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xcat-core/docs/source/overview/differentiators.rst
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Differentiators
===============
* xCAT Scales
Beyond all IT budgets, up to 100,000s of nodes with distributed architecture.
* Open Source
Eclipse Public License. Support contracts are also available, contact IBM.
* Supports Multiple Operating Systems
RHEL, SLES, Ubuntu, Debian, CentOS, Fedora, Scientific Linux, Oracle Linux, Windows, Esxi, RHEV, and more!
* Support Multiple Hardware
IBM Power, IBM Power LE, x86_64, aarch64 (alpha support)
* Support Multiple Virtualization Infrastructures
IBM PowerKVM, KVM, IBM zVM, ESXI, XEN
* Support Multiple Installation Options
Diskful (Install to Hard Disk), Diskless (Runs in memory), Cloning
* Built in Automatic discovery
No need to power on one machine at a time for discovery. Nodes that fail can be replaced and back in action simply by powering the new one on.
* RestFUL API
Provides a Rest API interface for the third-party software to integrate with