However, while the benefits for their customers are
numerous, many vendors are struggling to adapt their
business model and effectively offer their traditional
application software in the SaaS model. They must
provide an application delivery and management
platform that will ensure consistent, end-to-end
operation of business-critical applications with the
same quality of service as before. Although the
customer's investment becomes minimal with SaaS, the
investment for the vendor can be daunting. Problems
for the vendor include: