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Introduction to Protocol Buffers (LFS145) Target Audience for Introduction to Protocol Buffers (LFS145)The Introduction to Protocol Buffers (LFS145) course equips IT professionals with essential skills in data serialization, enabling efficient data communication across diverse systems.Software DevelopersData EngineersBackend EngineersMobile App DevelopersCloud EngineersSystem ArchitectsDevOps EngineersTechnical Project ManagersIT ConsultantsData ScientistsNetwork EngineersAI/ML PractitionersLearning Objectives - What you will Learn in this Introduction to Protocol Buffers (LFS145)?Introduction to Course Outcomes:The Introduction to Protocol Buffers (LFS145) course focuses on understanding data serialization using Protocol Buffers, preparing students to effectively implement and utilize this technology in various applications.Learning Objectives and Outcomes:Understand the fundamentals of Protocol Buffers and its advantages over XML and JSON.Define Protocol Buffer schema and its syntax.Use the Protocol Buffer compiler to generate code in various programming languages.Serialize and deserialize data effectively using Protocol Buffers.Implement versioning to maintain backward compatibility in data structures.Test Protocol Buffer messages for integrity and correctness.Integrate Protocol Buffers with gRPC for efficient service communication.Explore advanced features like nested messages and enumerations.Analyze performance metrics and optimize Protocol Buffer usage.Gain hands-on experience through practical examples and exercises. Suggested Courses

Protocol Buffers is an advanced programming utility developed by Google Inc that allows seasoned developers to reorganize the way they are serializing structured data.Built from the ground up to recreate the functionality of XML in a smaller, faster, and simpler way, Protocol Buffers (also known as protobuf) has managed to prove itself as a platform-neutral, language-neutral, and highly modular programming mechanism that can process structured data in new and enticing ways. With it, software developers are empowered to precisely define the way their data will be structured, create custom code with help of an automated code generation tool, and take full control over the ways data streams are written and read.And the best thing yet, It can b... Read More » Why choose FileHorse?SecureSecurely download files from our super-fast and secure dedicated linux serversSafeThis product is 100% safe has been successfully scanned with more than 54 antivirus programsTrustedWe serve all files as they were released. We do not use bundlers or download-managers

MQTT directly but instead will connect to a EON node probably using polling and report data to the EON device.The EON node will publish data for the device using DDATA topic and receive commands for the device on the DCMD topic.The EON node will publish DBIRTH and DDEATH messages for the connected devices.Using The MQTT Tools mosqutto_pub and mosqutto_sub with SparkplugUnfortunately these tools cannot be used with Sparkplug as they don’t understand the message payload as shown in the screen shot below:Python Sparkplug Message MonitorThis is an extension of the MQTT monitor I created a few years ago. It allows you to subscribe to a Sparkplug topic and displays data in a readable format.There switch -v will display topic and message and the default is to display topic only.Used in verbose mode e.g.sparkplug-monitor -h test.mosquitto.org -t spBv1.0/# -vwe get.To work the monitor needs to decode the Google protocol buffers and this uses two files available on github but also included with the download. They aresparkplug_b.pysparkplug_b_pb2.pyI placed them in the same folder as the Sparkplug monitor file but they can go anywhere provided they are locatable by the module.SummarySparkplug messages payloads use Google protocol buffers for encoding the message data.The contents of messages depends on the message type and the each message type has mandatory fields that are detailed in the specification.Sparkplug and Node-RedI have a demo node-red Sparkplug monitor that you are free to try and feedback is appreciated.Questions and OpinionsI like the topic structure and the birth messages but find Google protocol buffers complex when compared to JSON, but they may be required in certain use cases.I can see a case for a hybrid model of Sparkplug type topic structure and JSON payloads.Resources:Sparkplug specificationRelated TutorialsIntroduction to MQTT +Sparkplug For IIOTHow MQTT worksLatest Posts and Other NewsDon't forget to Subscribe and receive notifications of new posts and videos direct to your inbox.Please rate? And use Comments to let me know more