Best practices for implementing messaging security
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| The third key strategy for best performance is to make sure a
| high-availability configuration is in place from the start. Unlike other
| security appliances, such as firewalls built on fanless, diskless,
| custom-made platforms, messaging-security gateways are all Linux (or
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| occasionally Windows) servers, with the attendant potential for hardware,
| disk subsystem and even operating system failure.
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http://www.linuxworld.com.au/index.php?id=1243052571&rid=-50
Related:
Top 500 Supers: Moore's Law Is Alive and Well
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| There are two Windows-based clusters, and 42 machines that run a mix
| of operating systems--and one of those operating systems in the mix is
| always a Linux and the other is a variant of Unix. If you want to be
| fair, Linux is represented on 86 percent of the machines...
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http://www.itjungle.com/tlb/tlb071007-story02.html
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