More generally, this component ensures authenticated, unchanged information and authenticated communication partners. Since this is code that is downloaded from an external source to be executed at the receiver it must be authenticated and run inside an environment that allows the user to specify access permissions and protects the receiver from malicious code. The receiver is the interface that facilitates interaction between users and channels. It gets channel data from broadcasters, presents it to the user, and enables the user to interact with the system. Encryption Some channels will hold confidential data or users will have to pay for a channel.
Encryption ensures that such requirements are met.
In a large-scale push system a dedicated transport system is necessary to make it scale and operational, i.e. take care of efficient network access in terms of decreasing network bandwidth consumption and increase availability and responsiveness. A BDC is a generic component that acts as a broadcaster towards receivers and as a receiver towards broadcasters in order to achieve the transparency property. We have set up an distributed development environment, the Minstrel Developer's Package . Visitors are welcome. In the Dark Ages this mainly was the task of minstrels who traveled across the country.