For the list of all supported Decision Insight downloads and releases, see the Downloads page.

Decision Insight Messaging System (DIMS)

What is DIMS?


The Decision Insight Messaging System is the only recommended way to send messages between two Decision Insight applications in a safe and reliable way.

Data is sent from one application to the other via messages .

Messages are the fundamental unit of processing used by Decision Insight Messaging System.

  • Messages consist of a key, a timestamp, and a value whose format (a Java Map) is suitable for Decision Insight absorption.
  • Messages are independent data payloads sent over the network.
  • Messages are stored into topics , which are logical collections of messages dedicated to a common processing.

Read more about DIMS installation prerequisites.

Why is DIMS necessary?

As a dedicated messaging tool, DIMS is compulsory to implement some of Decision Insight features.

Triggers

Triggers enable you to use and send messages. A node using triggers will create a message on data update/creation. Thanks to Decision Insight Messaging System (DIMS) , this message can then be used by the same node (ex: alarm use case) or transmitted to any other node in a fast, secure, and reliable manner. For an example of deployment that can use triggers, see cockpit pattern). 

Read more about Triggers.

Notifications

Notifications are used to make sure the right people and right systems get notified when a problem occurs.

The notification system uses DIMS to send notification events to the data integration.

Read more about Notifications.

What are DIMS other usages?

DIMS is a tool designed to allow two nodes of Decision Insight to exchange data. As a result, it can be used to implement a clustered deployment of a Decision Insight solution. The recommended deployment for DIMS uses 3 nodes, which makes it a resilient way to exchange data. DIMS also has a retention policy which allows messages recovery in case of failure of the Decision Insight node reading from DIMS. 

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