A Windows Azure application is called a “service”
<div class="O1" style="direction:ltr;line-height:120%;margin-bottom:0;margin-left:.81in;margin-top:4.8pt;text-align:left;text-indent:-.31in;unicode-bidi:embed;vertical-align:baseline;">–Definition information</div><div class="O1" style="direction:ltr;line-height:120%;margin-bottom:0;margin-left:.81in;margin-top:4.8pt;text-align:left;text-indent:-.31in;unicode-bidi:embed;vertical-align:baseline;">–Configuration information</div><div class="O1" style="direction:ltr;line-height:120%;margin-bottom:0;margin-left:.81in;margin-top:4.8pt;text-align:left;text-indent:-.31in;unicode-bidi:embed;vertical-align:baseline;">–At least one “role”</div><div style="direction:ltr;line-height:120%;margin-bottom:0;margin-left:.38in;margin-top:5.76pt;text-align:left;text-indent:-.38in;unicode-bidi:embed;vertical-align:baseline;">•Roles are like DLLs in the service “process”</div><div class="O1" style="direction:ltr;line-height:120%;margin-bottom:0;margin-left:.81in;margin-top:4.8pt;text-align:left;text-indent:-.31in;unicode-bidi:embed;vertical-align:baseline;">–Collection of code with an entry point that runs in its own virtual machine</div><div style="direction:ltr;line-height:120%;margin-bottom:0;margin-left:.38in;margin-top:5.76pt;text-align:left;text-indent:-.38in;unicode-bidi:embed;vertical-align:baseline;">•There are currently three role types:</div><div class="O1" style="direction:ltr;line-height:120%;margin-bottom:0;margin-left:.81in;margin-top:4.8pt;text-align:left;text-indent:-.31in;unicode-bidi:embed;vertical-align:baseline;">–Web Role: IIS7 and ASP.NET in Windows Azure-supplied OS</div><div class="O1" style="direction:ltr;line-height:120%;margin-bottom:0;margin-left:.81in;margin-top:4.8pt;text-align:left;text-indent:-.31in;unicode-bidi:embed;vertical-align:baseline;">–Worker Role: arbitrary code in Windows Azure-supplied OS</div><div class="O1" style="direction:ltr;line-height:120%;margin-bottom:0;margin-left:.81in;margin-top:4.8pt;text-align:left;text-indent:-.31in;unicode-bidi:embed;vertical-align:baseline;">–VM Role: uploaded VHD with customer-supplied OS</div>