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You are here: Home / Buildings / Fairhair Specification enables IoT in commercial buildings via common IT infra

Fairhair Specification enables IoT in commercial buildings via common IT infra

July 15, 2019 by Juan Pedro Tomás

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The Fairhair Alliance has announced the publication of the Fairhair Specification, which defines a common Internet Protocol-based network infrastructure for buildings, independent of the application ecosystem, and based on open standards.

Fairhair is an organization of companies from the lighting, building-automation, semiconductor and IT industries that have the shared goal of facilitating the deployment of Internet of Things (IoT) technology in commercial buildings.

Fairhair’s approach will enable information exchange between various building-automation systems, for example lighting or HVAC. The entity highlighted that today’s systems are typically self-contained and isolated from each other. When the systems become part of a common building-wide IT infrastructure, this allows building administrators to have cross-domain, streamlined control, according to Fairhair.

As well as the critical aspect of security, the Fairhair specification includes other essential elements such as resource discovery and identification. In fact, Fairhair says it originally dealt with these features in separate draft specifications but has since consolidated its work into a single publication.

“The Fairhair Specification represents the culmination of several years of hard work by our members, in collaboration with our liaison partners and other organizations,” said Ruud van Bokhorst, secretary-general of the Fairhair Alliance.

“We have shared our specification with our partners, and adoption has already started. We expect that different SDOs [standards-developing organizations] will adopt various features of the Fairhair specification and build these into their own standards.”

The Fairhair application framework sits on top of a generic UDP/IP service that provides a medium-independent transport over wired or wireless physical interfaces. To interface to the UDP/IP stack, Fairhair uses services provided by the IETF Constrained Application Protocol (CoAP; RFC7252) for resource-constrained devices.

For security, Manufacturer Usage Descriptions are a means for manufacturers to communicate what sort of access a device needs, such that basic access controls can be deployed. Bootstrapping Remote Secure Key Infrastructure (BRSKI), developed by the IETF ANIMA working group, provides a means to introduce devices into a system in a secure and automated manner including provisioning of cryptographic X.509v3 certificate-based device identities. These device identities are used to control which devices are allowed to join the network, to establish secure communication, to group devices into security zones motivated by application and administrative boundaries, and to provide the basis to set application-level authorization that limit the scope of what devices are allowed to do with other devices within and outside their security zone.

Some of the alliance’s members include Cisco, Lutron Electronics, Osram, Siemens, Signify and Silicon Labs.

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Filed Under: Buildings

About Juan Pedro Tomás

Juan Pedro covers Global Carriers and Global Enterprise IoT. Prior to Arden Media Company, Juan Pedro worked for Business News Americas, covering telecoms and IT news in the Latin American markets. He also worked for Telecompaper as their Regional Editor for Latin America and Asia/Pacific. Juan Pedro has also contributed to Latin Trade magazine as the publication's correspondent in Argentina and with political risk consultancy firm Exclusive Analysis, writing reports and providing political and economic information from certain Latin American markets. He has a degree in International Relations and a master in Journalism and is married with two kids.

Contact Juan Pedro at [email protected]

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