PGM Reliable Transport Protocol Specification. - Tony Speakman; Jon Crowcroft; Jim Gemmell; Dino Farinacci; Steven Lin; Dan Leshchiner; Michael Luby; Todd L. Montgomery; Luigi Rizzo; Alex Tweedly; Nidhi Bhaskar; Richard Edmonstone; et al. (RFC, 2001)

Bootstrap Router (BSR) Mechanism for Protocol Independent Multicast (PIM). - Nidhi Bhaskar; Alexander Gall; James Lingard; Stig Venaas (RFC, 2008)