vAssure™ is VSS Monitoring proprietary technology for tapping Gigabit copper links so that the failover/switchover of the network connection from a tapped state to a directly-connected state (in the event of tap power-on, power-off or link state change) registers under 100ms (typically 30-60ms). This feature is critical to the operation of outage-sensitive networks. Without vAssure, the normal time to establish a link (in standard auto-negotiation mode) is between 1-3 seconds, where anything over 200ms will cause the link to drop.
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