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Transaction Manager for Microservices Free

Oracle Transaction Manager for Microservices (MicroTx) Free simplifies application development and operations by enabling distributed transactions to ensure consistency across polyglot microservices deployed in Kubernetes and/or other environments—all completely free!

Ensuring consistency across microservices based applications

Using MicroTx Free, a completely free product, you can ensure a spectrum of data consistency across microservices and cloud native apps without writing any complex code. With a choice of transaction protocols and use of APIs and annotations included in the client libraries, MicroTx Free makes it easy to use distributed transactions in applications deployed in Kubernetes and Docker Swarm.

Ensuring consistency across microservices based applications, description below MicroTx's core is a transaction coordinator for three protocols: XA, Long Running Actions, and Try-Confirm/Cancel. The transaction coordinator itself is a microservice deployed in a container in either a Kubernetes cluster or in Docker Swarm. Microservices-based applications communicate with the transaction coordinator via REST APIs, implemented by MicroTx libraries. The MicroTx library hides all the details of communication between applications and the coordinator, significantly simplifying application development. If MicroTx is deployed in a Kubernetes cluster, it can be very well integrated with rest of the Kubernetes ecosystem tools, such as Prometheus/Grafana and Kiali.

MicroTx Free features

Transaction protocol support

  • Strong consistency: MicroTx supports industry standard XA protocol for strong data consistency across microservices with the option to use logging last resource (LLR) for non-XA resources.
  • Eventual consistency: MicroTx includes support for Sagas by implementing Eclipse MicroProfile’s long-running actions (LRA) specification for use cases such as travel booking.
  • Reservation model: Support for Try-Confirm/Cancel protocol for use cases that adhere to reservation model.

Ease of application development

  • Easy-to-use APIs: MicroTx provides a few APIs that can be easily used in an existing application to enable distributed transactions.
  • Less developer overhead: Use of MicroTx requires only a few changes in existing application code.
  • Language and framework support: MicroTx provides transaction demarcation APIs for Java and TypeScript using various application frameworks, such as Helidon and Spring Boot and Express.

XA interoperability with existing apps

  • Database ORDS/APEX applications/services can participate in an XA transaction coordinated by MicroTx.
  • Existing Tuxedo application services can be in the same XA transaction as many other microservices.
  • Blockchain applications hosted on Oracle Blockchain Platform can be one of the resources in an XA transaction being coordinated by MicroTx.

Benefits of MicroTx Free

  • Increased developer productivity

    MicroTx eliminates the need for developers to write business logic to compensate a failed transaction and complex testing associated with it, increasing productivity and time to market.

  • Leverages existing assets, developer frameworks

    Developers can continue to use their existing tools and frameworks; MicroTx only requires a few changes to existing applications.

  • Based on industry standards

    MicroTx enables data consistency using industry standard transaction protocols, such as XA, LRAs, and TCC, reducing any risk of vendor lock-in.

  • Enables consistency in multi-language apps

    With MicroTx, polyglot microservices written in Java, TypeScript, C/C++, etc. and frameworks can participate in global, distributed transactions.

    Read the datasheet (PDF)

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