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Network virtualization

• Solve these common NIC team problems in Hyper-V

  Before you encounter noncompliant hardware, integrated security errors and configuration issues, read this expert advice so you know what to do when the time comes. Continue Reading

• Which Hyper-V network virtualization deployment Model you should choose?

  Understanding the differences between Hyper-V network virtualization deployment models will help you choose the approach that will work best for you. Continue Reading

• Using bridge devices as a connection in a KVM virtual network

  Creating a bridge device is an important step in getting your KVM virtual network working properly. Continue Reading

• IP conflict resolution: Integrating your IPAM server with SCVMM

  Integrating your IPAM server with System Center Virtual Machine Manager allows for end-to-end IP management, even with multiple virtual networks. Continue Reading

• An introduction to SDN can help server admins reach across silo lines

  At a time when the software-defined data center promises to blur the lines of IT silos, it's important for server admins get an introduction to SDN. Continue Reading

• How VMware NSX differs from other network virtualization software

  Network virtualization software like VMware's NSX differs from virtualization technologies like software-defined networking regarding traffic direction.Continue Reading

• Hyper-V networking strategies for a software-defined world

  Software-defined networking can help you address tough Hyper-V networking challenges, but only if you understand the basics and can leverage it.Continue Reading

• When setting up VLANs makes sense in your virtual data center

  Modern hypervisors offer alternatives for creating isolated traffic streams, but there are still some important use cases for a virtual LAN.Continue Reading

• VirtIO, PCI pass-through offer better KVM network performance

  Poor KVM network performance got you down? See what VirtIO drivers and PCI pass-through disks can do for your data center.Continue Reading

• Using and configuring Hyper-V virtual Fibre Channel

  You won't use Hyper-V's virtual Fibre Channel feature for every VM, but it can help you virtualize more storage-demanding workloads.Continue Reading

• Creating a bridged network interface on a KVM host

  A bridged network interface is often absent from KVM hosts, but a few simple commands will help you create one in your RHEL infrastructure.Continue Reading

• Hyper-V 3.0 opens new virtualization doors with virtual Fibre Channel

  Hyper-V 3.0 allows VMs to connect to a SAN through a virtual Fibre Channel adapter, making even more servers good candidate for virtualization.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• Network virtualization technology FAQ

  Network virtualization lets you break one physical network into many virtual networks or combine physical networks into one virtual network.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• Network consolidation and virtualization solve management problems

  Consolidation and virtualization are a natural fit, but not just for servers. Network consolidation can also benefit your virtual infrastructure, as long as you focus on security.Continue Reading

• Choosing the best server virtualization hardware and storage protocols

  Choosing the right server virtualization hardware and storage protocol can reduce network virtualization infrastructure costs substantially.Continue Reading

• Killing Hyper-V high-availability cluster services and network issues

  Killing Hyper-V high-availability cluster services is never an easy decision. This tip covers when and how to pull the plug on clusters and how to solve network issues.Continue Reading

• Raising the I/O virtualization bar with Xsigo Systems' VP780 IO Director

  With Xsigo Systems' I/O virtualization technology, you can dramatically reduce the complexity involved in managing your cables and switching and reduce troubleshooting time.Continue Reading

• The best virtualization hardware guide

  This best virtualization hardware guide explains the key hardware to consider whether you're implementing first-time virtualization or existing upgrading data center infrastructure.Continue Reading

• Afore Solutions' ASE: Enabling long-distance VMotion over a WAN

  Enabling long-distance live migration of virtual machines across a WAN, Afore Solutions' Advanced Service Edge enhances virtual server management without downtime.Continue Reading

• Cisco UCS review: Integrating server, storage, network management

  Cisco's UCS, or Unified Computing System architecture, is a standout hardware for virtualization technology by integrates server hardware, storage and network management.Continue Reading

• Using subnets to isolate network traffic in Hyper-V

  In a Hyper-V environment, isolating network traffic through a series of subnets and network interface cards can prevent against failures and security breaches.Continue Reading

• How to configure VLANs with a network design diagram

  Even though Hyper-V lacks a network visualization tool, there are other ways to create a network design diagram to help you configure VLANs and add virtual switches.Continue Reading

• Hyper-V NIC teaming support: Simpler than you think

  Microsoft's convoluted stance on Hyper-V networking interface card teaming support caused a stir, but it's actually quite simple –and similar to other support agreements.Continue Reading

• Selecting storage hardware for a virtual deployment

  Storage hardware is a critical component of a host server in a virtual infrastructure. As a result, knowing your requirements and workloads is critical. An expert explores what you should consider when selecting network and storage adapters, and ...Continue Reading

• Configuring Hyper-V virtual networks

  Configuring virtual networks in Hyper-V can be achieved using virtual local area network (VLAN) trunks.Continue Reading

• Securing virtual environments: Three considerations

  If you approach virtual environment security by viewing elements such as a hypervisor and management applications in isolation, you invite breaches and risk. This tip outlines three common risks to virtual environments and how to prevent them.Continue Reading

• Comparing I/O virtualization products

  Finding the I/O virtualization approach that is appropriate for your environment depends on your specific business needs. In part three of this series on virtualizing I/O, contributor Scott Lowe discusses the differences between various I/O ...Continue Reading

• Maximizing I/O virtualization

  Use I/O virtualization to consolidate virtual server workloads and reduce port and NIC overcrowding with this tip.Continue Reading

• Benefiting from I/O virtualization

  A new form of virtualization, I/O virtualization, can provide greater flexibility and utilization as well as faster provisioning. Expert Scott Lowe explains the potential gains to be made by deploying I/O virtualization on a network.Continue Reading

• Network-bridge and ifconfig: Configuring Xen networks on Linux

  Learn how to use network-bridge and ifconfig commands with Xen on SUSE Linux Enterprise to control the network bridge and see all available interfaces on your network.Continue Reading

• Networking problems the next virtualization hurdle?

  Add networking problems to the list of concerns for virtual environments, including network traffic gluts, too few network interface cards, and poor network security.Continue Reading

• XenExpress tutorial: Introduction and installation

  This two-part series offers an introduction to XenExpress. You'll learn how to download and install XenExpress, and, best of all: how to get started with XenExpress for free.Continue Reading

• VMware and DMZ

  Virtualization expert Andrew Kutz discusses the risks of serving both Internet and intranet content on the same ESX host.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• How to optimize network performance with Microsoft Virtual Server 2005

  In this tip, expert Anil Desai presents some ways to design networks with virtualization performance in mind.Continue Reading