Why vCloud Tech?NSX allows you to manage the entire network from one pane of glass
NSX software-defined networks or SDN is part of VMware’s software-defined cloud centre (SDDC) concept, which provides cloud computing on VMware Network virtualization technology. The company stated that NSX was created to enable virtual networking environments without needing a command-line interface or administrator intervention.
VMware NSX Overview
VMware NSX enables virtual cloud networking, a software-defined approach that allows for network virtualization across multiple data centres, clouds, applications frameworks, and other platforms. NSX Data Center offers a range of network elements and services, including firewalls, load balancing, and VPN, which implements as virtual appliances. Your virtual cloud network can be more secure and efficient with full-stack networking and VMware NSX security virtualization. Protect and connect applications from your multi-cloud, container, and data centre infrastructures. NSX creates and renders the entire network model in a software program. This allows you to quickly and easily create, provision, and manage any network topology and provide critical apps and services more efficiently.
The NSX has a variety of features, including:
Switching:NSX Virtual switches use unique Virtual Extensible LAN network (VXLAN) identifiers to create a logical extension for the L2 networks. This extension uses to wire applications and tenant virtual machines logically. These logical broadcast domains allow for greater flexibility and quicker deployment while retaining the characteristics of virtual local area networks (VLAN) without the danger of sprawl.
Routing:NSX SDN can perform routing using logically distributed routers that create routes between virtual networks in the hypervisor kernel and physical routers that scale out routing with active-active failover. It distributed firewalling. The NSX distributed firewall, a hypervisor kernel embedded firewall that spreads across the VMware ESXi network, is a network administrator’s option to create firewall policies enforced at virtual network interface card levels. This method ensures stateful firewall services to VMs and provides visibility and control over virtualized networks and workloads.
Load balancing:NSX’s L4-L7 load baler intercepts, translates and manipulates network traffic to increase enterprise application availability and scalability. Secure Sockets Layer support is available in the NSX load balancer. This allows for server health checks and pass-through. The L4 load balder offers a packet-based load balancer that sends the packet after it modifies to a specific server. The L7 load balancer provides socket-based load balancing, establishing client- and server-facing connections in response to a single request.
NSX Edge Gateway:The NSX Edge Gateway is a virtual machine that acts like an appliance and provides L3 routing, firewall, site-to-site VPN, load balancing, and other capabilities. This feature supports VXLAN to VLAN bridging, which allows seamless connection with physical workloads.
Application programming interface (API):NSX uses a representational-state transfer-based API to facilitate third-party service and product integration and to integrate NSX into cloud management to increase automation capabilities.
Operations:The native operations capabilities include Central CLI and Switch Port Analyzers, IP Flow Information Export, and IP Flow Information Export. Application Rule Manager, Endpoint monitoring and integration with VMware vRealize suite for proactive monitoring, analysis, and troubleshooting.
Provides visibility and control over virtualized networks and workloads:
- Automation can increase agility: You can provide one-click provisioning for your network by running an L2-L7 stack in software that supports automated provisioning. You can enjoy great flexibility and scale.
- Consistent Multi-Cloud Operations: You can manage compatible security and networking policies across public and private clouds using a single pane, regardless of whether your applications run in VM, container, or bare metal.
- Intrinsic security: Provide granular protection using network segmentation and micro-segmentation according to each workload. To protect against lateral threats, create context-aware security policies that leverage IDS/IPS.
- OpEx and CapEx Lower: Consolidating security and networking functions on one platform can save you up to 35%. Optimized traffic flow and simplified operations can reduce OpEx.
Dynamic security policy:
NSX Service Composer allows the network administrator to provision and assigns security services to applications. The administrator can also use Service Composer to create active security groups using custom filters such as OS type, tags, and VMware vCenter objects.
Cloud management:NSX integrates natively with vRealize Automation, OpenStack, and OpenStack to manage cloud services.
Cross-VC NSX:This capability allows NSX vSphere to scale across vCenter and datacenter boundaries. Network administrators can use it to solve capacity pooling between vCenters, facilitate data centre migration, perform long-distance vMotions, and make disaster recovery (DR)
Log management:NSX integrates into vRealize Log Insight. This receives log entries directly from ESXi hosts and uses content packs to process each log entry. The log entries use to identify issues within the NSX deployment.
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VMware NSX is a security platform that enables virtual cloud networking, a software-defined networking approach that spans data center, cloud, and application frameworks.
An ESXi host is a hypervisor that loads VMware software. The NSX solution is designed to remove all manual switch and router configurations. Memory over-commitment and deduplication, memory ballooning, network traffic shaping, network interface card teaming, and more.
For your vSphere environment, NSX Data Center for vSphere offers networking and security technologies like logical switching, logical routing, distributed firewall, load balancer, NAT, and VPN. In addition, the VMware vCenter Server plug-in for NSX Data Center for vSphere is installed.
VMware NSX Distributed Firewall is a Layer 7 software-defined firewall built to protect multi-cloud traffic across virtualized workloads. It provides a stateful firewall with IDS/IPS, Sandbox, and NTA/NDR delivered as software and distributed to each host.
NSX Distributed Firewall is a hypervisor kernel-embedded firewall that propagates across VMware ESXi. Network administrators can create custom firewall policies at the virtual network interface card level.
NSX allows you to treat your physical network as a pool of transport capacity, connecting network and security services to your workloads in a policy-driven approach. That automates network operations and eliminates the bottlenecks associated with hardware-based networks.