dvbyell is a streaming solution for DVB(-S/-S2/-C/-T). It will read streams from Linux device nodes (/dev/dvb/*) associated with a DVB device and send them to the network using UDP multicast. This kind of software is often referred to as "DVB to IP gateway" or "IPTV server". Other solutions that provide similar support already exist, so in helping you to decide whether dvbyell suits your needs, some of its features are listed below.

Please note that dvbyell does not do on-demand channel switching. It is designed to stream a fixed set of programs. This is usually what's required in a larger network where people expect a certain number of programs and don't care if Japanese bible TV isn't available.