[Rhm-users] Re: [Rhemrg-users-list] Fanout exchange

Lana Brindley lbrindle at redhat.com
Mon May 4 22:41:54 UTC 2009


Carl Trieloff wrote:
> Bill Whiting wrote:
>> Can anyone describe a real-world example of using a fanout exchange.  
>> I understand what its doing, but I can't think of any real use for 
>> this messaging pattern.
> 
> It is used to create distribution lists, as all queues bound receive all 
> messages. The only advantage of using it over something like the direct 
> exchange is that it has the most  efficient routing logic (just place a 
> reference to the message onto the queue.)
> 
>>
>> If there's a wiki or documentation that you can point me to, I'm happy 
>> to go read. 
> 
> http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_MRG/1.1/html/Messaging_Tutorial/chap-Messaging_Tutorial-Initial_Concepts.html#sect-Messaging_Tutorial-Initial_Concepts-Fanout_Exchange 
> 
> 
> 
> 
> kind regards
> Carl.
> 

There is more detailed information on the MRG Messaging concepts 
(including exchange types) in Chapter 1 of the User Guide here:
http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_MRG/1.1/html/Messaging_User_Guide/chap-Messaging_User_Guide-RHM_Concepts.html

HTH,
Lana
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