What Will Be Discussed
| WHY NIX | ISSUES WITH TRADITIONAL NETWORKING MODEL |
| WHAT IS NSX | NSX ARCHITECTURE |
Software Defined Data center
VMware’s Software-Defined Data Center (SDDC) is built upon several key components that work together to provide a comprehensive virtualized infrastructure solution. Here are the main building blocks of VMware’s SDDC:
VM ware SDDC Building Blocks
| Computer v Sphere | storage vSAN | Network NSX |
1. VMware’s Software-Defined Data Center (SDDC) is built upon several key components that work together to provide a comprehensive virtualized infrastructure solution. Here are the main building blocks of VMware’s SDDC:
Compute Virtualization: VMware vSphere is the core component for compute virtualization in the SDDC. It enables the creation and management of virtual machines (VMs) running on physical server hardware. vSphere provides features like resource pooling, high availability, dynamic resource allocation, and live migration (vMotion) of VMs.
2. Network Virtualization: VMware NSX-T Data Center provides software-defined networking capabilities in the SDDC. NSX-T decouples network services from the underlying physical network infrastructure, allowing the creation of virtual networks, logical switches, routers, firewalls, load balancers, and VPNs. It enables micro-segmentation for enhanced security, multi-tenancy, and seamless network connectivity across on-premises and multi-cloud environments.
3. Storage Virtualization: VMware vSAN (Virtual SAN) delivers software-defined storage capabilities within the SDDC. It aggregates locally attached storage devices from multiple servers into a distributed shared storage pool. vSAN provides features like data redundancy, data deduplication, compression, and erasure coding to ensure data integrity and optimize storage utilization.
4. Management and Automation: VMware vRealize Suite is a set of management and automation tools that enable centralized control and orchestration of the SDDC. It includes components like vRealize Operations Manager (monitoring and performance management), vRealize Automation (provisioning and self-service automation), vRealize Log Insight (log management and analysis), and vRealize Network Insight (network visibility and troubleshooting).
5. Cloud Management Platform: VMware Cloud Foundation (VCF) is an integrated software stack that combines compute virtualization, network virtualization, and storage virtualization with management and automation tools. It provides a unified platform for deploying and managing the SDDC across private, public, and hybrid cloud environments. VCF includes vSphere, NSX-T, vSAN, and vRealize Suite components.
These building blocks of VMware’s SDDC work together to provide a scalable, flexible, and efficient infrastructure that enables organizations to virtualize and abstract their compute, network, and storage resources. The integration of these components simplifies management, improves resource utilization, enhances security, and facilitates the delivery of modern applications and services.
Traditional Compute Infrastructure
Traditional compute infrastructure refers to the conventional approach of building and managing computer systems before the advent of virtualization and software-defined technologies. It typically consists of physical servers, dedicated networking equipment, and storage devices that are individually managed and provisioned.
Server virtualization benefits
Server virtualization refers to the practice of running multiple virtual machines (VMs) on a single physical server. Each VM operates as a separate and isolated instance, allowing for the consolidation of multiple workloads on a single server. Server virtualization offers several benefits, including:
1.Resource Utilization: Virtualization enables better utilization of server resources. By running multiple VMs on a single physical server, you can fully utilize the available CPU, memory, and storage capacity. This results in improved efficiency and cost savings, as you can do more with fewer physical servers.
2. Cost Reduction: Server virtualization can lead to significant cost savings. By consolidating workloads onto fewer physical servers, you can reduce hardware costs, power consumption, cooling requirements, and data center space. Additionally, virtualization allows for easier backup and disaster recovery, potentially reducing costs associated with these activities.
3 .Flexibility and Scalability: Virtualization provides the ability to scale and adapt quickly to changing business needs. You can easily add or remove virtual machines as demand fluctuates, without the need for significant hardware provisioning and reconfiguration. This agility allows for faster deployment of new applications and services.
4. Improved Server Management: Virtualization simplifies server management tasks. Virtual machines can be centrally managed and administered, allowing for streamlined updates, patching, and monitoring. Virtualization management tools provide enhanced visibility and control over the virtual infrastructure, making it easier to manage and troubleshoot server environments.
5. Enhanced High Availability: Server virtualization enables high availability features, such as live migration and fault tolerance. Live migration allows VMs to be moved between physical servers without downtime, ensuring continuous availability during hardware maintenance or failures. Fault tolerance features provide redundancy and automatic failover, minimizing the impact of server failures on critical applications.
7. Testing and Development: Virtualization offers an ideal platform for testing and development environments. You can create isolated VMs to replicate production environments, enabling developers to test applications, perform upgrades, and evaluate new configurations without affecting the production environment.
8. Overall, server virtualization provides numerous benefits, including improved resource utilization, cost savings, flexibility, scalability, simplified management, enhanced availability, and environmental efficiency. These advantages have made virtualization a widely adopted technology in modern data centers and cloud environments.
Software Defined Storage-VSAN
- VMware vSAN is a software-defined, enterprise storage solution that supports hyper-converged infrastructure (HCI) systems. vSAN is fully integrated with VMware vSphere, as a distributed layer of software within the ESXi hypervisor.
2. vSAN aggregates local or direct-attached data storage devices to create a single storage pool shared across all hosts in a vSAN cluster. A hybrid vSAN cluster uses flash devices for cache and magnetic drives for capacity. All-flash vSAN clusters use flash devices for both the cache and capacity. vSAN Express Storage Architecture uses NVMe-based TLC flash devices and high performance network interfaces. These architectures provide a flash-optimized, resilient shared datastore designed for the software-defined data center (SDDC).
3. vSAN eliminates the need for external shared storage, and simplifies storage configuration through Storage Policy-Based Management (SPBM). Using virtual machine (VM) storage policies, you can define storage requirements and capabilities.
What About Networking ??
Does Traditional Networking Gives US flexibility of Abstraction,Pooling and Automation in Networking World??
Basic pillar of any Typical Data Center today
There has been a lot of virtualization in the data center
except for one are
Bacic Pillar of any Typical Data Center Today
The lack of networking virtualization is holding back your ability to:
- Keep up with the pace of business
- Secure your data centers
- Control cost