Isom 4100 Case Study
Autor: Hoi Yi Wong • October 28, 2017 • Case Study • 609 Words (3 Pages) • 663 Views
ISOM 4100 – Case 2
Question 1
Public Cloud | Private Cloud | Hybrid Cloud | |
Description | - Multiple tenants/ customers - Scalability grows as the tenants pay | - Single tenant - Scalability grows as the tenants pay | Connect the public cloud to the private cloud or own servers or even the data centre |
Physical hardware | Shared | Self-owned | Some are shared and some are self-owned |
Suitable for | Handle non-sensitive, public data | Handle sensitive, confidential data | Handle both non-sensitive, public data and sensitive, confidential data |
Scalability – able to spin up and down according to the demand | High | High | High |
Cost | Low – shared by many customers, only pay for the server resources needed | High – need to purchase and maintain all software and infrastructure | Low – with software or infrastructure partially shared with other tenants |
Flexibility | High – able to add networking, storage and database | Low – only allow single tenants communication among different tenants would be difficult | High– able to add networking, storage and database |
Customization | Low – as the cloud is shared among numerous of users, the setup cannot be customized | High – users can customize the own storage and networking component to fit the need | High – with some dedicate components, in which tenants can customize according to their needs |
Performance | Low – the performance is limited with the shared resource | High – the performance is better with dedicated resource | High – with some dedicated resource or server |
Security and control | Low – networking infrastructure and software are shared with other tenants, probability of data leakage is higher | High – physically dedicated network and storage layer | High – with dedicate network to store secured data |
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