The important considerations of the design of virtual systems
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Important Considerations of the Design of Virtual Systems
When designing virtual systems, there are a number of important considerations that must be taken into account, including:
- Performance: Virtual systems must be able to deliver the required performance for the applications and users that they will support. This means considering factors such as the number of virtual machines, the resources allocated to each virtual machine, and the underlying hardware platform.
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- Security: Virtual systems must be secure against both internal and external threats. This means implementing security measures such as firewalls, intrusion detection systems, and access control lists.
- Scalability: Virtual systems must be able to scale up or down as needed to meet changing demands. This means designing the system so that it can easily add or remove virtual machines.
- Availability: Virtual systems must be highly available, meaning that they should be up and running as much of the time as possible. This means implementing measures such as redundancy and failover.
Design Practices for Virtual Systems
There are a number of design practices that can be used to improve the performance, security, scalability, and availability of virtual systems. Some of these practices include:
- Use a hypervisor: A hypervisor is a software layer that sits between the physical hardware and the virtual machines. It allows multiple virtual machines to run on the same physical hardware.
- Consolidate workloads: Virtualization can be used to consolidate multiple workloads onto a smaller number of physical servers. This can improve resource utilization and reduce costs.
- Use appropriate storage: Virtual machines can be stored on a variety of storage devices, including traditional hard drives, solid-state drives, and SAN/NAS storage. It is important to choose the right storage type for the performance and availability requirements of the virtual machines.
- Implement security measures: Virtual systems must be secured against both internal and external threats. This means implementing security measures such as firewalls, intrusion detection systems, and access control lists.
- Design for scalability: Virtual systems should be designed so that they can easily scale up or down as needed. This can be done by using a variety of techniques, such as clustering and load balancing.
- Design for availability: Virtual systems should be designed to be highly available. This can be done by implementing measures such as redundancy and failover.
Deployment of Virtual Information Technology Architecture
Once the virtual system has been designed, it needs to be deployed within the enterprise. This process typically involves the following steps:
- Prepare the infrastructure: This includes provisioning the physical hardware and installing the hypervisor.
- Create the virtual machines: This involves creating the virtual hard disks and installing the operating systems and applications.
- Configure the network: This involves configuring the network so that the virtual machines can communicate with each other and with the outside world.
- Migrate workloads: This involves migrating the existing workloads from the physical servers to the virtual machines.
- Test and validate: This involves testing the virtual system to ensure that it is meeting the performance, security, and availability requirements.
Risk Management
There are a number of risks associated with the implementation of virtual systems, including:
- Performance degradation: If the virtual system is not properly designed, it can lead to performance degradation. This can impact the performance of the applications running on the virtual machines.
- Security breaches: Virtual systems can be vulnerable to security breaches if they are not properly secured. This can lead to data loss or theft.
- Availability problems: If the virtual system is not properly designed, it can lead to availability problems. This means that the virtual machines may not be accessible to users when they need them.
To mitigate these risks, it is important to have a risk management plan in place. This plan should identify the risks, assess the likelihood and impact of each risk, and develop mitigation strategies.
Risk Mitigation Plan
The following is a sample risk mitigation plan for the implementation of virtual systems:
Risk | Likelihood | Impact | Mitigation Strategy |
---|---|---|---|
Performance degradation | Medium | High | Mitigation strategy: |
* Use a hypervisor that is designed for performance.
* Consolidate workloads appropriately.
* Use appropriate storage.
Security breaches | Medium | High | Mitigation strategy: * Implement security measures such as