Update links and tags

caching/README.md

@@ -5,7 +5,8 @@ folder: caching
 permalink: /patterns/caching/
 categories: Behavioral
 tags:
- - Performance
+  - Performance
+  - Cloud distributed
 ---
 
 ## Intent
@@ -25,4 +26,4 @@ Use the Caching pattern(s) when
 
 * [Write-through, write-around, write-back: Cache explained](http://www.computerweekly.com/feature/Write-through-write-around-write-back-Cache-explained)
 * [Read-Through, Write-Through, Write-Behind, and Refresh-Ahead Caching](https://docs.oracle.com/cd/E15357_01/coh.360/e15723/cache_rtwtwbra.htm#COHDG5177)
-* [Cache-Aside](https://msdn.microsoft.com/en-us/library/dn589799.aspx)
+* [Cache-Aside pattern](https://docs.microsoft.com/en-us/azure/architecture/patterns/cache-aside)