Key SaaS Challenges
Companies face three key SaaS Architecture challenges when moving to the SaaS model:
Business Architecture Challenges
Online applications are not new. Banks have provided online banking software for years, and Hotmail hosted email has been commercially available since 1996. SaaS runs the gamut from MySpace and Flickr consumer offerings to business CRM implementations from Salesforce.com and Netsuite.
SaaS also spans a wide range of business models. Many consumer implementations are free to consumers and supported by advertising, while business deployments are often subscription-based. Our discussion here focuses more on the SaaS business services model, including subscription, pay-per-use, concurrent user, sectional, and trial.
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Delivery Architecture Challenges
When delivering SaaS, you don’t want to be technologically tied into a particular platform or hardware. You need to enforce Service Level Agreements (SLAs), and that requires guaranteeing 100% uptime and monitoring client consumption. Your applications also have to be safe and secure from unauthorized users.
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Application Architecture Challenges
Of the three key challenges, Application Architecture has the most costly and time consuming issues to address, and has been the most difficult area in which to find third-party solutions. Unlike the Business and Delivery Architecture, ISVs have been facing the SaaS Architecture challenges largely on their own.
Until now.
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