SaaS vs Hosted, Part 1: The Differences are in the Design DAM-it!.
In recent years, many companies have added a hosted option for their applications to compete with the SaaS deployment model. Some similarities are obvious — in both cases, the application is hosted off the customer’s premises. The differences become apparent when you examine the details under the proverbial hood; a hosted application is running on an off-premises server but may not necessarily be managed by the application provider. However, the SaaS model is built with off-premises hosting in mind, and is thus integrated within the application developer’s IT infrastructure.
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