ASP.NET Website: Hosting Approach pros & cons

Hello Folks,

I've an application (in ASP.NET) which will be having multi-tenanted feature.

I  would like to have your suggestions/concerns along with pros & cons for website hosting with below approaches.

1.      One website hosting for all customers.
2.      Per customer website.
3.      Hybrid approach i.e. bunch of customers will use one website instance. For e.g. we have 1000 customers and we can make bunch of 10 customers.

Just FYI, we can have one database or separate database(s). We can do customization at back end.

Best Regards,
Mohit Pandit
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Randy DownsOWNERCommented:
Maybe this article will help.  They started out with separate databases and regretted it down the line.

Considerations for a centralised database:

    Global product SKUs
    Simplified inventory requisitions
    Easier to backup
    Deploy once instead of for every branch

Considerations against a centralised database:

    Easier to differentiate branch requirements with separate DBs
    Modular deployment (one downed branch doesn't break all)
    Harder to manage and develop for shared DB
    I have to re-design invoice numbering (sequence generated by seed)
    Less WHERE clauses everywhere
    Restoring one broken branch has plenty of implications for other branches
You will need entire server to host many websites.
One site per customer is ok. Just that you need little more memory to hold copy of ASPX per user.
I'd prefer to isolate customers using separate DBs, so that some quick SQL does not expose them to eachother.
Pay attention to SQL connection pooling (DB connections are slow to set up and lot of RAM server side, say 16MB for very starter)

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MohitPanditAuthor Commented:
I'll work on it and will share my points as well.
MohitPanditAuthor Commented:
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