Articles Ivan Pepelnjak wrote for SearchNetworking.com, the online community dedicated to enterprise networking, describe data center, network virtualization and cloud deployment challenges:

Cloud computing

• Building a private cloud? Start slowly
• Integrating public and private cloud services
• vCloud Director: Sure, hand the network over to server admins (Fast Packet blog)

Data center

• ATA over Ethernet for converged data center networks? No way (Fast Packet blog)
• Will TRILL replace spanning tree protocol in data center networks? (quote)
• HP switches, architecture launch: Revolution or market ploy? (Fast Packet blog)
• Is OpenFlow networking bunk? What vendors don't want to discuss (Fast Packet blog)
• HP Discover: Where's the core networking evolution? (Fast Packet blog)
• Midokura Network Virtualization: Layer 2-7 Services (quote)

Network virtualization

• Live migration networking: Enter long-distance data center bridging
• vCloud and VEPA both fail in virtualization networking (Fast Packet blog)
• Long distance vMotion = traffic trombone, so why go there? (Fast Packet blog)
• Virtual network appliances: Benefits and drawbacks
• Virtualization security challenges are plentiful: What's the answer?
• Virtualization-based High Availability fallacies