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iDTronic releases new Android-based RFID reader ••• Research and Markets explores global RFID transponder market ••• Ayla Networks adds Google Cloud platform support to its IoT platform ••• Ayyeka announces LoRa support for IoT gateway ••• CoreKinect, Cox Communications team up for IoT solutions ••• Wireless Broadband Alliance establishes IoT roaming requirements.
By Rich Handley

Wireless Broadband Alliance Establishes IoT Roaming Requirements

The Wireless Broadband Alliance (WBA) has published a white paper titled: "IoT Interoperability: Dynamic Roaming," which investigates how existing Wi-Fi roaming capabilities could help the Internet of Things (IoT) market with the evolution of IoT device roaming, ensuring those devices can seamlessly talk to each other. The aim of the study is to provide a framework for IoT roaming, and to demonstrate the value and opportunities to enhance the functionality for existing technologies with the use of the WBA's Wireless Roaming Intermediary eXchange (WRIX) specification, in areas such as authentication, financial and data clearing, invoicing, security and automation.

During the past 10 years, the WBA has provided building blocks that are scalable and allow operators to build revenue streams in the Wi-Fi world. The ecosystem now leverages more frictionless business opportunities, the organization reports, and IoT players may benefit from similar opportunities.

While roaming is being accomplished on different types of networks, such as cellular and Wi-Fi, the diversity of devices and the exponential growth in the market—forecast at more than 20 billion IoT devices by 2020—means there is a distinct need for interoperability to allow the cross-network roaming of devices. The white paper addresses the need to find a dynamic way for devices to search for a computable network and automatically roam at scale without intervention. It focuses on common requirements to enable IoT devices to connect to a non-home access network, successfully authenticate, enable accounting and facilitate subsequent billing while taking into consideration potential security and scalability concerns.

The study outlines how WRIX—the use of a modularized set of specifications to facilitate roaming between operators—can be used across the IoT market for lessons learned, best practices and standards when developing each technology's roaming specifications. Using the WRIX specification as a guideline for roaming, organizations can prepare their networks to facilitate simple, seamless and secure IoT connectivity for users.

The report highlights several areas in which WRIX can be used or enhanced to address the immediate challenge of massive scalability, such as adding RADSEC capabilities to the WRIX framework to enhance the security of IoT applications and enable automatic security for new deployment scenarios; using the WRIX framework as best practice to address the issue of identity and authentication between security domains; and expanding the current WRIX definitions and specifications to include LoRa Alliance and MulteFire Alliance roaming support, to allow other IoT use cases to be supported. For IoT technology that was built from the ground up (and, therefore, involves a specific assessment on interwork possibilities), the WBA outlines collaboration opportunities.

"Cross-network device roaming is becoming increasingly important to fulfil the vast scalability requirements of the IoT. Yet deploying IoT roaming services is no easy feat, and the process will take several years," said Tiago Rodrigues, the WBA's general manager, in a prepared statement. "The industry must work together, which is why the WBA is advocating the use of WRIX to provide industry-wide standards for service providers. Having identified several areas where the framework can be enhanced, the WBA is now working to evolve WRIX to increase its capabilities, longevity, and industry value to support IoT roaming use cases."

The new framework will be trialed by the WBA and its members, using experience acquired with previous end-to-end interoperability trials, such as Next Generation Hotspot (NGH). The WBA is also in discussions with several industry alliances, including the LoRa Alliance, the MulteFire Alliance and Eduroam, regarding the development of a roaming framework for specific IoT technologies similar to the WRIX approach for Wi-Fi roaming.

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