Distributed system architectures and design, service-oriented computing, and frameworks for development of distributed applications and software components.
Service-oriented architecture (SOA) and its applications in e-business.
Yesterday we released a new version of the mesh tools. Nothing earth shattering yet, but the main new feature I have been working on is connecting a mesh of computers to an external web site. Basically, you use the mesh to coordinate computers in such a way as to keep one of them connected to an external web site at all times.