Re: [mosquitto-dev] Multiple MQTT Connect messages over same TCP/IP tran

["Mike Tran" <miketran@xxxxxxxxxx>]

Based on the content of the link you mentioned https://issues.oasis-open.org/browse/MQTT-55:

  `The Connect Packet MUST be the first packet sent
from a client to the server. A client can only flow the Connect Packet
once per TCP Session. The Server MUST process a second Connect Packet sent
from a client as a protocol violation and disconnect the client. `

It is very clear to me that subsequence Connect packets
on the same network connection will be considered as a protocol violation,
so the server must close the network connection regardless of the client
ID. Most MQTT clients do not allow you to send connect packet if the client
is currently connected. 

--
Regards,
Mike Tran




From:      
 foomail123 <foomail123@xxxxxxxxx>
To:      
 "mosquitto-dev@xxxxxxxxxxx"
<mosquitto-dev@xxxxxxxxxxx>
Date:      
 09/21/2016 11:52 AM
Subject:    
   [mosquitto-dev]
Multiple MQTT Connect messages over same TCP/IP transport connection
Sent by:    
   mosquitto-dev-bounces@xxxxxxxxxxx

---

Hello,

I have a question regarding multiple
MQTT Connect messages over same TCP/IP transport connection.
Per my understanding, and below

Per: 
https://issues.oasis-open.org/browse/MQTT-55

The subsequent connections are to
be handled by broker as long at clientId is same, is this right ?
When broker receives subsequent MQTT
Connect with different clientId, is the MQTT Connect packet dropped ?  Is
the underlying TCP/IP connection from that client also dropped ?

Any pointers/references is appreciated.

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