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Subject: [OASIS Issue Tracker] Updated: (MQTT-1) Flowing MQTT V3.1.1 protocol over a WebSocket
[ http://tools.oasis-open.org/issues/browse/MQTT-1?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Richard Coppen updated MQTT-1: ------------------------------ Proposal: Add an Appendix to describe MQTT protocol over websocket connections. MQTT can be transported over a WebSocket connection using the following conventions: - WebSocket binary frames are used. A single frame may contain multiple or partial MQTT Control Packets; they are not required to be aligned. - The WebSocket Protocol Name consists of the MQTT Protocol Name concatenated with the ASCII representation of the MQTT Protocol Version number. For MQTT v3.1.1, this will be "MQTT4". - No restriction is placed on the path portion of the WebSocket url Note to editors: need to add references to the WebSocket RFC Take to TC call 19.09.2013 > Flowing MQTT V3.1.1 protocol over a WebSocket > ---------------------------------------------- > > Key: MQTT-1 > URL: http://tools.oasis-open.org/issues/browse/MQTT-1 > Project: OASIS Message Queuing Telemetry Transport (MQTT) TC > Issue Type: New Feature > Components: core > Affects Versions: 3.1.1 > Environment: Web browser > Reporter: Andrew Banks > > Constraints and considerations for flowing MQTT binary protocol over a Websocket, RFC 6455. > See also http://wiki.eclipse.org/Paho/Paho_Websockets > Making MQTT over Websockets inter-operable: > Must support WebSockets as defined by RFC 6455 > Must use websocket binary frames. > This enables MQTT v3,1 per the specification to flow over websockets with no change to the MQTT packets > Must use "mqttv3.1" as the websocket protocol name. > This is applicable when creating the websocket: e.g. new WebSocket(wsurl, 'mqttv3.1') > The path portion of the url specified on the MQTT connect should be "mqtt" > For instance ws://m2m.eclipse.org:800/mqtt . mqtt should be the default with the option for an alternative to be configured / specified > Open points for further discussion: > Should an MQTT packet be aligned with a WebSocket frame? Should MQTT Protocol messages be sent exactly one per frame or should the framing be arbitrary with multiple or partial MQTT messages per frame with no frame alignment.? -- 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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