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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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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
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Infoblox connects IP address management with vCenter
A new product called IPAM Insight pulls in information from vCenter to give users a unified view of the Layer 2 and Layer 3 networks in virtualized environments. News | 15 Feb 2011
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Prepping for IT services? Virtualize and centralize resources
Before even considering IT as a Service, you have to lay some groundwork. Virtualizing everything and centralizing resources are key, but is your infrastructure ready? Article | 28 Oct 2010
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Citrix's Project Cowley adds distributed virtual switch to XenServer
Known as Project Cowley, the beta release of a XenServer 5.6 feature pack includes a new distributed virtual switch and other features to bring greater parity between XenServer and VMware. Article | 01 Oct 2010
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VMware users yearn for Cisco 1000V competition
With advanced networking announcements coming at VMworld, users say want more competition, standardization and lower costs to link virtual and physical network management. Article | 20 Aug 2010
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'Wire once and walk away' boosts data center efficiency
Server virtualization, blades and converged infrastructure can improve data center efficiency by reducing cabling and management demands. Column | 19 Aug 2010
- See More: News on Network virtualization
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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
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Q&A: Network virtualization benefits and challenges
An expert explains the technical process behind network virtualization and the difference between internal and external virtual networks. Q&A
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10 GbE: Cutting cabling, boosting virtualization network management
Embrace the new age of 10 Gbps Ethernet. On a virtualization network, you can aggregate traffic on just two 10-GbE NICs instead of several 1-GbE NICs. Tip
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Network virtualization technology FAQ
Network virtualization lets you break one physical network into many virtual networks or combine physical networks into one virtual network. FAQ
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Using redundant network architecture and storage pools for HA
Building a redundant network architecture and placing all your VMs on a storage pool is an efficient way to achieve high availability in your virtual data center. Tip
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Do you need a 10 GbE network for your virtual infrastructure?
Once considered too expensive, a 10 GbE network is now feasible for virtual infrastructure -- but not always necessary. Before you upgrade your network, weigh the considerations . Tip
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Build network redundancy into your open source virtual infrastructure
Building network redundancy into an open source virtual infrastructure allows for several options, but all require bond devices and at least one virtual bridge. Tip
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Live Migration: Troubleshooting storage and network configurations
For Live Migration to function correctly in Hyper-V environments, the proper storage and network configurations must be in place. This tip shows you what to watch out for. 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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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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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
-
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
-
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
-
Cisco UCS gaining serious steam
Interest in Cisco UCS is at an all time high among virtualization users. News
-
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
-
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
-
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
-
Q&A: Network virtualization benefits and challenges
An expert explains the technical process behind network virtualization and the difference between internal and external virtual networks. Q&A
-
10 GbE: Cutting cabling, boosting virtualization network management
Embrace the new age of 10 Gbps Ethernet. On a virtualization network, you can aggregate traffic on just two 10-GbE NICs instead of several 1-GbE NICs. Tip
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Network virtualization technology FAQ
Network virtualization lets you break one physical network into many virtual networks or combine physical networks into one virtual network. FAQ
- 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.