MQTT Topic Compatibility
To allow compatibility with MQTT topics, which permit empty topic levels (for example, /a/b, a//b, or a/b/), Solace PubSub+ Version 7.1.1 or greater also allow empty topic levels in SMF topics.
However, there are some limitations to using empty topic levels with SMF topics:
- Client applications using Solace messaging APIs can publish to topics with empty levels, but they can't use topic subscriptions with empty levels.
- In ACL profiles, SMF topic exceptions may not have empty topic levels (for publishing or subscribing).
However, there are some limitations to using empty topic levels with SMF topics:
- Client applications using Solace messaging APIs can publish to topics with empty levels, but they can't use topic subscriptions with empty levels.
- In ACL profiles, SMF topic exceptions may not have empty topic levels (for publishing or subscribing).