IT Virtualisation

Task 1

1.1 Commercial Impact and Potential of Virtual Infrastructure

As per the given case, company A is using one application to one server infrastructure. It results in to increase in the electrical charges due to the high consumption of resources. It has employed 10 servers to perform its tasks. The commercial impact of the virtual infrastructure is positive which is described below...

Cost

Implementation of the virtual infrastructure in the place of present infrastructure in the company will reduce the cost of hardware and upgrading cost of the software or applications. It will also help in increasing the platform for many servers so that, the company can work properly and can handle its issue of high electrical charges. Along with this, it will save costs by reducing the need for hardware servers and related resources. After proper implementation of IT virtualization, helps in minimizing the cost regarding the administration and management of the manual.

Technology

This will allow increasing the use of the latest techniques which will result in better functioning and performance. The company will start using cloud computing which will help in sharing work among the team members. It will result in organizing time, resources, and cost-effectively. On the other hand, virtual infrastructure will improve network connections among the various servers and will increase the use of virtual drives for storing information. This will help company A in increasing its market position and reputation among its clients. It will include a hypervisor, a Virtual machine host, virtual drivers such as free virtual drive software, a para-virtualized network adapter, and physical networking which includes bridged, internal, host-only networking, etc.

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Support

The virtual infrastructure will provide its services in the form of centralization which will help in managing every work properly and effectively. Along with it, testing of required resources will also take place for proper allocation and utilization of them in the company environment. The overall centralization of the infrastructure will result in improving the performance and working of the enterprise. It will also help in the effective utilization of the resources by running several servers on a single virtual host. It will help the company A in better management and maintenance of their resources.

Redundancy

This will provide an opportunity to reduce the number of redundancies with the help of appropriate strategies such as mirroring, server image backup, load balancing, etc. With the help of server image backup in a virtual machine, the company can create a copy of the operating system and all the information regarding it. It will help in collecting all the information in a single pass. On the other hand, load balancing will help the company in distributing its internet traffic across the various servers. It will help in raising the performance of the servers and their optimum utilization.

Scalability

It refers to the ability of the computer applications to continuously perform and function well regardless of the change in size or volume to meet the user's requirement. Virtualization is highly scalable and provides businesses an opportunity to develop additional resources as per the requirements of many applications. For example, Company A can easily add an extra server with the virtual host without any investment in time or money. Along with this, it will help the firm in creating new servers quickly and easily as there is no need to buy new hardware every time.

Task 2

Identification of Company A's Need

Company A need for implementing the virtual server in its working environment is as follows...

Corporate Requirement: The user is required to virtualize the servers for better performance and proper utilization of the resources. In the present situation, company A is facing various issues concerning the servers, their cost, maintenance, and electrical charges. By implementing virtual servers, the firm will able to maintain its servers and it will also reduce the cost of various hardware, As there will be one virtual host it will also reduce the electrical charges.

Storage

For better storage of information, the company is required to implement virtualization in its working environment. It will help the firm in better storing the files and other related important information effectively. The company needs proper safety and security while storing information on its servers which can be provided by the virtual servers.

Maximizing Uptime

Company A needs to respond to the requirements of the clients and it is possible with the help of virtualization. It gives guaranteed uptime to the servers and applications which results in recovery of the damage at a very fast speed.

Proper protection and security

The companies need to keep their confidential information safe and secure. Company A wants to keep its all information safe by protecting applications. With the help of server virtualization, the company can keep a copy of applications and information without purchasing any hardware.

Designing of New Virtual Infrastructure

For designing new virtual infrastructure, the company needs 1 virtual server with more than 50 virtual machines. The company can select any of the servers from these virtualization software Vmare, Microsoft's Hyper-V- V, Citrix XenServer, etc. The company will be able to run its virtual servers on 4 to 6 CPUs. On the other hand for storage, company A can use SATA drivers in a RAID 5 or RAID 6 array. This will also help in improving the performance.

Design for Solution

The process for designing the solution for the virtual infrastructure is as follows...

Assessing the current environment

In this, the company needs to assess its environment for implementing two virtual servers. While implementing visualization infrastructure, the company will need to convert its physical servers into virtual machines, and for this, it will need to understand the performance characteristics of its servers, software, and other applications. Along with this, company, A needs to use its performance monitoring tools for identifying peak utilization of the CPU, memory, network, and disk resources on those two servers the firm wants to virtualize.

Planning virtual environment

In this, the company needs to choose the virtual platform for hosting its virtual machines. The company can take Vmware and Vsphere as both of these have rich features and provide solid performance metrics with broad guest OS support.

Hardware for Virtualisation

It is a very difficult task to design the requirement of hardware as per the virtual infrastructure. In this company A needs to identify the specifications of the hardware for the chosen virtual servers. It needs to be determined based on compatibility, storage availability, memory allocation, processor capability, network bandwidth, etc. For example, the Hardware Requirements for Server Virtualisation are as follows...

• 16 GB RAM
• 4 TB hard disk space
• OS in ESXI,
• 2*3 Gh dual-core processors
• Vsphere desktop application

Feasibility

In this, company A will identify the feasibility of the selected solution as per its work and requirements. It will determine the answers to some questions like Does the selected solution provides the needed functionality. Is a server solution better than a desktop? etc.

