System and method for dynamic rate adaptation based on real-time call quality metrics

1. A method comprising:

transmitting, by a network device, a sampling packet for an upstream traffic and a downstream traffic including a transmit timestamp at an interval, wherein the interval is adjusted based on one or more of a per packet basis and a per client basis;

receiving an acknowledgement packet comprising a receipt timestamp;

determining a call quality of service, by the network device, for the upstream traffic and the downstream traffic based on a comparison of the transmit timestamp and the receipt timestamp for each of the upstream traffic and the downstream traffic, wherein the call quality of service is associated with a real-time streaming packet received at an upstream traffic transmission rate and a downstream traffic transmission rate; and

adjusting the upstream traffic transmission rate and the downstream traffic transmission rate to a second upstream traffic transmission rate and a second downstream traffic transmission rate, respectively, based on the call quality of service for each of the upstream traffic and the downstream traffic, and based on call quality metrics including a reliability of a transmission of the real-time streaming packet and a transmission delay.

2. The method of claim 1 , wherein the transmission delay includes a propagation delay or a transmission delay of the real-time streaming packet.

3. The method of claim 1 , wherein the call quality metrics include packet loss, a jitter, a packet type, or a time gap between the sampling packet and the acknowledgement packet.

4. The method of claim 1 , further comprising:

determining a new quality of service associated with the real-time streaming packet at the second transmission rate.

5. The method of claim 1 , comprising:

sniffing a control packet or performing a deep packet inspection to identify the real-time streaming packet.

6. The method of claim 5 , wherein the real-time streaming packet includes a packet type, and wherein the packet type is an i-frame, a p-frame, or a b-frame.

7. The method of claim 1 , wherein adjusting the transmission rate includes increasing or decreasing the transmission rate of the real-time streaming packet, increasing or decreasing a number of retransmission attempts for the real-time streaming packet, or increasing or decreasing a transmission power associated with the real-time streaming packet.

8. A computing device, comprising:

one or more processors; and

a memory having instructions stored thereon, which when executed by the one or more processors, cause the computing device to perform operations including:

transmitting, by a network device, a sampling packet for an upstream traffic and a downstream traffic including a transmit timestamp at an interval, wherein the interval is adjusted based on one or more of a per packet basis and a per client basis;

receiving an acknowledgement packet comprising a receipt timestamp;

determining a call quality of service, by the network device, for the upstream traffic and the downstream traffic based on a comparison of the transmit timestamp and the receipt timestamp for each of the upstream traffic and the downstream traffic, wherein the call quality of service is associated with a real-time streaming packet received at an upstream traffic transmission rate and a downstream traffic transmission rate; and

adjusting the upstream traffic transmission rate and the downstream traffic transmission rate to a second upstream traffic transmission rate and a second downstream traffic transmission rate, respectively, based on the call quality of service for each of the upstream traffic and the downstream traffic, and based on call quality metrics including a reliability of a transmission of the real-time streaming packet and a transmission delay.

9. The computing device of claim 8 , wherein the transmission delay includes a propagation delay or a transmission delay of the real-time streaming packet.

10. The computing device of claim 8 , wherein the call quality metrics include packet loss, a jitter, a packet type, or a time gap between the sampling packet and the acknowledgement packet.

11. The computing device of claim 8 , further comprising instructions, which when executed by the one or more processors, cause the computing device to perform operations including:

determining a new quality of service associated with the real-time streaming packet at the second transmission rate.

12. The computing device of claim 8 , further comprising instructions, which when executed by the one or more processors, cause the computing device to perform operations including:

sniffing a control packet or performing a deep packet inspection.

13. The computing device of claim 5 , wherein the real-time streaming packet includes a packet type, and wherein the packet type is an i-frame, a p-frame, or a b-frame.

14. The computing device of claim 8 , wherein adjusting the transmission rate includes increasing or decreasing the transmission rate of the real-time streaming packet, increasing or decreasing a number of retransmission attempts for the real-time streaming packet, or increasing or decreasing a transmission power associated with the real-time streaming packet.

15. A computer-program product tangibly embodied in a non-transitory machine-readable storage medium, including instructions configured to cause a data processing apparatus to:

transmit, by a network device, a sampling packet for an upstream traffic and a downstream traffic including a transmit timestamp at an interval, wherein the interval is adjusted based on one or more of a per packet basis and a per client basis;

receive an acknowledgement packet comprising a receipt timestamp;

determine a call quality of service, by the network device, for the upstream traffic and the downstream traffic based on a comparison of the transmit timestamp and the receipt timestamp for each of the upstream traffic and the downstream traffic, wherein the call quality of service is associated with a real-time streaming packet received at an upstream traffic transmission rate and a downstream traffic transmission rate; and

adjust the upstream traffic transmission rate and the downstream traffic transmission rate to a second upstream traffic transmission rate and a second downstream traffic transmission rate, respectively, based on the call quality of service for each of the upstream traffic and the downstream traffic, and based on call quality metrics including a reliability of a transmission of the real-time streaming packet and a transmission delay.

16. The computer-program product of claim 15 , wherein the transmission delay includes a propagation delay or a transmission delay of the real-time streaming packet.

17. The computer-program product of claim 15 , wherein the call quality metrics include packet loss, a jitter, a packet type, or a time gap between the sampling packet and the acknowledgement packet.

18. The computer-program product of claim 15 , further comprising instructions configured to cause the data processing apparatus to:

determining a new quality of service associated with the real-time streaming packet at the second transmission rate.

19. The computer-program product of claim 15 , further comprising instructions to cause the data processing apparatus to:

sniff a control packet or perform a deep packet inspection to identify the real-time streaming packet.

20. The computer-program product of claim 19 , wherein the real-time streaming packet includes a packet type, and wherein the packet type is an i-frame, a p-frame, or a b-frame.

21. The computer-program product of claim 15 , wherein adjusting the transmission rate includes increasing or decreasing the transmission rate of the real-time streaming packet, increasing or decreasing a number of retransmission attempts for the real-time streaming packet, or increasing or decreasing a transmission power associated with the real-time streaming packet.