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Subject: [OASIS Issue Tracker] (MQTT-204) Make $ topic separation normative
[ https://tools.oasis-open.org/issues/browse/MQTT-204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Richard Coppen updated MQTT-204: -------------------------------- Proposal: The Server MUST NOT match Topic Filters starting with a wildcard character (# or +) with Topic Names beginning with a $ character. The Server SHOULD prevent Clients from using such Topic Names to exchange messages with other Clients. Server implementations MAY use Topic Names that start with a leading $ character for other purposes. > Make $ topic separation normative > --------------------------------- > > Key: MQTT-204 > URL: https://tools.oasis-open.org/issues/browse/MQTT-204 > Project: OASIS Message Queuing Telemetry Transport (MQTT) TC > Issue Type: Improvement > Components: core > Reporter: Allan Stockdill-Mander > > Section 4.7.2.1 of wd-20 states; > A Topic Filter that starts with a wildcard character (# or +) does not match Topic Names that begin with a $ character > This appears to be a normative statement regarding server behaviour without any accompanying normative language. > While server implementations may choose whether or not to implement predefined $topics I thought we explicitly did want separate all topics starting with $ from the rest of the topic space. -- This message was sent by Atlassian JIRA (v6.1.1#6155)
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