What is it?
Windows Azure Cache is a distributed, in-memory, scalable solution that can be used to build highly scalable and responsive applications by providing super-fast access to data. A cache created using the Cache Service is accessible from applications within Windows Azure running on Windows Azure Web Sites, Web & Worker Roles and Virtual Machines.
Why is it Important?
On September 3rd 2013, Microsoft announced a new Windows Azure Cache Service. This is actually quite interesting for projects that requires a Highly Available (HA) Cache. It allows you to create a Cache Cluster using the management portal. This means that all infrastructure maintenance and resource management is Microsoft’s responsibility.