If you need a cloud-based service bus or a simple to use queue/topic/routing/pub-sub service, then Azure Service Bus is a very good choice at a reasonable price and performance. Typically on-premise we'd use RabbitMQ because it "just works", but if you're building a "cloud-first" application, then this is the one to go with. It's especially easy to integrate with if you're already embedded in the Microsoft ecosystem.
If the environment has many different protocols for data exchange between partners and most of the protocols follow some standards like EDI X12, TIBCO BusinessConnect should be a good tool to take care this business use case. If the environment has a few simple protocols for data exchange, e.g. SFTP, FTPS or emails, some lighter weight tools will be enough and TIBCO BusinessConnect may be an overkill tool.
Acting as a basic queuing service it works very well.
One of the best parts is that Azure Service Bus can work over HTTPS which helps in strict firewall situations. There is a performance hit if you choose to use HTTPS.
The routing capabilities are quite good when using topics and subscriptions. You can apply filters using a pseudo-SQL-like language though the correlation filters are quick and easy options.
Costs are very reasonable at low-ish volumes. If you're processing 10's of millions of messages a month... it may be a different story.
When a new version is released, its better to test it thoroughly before letting customers apply the release in their real time environment. There were missing functionalities from the previous versions which were not identified ahead of time.
RabbitMQ is simple and awesome... but so is Azure Service Bus. Both accomplish the same thing but in different environments. If you're building a cloud-native application - especially one that is serverless by design - Azure Service Bus is the only real choice in Azure. It works well, it's performance, and it's reasonably priced in the Standard tier. From our testing, RMQ is more performant, but it's hard to compare service-based implementations vs RMQ installed on VMs.
The main reason TIBCO BusinessConnect was selected is because of the overall solution it provides with the different TIBCO products. Since TIBCO BusinessWorks and TIBCO Enterprise Message Service are already in place and the canonical model is already built and integrated into the Information Bus, TIBCO BusinessConnect is the best tool to work with them.
