PubSub Messaging with NService Bus Bernard Kowalski Microdesk

Pub/Sub Messaging with NService. Bus Bernard Kowalski, Microdesk Inc email: bkowalski@microdesk. com

PART I – Introduction and Basic Concepts of NService. Bus 1. What is NService. Bus? 2. Transport – MSMQ 3. Messaging models 4. Endpoint configuration 5. Generic host 6. Define and send a message 7. Handling a message 8. Sagas 9. Unit testing 10. Other NService. Bus processes PART II - Code Examples 1. Simple send message – configuration 2. Pub/Sub 3. Saga PART III - Discussion

What is NService. Bus ? www. nservicebus. com

Message transport - MSMQ Durable and Transactional

Messaging models: 1. Store and Forward 2. Request/Response 3. Publish/Subscribe

Store & Forward Messaging

Request / Response

Publish / Subscribe

Publish / Subscribe

Endpoint configuration

Endpoint configuration

Endpoint configuration

Generic Host

Generic Host NService. Bus. Host. exe

Generic Host

Generic Host Three built in configuration options: 1. As. A_Client 2. As. A_Server 3. As. APublisher

Generic Host

Define and send a message

Define and send a message

Handling a message

Sagas

Unit Testing

Other NService. Bus Processes • • Distributor Gateway Proxy Timeout

Distributor http: //www. nservicebus. com/

Gateway http: //www. nservicebus. com/

Proxy No Proxy Site A Site B Client Remote Server Client Hash(MSG) http: //www. nservicebus. com/

Proxy Client Site B Site A Client Proxy Client http: //www. nservicebus. com/ Remote Server

Timeout http: //www. exaclair. com/

PART II – Demo Application

PART III – Discussion

References : 1. http: // www. nservicebus. com 2. http: //tech. groups. yahoo. com/group/nservicebus/