Planning for Server Virtualization • Chapter 5 321
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As was the case with monolithic hypervisor, microkernel hypervisor also has its
advantages and disadvantages. Some key advantages are:
■Reduced vulnerability to security invasions It reduces the vulnerability
to security invasions within the hypervisor layer caused by the potential
threat from malicious code being embedded in driver software. This means
that hackers no longer have the ability to compromise multiple virtual
machines with one attack. They are once again limited to one-by-one-style
attacks on individual virtual machines running above the hypervisor layer.
■
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