Monday, May 2, 2011
See "Policy Control and Video Optimization" - here.
Randy also updates that "3GPP recently acknowledged the common use of Gx in this way with optimization systems, DPI and other non-GGSN devices, by defining a “Traffic Detection Function” or TDF in Release 11. The TDF to PCRF reference point, listed as Sd, will have strong similarities to Gx while adapting to some of the unique natures of a non-GGSN device. In other words, the spreading out of the mobile packet core is officially underway"