Implementing Domain-Driven Design

Publishing Notifications as RESTful Resources

The REST style of Event notification works best when used in an environment that follows the basic premises of Publish-Subscribe. That is, many consumers are interested in the same events that are available from a single producer. On the other hand, if you attempt to use the REST-based style as a Queue, the approach tends to break down. Here is a summary of the good and the bad of the RESTful approach:

• If potentially many clients can go to a single well-known URI to request the same set of notifications, the RESTful approach works well. Essentially notifications are fanned out to any number of polling consumers. This follows the basic Publish-Subscribe pattern, even though it uses the pull model ...