[rabbitmq-discuss] rpc Tutorials why the server queue no need to binding

[kevin]

Hi,
I am a newer for rabbitMQ,when i read the 
*Tutorials* <http://www.rabbitmq.com/getstarted.html> 6 rpc, i notice that 
client publish a message :channel.basicPublish("", "rpc_queue", props, 
message.getBytes());
1.  i check in the sdk,the second parameter is routing key,but explaination 
show: 
"The request is sent to an rpc_queue queue" ,it is correct? i think it will 
be sent to any queue?
 
 2. when the server receive this message ,why no need to binding?because it 
use default exchange?
 
anyone know the answer please kindly reply me as soon,thanks.
 
 
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