The idea of CDN Online is sharing a CDN OPTIMA program through the Internet in the service model - consisting in rental, storage and continuous updating of applications for a fixed monthly subscription fee. CDN Online is a working model willingly chosen by emerging companies, accounting offices and their clients, as well as multi-branch companies. For each company, CDN Online model represents a particularly interesting proposal, because, first of all, it allows to work with modern software without incurring the costs of a single purchase. This solution is not only extremely comfortable but also safe for all who want to use the opportunities offered by IT Outsourcing fully.