Patterns & Practices are key indicators of any application development life-cycle whether it’s Windows Store / Desktop app, Web , Cloud , mobility or LOB app. Microsoft P & P leverages few new patterns as well for Cloud based apps. Lets have a summation as followed:
18. Retry Pattern.
27. Caching Guidance
Take a look of this link to deep dive into each of pattern’s architecture , key scenario considerations.
To have a complete overview on the projects executed by P&P team, have a look at this site.