDSLike a database• Simple integration – Data and schema are discoverable – Producers and consumers are decoupled – New components don’t impact existing ones – Standard, application-independent CRUD operations: Create, Read, Update, Delete – …not specific to data source, type of processing/algorithms, or business processes• Fosters information sharing• Single source of truth – Robust – Temporal decoupling – Automatic state synchronization
    • 21. DDS Data Centricity Component Component Component Optional Persistence DDS DDS DDSUnlike a database• Event driven for real-time and low-latency processing• Decentralized – Highly scalable: no performance bottlenecks or expensive servers – No single point of failure: non-stop availability – Peer-to-peer communication: low latency• Data cached locally for instant access
    • 22. DDS Quality of Service Reliable, 2 Hz, Reliable, Western U.S. 100 Hz Fligh Line Dest Arv t Reliable UA 567 SFO 7:32 Lin Fligh AA 432 LAX 9:15 Squawk e t Lon Best Effort, Squawk Lat Alt 1234 UA 567 g 1 Hz, SAN area 7654 AA 432 1234 37.4 -122.0 500.0 Best Effort, 0.2 Hz, 7654 40.7 -74.0 250.0 UA flights• Each component specifies its QoS capabilities and requirements – Data volatility: Durability, History, Lifespan – Data delivery: Reliability, Time based filter, Content filter, Deadline – High availability: Liveliness, Ownership, Ownership Strength• DDS implements and enforces contracts
    • 23. DDS QoS Benefits Reliable, 2 Hz, Reliable, Western U.S. 100 Hz Fligh Line Dest Arv t Reliable UA 567 SFO 7:32 Lin Fligh AA 432 LAX 9:15 Squawk e t Lon Best Effort, Squawk Lat Alt 1234 UA 567 g 1 Hz, SAN area 7654 AA 432 1234 37.4 -122.0 500.0 Best Effort, 0.2 Hz, 7654 40.7 -74.0 250.0 UA flights• Reduces complexity and • Efficiently scales with data volumes associated lifecycle costs – Only required data is distributed, delivered – Decoupling: publishers don’t need – Reduces network and processor overhead to know subscribers’ requirements • Fault tolerance – Disparate subscribers almost always have different requirements – Redundancy management – Moves logic from applications to – Components notified if QoS not satisfied or DDS middleware connectivity lost – Can take remedial action
    • 24. Support for Mission-Critical Systems• Autonomous operation – Automatic discovery of applications – Requires no system admin or centralized infrastructure• Non-stop: no single point of failure• QoS provides visibility into real-time behavior and system health• Embeddable• TRL 9 implementations
    • 25. Integration Approaches Point-to-point, application-centric Tightly coupled: complex, stovepipe, brittle Integration logic embedded in apps High lifecycle costs: development, integration, maintenance & upgrades Poor information sharing, robustness (state maintained in each app) Centralized ESB Poor scalability and performance Database Single point of failure: slow failover Broker Ill-suited for autonomous systems ESB integration logic is vendor- specific, can be complex within ESB DDS Database’s simplicity, information sharing & robustness Highly scalable, available, performant Suitable for critical, autonomous, real-time, embedded Integration logic is vendor independent
    • 26. Asset Tracking Legacy design: • 12,000 tracks • 11 servers with 88 cores • Poor reliability and uptime • 1.5M SLOC • 2-8 years to develop • Custom, proprietary DDS design: • 250,000 tracks • 80% of a single core • Full redundancy • 50k SLOC • Proof of concept in under a week • 100% standards based
    • 27. DDS Summary• Enables interoperability and portability by standardizing: Cross-vendor source portability – Interface definitions – Network protocol – Programming interface• Applicable to system composition and Standard API Schema decomposition• Data-centric publish/subscribe DDS Implementation – Simplifies integration Data centricity, QoS – Fosters information sharing – Improves robustness, particularly as systems scale Standard Protocol• Satisfies scalability, reliability and QoS requirements of mission-critical system Cross-vendor interoperability
    • 28. RTI ConnextReduce the time, cost and risk of system development and integrationwith the most proven, mature and comprehensive DDS solution
    • 29. RTI Connext Product Family Disparate New and Upgraded Apps with Native Interoperability Apps/Systems API: Full DDS DDS++ & JMS DDS Subset Adapters Connext Connext Connext Connext DDS Messaging Micro Integrator DDS-RTPS Interoperability Administration Recording Monitoring Replay System Viz Logging Connext Tools
    • 30. Connext DDS• World’s leading DDS implementation• 70+% market share• 500+ customers• 315+ university and IR&D projects• 350,000+ deployed copies• Most versions are TRL 9• Includes library source code• DDS core is free as Open Community Source
    • 31. Example CustomersU.S. Defense International Defense AutomotiveBoeing – AWACS Base10 – RoboScout AudiBoeing – B-1B Cassidian – GCS VWGeneral Atomics – GCS QinetiQ – test & evaluation MedicalLockheed Martin – Aegis QinetiQ – vehicle integration DocBoxNorthrop Grumman – CLIP Rheinmetall – camp protection MevionRaytheon – DDG 1000 Saab – naval CMS VarianRaytheon – SSDS Samsung –naval CMSRaytheon – LPD-17 Ultra Electronics – OA platform Industrial Control Nikon – semi mfgNASA Transportation Schneider - PLCsConstellation launch control ATLANTIDA – ATM Siemens Wind PowerHuman Robotic Systems City of Tokyo – HighwayRobonaut Wi-Tronix – asset tracking Simulation CAE – flight simulatorScience IT Force Technology – tugboatESO – Telescope Paremus – cloud platformMax Planck – nuclear fusion PIMCO – bond trading TelecomSchilling – UUV Xuenn - sports betting Harmonic – video IPC – VoIP 32
    • 32. Application Code <XML> Data Types Interface Dynamically Generated Custom Pre-defined Compiler defined (API)Interface Definitions APIs – event-driven, polled & SQL query• IDL• XML / XSD DDS: C, C++, C#, Java, Ada*• WSDL Data-Centric Publish/Subscribe Local API & remote Quality of Svc Monitoring* API & file-basedPluggable Discovery <XML> Automatic History Peer-to-peer Discovery Cache File-based* Custom Reliability • Serialization • DDS-RTPS Wire Protocol ucast & mcast ucast & mcast Memory Custom Shared UDPv4 UDPv6 TCP Pluggable Transport Interface Operating System and Network Stack Windows, Linux, Unix, embedded, RTOS *Add-on
    • 33. Included Tools• Spreadsheet Add-in for Microsoft Excel• Wireshark protocol analyzer
    • 34. New with 5.0: Type Extensibility• DDS Topics are strongly typed struct Track { long id; //@key – Safety float range; float bearing; – Wire efficiency }• New XTypes interface allows types to be extended Compatible – Dynamically or not? – While retaining type safety• Subtype relationships match struct AirTrack { long id; //@key float range; publications and subscriptions float bearing; float elevation; – Subscriptions to Track match } publications of AirTrack
    • 35. New Experimental Feature:XML-Based Application Creation• Use XML for complete system definition – Data Types – Quality of Service settings – Topics – All Entities: DomainParticipants, Publishers, Subscribers, DataWriters and DataReaders.• Benefits – Share system configuration – Reduce code size and errors – Simplify & Speedup development – Let developers focus on application the behavior – Prototype and execute without writing any code!!
    • 36. Replaces Configuration and Setup Code Create Participant Register type Static Create Topic Create Create Publisher Subscriber Create Writer Create Reader Do theBehavioral important work
    • 37. New Experimental Feature:Connext Prototyper• Command-line tool included with XML Application Creation SDK• Try out scenarios directly from their XML descriptions, without writing any code! – Directly see applications execute on the network – See impact of QoS, Topic Designs, Data Type definition… – Specify data-values/ranges and publication rates per topic
    • 38. Connext Messaging:Built on Connext DDS• Additional enterprise integration patterns – Request/reply – Guaranteed messaging• Persistence service• Java Message Service (JMS) API• Additional transports – Secure (TLS, DTLS) – WAN• Future: – New security plugins – REST API
    • 39. Application Code <XML> Data Types Dynamically Generated Custom Pre-defined Interface defined (API) Compiler Request/reply, Guaranteed MessagingInterface Definitions APIs – event-driven, polled & SQL query• IDL• XML / XSD DDS: C, C++, C#, Java, Ada* JMS• WSDL Data-Centric Publish/Subscribe Local API & remote Quality of Svc Monitoring* API & file-basedPluggable Discovery <XML> Automatic History Peer-to-peer Discovery Cache File-based* Custom Reliability • Serialization • DDS-RTPS Wire Protocol TLS & DTLS ucast & mcast ucast & mcast Memory Custom Shared UDPv4 UDPv6 WAN (SSL) TCP Pluggable Transport Interface Operating System and Network Stack Windows, Linux, Unix, embedded, RTOS *Optional
    • 40. New with 5.0: Integration Patterns• Request/Reply: • Guaranteed Messaging: Process commands Ensure action – Remote method invocation – Persistent publications – Request/async reply – Durable subscribers – Request/multiple-reply – Application – Request/multiple repliers acknowledgement Reply Replier A Publisher Subscriber Message Message DurableRequester Replier B Subscriber Message Request Replier C Message
    • 41. New with 5.0: Enhanced Scalability • Optimized writer-side filtering – Unlimited remote readers – Greatly optimized protocol* • Ultra-scalable request-reply Subscriber – 1000s of clients Temperature Update Turbine 1 Publisher Subscriber Publisher Temperature Temperature … Updates Update Turbine 2 Subscriber Temperature Update Turbine N* Still DDS compliant, backwards compatible
    • 42. Persistence ServicePublisher Subscriber Domain Subscriber Persistence Service • Data availability, even if publisher fails • Reduced load and memory for data writers
    • 43. OpenSSL for TLS and DTLS• OpenSSL: dominant industry solution for TLS• Point-to-point: TLS over TCP, DTLS over UDP• Integrity, authentication and encryption – Authentication: X.509 based – Encryption: wide selection• FIPS 140 Level 1 certified• Applied at the DDS DomainParticipant level
    • 44. Future Security Support• Finer grained access control – Topics – Read/write• Multicast encryption – One encryption per sample – …not per subscriber• Built-in key distribution
    • 45. OMG Secure DDS Submission certificates application component App. App. App.Authentication Secure DDS KeyPlug-in middleware Management ? Plug-in Other OtherAccess Control Other DDS DDSPlug-in DDS Entities Cryptography DDS System System Plug-in SystemAuditing Protocol DataPlug-in Engine cache Secure Transport TAG Encrypted Data Network
    • 46. Future: REST Interface Preview Available Now• Web interface to DDS• Access DDS from any application, platform or language that can invoke a Web Service DDS-RTPS – Web applications, e.g., Google Maps – JavaScript, Flash, Perl, PHP, Python, CGI scripts• Lightweight – Clients do not need to link or load HTTP special libraries• Basis for RTI submission to OMG Web-Enabled DDS standard
    • 47. Connext MicroGenerally Available this Week!• Scalable product line to accommodate resource constrained environments – Small memory footprint (~200KB library) – Low CPU load (< 10%)• Designed to be certifiable component – Minimal lines of code (~20K ELOC) – Targeting DO-178 Level A• Follows OMG DDS specification – Wire protocol RTPS compatible – Seamless integration with other DDS implementations – Subset of standard DDS API © 2012 RTI 48
    • 48. User-Configurable Feature Set User Application Listeners Base-line configuration Optional Compile-time options APIs DDS API Subset Reliability Transport API OS API Queue API Discovery API Durability & History RTPS Other QoS Static UDPv4 Linux 2.6 Linear Q Discovery Dynamic APEX VxWorks 653 Keyed Q Discovery Shared VxWorks 5.5 memory Required plug-in components Connext Micro © 2012 RTI 49
    • 49. Platform Support• Mainstream 32/64-bit processors• 16-bit micro-controllers with 32-bit integer support• Operating system support – Windows, Linux – VxWorks, VxWorks Cert, VxWorks 653, FreeRTOS – Preview: iOS, Android• Source code included for easy porting to other platforms• Platform plug-in API
    • 50. Compatibility• Interoperable with general-purpose edition – RTPS 2.1 compliant• Directly compatible with – rtiddsgen – Wireshark – Routing Service• Compatible when using dynamic discovery or via Routing Service – Spreadsheet Add-in for Microsoft Excel – Real-Time Connect – Recording Service
