Librabbitmq is a popular and powerful open source message broker, the leading implementation of AMQP. It provides a robust and flexible messaging platform designed to interoperate with other messaging systems.

Librabbitmq has a multi-protocol broker engine implemented in 100% Erlang/OTP for exceptional scalability and fault-tolerance. It comprises the following components:

  • The RabbitMQ broker:
    • Natively supports AMQP 0.9.1
    • Supports AMQP 1.0 via a plugin
  • Adapters for HTTP, STOMP, MQTT, and several other protocols
  • Client libraries for Erlang, Java, .NET, and C/C++
  • Clients for numerous other languages available from other vendors and/or the open source community
  • Python, Ruby, PHP, Clojure, Node.js, Go, Rust, COBOL, etc.
  • Large assortment of useful plugins/extensions
  • Provides scalability through clustering, high availability, management and monitoring, security, extensibility (via plugins)

Note: you need Erlang on OpenVMS in order to run RabbutMQ.

LibRabbitMQ ported to OpenVMS provides an API that can be used by OpenVMS-based software applications to exchange data via AMQP. It is based on C API originally developed by the RabbitMQ team and can be used with any OpenVMS 3GL (C/C++, Pascal, COBOL, FORTRAN, …). It can also use Ruby and Python clients on OpenVMS.

There are tools using to simplify development of RabbitMQ clients:

  • Generic consumer (loads and calls user-written functions in a shareable images)
  • Scripting utility (useful for testing)
  • Enhancements to WSIT to generate code for the RabbitMQ Java client

LibrabbitMQ is useful for enterprise integration platforms, applicable to a wide variety of enterprise integration scenarios. It is:

  • Flexible
  • Straightforward to integrate with legacy application code
  • Can also be used with languages such as Ruby, Python, and Java on OpenVMS

Software Requirements

  • Erlang

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