Developing an Open Horizon Pattern

Once your service has been defined and published (you’ll learn how to publish your service later in the Publishing an Open Horizon service and pattern section), for the services to be deployed and running in the Edge nodes, they need to be managed as a collection using a Pattern-based scheme or a Policy-based scheme. In this chapter, we will consider the Pattern-based scheme. A Pattern is a construct that groups a set of Service(s) into a single deployable unit on a particular node.

Note

One of the restrictions of using an Open Horizon Pattern is that an Edge node can only be registered with one Pattern at a time. You cannot deploy additional services by registering the node with another Pattern that has other Services. If you are using Pattern-based Service deployment, then you must create another Pattern with such desired combinations. Policy-based deployment alleviates this restriction. We will discuss this in the next chapter.

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