Benefits of Network Virtualization

Network virtualization is the driving force that has changed the whole way networks are designed, deployed, and managed. Here are key advantages:

  • Resource Optimization: Virtualization facilitates resource utilization with network resources virtualization from physical hardware. This will result in better utilization of the installed capacity and higher network efficiency.
  • Flexibility and Agility: Virtualized networks are very flexible in nature, thus they can easily adjust to changing demands. Network configurations and resources can be redistributed to meet the new requirements at any time, which makes the system more adaptive.
  • Cost Efficiency: Through the separation of network functions from hardware, organizations can have capital expenditures saved. Virtualization suits the purpose of reducing the demand for considerable physical infrastructure which leads to lower hardware costs and more cost efficiency.
  • Isolation and Security: Network virtualization strengthens security because it gives virtual networks the isolation they need. It thus avoids unauthorized access and interference, thus reducing the effect of attacks on one part of the network on others.
  • Scalability: The virtualized network makes it possible to scale easily. Organizations can scale up and down according to the demand without a significant change in the capital infrastructure, thus, promoting cost effective growth.
  • Centralized Management: Centralized management consoles or controllers are quite helpful in the management of virtualized networks. It simplifies configuration, monitoring, and troubleshooting, thereby minimizing the complexity involved in conventional network management.

What is Network Virtualization?

Network virtualization as such, is an entirely new way of networking compared to a traditional way of networking, introducing new methods that are more efficient, scalable, and flexible in the deployment of network resources. In this article, we will discuss types of network virtualization, the benefits of network virtualization, and more.

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Network Virtualization Example

VMware NSX: VMware NSX is a leading network virtualization platform which allows building virtual networks, switches and routers. It is hardware independent and due to this fact, it enables flexibility and security. Microsoft Hyper-V Network Virtualization: The Network Virtualization feature of Microsoft’s Hyper-V platform allows for the creation of private virtual networks, making multi-tenancy and migrations of virtual machines much easier across different physical networks. Cisco ACI (Application Centric Infrastructure): Cisco ACI uses the principles of network virtualization and a policy-driven networking approach. It provides an automatic setting up and managing of network resources that eventually leads to better performance and less manual setups. OpenStack Neutron: Neutron is an open-source networking project which abstracts the network as a service. It provides users with a capability to create and manage virtualized networks in a virtual environment with support for both conventional and software-defined networking. Juniper Contrail Networking: Juniper Contrail Networking is a solution that uses network virtualization and SDN. It automates service provisioning and networking on a scalable basis for cloud environments. Docker Networking: Docker (a container platform) deploys network virtualization to create isolated networking environments for the containerized applications. Docker networking facilitates convenient communication between containers....

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Conclusion

Network virtualization is an innovative technology that is redefining the world of information technology, bringing the transformation of networking infrastructure. Despite all the advantages of increased flexibility, resource optimization, and centralized management, the network virtualization adoption process is not without its problems. The adoption of this paradigmatic change is the key to transforming how we imagine, implement, and manage networks, providing a flexible and scalable platform for the digital future....

Frequently Asked Questions on Network Virtualization – FAQs

How is networking virtualization done?...