VOICE OVER FRAME RELAY (VoFR)
During the years of 1996 to 1998, the Frame Relay Forum added new features to Frame Relay, principally to support real-time traffic, such as voice. The following discussion provides a synopsis of these operations, and describes the three functions: (a) PVC fragmentation, (b) Service Multiplexing and (c) voice over Frame Relay (VoFR). We begin this discussion with an analysis of PVC fragmentation.
PVC Fragmentation
The fragmentation operation was developed by the Frame Relay Forum to support delay-sensitive traffic such as voice connections. One approach is to multiplex the shorter frames onto the same physical interface that support longer frames. In other words, it is possible to interleave delay-sensitive traffic ...
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