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市場調査レポート
SaaSのメリットとデメリット
To SaaS or not, that is the question
| 発行 |
Ovum, Ltd. |
| 出版日 |
2009年03月 |
商品コード |
84810 |
| ページ情報 |
英文 16 pages |
| 価格 |
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Abstract
Businesses choosing between SaaS and on-premise IT should look beyond SaaS' s
rapid payback and quick implementation to consider its long-term costs and
overheads.
Table of Contents
- Executive summary
- In a nutshell
- Ovum view
- About this report
- Recommendations
- The ascendance of SaaS
- In terminology, the cloud embraces SaaS
- Why now?
- Which applications suit SaaS?
- Don' t bother asking for an SLA
- Limited liability
- Ask for service histories
- Expect and plan for outages
- Integrating SaaS to play nicely with others
- A common concern
- Help is at hand
- SaaS vendors are on the integration trail
- Wait for the integration bus, or start walking now?
- Integration as criterion
- Other issues
- Customization can be limited
- Your pipes will be fat enough - probably
- Ensuring an escape route
- How secure is the cloud?
- Protecting sensitive data is a priority
- Supplier interrogation as security practice
- Data at rest
- Data in motion
- Data in use
- Third-party testing of the castle walls
- Data privacy in a public place
- The bottom line is always cost
- What' s the rent?
- Predicting break-even against on-premise costs
- TCO is not the whole story
- Implementation can be the clincher
- Calculating on-premise costs
- Hidden SaaS costs
- Pay as you go? Read the small print
- Commitment and named-seat catches
- Scale blindly and happily
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