Blog Date: 8/15/2015
Author: Ray Coulombe

In my last column, I provided thoughts on the ONVIF specification effort, which was initiated in 2008 by Axis, Bosch, and Sony. This month, I'll turn my attention to another effort to drive system interoperability. Also founded in 2008 by over 20 companies, including Cisco, Honeywell, GE (now UTC), and Tyco, that organization is the PSIA, short for the Physical Security Interoperability Alliance (www.psialliance.org). Although neither have the power of a true standards making organization, I believe that either would claim success if their efforts became de-facto standards and widely adopted by both manufacturers and specifiers. The PSIA has created a security ecosystem, relying on seven complementary specifications, which enable systems and devices to interoperate and exchange information. Three of these - the Service Model; PSIA Common Metadata & Event Model; and the PSIA Common Security Model - provide a framework for the functional specifications, including the IP Media Device spec (video), Recording and Content Management spec (storage), Video Analytics spec, and Area Control (access control, intrusion, power management) spec.
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