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The IIC Publishes Advice for Managing and Assessing Trustworthiness for IIoT

By Ken Briodagh
August 06, 2019

The Industrial Internet Consortium (IIC) has published its “Managing and Assessing Trustworthiness for IIoT in Practice” white paper, according to a recent release. The paper is written to serve as an introductory guide to trustworthiness in IIoT, including a definition of trustworthiness, examples and a best-practice approach to managing trustworthiness in IIoT systems.

“The fact is that it is possible to have ‘too much’ trustworthiness,” said Jim Morrish, co-Chair, IIC Business Strategy and Solution Lifecycle Working Group. “Trustworthiness costs, in terms of the costs of devices and associated software, and also often in terms of user experience and functionality. A trustworthiness solution for a nuclear processing plant would be an unnecessary hindrance to the day-to-day operations of a peanut butter manufacturer.”

The white paper’s approach to managing trustworthiness is comprised of four phases, the group said: baselining the system, analyzing potential trustworthiness events, implementing trustworthiness targets and governance, and iterating and maintaining the resulting trustworthiness model.

“This whitepaper demonstrates that trustworthiness is more than just another academic phrase to describe expectations of stakeholders, operators and users of an IIoT system,” said Marcellus Buchheit, President and CEO, Wibu-Systems USA, cofounder, Wibu-Systems AG in Germany and co-chair, IIC Trustworthiness Task Group. “This paper presents several models that show how trustworthiness can be practically used in business decisions to increase trust in an IIoT system under the impact of business reality and constraints.”

The white paper also highlights that trustworthiness is not a static concept. “An IIoT system must address trustworthiness requirements throughout the lifecycle of the system. This means that industrial IoT trustworthiness is not a project with a finite start and a finite end. It is a journey that must be powered by an established program,” said Bassam Zarkout, founder, IGnPower and co-author of the paper.

“Security is already recognized as one of the most important considerations when designing an IIoT system,” said Frederick Hirsch, Standards Manager, Fujitsu, and co-chair, IIC Trustworthiness Task Group. “This white paper expands on that thinking by recognizing that safety, privacy, reliability and resilience need to be considered in conjunction with security to establish trust that IIoT systems will not only be functional but also will not harm people, the environment or society.”

The white paper discusses a live example of an IIoT system analyzed from a trustworthiness perspective at Fujitsu’s Factory Operation Visibility & Intelligence (FOVI) system (and IIC testbed), which has the primary goal of bringing more visibility of operations to plant managers in near-real time. The goal is to reduce human errors, bring more predictability to product assembly and delivery, and optimize production all while ensuring a sufficient level of trustworthiness.

“FOVI highlights how the different aspects of trustworthiness can impact business performance,” said Jacques Durand, Director, Engineering and Standards, Fujitsu, co-Chair, IIC Business Strategy and Solution Lifecycle Working Group, and member of the IIC Steering Committee. “For instance slowing down a production line can reduce costs associated with stress on machinery and machine operators, but such a course of action may also adversely impact productivity or lead time. In the white paper we highlight the need to understand trade-offs and to use metrics in a data-driven and intelligent manner.”

The full IIC Managing and Assessing Trustworthiness for IIoT in Practice white paper and a list of IIC members who contributed can be found here.




Edited by Ken Briodagh
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