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Subject: [OASIS Issue Tracker] Updated: (MQTT-3) Keep alive interval grace period.
[ http://tools.oasis-open.org/issues/browse/MQTT-3?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Allan Stockdill-Mander updated MQTT-3:
---------------------------------------
Proposal:
The server MUST allow a grace period of 50% of the keep alive interval before client timeout.
The specification should not recommend how long the client waits before it expects to see the PINGRESP ,
a reasonable implementation might wait about 10 seconds.
was:
The grace period added by the server should be the shorter of 50% of the keep alive interval and 60 seconds.
The specification should not recommend how long the client waits before it expects to see the PINGRESP ,
a reasonable implementation might wait about 10 seconds.
> Keep alive interval grace period.
> ---------------------------------
>
> Key: MQTT-3
> URL: http://tools.oasis-open.org/issues/browse/MQTT-3
> Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
> Issue Type: Improvement
> Components: core
> Affects Versions: 3.1.1
> Environment: MQTT Client and server
> Reporter: Andrew Banks
> Assignee: Allan Stockdill-Mander
>
> The current MQTT 3.1 specification says that the server adds a grace period 50% to the Keep alive interval before it enforces it.
> This is fine for short keep alive intervals but is excessive for longer ones.
> The current specification also says that the client should wait for one keep alive interval for a PINGRESP to be sent in response
> to its PINGREQ before it gives up and disconnects. Again this is fine for short keep alive intervals but excessive for long ones.
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