Method of improving the performance of a transmission protocol using a retransmission timer
First Claim
1. A method of improving the performance of a transmission protocol using a retransmission timer, in which method the retransmission time-out (RTO) of said retransmission timer is varied as a function of statistics on the round-trip time (RTT) including a spread estimate, which method is characterized in that jitter is introduced into said round-trip time (RTT) to control the spread thereof in order to guarantee a minimum value thereof reducing the probability of spurious time-outs of said retransmission timer.
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Abstract
A method of improving the performance of a transmission protocol using a retransmission timer, in which method the retransmission time-out (RTO) of said retransmission timer is varied as a function of statistics on the round-trip time (RTT) including a spread estimate, which method is essentially characterized in that jitter is introduced into said round-trip time (RTT) to control the spread thereof in order to guarantee a minimum value thereof reducing the probability of spurious time-outs of said retransmission timer.
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Citations
15 Claims
- 1. A method of improving the performance of a transmission protocol using a retransmission timer, in which method the retransmission time-out (RTO) of said retransmission timer is varied as a function of statistics on the round-trip time (RTT) including a spread estimate, which method is characterized in that jitter is introduced into said round-trip time (RTT) to control the spread thereof in order to guarantee a minimum value thereof reducing the probability of spurious time-outs of said retransmission timer.
- 6. A device for a telecommunication system implementing a transmission protocol using a retransmission timer whose retransmission time-out (RTO) is varied as a function of statistics on the round-trip time (RTT) including a spread estimate, which device is characterized in that it comprises means for introducing jitter into said round-trip time (RTT) to control its spread to guarantee a minimum value thereof reducing the probability of spurious time-outs of said retransmission timer.
Specification