Background I ran into an interesting issue yesterday at work. There is a new video system being installed, which takes the video output from computers, encodes it and sends it as multicast to a controller. The controller then displays it
Source Specific Multicast (SSM) and IGMP filtering
Regular multicast is known as Any Source Multicast (ASM). It is based on a many to many model where the source can be anyone and only the group is known. For some applications like stock trading exchange this is a