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High Availability Slaves

In some scenarios, the normal DNS approach to redundancy, designed into BIND, won't deliver the performance you need.

  • Some real time mission-critical applications time out if a DNS query is not resolved fast enough
  • The standard approach – with alternate DNS servers on different IP addresses and hosts configured to switch between them – can be too slow to beat the timeout.

So a single IP address must deliver 100% uptime.  This demands high availability and rapid cutover in the event of a DNS server becoming unavailable.

DNSBOX achieves this by clustering two or more slaves.  This combines failover and load-balancing functionality to give you a highly available, high performance DNS caching service on a single IP address. 
High Availability Slaves


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