Windows has a Windows Service recovery mechanism that makes sure a crashed process will be restarted. The endpoint can fail when using the NServiceBus Host or when self-hosting and implementing a critical error handler that exits the process in case a critical error occurs. If Windows Service Recovery is not configured, message processing will halt. Therefore it's important to configure recovery options when hosting an NServiceBus endpoint as a Windows Service.
The recovery options can be adjusted via the Services dialog or via sc. Note that the command line tool has advanced configuration options. The default restart duration is 1 minute when enabling recovery via the Windows Service Management Console, but a different restart duration may be defined for the subsequent restarts using sc.
It's not really a question of how "new" the technology is, but what you need it to do. Azure Service Bus can be a great service to use, but it can also take a lot of effort to administrate and maintain that can make it costly to use unless you need the more advanced features it offers for routing, sequencing, delivery, etc.
I would recommend checking out this link to get a basic idea of different messaging architectures. These only cover Azure services, but there are many other solutions that use similar architectural models.
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Pros of Azure Service Bus. Pros of NServiceBus. Pros of Azure Service Bus 2. Additional configuration settings are retrieved from environment variables. See the configuration section for further details. All configuration settings can also be configured directly via code:. Any services registered via the IFunctionsHostBuilder will be available to message handlers via dependency injection. The startup class must be declared via the FunctionStartup attribute: [assembly: FunctionsStartup typeof Startup ].
The Azure Function trigger for NServiceBus is auto-generated by specifying the logical endpoint name using a custom assembly attribute:. The trigger function name is auto-generated by default. To customize the function name, the NServiceBusTriggerFunction attribute can be provided with an additional parameter to set the function name:.
The Azure Service Bus trigger can be declared manually instead of relying on the auto-generated trigger. See the article on custom Azure Functions triggers for more information. This is equivalent to the SendsAtomicWithReceive transport transaction mode.
By default, transactional consistency is disabled, providing the same transport guarantees as the ReceiveOnly transport transaction mode. For more information on configuring message consistency using custom triggers, refer to the custom Azure Functions triggers documentation.
ServiceBusTriggeredEndpointConfiguration loads certain configuration values from the Azure Function host environment in the following order:. Active Oldest Votes. To answer your questions The new servicebus is a broker that uses queues Messages on the servicebus are just strings in the end, the servicebus itself has no additional support for message types, hierarchies, handlers etc.
There is no support for long running processes nor correlation. It's designed to scale out. Hope this helps? Kind regards, Yves. Improve this answer. Yves Goeleven Yves Goeleven 2, 14 14 silver badges 13 13 bronze badges. I understand the subscriptions are strings and not typed but can it still be used in the same way as Bus.
So if any crashes, messages are stored in the local queue first? No, the queue is not local to the node as is the case with msmq. SB queues provide the durability and transactionality that nservicebus needs to handle messaging, the only thing different from msmq is that the node needs connectivity to work properly.
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