Cloud ERP vs On-Premise ERP: Which Is Better?
ERP has three main deployment models: on premises, cloud-based and hybrid, a combination of the two. Hybrid clouds have always been somewhat of a mushy area. For that reason, this article focuses on comparing on-premises systems with one important cloud computing option, SaaS, in which an organization subscribes to a service delivered over the internet.
There are two main
types of SaaS. In the multi-tenant model, each customer's data is segregated,
but the same application, database and underlying infrastructure serve multiple
customers. With single-tenant SaaS, each customer gets its own instance of the
application and database.
While there are many
flavors of cloud -- including hosted, public, managed and hybrid -- SaaS is an
increasingly popular option to replace on-premises ERP systems. This article
mostly compares the multi-tenant style of SaaS ERP with on-premises
ERP. While single-tenant SaaS has much of the scalability, convenience and ease
of use of all SaaS applications, it usually adds costs and maintenance
responsibilities that are mostly absent from multi-tenant SaaS.
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