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Subject: [OASIS Issue Tracker] Created: (MQTT-13) Topic name has an upper length limit of 32,767 characters ?
Topic name has an upper length limit of 32,767 characters ?
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Key: MQTT-13
URL: http://tools.oasis-open.org/issues/browse/MQTT-13
Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
Issue Type: Improvement
Components: core
Affects Versions: 3.1.1
Reporter: Rahul Gupta
Snippet from Section 2.2 of v3.1 specification.
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The topic name is a UTF-encoded string. See the section on MQTT and UTF-8 for more information. Topic name has an upper length limit of 32,767 characters.
Snippet in Appendix A -
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The following principles apply to the construction and content of a topic tree:
> The length is limited to 64k but within that there are no limits to the number of
levels in a topic tree.
Should the topic length on PUBLISH command be restricted to 32,767 characters ?
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