A new, fully-distributed protocol for integrated voice/d&a traffic in a local-area, random-access broadcast network is described. The protocol introduces a movable voice-data boundary to framed TDMA/CSh4A and eliminates the requirement of system-wide synchronized clocks. The movable boundary is a major advantage in any system where fluctuations in voice and data loads are expected because assignment of idle capacity from one tragic class to the other increases the utilization of the channel. The protocol provides collision-free virtual circuits for voice and periods of non-persistent CSMAfCD for data traffic and call establishment, and can support multi-party calls as well as tw*way conversations. The protocol allows variable-size voice packets that have very low overhead and variable-size data packets that may be much longer than voice packets. This is of significant practical advantage over previous work, which has required fixed-size voice and/or data packets, or voice packets with high overhead. A method of dynamically controlling the movable boundary to balance the voice and data traffic is also proposed.
A new, fully-distributed protocol for integrated voice/data traffic in a local-area, random-access broadcast network is described. The protocol introduces a movable voice-data boundary to framed TDMA/CSMA and eliminates the requirement of system-wide synchronized clocks. The movable boundary is a major advantage in any system where fluctuations in voice and data loads are expected because assignment of idle capacity from one traffic class to the other increases the utilization of the channel. The protocol provides collision-free virtual circuits for voice and periods of non-persistent CSMA/CD for data traffic and call establishment, and can support multi-party calls as well as two-way conversations. The protocol allows variable-size voice packets that have very low overhead and variable-size data packets that may be much longer than voice packets. This is of significant practical advantage over previous work, which has required fixed-size voice and/or data packets, or voice packets with high overhead. A method of dynamically controlling the movable boundary to balance the voice and data traffic is also proposed.
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