With Perpetual licensing, the customer “owns and maintains” the software license.

RTC Dongle (Black) – Used for Subcription Licenses Non-RTC Dongle (Purple) – Used for Perpetual Licensesįollows is a more detailed explanation of Perpetual vs.

Pictures of the two dongle types are provided below. For Perpetual licenses, which are not date-limited, a non-RTC dongle will be supplied. This independent RTC enables VideoFOCUS to reliably manage the subscription term, even when an internet connection to a trusted time server (e.g. When a Subscription license is purchased with USB Dongle Activation specified, a special RTC dongle having its own real-time clock (or “RTC”) on board will be supplied at no additional cost. As of Version 6.0, Salient Sciences additionally offers USB Dongle Activation for Subscription licences, allowing these date-limited licenses to be shared across multiple machines and operated without an internet connection in the same way as dongle-based Perpetual licenses – an important consideration for workstations housing sensitive data. Since the release of Version 4.0 in 2012, both Perpetual and Subscription licensing have been available for all VideoFOCUS software products.

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