1. Interstage Application Server V1 powered by Windows Azure: Provides the latest Java runtime environment for the Windows Azure Platform 2. NetCOBOL for .NET V4.2: Provides a COBOL runtime environment for the Windows Azure Platform 3. Systemwalker Operation Manager V1 powered by Windows Azure: Coordinates job scheduling between on-premise systems and the Windows Azure Platform 4. Systemwalker Centric Manager V13.5: Central multiplatform system monitoring that includes the Windows Azure Platform
You can provide secure communication through HTTPS and with using an (ideally secondary) access key. However you cannot identify a specific user accessing the queue. For that you will need to create a web service in a worker role to front the connection and authorisation types.