Clustering software vs hardware clustering – simplicity vs complexity

This article compares a clustering software with its load balancing, real-time replication and automatic failover features and hardware clustering solutions based on shared disk and load balancers.

Comparison: clustering software vs hardware clustering

Simplicity of a clustering software vs a hardware clustering

ArchitectureSafeKit clustering software
SafeKit clustering software
Hardware clustering Server cluster - Hardware clusteringHardware load balancersHardware network load balancing and farm clustering
Features(1) File replication
(2) Failover toolkit
(3) Network load balancing
(1) Disk replication
(2) Failover toolkit
(1) Network load balancing
HardwareStandard physical servers, virtual servers or CloudDedicated storage (shared or replicated)Dedicated network load balancing boxes
SoftwareStandard editions of Windows, Linux and databases (even the PC and free editions)Enterprise editions of OS and databasesSoftware modules in the load balancers
SkillsNo specific IT skills for deploying SafeKitHigh level skills in storage and OSHigh level skills in network

Clustering software configuration examples (databases, web services)

Here are some examples of mirror application modules:

Here are some examples of farm application modules:

Understand clustering software vs hardware clustering with a video

More comparisons to understand how to achieve simplicity with a clustering software


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