MLS Clouds
I now bring the ‘Cloud’ blog series to an end by discussing MLS clouds and how BlueSpace fits into the cloud topic. If you’ve missed the last two...
Mashup Server
A server that provides web service connectivity
The BlueSpace Mashup Server is a server application that provides web service connectivity between the BlueSpace Client Framework / Application Servers specific to each end user application and the Trusted Service Bus. A set of Application Server instances specific to a given end user application, a set of Mashup Server instances and the Trusted Service Bus are deployed onto an Application Appliance that is specific for a given end user application – e.g. the Unity Application Appliance.
The Mashup Server is a single level process that sits in front of the Trusted Service Bus – there is an instance of the Mashup Server on each domain spanned by an MLS application.
The Mashup Server provides a web service for cross-domain functions. Leveraging WS-* standards, the web service components are able to:
- Authenticate all requests as coming from the S2 server in their domain (via certificate exchange for this demonstration).
- Authenticate and authorize the DTW principal using delegated credentials (WS-Trust).
- Allow for encryption of the WS payload (WS-Security).
The Mashup Server web service effectively acts as a connector, or adapter, between the Trusted Service Bus (TSB) and the Application Server. Upon receiving an authenticated and authorized request, the mashup web service will invoke TSB functions to send a cross-domain message.
