[Spread-users] Help with configuration file

Ryan Caudy caudy at jhu.edu
Mon Mar 31 13:00:37 EST 2003

The spread segment blocks in a spread.conf file contain the complete set 
of machines that will run Spread daemons, and their organization.  A 
segment is a group of machines that can talk to one another by the 
broadcast or multicast address specified.

Machines that will only run clients do not need to be specified.  They 
communicate with a daemon using TCP or Unix domain sockets, and are not 
involved in the daemon-level interactions.


Kevin Carlson wrote:
> Is there anyone that can point me to a resource that would explain the 
> "Spread Segment" section of the configuration file other than the User's 
> guide?  I have read and re-read the section on configuration and can't 
> quite understand why each machine must be listed and what the different 
> segments represent.  Yes, I am a spread newbie. ;-)  I am very familiar 
> with other message bus technologies such as MQSeries, SwiftMQ, and other 
> JMS implementations but this seems to be a little different.
> What I am attempting to do is set up a spread daemon on a single machine 
> that other machines both on and off the local network can connect to.  I 
> gather that each segment is informing the daemon where it must broadcast 
> data to, but why the need for each machine is confusing.  Is this to 
> control access to the spread daemon?  Am I even on the right track?
> Can anyone offer an explanation on this section of the config file?
> Thanks,
> Kevin
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