http://blogs.msdn.com/gianpaolo/archive/2008/06/20/i-can-t-believe-we-are-still-talking-about-whether-saas-multi-tenancy.aspxI was reading Why multi-tenancy matters and Many degrees of multi-tenancy today and honestly, I am still surprised that there is still a debate around whether multi-tenancy is a prerequisite for SaaS. Multi-tenancy is a provider view of things, if youen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/gianpaolo/archive/2008/06/20/i-can-t-believe-we-are-still-talking-about-whether-saas-multi-tenancy.aspx#8639438Sun, 22 Jun 2008 20:27:34 GMT91d46819-8472-40ad-a661-2c78acb4018c:8639438diathesis<p>Multi-tenancy can still affect the consumers of SaaS -- in particular, if the consumer is folding the service into their own multi-tenant offering, multi-tenancy can be critical. &nbsp;But the secondary effects of multi-tenancy can still be significant -- like disruptive changes in an always-upgrade environment. &nbsp;But fort those clients not using multitenancy directly, they would be better focusing on those effects, I agree.</p>