Windows Azure Service Bus

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  • 1. Service Bus Pavlo Revenkov EPAM Cloud Computing Competency Center Email: pavlo_revenkov@epam.com Skype: rp_risingstar
  • 2. Windows Azure Queue 2 Worker-role Web-role Worker-role Web-role Worker-role
  • 3. Windows Azure Services Bus Worker-role Web-role Queue #1 Worker-role Web-role Topic Queue #N Worker-role 3
  • 4. 4 Windows Azure Queues Windows Azure Service Bus Queues - No ordering guarantee - First-In-First-Out - At-Least-Once delivery - At-Least-Once, At-Most-Once - Message size up to 64 KB - Message size up to 256 KB - Queue size up to 100 TB - Queue size up to 5 GB - One-to-one message delivery - Publish/Subscriber - Time-to-live up to 7 days - Time-to-live unlimited - In-place update - No in-place update
  • 5. Management 5 URI: sb://<namespace>.servicebus.windows.net/ Namespace Manager Management Queues Topics Subscriptions QueueClient TopicClient SubscriptionClient Send Receive
  • 6. Workflow 6 var namespaceManager = NamespaceManager.CreateFromConnectionString( CloudConfigurationManager.GetSetting(connectionString)); if (!namespaceManager.SubscriptionExists(path)) namespaceManager.CreateSubscription(new SubscriptionDescription(path)); var subscriptionClient = Microsoft.ServiceBus.Messaging.SubscriptionClient .CreateFromConnectionString(...); var message = subscriptionClient.Receive(); try { ... message.Complete(); } catch (Exception) { message.Abandon(); }
  • 7. Service Bus Relay 7 Worker-role Web-role WCF-service Client
  • 8. Configuration Everything you need is to change “*.config” file! <extensions> <bindingExtensions> <add name=“netTcpRelayBinding” type=“Microsoft...NetTcpRelayBindingCollectionElement” /> ... <behaviorExtensions> <add name=“transportClientEndpointBehavior” type=“Microsoft...TransportClientEndpointBehaviorElement” /> ... <behavior name=“sbTokenProvider”> <transportClientEndpointBehavior> <tokenProvider> <sharedSecret issuerName=“[NAME]” issuerSecret=“[KEY]” /> ... <endpoint contract=“<contractname>” binding=“netTcpRelayBinding” address=“sb://<namespace>.servicebus.windows.net/<servicename>” behaviorConfiguration=“sbTokenProvider” /> 8
  • 9. Demo 9
  • 10. References 10 How to use the Service Bus   windowsazure.com/en-us/develop/net/how-to-guides/service-bus-queues/ windowsazure.com/en-us/develop/net/how-to-guides/service-bus-topics/ Hybrid application using Service Bus Relay  windowsazure.com/en-us/develop/net/tutorials/hybrid-solution/ Windows Azure Queues vs. Windows Azure Service Bus  msdn.microsoft.com/en-us/library/windowsazure/hh767287.aspx
  • 11. Questions? 11