Virtualization

Virtualization management: What you need to know about the Nexus 1000v

Cisco's Nexus 1000v platform gives network administrators some familiar tools to oversee virtual networks.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 | 24 Apr 2013

Essential tips for virtualized network integration and management

To fully embrace virtual networks, these essential tips can help your organization maximize those efforts into server and storage virtualization.Tip

NVGRE (Network Virtualization using Generic Routing Encapsulation)

NVGRE (Network Virtualization using Generic Routing Encapsulation) is a network virtualization method that uses encapsulation to create large numbers of virtual LANs (VLANs) for subnets that can extend across dispersed data centers and Layers 2 and 3.Definition

HP blends WLAN controller into wired switching to support BYOD

HP offers WLAN controller module for campus core chassis and a switch with WLAN control functionality for integrated wired and wireless networking.News | 21 Feb 2013

Networking blog roundup: Cisco SDN controller and a new SDN consortium

In this blog roundup, read about the reveal of the Daylight project, updated details of the Cisco SDN controller and tips for virtual packet sniffing.Fast Packet | 15 Feb 2013

Networking blog roundup: Peek at VMware-Nicira network virtualization

In this networking blog roundup bloggers discuss VMware-Nicira network virtualization, the impact of the Open Compute project and their hopes for VDI.Fast packet | 04 Feb 2013

Cisco VDI: Support real-time apps by cutting out the data center

Cisco VDI now supports real-time Jabber capabilities -- like voice and video-- by cutting out the round trip to the data center.News | 21 Jan 2013

Trends in networking 2012: Top ten Fast Packets

These top ten Fast Packets from SearchNetworking.com contributors and editors reflect on the most conversation-worthy networking trends in 2012.Feature

Software-defined network technology interest now, future investment

Survey trends reveal IT professionals have interest in software-defined network technology but are not ready to bring the technology to primetime.Slideshow

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

Defining a strategy for using virtual switches in your network

As you plan a strategy to up the number of virtual switches in your network, brush up on distributed and non-distributed virtual switch choices.Opinion

Palo Alto Networks adds virtual firewall, targeted malware protection

Palo Alto Networks launched new virtual data center security features, including a virtual firewall, malware protection and large-scale management.News | 14 Nov 2012

Big Switch Networks' new-world order ... without Cisco and VMware

Big Switch Networks has partnered with every major networking and hypervisor vendor for software defined networking -- except Cisco and VMware.News | 13 Nov 2012

Big Switch Networks: SDN, network virtualization, an army of partners

Big Switch Networks has launched an OpenFlow controller, network virtualization platform and monitoring tool, and lined up hardware vendors.News | 13 Nov 2012

Brocade-Vyatta deal: Enhanced virtualization networking, not quite SDN

The Brocade-Vyatta acquisition will result in tightly linked virtual and physical networks, but it it's not quite software defined networking.News | 06 Nov 2012

New Cisco ASA clustering feature enables 320 Gbps firewall

Cisco has enhanced its data center security story with a new Cisco ASA clustering feature for 320 Gbps firewall capacity and a new virtual firewall.News | 13 Sep 2012

New VMware networking features at VMworld, but no Nicira info

VMware debuted a network virtualization package, vCloud Networking and Security, and updated distributed vSwitch at Vmworld, but no Nicira details.News | 28 Aug 2012

The storage hypervisor: Virtualization is about more than the server

Implementing a separate storage hypervisor can make it easier to manage both wide-scale storage virtualization and the server virtualization environment.Tip

Network diagnostics that see through virtualization

Running network diagnostics for virtualization requires a new set of strategies that involve virtual switches, virtual network probes and rerouting traffic for analysis.Feature

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

OpenStack vs. CloudStack: What's the best approach?

When it comes to OpenStack vs. CloudStack, IT managers need to understand the difference between the open source cloud-computing management architectures.Expert Tip

How virtual switching integrates the network edge

Learn how a cloud provider and a collocation center use virtual switching to integrate physical and virtual networks.Feature

Overlays may be the best path forward for networking

Vendors VMware, Big Switch, Cisco, and others are working to come up with the ‘winning’ overlay approach to creating virtual network abstractions.Feature

Integrating physical and virtual networks: Virtual switching tactics

In order to make networks flexible enough to support cloud orchestration, engineers will have to bridge physical and virtual networks.Feature

After much talk, network virtualization is finally becoming a reality

For years, companies like Cisco have promised network virtualization, but with network software overlays and software-defined networking, the technology is finally coming to life.Opinion

