In the messaging middleware area: What is the difference between IBM's MQSeries and MSMQ?
From a developer's point of view, both systems are similar in that they offer decoupled communication between processes, using message queues.
The main differences are:
- There are more large-scale deployments of MQSeries, than of MSMQ. Hence I would say MQSeries is more proven in mission critical systems.
- MQSeries runs on more than 20 platforms (including Windows2000). MSMQ runs only on Microsoft Windows.
- MSMQ is probably better integrated into the Microsoft development environment (VisualStudio, .NET)
- The following report suggests that the performance of IBM MQSeries is higher than MSMQ: http://www-4.ibm.com/software/ts/mqseries/library/articles/MQ5_2perf.pdf
I cannot say anything about differences in pricing of the two product, as I don't have MSMQ price lists at hand.
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