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SharePoint Apps Introduction #2 |Hosting models in SharePoint Apps

There are mainly two hosting models which are “SharePoint Hosted” and “Cloud Hosted”. Cloud hosted model is subdivided into two models as “Provider Hosted” and “Auto-hosted.”



SharePoint hosted Apps



  • Contains only client side code and resources such as web pages and JavaScript’s etc.

  • Severed up entirely by SharePoint environment





Cloud hosted App hosting



  • As mentioned, there are two variations in this those are provider-hosted and auto-hosted

  • Both types has associated “remote web” which host app-start page and required resources

  • Capable of hosting custom database to store app specific data



Provider hosted apps


  • Provider hosted apps with multi-tenancy creates complexity

  • This separates app data from tenancy, so that user in an one tenancy cant access data in a separate tenancy (which is good for policies)

  • Comparatively more cost and time to develop apps in provider hosted apps





Auto hosted apps


  • No involvement with scalability and data isolation which was there in the provider hosted development (No worries ☺)

  • Only supported in O365(online cloud), but no idea whether this will introduced to On-premise apps

  • O365 provided SharePoint where Windows Azure hosts “remote web” and provides SQL Azure database on demand



Advantages of Auto hosted


  • Lowe development cost compared to provider hosted apps

  • Less complex

  • Data isolation





 

 

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