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Broadcasting music from the cloud

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Using Spotify and Windows Azure websites to distribute music. This includes ASPNET SignalR.

Prepared for ITCAMP.RO

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Broadcasting music from the cloud

  1. 1. itcampro@ itcamp13# Premium conference on Microsoft technologies Broadcasting Music from the Cloud Andy Cross Windows Azure MVP Elastacloud @andybareweb blog.elastacloud.com
  2. 2. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public CloudHuge thanks to our sponsors!
  3. 3. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public Cloud • Real Time Web • Social media is the new telephone • Spotify API • Synchronicity • SignalR • Windows Azure Websites • Service Bus • ROCK!!! Agenda
  4. 4. itcampro@ itcamp13# Premium conference on Microsoft technologies REAL TIME WEB What is the Any sufficiently advanced technology is indistinguishable from magic. Arthur C Clarke
  5. 5. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public Cloud • A history! – HTML – Javascript – Iframes – XmlHttp – AJAX – JSONP – Web Sockets Real Time Web
  6. 6. itcampro@ itcamp13# Premium conference on Microsoft technologies Facebooks’ Real Time Web Facebook has multiple real time web features, such as the news feed and messaging
  7. 7. itcampro@ itcamp13# Premium conference on Microsoft technologies Twitters’ Real Time Web Twitter is perhaps the ultimate in real time web opportunities, but even it struggles with *n more tweets*
  8. 8. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public Cloud • With great advantages – Instant messaging – Responsive user interfaces – Collaboration and sharing • Come some great problems – Scalability • Concurrent connections • Server load – Complexity of client Real time web pitfalls
  9. 9. itcampro@ itcamp13# Premium conference on Microsoft technologies SOCIAL MEDIA If you want to share music, the 1990s were better than
  10. 10. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public Cloud • Billions of users of facebook • Imagine sharing music on there. – READY. STEADY. GO!!! • My real time is not your real time • If we want to build engagement on – Brand – Concept – Movement • we must engage simultaneously Social Media
  11. 11. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public CloudThe Real Time Web
  12. 12. itcampro@ itcamp13# Premium conference on Microsoft technologies SPOTIFY Broadcast Music to
  13. 13. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public Cloud • Spotify is a 4 year old ‘start up’ – Streaming music – Integrated apps • Apps are written in HTML5 and JS – Chromium Embedded • Its API for apps gives every song a URI – spotify:track:12345679abc • We will distribute these URIs along with a Play command Spotify
  14. 14. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public Cloud function playTrack(data) { console.log(data); player.playTrack(models.Track.fromURI(data)).d one(function () { //this is a promise update the ui maybe }); Example Spotify code
  15. 15. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public Cloud • Introducing Goose • Geese fly together. • Geese fly in flocks. • There is a lead goose in the flock • The rest are tail geese. • Geese honk • Geese sing • Geese flap Using the Real Time Web to fix this
  16. 16. itcampro@ itcamp13# Premium conference on Microsoft technologies SYNCHRONICITY? But how do we achieve
  17. 17. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public Cloud • We can send a Play command to individuals. • How can we combine the Real Time Web with this? My real time is not your real time
  18. 18. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public Cloud • We cannot just send PLAY commands – What if we join part way through a song – Nothing would be played until we completed the song • We also track the LEAD GOOSE’s position My real time is not your real time
  19. 19. itcampro@ itcamp13# Premium conference on Microsoft technologies ASP.NET SIGNALR Technologies for the Real Time Web
  20. 20. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public CloudWhat does SignalR try to fix? Here’s some data!
  21. 21. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public CloudHow does it fix it? Yeah, dude!
  22. 22. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public CloudComponents
  23. 23. itcampro@ itcamp13# Premium conference on Microsoft technologies WINDOWS AZURE WEBSITES Scalable Hosting
  24. 24. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public Cloud • Start on Free – And continue for dev/test • Production uses Reserved Mode – Custom URL – Scalable as easily as: Not a lightweight option
  25. 25. itcampro@ itcamp13# Premium conference on Microsoft technologies SERVICE BUS BACKPLANE SignalR scale out
  26. 26. itcampro@ itcamp13# Premium conference on Microsoft technologies Private & Public CloudScaling with the Service Bus
  27. 27. itcampro@ itcamp13# Premium conference on Microsoft technologies ROCK! HONK! Enough talk!
  28. 28. itcampro@ itcamp13# Premium conference on Microsoft technologies Q & A

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