Open Source Project Flogo for IoT Edge Apps and Lightweight Microservices

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Kai Wähner Technology Evangelist [email protected] LinkedIn @KaiWaehner www.kai-waehner.de November 2016 Open Source Project Flogo for Integration of the Internet of Things and Ultra-Lightweight Microservices

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© Copyright 2000-2016 TIBCO Software Inc. • an ultra-lightweight integration framework powered by Golang • open source and easily extendable • used to develop IoT edge apps or cloud-native / serverless microservices • complementary to other integration solutions and IoT cloud platforms Key Takeaways Flogo is …

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© Copyright 2000-2016 TIBCO Software Inc. Internet of Things (IoT) … refers to the ever-growing network of physical objects that feature an IP address for internet connectivity, and the communication that occurs between these objects and other Internet-enabled devices and systems.

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© Copyright 2000-2016 TIBCO Software Inc. Integration Key for Success of IoT Projects Without Integration there is no Internet of Things! Gartner Market Guide for IoT Integration “Through 2018, half the cost of implementing IoT solutions will be spent on integration. “ Strategic Planning Assumption, Benoit J. Lheureux, Massimo Pezzini, Alfonso Velosa !

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© Copyright 2000-2016 TIBCO Software Inc. Hybrid Integration Platform (HIP) Application Integration Application Integration (on a PaaS) iPaaS Integration Platform as a Service iSaaS Integration Software as a Service Cloud-Ready Cloud-Native API Management On Premise Public Cloud Public Cloud Public Cloud On Premise Public Cloud Process Integration Business Process Management Platform Streaming Analytics Fog Computing Edge Devices Edge Integration Analysts are sure: HIP is “the new default” in most enterprises!

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Much lighter to run not only in the cloud but also on devices 50X lighter than Java Dropwizard 20X lighter than IBM Node-Red

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Project Flogo IoT Example

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Flogo Concepts to the End User Trigger Flow Activity Error Handler Flogo App One or more Flows Flows Activities + Transitions + Optional error handler Triggers Starts those flows

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Build Cloud-Native, Lightweight Microservices • Public Cloud • Containers on PaaS • Serverless Architectures © Copyright 2000-2016 TIBCO Software Inc. Use Cases for Flogo IoT Edge Apps • Consumer • Industrial IoT

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Typical IoT Integration Scenario What’s wrong with Cloud-only IoT Integration? • Connectivity is unreliable • Non-trivial latency in hops • Networks costs add up quickly

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A better IoT Integration Blueprint • Local control = more reliable • Less traffic = Lower TCO • Edge integration & event processing

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How do you build edge apps today? Java • Heavy (>200MB) • Not agile • Robust • Licensing risk NodeJS • Lighter (~70MB) • Agile • Not IoT robust • Clear licensing C/C++ • Lightest • Not Agile • Robust • Clear licensing

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© Copyright 2000-2016 TIBCO Software Inc. Why Go? Modern programming language Getting a lot of traction due to usage in frameworks like Docker or Kubernetes Concurrency Built into the language (Goroutines, channels, no explicit thread programming) Memory management Modern Garbage collector Statically typed Type-safe development with no “surprises” during runtime “Partly” object-oriented Simple and flexible type system, composition instead of inheritance Zero-dependency programming model All-included binary file, no dependent “external” libraries Speed Ultra fast compilation and startup time, very lightweight footprint

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So what is the Difference? Hardware OS VM - JVM Framework - OSGi App Eclipse Kura Hardware OS VM – V8 Framework – Node.js App Node-RED Hardware OS App Flogo Typically 100s of dependencies – 100MB+ “All included” zero- dependency model enabled by to Golang

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Comparison – Resource Requirements of IoT Frameworks Eclipse Kura Node-RED Flogo VM JVM V8 Golang Base Disk Space 59 MB 56 MB ~ 0 MB Base Runtime Memory ~ 170 MB (with Open JDK) ~ 20 MB (with Oracle Embedded Java) > 50 MB ~ 5 MB Startup time Slow (~8 sec) Slow (~5 sec) Fast (~1 sec) Application Build Slow Not Applicable Fast (~2 secs)

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Flogo Repositories on Github flogo-lib Core libraries. flogo-services Backing services required by Flogo for flow and state management. flogo-contrib Flogo extensions available out of the box, like triggers or activities. flogo-cli A command line tool to build Flogo apps. https://github.com/TIBCOSoftware/flogo (very permissive open source BSD license) Web Designer coming very soon – free to download and use!

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Flogo Architecture Trigger(s) Action Activity Activity Activity Flow Your custom Go code github.com/TIBCOSoftware/ flogo-lib/core/action Custom Action App Flow Service State Service

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© Copyright 2000-2016 TIBCO Software Inc. • Wire together hardware devices, APIs and online services • Integrate and orchestrate stateless devices and microservices • Transform / Filter / Route / Aggregate / Enrich • Error handling, Re-Try, Re-Routing, Wait, Resume, etc. • State Management via State Service and Flow Service • Device activiation and diagnostics, performance management, ... • Recover from faults, continue where a device crashed, … • Not just a dataflow pipeline • Synchronous and asynchronous communication Flogo is a Process Engine

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© Copyright 2000-2016 TIBCO Software Inc. • Open source framework (permissive BSD license) • Ultra-light footprint (powered by Go) for edge devices (disk and memory) • Zero dependency model • Can be run on a variety of platforms (edge devices, on premise, cloud, container) • Deployable on small computers or directly on (even very small) devices • Connectivity to IoT technologies (MQTT, CoaP, REST, …) • Highly optimized for unreliable IoT environments • For developers / integration specialists / citizen integrators • Web UI for visual coding, testing, debugging • Extendable SDKs / APIs • Some innovating features and attributes • Step-back debugger • Remote Operations and Analysis • Etc. Characteristics

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Web-Native Step-Back Debugger • Step back in a flow • Interactively design/debug your process • Simulate sensor events • Change data or configuration and run from Trigger or any Activity • Underlying technology could be used to support remote ops debugging of failed flows

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Outlook: Flogo Nanoservices on Microcontrollers Flogo nanoservices that target microcontrollers like ARM M0 Offload I/O centric compute farther off to the edge.

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Outlook: Conversational User Experience with Design Bots Conversational Design Experience Flow-based User Interface …coming in 2017.

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Intel IoT Reference Architecture Potential Flogo use cases • Event-driven flows & rules • Device Lifecycle Mgmt • User Experience Core Integration Agile Microservices API Management

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Amazon IoT Reference Architecture Potential Flogo use cases • Event-driven Flows • Device Lifecycle Mgmt • Orchestration Core Integration Agile Microservices API Management

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Google IoT Reference Architecture

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© Copyright 2000-2016 TIBCO Software Inc. Serverless Architecture with IBM’s OpenWhisk (Open Source) https://apiguy.tokyo/2016/03/01/openwhisk-a-world-first-in-open-serverless-architecture/ Flogo Edge App Flogo Edge GateWay Ultra- Lightweight Serverless Flogo App

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Questions? Please contact me! Kai Wähner Technology Evangelist [email protected] @KaiWaehner www.kai-waehner.de LinkedIn