I have been pondering about the technical implications of SaaS for the enterprise. So far, I think the high order bit boils down to two things: integration and application composition of on-premise and in-the-cloud services. The integration and composite...

This is the companion slide deck for the multi-tenant data architecture paper we published recently. Single instance, multi-tenancy is the three-headed monster (scalability, configurability and multi-tenant efficiency) that haunts every SaaS ISVs....

Today, my team launched the SaaS architecture website on MSDN. Over time, we would like this to become the premier site where our customers can go and find information about SaaS architecture approaches and solutions, and case studies of customer adoption...

Gianpaolo and I will be presenting an architecture session at the SaaScon in September. We’ll be talking about SaaS architecture from these three dimensions: delivery, consumption and hosting, which should be interesting to different players in the...

I love the long tail metaphor. It explained the business model behind Amazon, Netflix, Web 2.0 and now SaaS. In my first SaaS paper , I used the long tail to explain the potential business software buyer market. Lately, I’ve been thinking about...