The IoT Is A Big Headache For Software Developers

If you want to know the future of an important technology, it pays to look at what the software developers are doing and a new survey of IoT developers reveals that connectivity, performance, and standards are growing areas of concern as IoT projects hit production.

There survey delivers some real insights for the entire internet of things (IoT) community to be gained in a new survey of more than 1,700 IoT developers conducted by the Eclipse Foundation.

IoT connectivity concerns
Perhaps not surprisingly, security topped the list of concerns, easily outpacing other IoT worries. But that's where things begin to get interesting. More than a fifth (21%) of IoT developers cited connectivity as a challenge, followed by data collection and analysis (19%), performance (18%), privacy (18%), and standards (16%).

Connectivity rose to second place after being the number three IoT concern for developers last year. Worries over security and data collection and analysis, meanwhile, actually declined slightly year over year. Responding to a question Mike Milinkovich, executive director of the Eclipse Foundation said,“If you look at the list of developers’ top concerns with IoT in the survey I think connectivity, performance, and standards stand out, those are speaking to the fact that the IoT projects are getting real, that they’re getting out of sandboxes and into production.”

“With connectivity in IoT,” Milinkovich continued, “everything seems straightforward until you have a sensor in a corner somewhere, narrowband or broadband, and physical constraints make it hard to connect."

He also cited a proliferation of incompatible technologies that is driving developer concerns over connectivity.

IoT standards and interoperability
Milinkovich also addressed inter-operability. “Standards is a proxy for interoperability” among products from different vendors, he explained, which is an “elusive goal” in industrial IoT (IIoT)

“IIoT is about breaking down the proprietary silos and re-tooling the infrastructure that’s been in our factories and logistics for many years using OSS standards and implementations, standard sets of protocols as opposed to vendor-specific protocols,” he said. That becomes a big issue when you’re deploying applications in the field and different manufacturers are using different protocols or non-standard extensions to existing protocols and the machines can’t talk to each other.

“This ties back to the requirement of not just having open standards, but more robust implementations of those standards in open source stacks,” Milinkovich said. “To keep maturing, the market needs not just standards, but out-of-the-box interoperability between devices.”

“Performance is another production-grade concern,” he said. “When you’re in development, you think you know the bottlenecks, but then you discover the real-world issues when you push to production.”

Cloudy developments for IoT
The survey also revealed that in some ways, IoT is very much aligned with the larger technology community. For example, IoT use of public and hybrid cloud architectures continues to grow. Amazon Web Services (AWS) (34%), Microsoft Azure (23%), and Google Cloud Platform (20%) are the leading IoT cloud providers, just as they are throughout the industry. 

If anything, AWS’ lead may be smaller in the IoT space than it is in other areas, though reliable cloud-provider market share figures are notoriously hard to come by.

But Milinkovich sees industrial IoT as “a massive opportunity for hybrid cloud” because many industrial IoT users are very concerned about minimizing latency with their factory data, what he calls “their gold.” He sees factories moving towards hybrid cloud environments, leveraging “modern infrastructure technology like Kubernetes, and building around open protocols like HTTP and MQTT while getting rid of the older proprietary protocols.”

How IoT development is different 
In some ways, the IoT development world doesn’t seem much different than wider software development. For example, the top IoT programming languages mirror the popularity of those languages over all, with C and Java ruling the roost.
But Milinkovich noted that when developing for embedded or constrained devices, the programmer’s interface to a device could be through any number of esoteric hardware connectors.

“You’re doing development using emulators and simulators, and it’s an inherently different and more complex interaction between your dev environment and the target for your application,” he said. “Sometimes hardware and software are developed in tandem, which makes it even more complicated.”

For example, building an IoT solution may bring in web developers working on front ends using JavaScript and Angular, while backend cloud developers control cloud infrastructure and embedded developers focus on building software to run on constrained devices. No wonder IoT developers have so many things to worry about. 

Network World

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