Do you use subdomains instead of virtual directories?

Using subdomains over directories has 2 main benefits:

1. it is easier to host different sections of your website on different platforms, and
2. in different geographic locations

::: greybox

• myservice.com/ssw/
• myservice.com/northwind /
  ::: ::: bad Figure: Bad Example - Virtual directories used to distinguish organizations :::

::: greybox

• ssw.myservice.com/
• northwind.myservice.com/ ::: ::: good Figure: Good Example - Subdomains used to distinguish organizations
  :::