Chapter 11. Exploring .NET Service Bus Queues and Routers
Microsoft .NET Services and the .NET Service Bus deliver the following three additional components that this book hasn't covered yet:
.NET Workflow Service (WFS) provide a highly scalable and reliable cloud-based host for Windows Workflow Foundation (WF) running as .NET code in the Azure Fabric.
Service Bus Queues (SBQs) provide a durable first-in, first-out (FIFO) data structure to which senders can add and from which listeners can retrieve messages.
Service Bus Routers (SBRs) handle delivery of durable messages to all (multicast) or individual subscribers. Listeners, including queues, can subscribe to these messages.
Note
The .NET Services SDK (March 2009 CTP) introduced SBQs and SBRs.
The .NET Services Team announced on June 12, 2008 that they "would hold off further releases of the Workflow Service until after .NET Framework 4 ships" to enable building the Workflow Service on .NET Framework 4's workflow engine. The team took down Windows Azure's Workflow Service runtime in July 2008 and removed Workflow Service elements from the SDK for .NET Services July 2009 CTP. An updated electronic version of this chapter that includes a sample Workflow Service project for VS 2010 will be posted to the Wrox Website for this book as soon as possible after the team ships the first CTP of Workflow Services for .NET 4.0.
This chapter describes basic features and implementations of SBQ and SBR components and provides simple C# demonstration ...
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