When you choose the Ultra Messaging data connection, you can specify the topic name for the transport on which the source service publishes data. This topic is known as well-known topic. If you create custom source services or transformations, you can partition or shard events to separate the processing of large event streams. When you configure the Ultra Messaging data connection, you can specify comma-separated transport topic names.

For more information, see the

Informatica Vibe Data Stream for Machine Data User Guide

.