Connor Doyle created MESOS-2619:
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             Summary: Document master-scheduler communication
                 Key: MESOS-2619
                 URL: https://issues.apache.org/jira/browse/MESOS-2619
             Project: Mesos
          Issue Type: Bug
          Components: documentation
    Affects Versions: 0.22.0
            Reporter: Connor Doyle


New users often stumble on the networking requirements for communication 
between schedulers and the Mesos master.

It's not explicitly stated anywhere that the master has to talk back to the 
scheduler.  Also, some configuration options (like the LIBPROCESS_PORT 
environment variable) are under-documented.

This problem is exacerbated as many new users start playing with Mesos and 
scheduers in unpredictable networking contexts (NAT, containers with bridged 
networking, etc.)



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