Virtualization Strategies for the CIO
Email Alerts
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Virtualization widens schism between server and networking teams
Virtual networking has revived tensions between server and networking teams within data centers, but it's a dynamic both sides must embrace. Column
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A Red Hat training and virtualization quiz
Before you call yourself a virtualization pro, check your knowledge of Red Hat Enterprise Virtualization capabilities and features with this quiz. Quiz
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Virtual networking design, configuration and management guide
This guide on virtual networking architecture and management explores how to design physical and virtual networks to reduce latency and manage virtual networks efficiently. Guide
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Windows Networking
Tips and strategies to help you build and manage a secure, robust Windows network for your customers. Guide
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Networking blogs: Owning data center monitoring, push for OpenStack
In this blog roundup, see why IT needs a better approach to monitoring data centers, and how vendors differentiate by using a common infrastructure. Fast Packet | 02 May 2013
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Blog roundup: Approaching BYO Wi-Fi hotspot trend, packet capture tips
In this week's blog roundup, read about the risks and benefits of the BYO access point trend and get advice for timing packet capture. Fast Packet | 24 Apr 2013
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Emerging trends: Vendors pushing the software defined data center
Virtualization vendors have expanded operations well beyond servers. Their focus lately is on an entire software defined virtual infrastructure. Feature | 12 Nov 2012
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Software-defined storage previews intrigue VMware pros
Software-defined storage may be an attractive option for IT shops, provided they can trust new kinds of vendors with their storage management. News | 07 Sep 2012
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Reactions to VMware’s billion-dollar acquisition and vSphere 5.1
VMware has the virtualization world – skeptics and hopefuls alike – buzzing with news of potential platform-agnostic support and vSphere 5.1 features. News roundup | 27 Jul 2012
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Cisco UCS gaining serious steam
Interest in Cisco UCS is at an all time high among virtualization users. News | 03 Nov 2011
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The network and x86: Virtualization’s new frontier
In this Q&A, Vyatta CEO Kelly Herrell predicts that the next use for x86 servers will be running the network as well as compute in virtualized data centers. News | 24 Oct 2011
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Cisco takes a different tack with VXLAN
The Nexus 1000V with VXLAN support is now out in beta, but Cisco officials say inter-data center VM mobility is not a day-one use case. News | 18 Oct 2011
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Dueling IETF specs look to address VLAN scalability
Does IT really need two new network virtualization standards? Experts see a land-grab attempt by virtualization vendors looking to control the next wave of infrastructure abstraction. News | 21 Sep 2011
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Why’s the Nexus 1000V the only third-party distributed virtual switch?
Nearly three years after its debut, the Cisco Nexus 1000V is still the only third-party distributed virtual switch for VMware. Column | 31 Mar 2011
- See more News on Network virtualization
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Practicing proper NIC distribution promotes network efficiency
The way you distribute physical NICs could be affecting more than you think. Boost network efficiency with the right allocation strategy. Tip
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Will the new Hyper-V extensible virtual switch change the VM security game?
Windows Server 2012's new extensible virtual switch opens the door for agentless antivirus products – and that could change the virtual security game. Tip
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RHEV 3 networking basics: Setting up a logical network
Don't be intimidated by networking. Follow these steps to set up a logical network in RHEV 3. Tip
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How much network bandwidth is enough for virtual data centers?
