|Allows companies to avoid upfront infrastructure costs.
||Needs to purchase for one-time H/W, S/W and other infrustructure facilities.
|Be supported by professional provider for centralized operation management and maintenance, which enables sharing of resources and costs across a pool of companies and can reduce costs and risks instead of handling everything alone.
||Must invest in having your own IT staff, upgrade and maintenance costs of software and hardware, and due to the fluctuating and unpredictable business demand or IT personnel changes, usually have higher risk of scalability, extensibility and unexpected costs.
|Provides a unified cloud-based version, so it can rapidly perform continuous innovation and enhancements, in the long run, due to growing flexibility and extensibility, it will eventually more adaptive and capable to grow with the business and to better meet market demand.
||Degree of requirement compliance
||Implements under an independent environment and initially can meet more requirement compliance by special customization, but, in the long run, which can also make the system more and more isolated and harder to maintain and grow with future business requirement and market trends.
|Based on a well-designed large cloud computing platform, which usually ensures much higher reliability, due to the use of multiple redundant site, infrastructure facilities of higher grade specifications, better capability of hindering hack attack and other redundant high level support mechanisms, to provide better business continuity and disaster recovery.
||Availability & Stability
||Can grow with the investment of related infrastructure and IT workforce, but the returns on investment will be low due to being hard to manage the peak-load capacity, system utilisation and operational efficiency.