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From: JCnieuwenj10/5/2016 5:41:24 AM
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Oracle's new Cloud

sdxcentral.com

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The Network

Network virtualization, for connecting the various servers associated with an application, is common in hyperscale data centers. For Oracle, the twist is that it’s performed by a hardware element — a “bump in the wire,” says Oracle architect Pradeep Vincent — that’s sitting outside the host server.

That’s in contrast to approaches such as VMware NSX, where virtualization is run by the hypervisor.

Ellison described the off-box element as “software that runs on our special network interface adapter card,” but Oracle isn’t providing any other detail.

Oracle claims this method provides better isolation because even if a server or hypervisor is breached, the attacker will be stuck on one virtual network, developer Brar says. Any attempt to jump to another virtual network would be stopped by that network’s off-box elements because they wouldn’t consider the traffic source legitimate.






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