PGM Reliable Transport Protocol Specification
Tony Speakman, Jon Crowcroft, Jim Gemmell, Dino Farinacci, Shian-Min Lin, D. Leshchiner, Michael G. Luby, Todd L. Montgomery, Luigi Rizzo, Alex Tweedly, N. Bhaskar, R. Edmonstone, R. Sumanasekera, Lorenzo Vicisano · 2001
Pragmatic General Multicast (PGM) is a reliable multicast transport protocol for applications that require ordered or unordered, duplicate-free, multicast data delivery from multiple sources to multiple receivers. PGM guarantees that a receiver in the group either receives all data packets from transmissions and repairs, or is able to detect unrecoverable data packet loss. PGM is