Pool Network Resources with PCI Express I/O Virtualization

Data centers have been turning to a variety of virtualization technologies, including PCI Express I/O Virtualization.

By Enterprise Networking Planet Staff | Posted Mar 30, 2010
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Virtualization allows the physical network I/O switch and server blade hardware to be pooled and shared across multiple applications, something data centers in recent years have been turning to. as mentioned in this Embedded.com article, with I/O Virtualization, servers - virtual or physical - require connectivity and bandwidth to clients, other servers, networked storage and to their local Direct-Attached Storage (DAS).


"Initially focusing on managing server sprawl through physical hardware consolidation, this is now becoming a critical technology supporting business agility and continuity, and is a key component of the 'cloud,' which aims to deliver flexible opex-based application execution.

"I/O Virtualization (IOV) follows the same concept. Servers - virtual or physical - require connectivity and bandwidth to clients, other servers, networked storage and to their local Direct-Attached Storage (DAS).

"Instead of providing each server with dedicated adaptors, cables, network ports and disks, IOV separates the physical I/O from the servers, leaving them as highly compact and space efficient pure compute resources such as 1U servers or server blades. The I/O from multiple servers can now be consolidated into an 'IOV Switch'."

Read the Full Story at Embedded.com

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