[See Sample: Context routing and throttling with orchestration] Imagine the project where most of the routing happens between orchestrations. I.e. routing is mostly between the MessageBox and orchestration with direct endpoints. Imagine also the most of the messages are with the same Message type. Usually in this case messages got the special node only for the routing. For example, the field can be the “Originator” or “Recipient” or “From” or “To”. What wrong is with this approach, it creates the ......

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[See BizTalk: Using context for routing] The sample demonstrates using orchestration for throttling and using context routing. Usually throttling is implemented on the host level (in BizTalk 2010 we can also use the host instance level throttling). This sample demonstrates the throttling with orchestration convoy, that slows down a message flow from some customers. Sample implements sort of quality service agreement layer for different kind of customers. The sample demonstrates the context routing ......

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Part 1: BizTalk: Instance Subscription and Convoys: Details This is a Part 2. I am discussing the Suspend shape together with Convoys and going to show that using them together is undesirable. In previous article we investigated the Instance Subscriptions and how they could create situation with dangerous zones in processing. Let' start with Suspend shape. [See the BizTalk Help] "You can use the Suspend shape to make an orchestration instance stop running until an administrator explicitly intervenes, ......

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This is Part 1. Part 2. BizTalk: Suspend shape and Convoy Convoys are frequently used in the in the orchestrations in BizTalk Server. Sometimes we have got contra intuitive behavior in the convoys, when messages and orchestrations get suspended in unpredictable manner. This issue is well-known, the suspended messages get name the "zombie". The name is unofficial, but issue is still there. Here I would describe in details, what, when and why this zombie situations are happen. An orchestration can ......

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