Network bandwidth is a precious commodity in virtual data centers. But a 10 GbE network may be overkill in certain situations. Tip
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The extensible Hyper-V virtual switch: Finally catching up to VMware
Microsoft’s upcoming hypervisor will feature a new, extensible Hyper-V virtual switch, which will bring Hyper-V 3.0 networking up to par with vSphere. Tip
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Making the case for container-based virtualization over hypervisors
Container-based virtualization is not as popular as a traditional hypervisor, but it may be a better choice for an IT shop under the right conditions. Tip
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How promiscuous mode affects virtual network security
Enabling promiscuous mode could spell doom for your virtual network security, especially if inexperienced IT pros are at the helm. So take caution. Tip
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PVLANs in Hyper-V 3.0: Network isolation without the headaches
Microsoft Hyper-V 3.0 will introduce PVLANs, a new feature that uses IP address virtualization to solve the network isolation shortcomings of VLANs. Tip
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What the Cisco Nexus 1000V means to Hyper-V virtual networking
Hyper-V 3.0 adds support for the Cisco Nexus 1000V, which is welcome news for enterprises that need granular control over virtual networking. Tip
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Simplifying virtual networking with Converged Network Adapters
Converged Network Adapters are ideal for virtual networking consolidation. They don’t discriminate, passing both FCoE and TCP/IP traffic. Tip
- See more Tips on Network virtualization
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VMware and DMZ
Virtualization expert Andrew Kutz discusses the risks of serving both Internet and intranet content on the same ESX host. Ask the Expert
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Troubleshooting slow virtual Web servers
Virtualization expert Andrew Kutz explains how to fix a slow response on a virtualized Web server running on VMware ESX. Ask the Expert
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I/O limit statistics for various virtualization platforms
Need help finding benchmark statistics for I/O in your virtualized environment? Eric Siebert offers some suggestions in this expert response. Ask the Expert
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iSCSI, fibre channels and virtualization
Site expert James Geis gives his opinion on whether or not iSCSI is truly ready for virtualization deployments in this expert response. Ask the Expert
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Virtualization and network infrastructure challenges
Find out what challenges virtualization presents to a network infrastructure from virtualization management expert Anil Desai. Ask the Expert
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Virtual Server access to network cards and serial ports
Can Virtual Server 2005 give direct access to network cards and serial ports? Serdar Yegulalp has the answer in this expert response. Ask the Expert
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Error: Network is unreachable
A reader kept receiving the same error when attempting to run Microsoft Virtual Server and Windows Server 2003. Read this expert advice to see what Serdar Yegulalp said. Ask the Expert
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shared nothing live migration
Shared nothing live migration is a term used to describe the process of moving a virtual machine (VM) from one physical host to another, without the need for clustering or a common shared storage location. Definition
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IP address management (IPAM)
Internet Protocol address management (IPAM) is a method of tracking and modifying the information associated with a network's Internet Protocol address (IP address) space. With IPAM, administrators can ensure that the inventory of assignable IP addre... Definition
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Cisco UCS: What's its audience?
By combining virtualization, hardware and management, he Cisco UCS holds promise. But it has struggled to find its niche so far. Podcast
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Virtualization widens schism between server and networking teams
Virtual networking has revived tensions between server and networking teams within data centers, but it's a dynamic both sides must embrace. Column
-
Networking blogs: Owning data center monitoring, push for OpenStack
In this blog roundup, see why IT needs a better approach to monitoring data centers, and how vendors differentiate by using a common infrastructure. Fast Packet
-
Practicing proper NIC distribution promotes network efficiency
The way you distribute physical NICs could be affecting more than you think. Boost network efficiency with the right allocation strategy. Tip
-
Blog roundup: Approaching BYO Wi-Fi hotspot trend, packet capture tips
In this week's blog roundup, read about the risks and benefits of the BYO access point trend and get advice for timing packet capture. Fast Packet
-
shared nothing live migration
Shared nothing live migration is a term used to describe the process of moving a virtual machine (VM) from one physical host to another, without the need for clustering or a common shared storage location. Definition
-
Will the new Hyper-V extensible virtual switch change the VM security game?
Windows Server 2012's new extensible virtual switch opens the door for agentless antivirus products – and that could change the virtual security game. Tip
-
A Red Hat training and virtualization quiz
Before you call yourself a virtualization pro, check your knowledge of Red Hat Enterprise Virtualization capabilities and features with this quiz. Quiz
-
IP address management (IPAM)
Internet Protocol address management (IPAM) is a method of tracking and modifying the information associated with a network's Internet Protocol address (IP address) space. With IPAM, administrators can ensure that the inventory of assignable IP addre... Definition
-
Emerging trends: Vendors pushing the software defined data center
Virtualization vendors have expanded operations well beyond servers. Their focus lately is on an entire software defined virtual infrastructure. Feature
-
RHEV 3 networking basics: Setting up a logical network
Don't be intimidated by networking. Follow these steps to set up a logical network in RHEV 3. Tip
- See more All on Network virtualization
About Network virtualization
Even with the best virtualization software and the newest server hardware, networking performance problems and latency can frustrate users. But building virtual networks is increasingly a piece of the puzzle in any virtualized data center. And you have many factors to consider, from network interface cards to virtual switches to networking adapters to network storage devices to Fibre Channel versus Ethernet networking considerations. Your choices concerning these various networking resources can make the difference between a network that hums along and one that suffers from I/O and other performance bottlenecks. This section provides news, research and tutorials on setting up virtual networks, the pros and cons of various networking devices and technologies and provides the latest news on tools for virtual networking.