Saturday, 8 June 2013

How are IaaS Virtual Machines Isolated?

How are IaaS Virtual Machines Isolated?

I am currently examining Hypervisor firewalls for my graduate thesis, but I unfortunately don't have a lot of experience with IaaS environments. How are IaaS Virtual Machines network isolated from each other (if at all)?
Do IaaS Providers solely rely upon VLAN's for network isolation? Are IaaS VM's bridged onto a network to obtain an IP? Can most IaaS VM's ping other VM's that are present on the same Hypervisor?
Thank You

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