Bandwidth allocation for VoIP traffic in network having interface between frame relay and ATM

A computer-readable medium encoded with computer-readable program code to cause a computer system to:

• determine a frame relay data rate RFR for a Voice over Internet Protocol (VoIP) call based on a packetization time interval TS and its associated sample data size BS for a particular coder-decoder (CODEC), a size BHT of at least one of a frame relay header and a frame relay trailer, and a size BIP of at least one header in an IP packet for the VoIP call;
• determine a number of VoIP calls NUMVoIP p that can be supported by a frame relay access link based on a bandwidth of the frame relay access link that is to be allocated to VoIP traffic and the frame relay data rate RFR, wherein the bandwidth of the frame relay access link that is to be allocated to VoIP traffic is a product of a bandwidth BFR of the frame relay access link and a predetennined fraction RP of the bandwidth of the frame relay access link that is to be allocated to VoJIP traffic;
• determine at least one network parameter based on NUMRVOIP;
• and
• allocate bandwidth in an asynchronous transfer mode (ATM) network for the VoIP traffic based on the at least one network parameter.

A method comprising:

• determining a frame relay data rate RFR for a Voice over Internet Protocol (VoIP) call based on a packetization time interval TS and its associated sample data size BS for a particular coder-decoder (CODEC), a size BHT of at least one of a frame relay header and a frame relay trailer, and a size BIP of at least one header in an IP packet for the VoIP call;
• determining a number of VoIP calls NUMVoIP that can be supported by a frame relay access link based on a bandwidth of the frame relay access link that is to be allocated to VoIP traffic and the frame relay data rate RFR , wherein NUMVoIP=floor[Rp*BFR/RFR] and wherein BFR is a bandwidth of the frame relay access link and Rp is a predetermined fraction of the bandwidth of the frame relay access link that is to be allocated to VoIP traffic;
• determining at least one network parameter based on NUMVoIP ;
• and
• allocating bandwidth in an asynchronous transfer mode (ATM) network for the VoIP traffic based on the at least one network parameter.

A method comprising:

• determining a frame relay data rate RFR for a Voice over Internet Protocol (VoIP) call based on a packetization time interval TS and its associated sample data size BS for a particular coder-decoder (CODEC), a size BHT of at least one of a frame relay header and a frame relay trailer, and a size BIP of at least one header in an IP packet for the VoIP call, wherein RFR is based on (BHT+BIP+BS)/TS;
• determining a number of VoIP calls NUMVOIP that can be supported by a frame relay access link based on a bandwidth of the frame relay access link that is to be allocated to VoIP traffic and the frame relay data rate RFR;
• determining at least one network parameter based on NUMVOIP;
• and
• allocating bandwidth in an asynchronous transfer mode (ATM) network for the VoIP traffic based on the at least one network parameter.

A method comprising:

• determining a frame relay data rate RFR for a Voice over Internet Protocol (VoIP) call based on a packetization time interval TS and its associated sample data size BS for a particular coder-decoder (CODEC), a size BHT of at least one of a frame relay header and a frame relay trailer, and a size BIP of at least one header in an IP packet for the VoIP call;
• determining a number of VoIP calls NUMVOIP that can be supported by a frame relay access link based on a bandwidth of the frame relay access link that is to be allocated to VoIP traffic and the frame relay data rate RFR;
• determining at least one network parameter comprising a sustained cell rate (SCR) based on NUMVOIP and an ATM data rate RATM for the VoIP call, wherein BFR is a bandwidth of the frame relay access link, SCR= NUMVOIP*RATM+(BFR−NUMVOIP*RFR)*k and k is a constant;
• and
• allocating bandwidth in an asynchronous transfer mode (ATM) network for the VoIP traffic based on the at least one network parameter.

A computer-readable medium encoded with computer-readable program code to cause a computer system to:

• determine a frame relay data rate RFR for a Voice over Internet Protocol (VoIP) call based on a packetization time interval TS and its associated sample data size BS for a particular coder-decoder (CODEC), a size BHT of at least one of a frame relay header and a frame relay trailer, and a size BIP of at least one header in an IP packet for the VoIP call;
• determine a number of VoIP calls NUMVOIP that can be supported by a frame relay access link based on a bandwidth of the frame relay access link that is to be allocated to VoIP traffic and the frame relay data rate RFR , wherein NUMVOIP=floor[Rp*BFR/RFR] and wherein BFR is a bandwidth of the frame relay access lilnk and Rp is a predetermined fraction of the bandwidth of the frame relay access link that is to be allocated to VoIP traffic;
• determine at least one network parameter based on NUMVOIP;
• and
• allocate bandwidth in an asynchronous transfer mode (ATM) network for the VoIP traffic based on the at least one network parameter.

A computer-readable medium encoded with computer-readable program code to cause a computer system to:

• determine a frame relay data rate RFR for a Voice over Internet Protocol (VoIP) call based on a packetization time interval TS and its associated sample data size BS for a particular coder-decoder (CODEC), a size BHT of at least one of a frame relay header and a frame relay trailer, and a size BIP of at least one header in an IP packet for the VoIP call, wherein RFR is based on (BHT+BIP+BS)/TS;
• determine a number of VoIP calls NUMVOIP that can be supported by a frame relay access link based on a bandwidth of the frame relay access link that is to be allocated to VoIP traffic and the frame relay data rate RFR;
• determine at least one network parameter based on NUMVOIP;
• and allocate bandwidth in an asynchronous transfer mode (ATM) network for the VoIP traffic based on the at least one network parameter.

A computer-readable medium encoded with computer-readable program code to cause a computer system to:

• determine a frame relay data rate RFR for a Voice over Internet Protocol (VoIP) call based on a packetization time interval TS and its associated sample data size BS for a particular coder-decoder (CODEC), a size BHT of at least one of a frame relay header and a frame relay trailer, and a size BIP of at least one header in an IP packet for the VoIP call;
• determine a number of VoIP calls NUMVOIP that can be supported by a frame relay access link based on a bandwidth of the frame relay access link that is to be allocated to VoIP traffic and the frame relay data rate RFR;
• determine at least one network parameter comprising a sustained cell rate (SCR) based on NUMVOIP and an ATM data rate RATM for the VoIP call, wherein BFRis a bandwidth of the frame relay access link, SCR=NUMVOIP*RATM+(BFR−NUMVOIP*RFR)*k and k is a constant;
• and
• allocate bandwidth in an asynchronous transfer mode (ATM) network for the VoIP traffic based on the at least one network parameter.