Eclipse Kura
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| Eclipse Kura | |
|---|---|
| Name | Eclipse Kura |
| Developer | Eclipse Foundation |
| Released | 2013 |
| Programming language | Java |
| License | Eclipse Public License |
| Platform | OSGi, Linux, Android |
Eclipse Kura is an open source project under the Eclipse Foundation that provides a Java/OSGi-based framework for building IoT gateway and edge computing solutions. It offers services for device connectivity, data collection, local analytics, remote management, and cloud integration, enabling integration with platforms and vendors across the technology ecosystem. Kura is positioned within the IoT stack alongside middleware, cloud platforms, and hardware producers.
Overview
Eclipse Kura originated as part of efforts by organizations such as the Eclipse Foundation, IBM, Eurotech, Red Hat, Fujitsu, Intel, ARM Holdings, and Cisco Systems to create a common IoT gateway runtime. The project aligns with initiatives like Open Connectivity Foundation, Linux Foundation, OpenStack, Cloud Native Computing Foundation, and Industrial Internet Consortium to promote interoperability. Kura targets deployments in domains addressed by Siemens, General Electric, Schneider Electric, Honeywell, and ABB where edge computing, sensor aggregation, and protocol translation are required. Contributions and adoption have involved vendors such as Advantech, Kontron, Raspberry Pi Foundation, BeagleBoard, and NXP Semiconductors.
Architecture
Kura is built on the OSGi runtime architecture and uses the Eclipse Equinox implementation to provide modularity, lifecycle management, and service registry capabilities similar to patterns used by Apache Karaf and Spring Framework. The runtime supports Java Virtual Machines like OpenJDK, Oracle JVM, and embedded JVMs from Azul Systems and IBM JVM. Device connectivity layers integrate protocols and stacks from MQTT (e.g., Eclipse Mosquitto), HTTP/RESTful API patterns, CoAP, and Modbus implementations used by Schneider Electric and Siemens industrial controllers. Persistence and data handling can leverage SQLite, InfluxDB, Apache Cassandra, and cloud connectors for Amazon Web Services, Microsoft Azure, and Google Cloud Platform services. Kura’s architecture includes components for serial communication (compatible with FTDI drivers), network management interoperable with NetworkManager and systemd-networkd, and hardware abstraction for boards like Raspberry Pi 3, BeagleBone Black, Intel Edison, and NXP i.MX series.
Features
Kura provides a suite of features that mirror needs addressed by companies such as Bosch, Rockwell Automation, Panasonic, Mitsubishi Electric, and Toyota in automation and telematics applications. Core features include: - Device and protocol gateways supporting MQTT, HTTP, CoAP, OPC UA, and Modbus TCP used by Siemens and ABB controllers. - Data routing and transformation inspired by patterns from Apache Camel and Node-RED, enabling integration with Apache Kafka, RabbitMQ, and Eclipse Paho clients. - Local data storage and buffering compatible with SQLite and LevelDB, with synchronization to cloud services like AWS IoT Core, Azure IoT Hub, and Google Cloud IoT Core. - Management interfaces and dashboards interoperable with Grafana, Kibana, and Prometheus monitoring stacks. - Support for application deployment workflows similar to Docker and orchestration concepts from Kubernetes for edge contexts championed by Canonical and Arm.
Use Cases and Deployment
Kura is suitable for scenarios promoted by ABB, Schneider Electric, Siemens, GE Digital, and Honeywell including industrial automation, smart buildings, fleet management, and energy management. Typical deployments involve gateways connecting sensors from manufacturers such as Texas Instruments, Analog Devices, Bosch Sensortec, and STMicroelectronics to cloud platforms like AWS, Azure, and Google Cloud Platform. Integrations may use analytics engines from Splunk or SAS Institute, and machine learning models from TensorFlow or PyTorch for edge inference. Kura has been used in pilot projects with system integrators such as Capgemini, Accenture, Deloitte, and Cognizant to bridge legacy industrial protocols to modern IoT platforms. Deployment options include embedded Linux images for vendors like Wind River, containerized approaches advocated by Red Hat, and appliance-style systems sold by Eurotech and Advantech.
Development and Community
The Kura project is governed through the Eclipse Foundation's project management processes and attracts contributors from corporations including IBM, Eurotech, Red Hat, Fujitsu, Intel, and ARM Holdings. The community interacts via mailing lists, issue trackers, and continuous integration services comparable to practices at Apache Software Foundation projects. Documentation and examples reference tools and languages such as Maven, Gradle, Git, GitHub, Jenkins, and Travis CI. The ecosystem connects with other open source initiatives like Eclipse IoT, Eclipse Hono, Eclipse Ditto, Eclipse Mosquitto, and Eclipse Paho, as well as standards bodies including IETF, IEEE, and ISO.
Security and Management
Security considerations for Kura align with recommendations from OWASP, NIST, ENISA, and regulators influencing GDPR compliance for data handling in Europe. Features include encrypted communication using TLS/SSL stacks, integration with authentication services such as OAuth 2.0 providers, and certificate management compatible with Let's Encrypt and enterprise PKI solutions from Venafi. Remote management capabilities integrate with device management platforms and MDM solutions used by Samsung SDS and VMware for provisioning, firmware updates, and telemetry. Operational monitoring can integrate with Prometheus, Grafana, and centralized logging through ELK Stack components developed by Elastic NV.