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Porting ASP.NET applications to
Windows Azure
Gunnar Peipman
ASP.NET/IIS MVP
About me
• Name: Gunnar Peipman
• Job: Chief Everything Officer
• Company: Peipman Consult
• Hobbies: Coding, reading,
travelling, cooking, beers, heavy
metal music
• MS: ASP.NET MVP (since 2008)
• Community: ENETA
• Blog: gunnarpeipman.com
• E-mail: me@gunnarpeipman.com
Agenda
• Windows Azure services
• Problems with classic web applications
• Think different
• Sample solutions
• Demo
• Q&A
Windows Azure services
Windows Azure services
Web Sites
Virtual
Machines
Mobile
Services
Cloud
Services
SQL DB Storage
Media
Services
Service
Bus
Cache
Application types
• In-premises: we host everything on our servers
• Cloud: everything is hosted on Windows Azure
• Hybrid: mix of cloud and in-premises
Problems in classic web
applications
Local files
• Direct use of local directories to keep files
• File system support is hardcoded to application
• Not proper use of temporary files
• Using folders above web application root
Local database
• Systems of developed and tested using SQL Server on
development machine
• Database is located in network but not much test data is
available
In-proc and local data
• Session data is kept in server memory
• Cache data is kept in server memory
• Some shared data is kept in static variables
Think different
Change in mindset
• Your code must work in multi-server environment
• There will always be network
• Instead of modules there are pluggable components
• Everything can be service
Breaking dependencies
• Most of the work you do is breaking dependencies
• While breaking dependencies you make generalizations
• You move to modularized code
• You make it easier to test your code
Sample solutions
Generalizing file storage
• Local file system: paths up to 248 chars
• Blob Storage: account -> container -> blob
• Other services:
o Amazon
o OneDrive
o Google Drive
o SharePoint
• Considering all those limits try to get things done 
IFileClient interface
IFileClient interface
ILogger interface
ILogger interface
Sessions and cache
• Stop using in-proc session and cache
• Use SQL Server or some distributed cache
• Test for performance and monitor traffic
• If needed ask session values once per request
Demo: Hybrid applications
Upcoming events
UXify Bulgaria, June 7
Sessions, training day and more
http://uxify.org/
SQLSaturday #311 in October!
http://www.sqlsaturday.com/311/
jQuery Bulgaria, November 22
http://www.jquerybulgaria.com/
Thanks to our Sponsors:
Global Sponsor:
Gold Sponsors:
Swag Sponsors: Media Partners:
More Global Sponsors:
Silver Sponsors:

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Porting ASP.NET applications to Windows Azure

  • 1. Porting ASP.NET applications to Windows Azure Gunnar Peipman ASP.NET/IIS MVP
  • 2. About me • Name: Gunnar Peipman • Job: Chief Everything Officer • Company: Peipman Consult • Hobbies: Coding, reading, travelling, cooking, beers, heavy metal music • MS: ASP.NET MVP (since 2008) • Community: ENETA • Blog: gunnarpeipman.com • E-mail: [email protected]
  • 3. Agenda • Windows Azure services • Problems with classic web applications • Think different • Sample solutions • Demo • Q&A
  • 5. Windows Azure services Web Sites Virtual Machines Mobile Services Cloud Services SQL DB Storage Media Services Service Bus Cache
  • 6. Application types • In-premises: we host everything on our servers • Cloud: everything is hosted on Windows Azure • Hybrid: mix of cloud and in-premises
  • 7. Problems in classic web applications
  • 8. Local files • Direct use of local directories to keep files • File system support is hardcoded to application • Not proper use of temporary files • Using folders above web application root
  • 9. Local database • Systems of developed and tested using SQL Server on development machine • Database is located in network but not much test data is available
  • 10. In-proc and local data • Session data is kept in server memory • Cache data is kept in server memory • Some shared data is kept in static variables
  • 12. Change in mindset • Your code must work in multi-server environment • There will always be network • Instead of modules there are pluggable components • Everything can be service
  • 13. Breaking dependencies • Most of the work you do is breaking dependencies • While breaking dependencies you make generalizations • You move to modularized code • You make it easier to test your code
  • 15. Generalizing file storage • Local file system: paths up to 248 chars • Blob Storage: account -> container -> blob • Other services: o Amazon o OneDrive o Google Drive o SharePoint • Considering all those limits try to get things done 
  • 20. Sessions and cache • Stop using in-proc session and cache • Use SQL Server or some distributed cache • Test for performance and monitor traffic • If needed ask session values once per request
  • 22. Upcoming events UXify Bulgaria, June 7 Sessions, training day and more http://uxify.org/ SQLSaturday #311 in October! http://www.sqlsaturday.com/311/ jQuery Bulgaria, November 22 http://www.jquerybulgaria.com/
  • 23. Thanks to our Sponsors: Global Sponsor: Gold Sponsors: Swag Sponsors: Media Partners: More Global Sponsors: Silver Sponsors: