Software como un servicio (SaaS), qué es ?

May 12, 2008 Software-as-a-Service From Pandell´s Web Site. www.pandell.com/saas.html Move over legacy applications, the age of SaaS is here. Leading industry analysts are bursting with reports that a revolution in the delivery of business applications is upon us. The consensus is clear: resource-draining, traditional legacy applications are no match for the new, lower-cost and hassle-free applications offered through the Software-as-a-Service model. Why is SaaS so revolutionary? Let's imagine... Bob operates a start-up oil and gas company and needs to decide what kind of bank will give him the best access to his money. Bank A (let's call this the Extinct Bank) - gives Bob access to his money by building a huge, immobile vault right in Bob's office. The vault takes up a lot of space, requires a ton of Bob's cash up-front to get it set up, needs 24/7 security guards to monitor it, periodically needs costly equipment upgrades, and is only accessible when Bob is actually in his office. Bank B (let's call this the SaaSy Bank) - charges Bob a predictable, monthly fee to keep his money safely housed in a highly secured location. Bob has 24/7 web access to his money, he doesn't have to pay extra for unexpected upgrades, and he can focus entirely on his business instead of on his banking. Which bank did Bob choose? Being a smart guy, Bob chose the SaaSy bank of course! A SaaS application offers the same great benefits to its customers: Faster startup Lower IT costs Reduced deployment risk Better product and service quality Flexible and scalable usage structure More predictable IT operating budget

For a SaaS application to deliver these benefits to business clients, it must successfully incorporate three key components: License Model. A SaaS application is delivered through a predictable, paid-subscription service, which reduces client startup costs and makes it easy to budget. It also ensures a better quality product with ongoing upgrades that are seamless to users. Application Architecture. A SaaS application is generally web based, giving clients mobile access to the application through the internet. Moreover, the best SaaS applications can be run in any environment – whether on a desktop, from a corporate server, or from a hosted, offsite server – providing clients with greater flexibility and control in how their applications are managed. Operational Services. A vital component of a successful SaaS application is a full range of operational services. Operational services include business support, application administration support, technical support, and enterprise-class offsite hosting. The scope of each service is clearly defined through a Service Level Agreement (SLA) between the client and SaaS vendor. Want more information about SaaS? Read SIIA's whitepaper on SaaS TCO.

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