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Subject: [OASIS Issue Tracker] Commented: (MQTT-13) Topic name has an upper length limit of 32,767 characters ?
[ http://tools.oasis-open.org/issues/browse/MQTT-13?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=33651#action_33651 ] Rahul Gupta commented on MQTT-13: --------------------------------- updated section 3.3.2.1 in WD-04 ---------------------------------------------- The Topic name MUST be a string which can be encoded as UTF-8 up to 65535 bytes in length. The Topic name MUST not contain wildcard characters. When received by a client that subscribed using wildcard characters, this string is the absolute topic specified by the originating publisher and not the subscription string used by the client. > Topic name has an upper length limit of 32,767 characters ? > ----------------------------------------------------------- > > 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 > Reporter: Rahul Gupta > Assignee: Rahul Gupta > > Snippet from Section 2.2 of v3.1 specification. > --------------------------------------------------------------- > 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 - > -------------------------------- > 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 ? -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://tools.oasis-open.org/issues/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira
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