Three tier architecture...

Data structure/Java Technique for managing a list of sequential commands...

Writing middle tier tests for website built using Struts...

How to log messages (raw XML) in middle-tier WCF scenario?...

WCF hosting for middle tier...

Architecture for multitenant middle-tier...

Is it advisable to make a web program to interface to a database-agnostic layer?...

Classic ASP app has COM 'middle layer' for light business logic. Is this needed in ASP.NET?...

How to send a secure request to a data tier over a firewall...

Moving from a direct db connection per user to using a web-service with pooled connections...

How to create an XPS document in a WCF service to store and return?...