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Presentation: Voca, UK's largest payment processing engine running Spring

by Ryan Slobojan on May 05, 2008 | NOTICE: The next QCon is in New York Jun 10-14, Join us!

In this presentation from QCon London 2007, William Soo and Meeraj Kunnumpurath discuss the Voca transaction processing system architecture, the previous Mainframe-based architecture, architectural challenges and requirements, the new Spring and J2EE-based architecture, upcoming challenges for Voca, and technologies to watch for in the future.

Watch Voca, UK's largest payment processing engine running Spring (48 minutes).

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Transaction by Sandeep Khurana Posted

Transaction by Sandeep Khurana

It might be a naive question but it was mentioned that the interaction with other sub system happens using Oracle queue propagation system. It looks to me a asynchronous processing. What if a particular interaction with another sub system needs to be part of current transaction (or maybe a synchronus interaction is required) ? How this scenario is handled, if there is any? Or the transaction is supposed to be over as soon as the message is put on the queue?