    • 51. Connext IntegratorCompose Systems of Systems• Adapts non-DDS applications to DDS (e.g., legacy)• Transforms between incompatible data models to achieve interoperability• Bridges DDS systems – Across networks – LAN and WAN – Across security domains
    • 52. Routing Service App Administration • Monitoring DDS-RTPS, JMS, sockets Adapter SDK QoS • Security Transformation (built-in and SDK) Data-Centric Publish/Subscribe DDS-RTPS
    • 53. Database Integration Service DDS App Non-real-time applications Real-time data updates Database changes DDS App Database Integration Svc SQL Database Table.Tracks Table.Passengers Flt Lat. Long. Flt Name Addrs ---------------------- ---------------------- C129 34.5 102.3 C129 A. Johnson … C054 27.7 46.8 C054 J. Smith …. DDS App … … … …Communications Storage
    • 54. Connext Tools
    • 55. Recording • Applications: • Record high-rate data arriving in – Future analysis and debugging real-time – Regulatory compliance • >15,000 messages/updates per – Replay for testing and simulation second per disk purposes • Non-intrusive Publisher Subscriber Domain Publisher Subscriber Status Control Topic Topic Recorder File DB
    • 56. Playback• Real-time playback of data – Captured by RTI Recorder – From any number of topics DDS• Applications: – Debugging – replay what happened – Live post-mission analysis, e.g., UAV – Replay for simulation and training Playback Data• Non-intrusive Log – Just another publisher – Transparent to subscribers
    • 57. RTI Analyzer Detailed system topology display Displays QoS settings Helps debugging Writer to Reader connections Helps to Track and tune QoS parameters Helps in diagnosing unusual behavior
    • 58. Application Monitoring Features• Detailed statistics on traffic, errors, and resource usage• Detailed system topology display• Configurable alerts and thresholds• Helps to Track and tune performance• Helps in diagnosing unusual behavior
    • 59. Admin Console• Centralized console for infrastructure • Dashboard summary of all running services • Live status updates • Live distributed logging • Real-time statistics • System Performance statistics (CPU and memory)• Remote administration of Connext Integrator • GUI interfaces for sending remote commands • Retrieving and updating current configurations • Built-in XML editor for modifying configuration files• Built on top of Eclipse
    • 60. System Overall Health
    • 61. RTI Connext Add-on Products• Limited bandwidth transport• CORBA compatibility kit• Ada 2005 language support• Add-on for National Instruments LabView
    • 62. Limited-Bandwidth Transport• Designed specifically for wireless or satellite comms• Limited-Bandwidth RTPS Transport Plug-in – Increases data to packet ratio• Compression Transport Plug-in – Further optimizes data to packet ratio• Quasi-static Discovery Plug-in – Reduces meta-data traffic – Minimizes system set-up and reconnection times• Simulator – Packet drops, limited bandwidth
    • 63. RTI’s Infrastructure CommunityBusiness ModelLicensing and pricing to enable common architecture
    • 64. Infrastructure CommunityBusiness Model• Facilitates adoption of a DDS software infrastructure and interoperability interface• …across development projects and organizations• Community members get RTI DDS for free – Open Community Source license – Modifiable – Redistributable
    • 65. What Is an Infrastructure Community?• Any community sharing software – Seeking a common or interoperable software infrastructure – Across projects, divisions, companies, programs• Examples – Software supply chains – Enterprises or corporate divisions – Government or industry standards communities (FACE, UCS, COE, ICE) – Large projects• “Everyone you care about”
    • 66. Infrastructure Community Model• Free core RTI DDS for entire IC – Full source & binary for latest RTI DDS • Windows & Linux pre-built binaries • Share source & binaries within IC (original and modified) – Royalty free – Optional support on a time and materials basis• Low-cost commercial product for projects – Subscriptions start at $1,000 per developer (U.S.) – Adds tools, advanced functionality, platforms, transports – Warranty & bounded support costs – Still no royalties or deployment fees
    • 67. Infrastructure Communities Free Project IC: JHU APL Free ProjectPaid commercial license Paid commercial IC: AudiScope: Project Free Project license Scope: Project Paid commercial license Scope: Project Paid commercial Free Project Paid commercial license Free Project license Scope: Project Scope: Project Free Project Paid commercial license Scope: Project Free Project IC: ICE Paid commercial license Scope: Project Paid commercial license Free Project Scope: Project Free Project Paid commercial license Scope: Project
    • 68. Summary• DDS delivers the interoperability, scalability and availability required to cost-effectively integrate mission-critical systems of systems• RTI provides the most proven, mature and comprehensive DDS solution• RTI’s Open Community Source makes it easy to realize DDS’ benefits by facilitating sharing of infrastructure across organizations