Network Virtualization Software

What is virtualization?

Network Virtualization Software is the creation of virtual forms of computing resources such as computers, servers, or other hardware components, or software-based resources such as operating systems. The most common example of virtualization is partitioning the hard disk during an OS installation, where physical hard drives are divided into logical disks to provide better data storage and retrieval (a category known as 'data virtualization').

Types of Virtualization

Virtualization is classified based on the resources being made. There are various categories such as:

• Network virtualization
• Server virtualization
• Desktop virtualization
• Hardware virtualization
• Software virtualization
• Storage virtualization

Server virtualization involves gathering resources from one or more physical servers and partitioning them into several virtual servers. Special virtualization tools called hypervisors are used for this purpose. There are various types of hypervisors, such as type 1 hypervisors ("bare-metal hypervisors" that run directly on raw hardware, also called virtual machine virtualization) and type 2 hypervisors (hosted hypervisors that run on guest OSes). The key players in the type 1 market are VMware, Microsoft, and Citrix, while Red Hat's Kernel Virtual Machine (KVM) is the most widely used type 2 product.

Benefits of virtualization

Get better performance and efficiency than resources in existing computing components, using CPU virtualization. Increase virtual machine security (VM). Because VMs are logically separated from each other, malware attacks or other software errors on a VM will not affect another VM. Save money on hardware. Virtualization software involves less money, and also requires less hardware to run than a physical machine. Get peace of mind. VMs provide better reliability in terms of disaster recovery and better backup and retrieval capabilities with Network Virtualization Software.

The Challenge of Managing a Virtual Environment

Common challenges in implementing and managing virtual environments are:

Finding a new VM: Finding and adding new VMs to the network can be tiring, especially when you have to add credentials individually for each VM. This is where automatic discovery is very useful, because you can create many credentials and add all of these devices simultaneously. Some network management solutions even support one-click discovery, where once you add the appropriate vCenter or hypervisor, all the VMs underneath are detected automatically.

VM sprawl: This occurs when the number of VMs in an environment exceeds the amount that can be managed; Sprawl VM can greatly affect the performance of your virtual device. Unused VMs consume a lot of CPU and server memory virtualization, which results in lag or unresponsiveness in the active VM. VM sprawl can also open a security gap. Resource allocation: Memory allocation and processing power for VMs must be planned in advance correctly and require a strong understanding of how your Network Virtualization Software grows. 

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Allotted or less allocated storage space for VMs not only has a major impact on performance, but also inhibits creating new VMs in your environment when you run out of storage. In addition, VM unused disks or disk kernels must be continuously monitored and removed so that your network storage is optimized. Monitor VM performance: Most network monitoring software does not support VM monitoring, and therefore requires separate tools to serve that purpose. This further complicates the network and may cause the device to go undetected. The integrated VM monitoring solution will help you get the best performance from your Network Virtualization Software.

How will OpManager help me with virtualization management?

The extensive multi-vendor virtual monitoring environment of OpManager helps you monitor and manage all your virtual devices easily in three major vendors - VMware, Microsoft, and Citrix. With real time monitoring, you will know the status of your VM at any time, and also receive a warning when something is wrong. OpManager supports monitoring and management of Active Directory, SQL and Exchange servers.
  • VM dashboard:

The summary visualization tab lists all info about your VM on one screen. You can see important statistics related to VMs on your network, such as top hosts and top VMs on your network with regard to CPU utilization, memory utilization, disk usage, and network usage, across all vendors and devices.
  • Machine Virtualization (VM)

See historical trends for certain statistics using the OpManager graph. OpManager also displays the status of important device statistics, such as CPU utilization and memory usage, for a certain period of time.
  • VM Graph Virtualization

OpManager also allows you to set up a performance monitor for your VM, and notifies you if there are network abnormalities. Set the repair steps as workflows for small but frequent problems on your Network Virtualization Software.
  • VM Virtualization Performance

Automate the basic functions of your VM with workflows. With OpManager, you can perform functions such as Power on / off VM and Shut down / Standby Guest OS based on certain event triggers. Even better, you can easily create or modify your workflow using the drag-and-drop workflow builder.
  • VM Virtualization Workflow

With the OpManager report feature, you can watch trends in your network statistics, and get meaningful insights on your network. Keep an eye on important statistics such as system health, availability, and performance, and better understand the relationship between your VM and your data / data storage disk using special reports and disk mapping reports for VMs.
  • VM Virtualization Report

With OpManager, you can:

• Automate the discovery of VMs and keep an eye on the availability of your VM.
• Manage VMs on your network.
• Monitor VM performance in real time.
• Get detailed insights about your virtual device using reports.
• Organize workflows to automate specific actions related to VMs.

Get your free OpManager trial to learn more about managing all virtual network devices with Network Virtualization Software.