3.2 Virtualisation

3.2 Virtualisation

1. Benefit and limitations of a server

   • Advantages of Using a Server A Server Gives Scalability – A Server Adds Seamless Connectivity (remote and email) – A Server Improves Collaboration – A Server Makes for Faster Expansion
     • disadvantages, including: Expensive dedicated hardware. Expensive network operating system. A dedicated network administrator required

2. Client advantages/ disadvantages

   • Advantage: Backups and network security is controlled centrally
     • Disadvantage: Specialist staff such as a network manager is needed

3. Cloud /Storage advantage and disadvantages

   • Advantages: Cloud Storage Can Save Costs. Economies of scale. Data Redundancy and Replication. Data Tiering for Cost Savings.
     • Disadvantages: Backups May Be Slower. Restores May Be Slower. Higher Internet Utilization.

4. Hybrid advantages and disadvantages

   • Advantge is that detailed comparison is identifiable.
     • Larger occupancy of display space.