8.3. Multicast Operation and Configuration
So, let's take a look at this process. I discussed quite a few pieces, now let's make sure they all fit together. You have to start out with a multicast source. There has to be some traffic or data that a user can sign up for or request to receive. The sign up or request process can be accomplished by clicking on a link the user received in email or picking a selection from a multicast application loaded on their host machine. The application must be updated somehow about the available data or sessions; the content usually maps to one or more IP multicast groups.
These are several possibilities for applications to learn about the sessions:
The application may join a well-known predefined group, to which ...
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