Posted: Wed Jan 11, 2006 11:51 am Post subject: Channel Types
Centurion
Joined: 20 Jul 2003 Posts: 131
Hello All
Greetings. I am trying to understand the practical implementations of the different types of channels.
1)Is my understanding correct on the Requester-server channel.
As per Intercommunication Guide
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A requester in one system starts the channel so that it can receive messages from the other system. The requester requests the server at the other end of the channel to start. The server sends messages to the requester from the transmission queue defined in its channel definition.
Is the Email System an example for it?.
When Person X login/connects to the Email Server (using Desktop or Laptop) the "Requestor (Person X) is requesting the server(Email Server) at the other end of the channel to start and the Email Server then sends the emails from the Transmission queue to the Inbox."
2) Reg the Requester-sender channel:Definition in Intercommunication Guide.
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The requester starts the channel and the sender terminates the call. The sender then restarts the communication according to information in its channel definition (this is known as callback). It sends messages from the transmission queue to the requester.
Can you pl. give any practical example? When do we use it?
Joined: 02 Jun 2005 Posts: 3316 Location: IBM (retired)
Quote:
Is the Email System an example for it?.
Exactly....
The think the general idea of rqstr-sdr pairing is to give a little more security, so even if you don't trust inbound connections (in terms of really knowing where they come from), you always know where you're sending the message to. The idea of rqstr-sdr vs. rcvr-sdr is that the receving end tells you when to send....
It also been suggested here that you can have qmgr A cause messages to be sent from qmgr B to qmgr C using this mechanism _________________ -wayne
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