Hybrid Cloud networking falls short, but not for long

As if network management isn’t hard enough, now engineers must find ways to manage physical networks, virtual networks and SDN environments. In this edition of Network Evolution, we’ll explore strategies to manage across physical and virtual networks, examine how SDN can be used as a management tool, and offer insight into new strategies for managing your private cloud infrastructure.E-Zine

How virtual switching integrates the network edge

After much talk, network virtualization is finally becoming a reality

Integrating physical and virtual networks: Virtual switching tactics

Pros and cons of shared storage for VDI

Shared storage provides better manageability and uptime for enterprise VDI deployments, but administrators should be aware of potential drawbacks.Tutorial

Networking blogs: Network visibility, installing Grizzly with DevStack

In this week's roundup, bloggers explain how to install Grizzly with DevStack and explore the question of visibility in the virtualized network.Fast Packet | 19 Apr 2013

Networking blogs: Tips for network strategies, handling tech support

Bloggers in this week's roundup advise ditching tech-specific plans for more general corporate strategies, and approaching tech support with caution.Fast packet | 04 Apr 2013

OpenStack vs. CloudStack: What's the best approach?

When it comes to OpenStack vs. CloudStack, IT managers need to understand the difference between the open source cloud-computing management architectures.Expert Tip

How virtual switching integrates the network edge

Learn how a cloud provider and a collocation center use virtual switching to integrate physical and virtual networks.Feature

Integrating physical and virtual networks: Virtual switching tactics

In order to make networks flexible enough to support cloud orchestration, engineers will have to bridge physical and virtual networks.Feature

Hybrid cloud networking falls short, but not for long

Hybrid cloud networking falls short of enabling total orchestration across public and private clouds. Software-defined networking, network virtualization and orchestration tools will change that.Feature

After much talk, network virtualization is finally becoming a reality

For years, companies like Cisco have promised network virtualization, but with network software overlays and software-defined networking, the technology is finally coming to life.Opinion

Hybrid Cloud networking falls short, but not for long

As if network management isn’t hard enough, now engineers must find ways to manage physical networks, virtual networks and SDN environments. In this edition of Network Evolution, we’ll explore strategies to manage across physical and virtual networks, examine how SDN can be used as a management tool, and offer insight into new strategies for managing your private cloud infrastructure.E-Zine

Essential tips for virtualized network integration and management

To fully embrace virtual networks, these essential tips can help your organization maximize those efforts into server and storage virtualization.Tip

Silver Peak offers replication acceleration for storage traffic

Storage optimization is needed as traffic is replicated over the WAN to data centers and DR sites. Silver Peak Velocity offers replication acceleration.News | 27 Sep 2012

Network diagnostics that see through virtualization

Running network diagnostics for virtualization requires a new set of strategies that involve virtual switches, virtual network probes and rerouting traffic for analysis.Feature

OpenFlow controllers could change networking forever…or not

Big Switch says OpenFlow controllers and applications will let users order up networking ports on demand, but will networking vendors give in to software-defined networking?Fast Packet | 08 Nov 2011

Top five virtualization problems: Building a private cloud

Blogger Josh Stephens lists building a private cloud as one of his top five virtualization problems. Why? For one, it's hard to even know what makes a private cloud.Fast Packet | 18 Oct 2011

NVGRE standard primer: More VLANs and isolated tenants in the cloud

Microsoft's NVGRE standard offers competition to VMware's VXLAN standard, promising to create more VLANs that stretch across Layers 2 and 3 for multi-tenant cloud networks.Tip

VXLAN standard primer: Extended VLANs, long-distance VM migration

The VXLAN standard aims to solve the long-distance VM migration dilemma by enabling extended VLANs across geographically dispersed data centers for a multi-tenant cloud network.Tip

vSwitch architecture best practices

vSwitch architecture varies depending on the type of traffic being managed and how many physical NICs are connected. Learn these best practices.Tip

vSphere vSwitch primer: Design considerations

It takes the right kind of vSphere vSwitch design to implement segmentation for traffic manageability, security, redundancy and failover in a virtual environment.Tip

Network and storage convergence: Network Evolution eZine

This edition of our Network Evolution eZine investigates how network managers are addressing convergence in the real world.Network Evolution eZine

logical unit number (LUN)

A logical unit number (LUN) is a unique identifier used to differentiate separate devices (each of which is a logical unit) as addressed by a SCSI, iSCSI or Fibre Channel (FC) protocol.Definition