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VMware NSX Installation Part 1 – Overview VMware NSX Network Virtualization and Security Platform

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VMware NSX is the VMware SDN network virtualization and security platform that emerged from VMware after they acquired Nicira.VMware into the software-defined networking (SDN).

VMware NSX is the Software-Defined Datacenter (SDDC) technology of the future. ESXi was once for Servers, NSX is now for Network, I say to all network engineer to make yourselves familiar with this technology. NSX with all its features is quite complex, but the entry point is quite simple and requires only basic vSphere and networking skills, today I explains how to deploy NSX in your home lab or office even with limited physical resource by downsizing NSX Manager and NSX Controllers VMs, how to deploy VMware NSX and connect your all Virtual Machine to VXLAN based logical switch is able to communicate with physical network an NSX Edge Gateways.

IT organizations have gained significant benefits as a direct result of server virtualization. Server consolidation reduced physical complexity, increased operational efficiency and the ability to dynamically re-purpose underlying resources to quickly and optimally meet the needs of increasingly dynamic business applications.

VMware’s Software Defined Data Center (SDDC) architecture is now extending virtualization technologies across the entire physical data center infrastructure. VMware NSX ®, the network virtualization platform, is a key product in the SDDC architecture. With NSX, virtualization delivers for networking what it has already delivered for compute and storage. In much the same way that server virtualization programmatically creates, snapshots, deletes and restores software-based virtual machines (VMs), NSX network virtualization programmatically creates, snapshots, deletes, and restores software-based virtual networks. The result is a completely transformative approach to networking that not only enables data center managers to achieve orders of magnitude better agility and economics but also allows for a vastly simplified operational model for the underlying physical network. With the ability to be deployed on any IP network, including both existing traditional networking models and next-generation fabric architectures from any vendor, NSX is a completely non-disruptive solution. In fact, with NSX, the physical network infrastructure you already have is all you need to deploy a software-defined data center.

The figure above draws an analogy between compute and network virtualization. With server virtualization, a software abstraction layer (server hypervisor) reproduces the familiar attributes of an x86 physical server (for example, CPU, RAM, Disk, NIC) in software, allowing them to be programmatically assembled in any arbitrary combination to produce a unique VM in a matter of seconds.

With network virtualization, the functional equivalent of a network hypervisor reproduces the complete set of Layer 2 through Layer 7 networking services (for example, switching, routing, access control, firewalling, QoS, and load balancing) in software. As a result, these services can be programmatically assembled in any arbitrary combination, to produce unique, isolated virtual networks in a matter of seconds.

With network virtualization, benefits similar to server virtualization are derived. For example, just as VMs are independent of the underlying x86 platform and allow IT to treat physical hosts as a pool of computing capacity, virtual networks are independent of the underlying IP network hardware and allow IT to treat the physical network as a pool of transport capacity that can be consumed and repurposed on demand. Unlike legacy architectures, virtual networks can be provisioned, changed, stored, deleted, and restored programmatically without reconfiguring the underlying physical hardware or topology. By matching the capabilities and benefits derived from familiar server and storage virtualization solutions, this transformative approach to networking unleashes the full potential of the software-defined data center. NSX can be configured through the vSphere Web Client, a command-line interface (CLI), and a REST API. This section includes the following topics:

VMware NSX Feature

  • Distributed switching
  • Distributed routing
  •  NSX edge firewall
  •  NAT
  • SW L2 bridging to the Physical environment
  • Dynamic routing with ECMP (active-active)
  • API-driven automation
  • Integration with vRealize & OpenStack
  • Log management with vRealize Log Insight for NSX
  • Automation of security policies with vRealize
  • NSX edge load balancing
  • Distributed firewalling (including integration with active directory)
  • Server activity monitoring
  • Service insertion (third-party integration)
  • Integration with VMware AirWatch®
  • Application Rule Manager
  • Cross vCenter NSX
  • Multi-site NSX optimizations
  •  VPN (IPSec and SSL)
  • Remote Gateway
  • Integration with hardware VTEPs
  • Endpoint Monitoring
  • Distributed firewalling with Layer 7

Logical Switching: Layer 2 over Layer 3, decoupled from the physical network
Logical Routing: Routing between virtual networks
Logical Firewall: Distributed firewall, high performance
Logical Load Balancer: Application load balancing
Logical Virtual Private Network (VPN): Site-to-site and remote access VPN
VMware NSX API™: REST API for integration into any cloud management platform like OpenStack, CloudStack etc.

VMware NSX Core components:

  1. NSX Manager
  2. NSX Controller.

VMware NSX Logical Networking Components

Vmware NSX Networking and Edge Services

VMware NSX Functional Components

VMware NSX Manager

 

 

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VMware NSX Installation Part 1 – Overview VMware NSX Network Virtualization and Security Platform
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Sabir Hussain Soomro
About Sabir Hussain This website is maintained by Sabir Hussain. Sabir is as an Independent consultant, professional blogger VM Virtualization site has started as a simple bookmarking site, but quickly found a large following of readers and subscribers. Connect on: Google + or Feel free to network via Twitter.@VMGate110
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