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What’s new in NServiceBus 3.0?

           Andreas Öhlund
      http://andreasohlund.net
Main goal for 3.0

Better out of the box experience
Game plan
•   Storage
•   Naming endpoints
•   Handling time
•   Bridging remote sites
•   Random stuff
•   Q&A
What is a bus anyway?
                      App                       App

                      Bus.dll                   Bus.dll

           App                         App

           Bus.dll                    Bus.dll




             App                      App
            Bus.dll                   Bus.dll
App                         App
Bus.dll                     Bus.dll
We need to store stuff
Storage needs


               Sagas

            Subscriptions
App          Timeouts           App
Bus.dll                         Bus.dll
          Available workers

           Deduplication



                  Scaling out
• Default storage
• Bundled with NServiceBus
• NH=>NServiceBus.NHibernate.dll
It’s all in the name
Conventions based on the
          endpoint name
 Database                  Orders


Input queue             Orders


                                        Orders
 Timeouts           Orders.Timeouts
                                        Bus.dll


Gateway url   http://localhost/orders
Naming endpoints
•   Defaults to your namespace
•   Attribute: [EndpointName(“Orders”)]
•   Install: /serviceName:Orders
•   Configure.DefineEndpointName(…)
Demo

Storing sagas in RavenDB
Durable timeouts vNext
3.0 Timeout manager




          Business              Timeout
                     Timeouts
           Logic                Manager



                                Timeouts
App
Bus.dll
Bending time to your will
 • Sagas
   – RequestUtcTimeout<T>(…)
   – IHandleTimeout<T>
   – v2.6 Timeouts still supported
 • Bus.Defer<T>(…)
 • All endpoints have a local
   timeoutmanager
Demo

Using timeouts
Bridging remote sites
Gateway
SiteA


        Endpoint
                        App
                        Msmq   Bus.dll
                   Gateway


                                                            Headquarter
                               Http      Endpoint
                                             Gateway
                                                    Msmq

                                                     App
                                                           Bus.dll
What can the gateway do
       for you?
• Bridge physical sites
• Supports multiple channels
• Does de-duplication
• Performs retries
• Can act as a alternate channel for
  administrative messages
• Enable Browser  NServiceBus
  communications
Demo

Gateway
Master Nodes
          Profile = Master
                                           Distributor

                      App                Timeoutmanager
                     Bus.dll
                                             Gateway

                             MyCluster


          Worker1                          Worker2

              MasterNode = MyCluster
              Profile = Worker                           MasterNode = MyCluster
App                                 App
                                                         Profile = Worker
Bus.dll                            Bus.dll
Data bus
              File share / Blob storage
                    Data Bus




   App           Main transport           App

  Bus.dll                                 Bus.dll
                MSMQ / Azure Queues




public DataBusProperty<byte[]> Image{ get; set; }
Other features
• Unobtrusive mode
• DatabusProperty<T>
• ISendMessages / IReceiveMessages
• Modeling tools
• Exception details attached to messages
  in the error queue
• Client side pipeline
Q & A
Thanks for listening!

 www.nservicebus.com
http://andreasohlund.net
    @andreasohlund

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New and shiny things in NServiceBus 3.0

  • 1. What’s new in NServiceBus 3.0? Andreas Öhlund http://andreasohlund.net
  • 2. Main goal for 3.0 Better out of the box experience
  • 3. Game plan • Storage • Naming endpoints • Handling time • Bridging remote sites • Random stuff • Q&A
  • 4. What is a bus anyway? App App Bus.dll Bus.dll App App Bus.dll Bus.dll App App Bus.dll Bus.dll App App Bus.dll Bus.dll
  • 5. We need to store stuff
  • 6. Storage needs Sagas Subscriptions App Timeouts App Bus.dll Bus.dll Available workers Deduplication Scaling out
  • 7. • Default storage • Bundled with NServiceBus • NH=>NServiceBus.NHibernate.dll
  • 8. It’s all in the name
  • 9. Conventions based on the endpoint name Database Orders Input queue Orders Orders Timeouts Orders.Timeouts Bus.dll Gateway url http://localhost/orders
  • 10. Naming endpoints • Defaults to your namespace • Attribute: [EndpointName(“Orders”)] • Install: /serviceName:Orders • Configure.DefineEndpointName(…)
  • 13. 3.0 Timeout manager Business Timeout Timeouts Logic Manager Timeouts App Bus.dll
  • 14. Bending time to your will • Sagas – RequestUtcTimeout<T>(…) – IHandleTimeout<T> – v2.6 Timeouts still supported • Bus.Defer<T>(…) • All endpoints have a local timeoutmanager
  • 17. Gateway SiteA Endpoint App Msmq Bus.dll Gateway Headquarter Http Endpoint Gateway Msmq App Bus.dll
  • 18. What can the gateway do for you? • Bridge physical sites • Supports multiple channels • Does de-duplication • Performs retries • Can act as a alternate channel for administrative messages • Enable Browser  NServiceBus communications
  • 20. Master Nodes Profile = Master Distributor App Timeoutmanager Bus.dll Gateway MyCluster Worker1 Worker2 MasterNode = MyCluster Profile = Worker MasterNode = MyCluster App App Profile = Worker Bus.dll Bus.dll
  • 21. Data bus File share / Blob storage Data Bus App Main transport App Bus.dll Bus.dll MSMQ / Azure Queues public DataBusProperty<byte[]> Image{ get; set; }
  • 22. Other features • Unobtrusive mode • DatabusProperty<T> • ISendMessages / IReceiveMessages • Modeling tools • Exception details attached to messages in the error queue • Client side pipeline
  • 23. Q & A
  • 24. Thanks for listening! www.nservicebus.com http://andreasohlund.net @andreasohlund