Deployment image requirement

This company will identify the required memory for efficient work and operations, software for installing applications, updating them, etc, selection of the operating system, etc. All these factors will be designed by the organization.

Environmental analysis

At last, the company needs to analyze its environment to make the interaction between the various factors such as network address, access to local and remote storage, etc.

Task 3

Implementation of Virtualisation Deployment

As per the given case, Company A needs to create two virtual machines and network these together. There needs to be correct memory, CPU, and storage resources. One server selected by the company is VM Server whose specifications are as follows.

Processor

One virtual processor on a host with one or more logical processors. Along with it, a multiprocessor host with the two CPUs

Chip Set

• Intel 440BX-based motherboard
• NS338 SIO
• 82093AA TOPIC
• Memory: 3.6GB
• Graphics: VGA and SVGA support
• Floppy Drive: two 1.44MB floppy devices
• Serial Ports: 4 serial ports and output serial ports.

Virtual Network

• Ethernet-based protocols such as TCP/IP, Microsoft networking, Samba, Novell Netware, etc.
• It supports 9 or more virtual Ethernet switches.

Another server decided by Company A is Microsoft's Hyper server whose requirements are as follows.

• Processor: x86-64 processor with hardware-assisted virtualization support.
• Memory: 2 GB (minimum) and 4 TB (maximum)

Guest operating system

• Hyper-V in Windows Server 2008 and 2008 R2 with up to 4 processors each.
• Hyper-V supports both 32-bit and 64-bit guest VMs.
• The implementation of the virtualization deployment is as follows.

Build virtual environment

In this phase, the company needs to install its servers and load its selected virtualization hypervisor. It will also load the centralized management platform for the effective use of services and resources. At the end, virtual hosts will be connected to the management platform.

Configuration of virtual environment

In this, company A needs to configure both servers with their static Internet Protocol (IP) addresses. In addition to it, firm needs to configure its network setting and VLAN as per the requirement of the virtual servers.

Secure the virtual environment

In this step, company A will set some hard and complex passwords on the virtual infrastructure by developing new VMs and installing clean operating systems (OS). The firm also needs to perform a P2V conversion with the help of VMARE's converter enterprise.

Monitoring of virtual environment

In this phase, the company will monitor the functioning of the new virtual host by using tools such as the free version of ESXi Server and Vsphere Client. With the change in time, the firm can change its tool for monitoring the performance of its virtual infrastructure.

Maintenance of virtual environment

The company needs to maintain its virtual environment from time to time. If a company is using software of Vmare or Vsphere then it can maintain the updates with the help of Update Manager. With this manager, the company can able to keep all its patches on the ESX servers easily.

Task 4

Management of Virtualization Environment

For performance testing company A needs to follow the following points.

Measurement of Business Performance

During the machine is under load, the company needs to measure the response time of both servers. In addition to the monitoring of the application for availability and throughput. While measuring both factors, systems must be stable and responsive.

Measurement of Capacity/Hardware Utilization

When the virtual environment is operating under full load, the company should make ensure that both the physical and virtual host are utilized within the accepted and planned level (Maity and Dass, 2014). In addition to this, it needs to evaluate the key server stress point which includes CPU configuration, server IO throughput, and memory utilization for optimal performance of the virtual infrastructure.
Measurement of the change in scalability from the physical to virtual hosts. In this, the company needs to identify the key failure points in both the applications and virtual servers for evaluating the performance.

Company A uses two virtual servers Vmware and Microsoft's Hyper V for the implementation of virtualization infrastructure. After the implementation of these machines and performance testing, their critical review regarding the performance is as follows.

In my point of view, the Vmware ESXi hypervisor is the best host and provides various features for virtualization. Along with it, the performance of this server is much better as compared to Microsoft's Hyper V. On the other hand, Microsoft's Hyper V can distribute traffic properly which results in managing the work effectively and accessing the internet without any disturbance. In contrast to it, the scalability of the Vmware is more as compared to the Hyper V. Vmware provides improved and effective scalability. It can support 64 hosts in a cluster and can accommodate 8000 virtual machines whereas Hyper V can host up to 1024 Virtual machines only.

Concerning security, both server provides central management security. In Vmware, it is possible to manage the passwords centrally whereas Hyper V manages the security and passwords with the help of an active directory. On the other hand, Hyper V is effective for large organizations as it provides unlimited host-to-host replications of the virtual machines whereas Vmware is for small shops and organizations by creating HA clusters of three hosts.

Conclusion

From the above analysis, it is concluded that IT virtualization plays an important role in the development and growth of IT companies. It helps in managing and maintaining the work properly and effectively From the given case, Company A gets various benefits by implementing virtualization infrastructure within its working environment. These advantages are related to the cost, support, technology, etc. On the other hand, the performance of the company also depends upon the type of virtual server it selects.

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References

• Virtualization. 2016. [Online]. Available through.
• Beal, V., 2016. [Online]. Available through.
• Data Center Virtualization. 2016. [Online]. Available through.
• Virtualization vs. Cloud Computing: What's the Difference. 2016.
• Maity, M. and Dass, M., 2014. Consumer decision-making across modern and traditional channels: E-commerce, m-commerce, and in-store. Decision Support Systems.

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