Access Control Service
The Access Control Service provides an easy way to secure Web applications and services while integrating with standards-based identity providers, including enterprise directories and Web identity systems such as Windows Live ID. Authorization decisions can be pulled out of the application and into a set of declarative rules that can transform incoming security claims into claims that applications understand.
Service Bus
The Service Bus makes it easy to connect applications together over the Internet. Services that register on the Bus can easily be discovered and accessed, across any network topology. The Service Bus provides the familiar Enterprise Service Bus application pattern, while solving some of the hard issues that arise when implementing this pattern across network, security, and organizational boundaries, at Internet scale.