Introduction of IBM MQ

IBM Message Queue(MQ), formerly knows as Websphere Message Queues is a family of message oriented middleware products. IBM MQ connects diverse applications and businesses across various platforms. MQ family includes IBM MQ, IBM MQ Advanced, IBM MQ Appliance, IBM MQ for z/OS, and IBM MQ on IBM Cloud.

History

  • Originally called as MQ Series, launched in 1993.
  • Renamed to Websphere MQ in 2002.
  • Renamed to IBM MQ in 2014.

Key Features

  • Cross Platform
  • High availability, supports Replicated Data Queue Manager, Clustering, Multi-instance Queue Manager, Queue Sharing groups for Z/OS.
  • Guaranteed one-time delivery
  • Available as Client and server versions
  • Wide EAI industry support
  • Asynchronous messaging
  • Message-driven architecture framework
  • Secure
  • Follows FIFO(First In First Out), but messages can be prioritized.

Terminology

  1. Message
    • Message is a meaning full information
    • Message contain 2 parts i.e MQMD(header part) and Application Data
  2. Queue
    • Queue is used to store the messages
  3. Queue Manager
    • It's a logical container for message queues.
    • Responsible for communication with other Queue managers.

Installation

On windows using command prompt

  1. Use the below command to install IBM MQ
msiexec /i "MQ_INSTALLATION_MEDIA\MSI\IBM WebSphere MQ.msi" /l*v c:\wmqinslogs\install.log AGREETOLICENSE="YES"
  1. Set up env variables
C:\Program Files\IBM\MQ\bin\setmqenv" -s
  1. check if MQ is installed correctly. The below command should return version and other installation details.
dspmqver