Should I use a seperate web application in SharePoint 2010 for My Sites?

Hello,

I have created a seperate web application in Central Admin for My Sites sites. I have heard that you can use an existing one, like the same one you used for your main site. What are the pro and cons of using an existing web application or using a seperate one?

One difference with My Sites using a seperate application is that users experience the site asking for credentials.

Thanks.
gtrappAsked:
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Member_6283346Commented:
Hi!
The purpose of using separate application for my sites is to protected main application. Once my sites and main site are in the same application, users can (intentionally or unintentionally) influence work of whole app (e.g. crash app) and even make javascript injection attacks. So for security reason it is recommended to use separate app for my sites.
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gtrappAuthor Commented:
Thanks.
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