The Windows Azure caching service helps you to build a high-end, scalable, and dedicated cache for your website.

Azure cache is offered in three different types:

1. Basic: A cache size less than 1 GB comes with this type.
2. Standard: A cache size ranging from 1 GB to 10 GB comes with this type.
3. Premium: A cache size more than 5 GB and less than 150 GB comes with this type.

Let's look over the messaging module.