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Subject: [OASIS Issue Tracker] (MQTT-276) MQTT enhancements for large scale distributed systems
[ https://issues.oasis-open.org/browse/MQTT-276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=62236#comment-62236 ] Brian Raymor commented on MQTT-276: ----------------------------------- In preparation for the April face to face meeting, here is an update on the enhancements originally proposed in https://www.oasis-open.org/apps/org/workgroup/mqtt/download.php/57354/MQTT-276%20Considerations.pdf with pending proposals in related issues. • Option to use QoS 1 instead of QoS 2 message exchange • Option to not support retained messages Addressed by CONNECT and CONNACK metadata proposal in MQTT-256: https://issues.oasis-open.org/browse/MQTT-256?focusedCommentId=62192&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-62192 • Option to return NACK(s) on Publish for diagnostics and error handling Addressed by MQTT-236. • Option to specify expiry interval for session state Addressed by MQTT-249. https://issues.oasis-open.org/browse/MQTT-249?focusedCommentId=62228&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-62228 See Expiry of Session State in https://www.oasis-open.org/apps/org/workgroup/mqtt/download.php/57432/Oasis%20Jan%202016.pdf • Option for server disconnect Addressed by MQTT-270 • Protection for large scale deployments • Maximum message size Addressed by CONNECT and CONNACK metadata proposal in MQTT-256: https://issues.oasis-open.org/browse/MQTT-256?focusedCommentId=62192&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-62192 • Flow Control Addressed by MQTT-257. > MQTT enhancements for large scale distributed systems > ----------------------------------------------------- > > Key: MQTT-276 > URL: https://issues.oasis-open.org/browse/MQTT-276 > Project: OASIS Message Queuing Telemetry Transport (MQTT) TC > Issue Type: New Feature > Components: futures > Affects Versions: 3.1.1 > Reporter: Konstantin Dotchkoff > Assignee: Konstantin Dotchkoff > Fix For: 3.1.1 > > > As presented during the TC call on 8/6/2015, there are challenges in implementing MQTT in large scale distributed systems with the specific case being QoS 2: > https://www.oasis-open.org/apps/org/workgroup/mqtt/download.php/56237/MQTT%20QoS2%20Considerations.pptx > Retained messages were also noted during the call. -- This message was sent by Atlassian JIRA (v6.2.2#6258)
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