This page contains references to enterprise architecture posts on other blogs
Onion Architecture on @herbertograca
Onion Architecture builds on the Ports & Adapters Architecture to add some internal organisation to the business logic of the application based on a few Domain Driven Design concepts.
Again, this is an evolution in further segregating responsibilities, providing for low coupling and high cohesion, which in turn provides for more testability and maintainability.
FINthinkers 