Case Studies


Doppelganger
by John Vossler

Develop an economical method to provide non-realtime synchronization of UNIX and Linux systems over either a LAN or WAN. The synchronized systems to be used as backups in the event of equipment failure or a site wide disaster. This project used developed code and required no additional hardware, software or licenses.

Stretched Clusters - Eliminating the Need for Disaster Recovery
by John Vossler

Clustering servers for HA (High Availability) has been with us for several decades. The basic concepts have not changed during that time but the tools for implementing clusters have matured considerably. The one basic characteristic of clusters that is only now being changed by the IT industry is the physical geographic footprint of the cluster... [more...]





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