Virtualisation/cloud services enabling scaling and elastic computing solutions

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Types of virtualisation


Server virtualisation - Enables one physical server to run multiple operating servers as virtual machines. The benefits are: 
- more efficient use if IT equipment
- faster workload distribtion
- better application operation
- improved server access 
- reduced operating costs

Network virtualisation - reproduces the physical network requirements as a virtual network to allow applications to run in exactly the same way as on the physical network but with logical rather than physical ports, devices, routers, firewalls and so on.

Desktop virtualisation - enables organisations to provide software configured for the specific needs of the particular workplace or individual. Any changes or upgrades can be rolled out quickly and easily from the IT department to all relevant locations. It also allows easy rollout to mobile or remote workers who may be using iOS, Android, Windows or any other permitted operating system.

Cloud solutions enabling elastic computing solutions

Cloud solutions deliver computing services such as servers, storage and networking over the internet. Data storage processing occurs remotely from a location which may be anywhere in the world. Cloud solutions provide:

Connectivity - Employees are connected to the business at any time and anywhere in the world, using any device available. This reduces the danger of important files being stored on individual computers with risk of loss, theft or damage.

Faster implementation - Installing a cloud solution can take as little as a few hours rather than the months or even years it takes to deploy a physical solution.

Improved collaboration - The improved connectivity allows workers to work together wherever they are and using whatever facilities are available at their location. This allows them to concentrate on the business needs rather than those of their IT equipment.

Reduced risk of data loss - better backup facilities at distant locations avoiding local natural disasters and cyber attacks

Security - Cloud facility providers employ highly trained and experienced computer security staff and spend far more on security hardware and software than individual organisations can afford.

Cost saving - reduces the costs of physical servers, physical data storage and processing power.

AWS

AWS or Amazon Web services is a cloud service used to host a wide varity of web tools. If you wanted to migrate your won onsite system to a web service like AWS, you would first need to send a request for change to the CAB for them to approval or deny the request depending on the impact on the business. Oncer the request has gone through, the first step would be to backup all the data being hosted on the onsite systems, to a separate location. After that's complete you would need to setup a server with AWS and pay them for the service. Transferring the data over may be the longest part of the migration and could take several days or hours depending on how large the data transfer is.

Internal Factors - The physical power to the systems being used to the clients need to be always on and very reliable with minimal failures. Physical security to the servers must be the highest it can possible be as business' hold vast amounts of personal data on the servers and it would a crime for this to not be secure.

External Factors - 




 

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