Conceptually, the IoT has been discussed at great lengths over the past few years. “Why IoT?” has been asked, use cases have been explored, and many implementations are underway. The shift from concept to implementation is now sparking new discussions.
Industrial users and systems integrators are asking the “what” and “how” of IoT, wondering what technology is best and how integration will work between various applications. These discussions extend to the manner in which connected devices communicate, both in “the fog” at “the edge,” and with higher-level systems and “the cloud.”
What are the open standards and protocols connecting assets within the Industrial Internet of Things (IIoT)? What are the pros and cons of the request/response and publish/subscribe protocol models? And how can you determine which methods or protocols best fit your Industry 4.0 needs? Let’s take a look.