Communication with JPOS

[Abdulrahman Ashraf]

Is it normal to use a Space-based communication approach instead of a channel? Once we put a request into Space, the Transaction Manager starts and the flow continues exactly as if the message came from a channel. So, is this approach normal and more efficient than using channels?" 

[Abdulrahman Ashraf]

it would be so helpful if anyone answered this Question 

On Sat, Nov 8, 2025 at 10:27 PM Abdulrahman Ashraf <abdelrhman...@gmail.com> wrote:

Is it normal to use a Space-based communication approach instead of a channel? Once we put a request into Space, the Transaction Manager starts and the flow continues exactly as if the message came from a channel. So, is this approach normal and more efficient than using channels?" 

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[Alejandro Revilla]

Space communication is great and fast within jPOS components running on the same JVM. You use channels whenever you need to communicate to external endpoints using ISO-8583.

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@apr

[Abdulrahman Ashraf]

I really appreciate your time and response.
Previously, I was using a channel-based approach to communicate with jPOS — sending the ISO message, then the request listener and transaction participants would start, and afterwards a new connection to the payment switch was opened. This felt unusual, so I switched to using Space instead.

I wanted to confirm whether using Space in this way is considered a proper use case. Also, do you have any hints or best practices for managing Space under heavy load in a SoftPOS environment?

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jPOS is licensed under AGPL - free for community usage for your open-source project. Licenses are also available for commercial usage. Please support jPOS, contact: sa...@jpos.org
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