Optimized selection of transmission protocol respecting thresholds
First Claim
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1. Method for management of data transmissions in a network, comprising:
- providing switching means, wherein the switching means switches on the basis of at least one respectively predetermined criterion between a first data transmission link, for which a transport protocol based on rate-based overload control is used, and a second data transmission link, for which a second transport protocol based on round trip time (RTT)-based overload control protocol is used, as alternative data transmission links between a transmitter and a receiver;
detecting and assessing at least one characteristic variable of the network at a monitoring device while one of the two data transmission links is used;
switching from an in-use transmission link to an inactive transmission link based on said assessment, wherein a switch from the first link to the second link is initiated when the value of the characteristic variable exceeds a predetermined first threshold value and wherein a switch from the second link to the first link is initiated when the value of the characteristic variable falls below a predetermined second threshold value, wherein the second link is monitored after the characteristic variable exceeds the first threshold value, with the switch to the second link being initiated after reception of a first data packet transmitted by means of the second link and after reception of a last data packet transmitted by means of the first link.
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Abstract
In the method for management of data transmissions in a network, switching means are provided, by means of which a change can be carried out between a first data transmission type and a second data transmission type, as alternative data transmission types between a transmitter and a receiver. The change is carried out on the basis of at least one respectively predetermined criterion. The first data transmission type corresponds to a transport protocol based on rate-based overload control. The second data transmission type corresponds to a transport protocol based on RTT-based overload control.
16 Citations
15 Claims
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1. Method for management of data transmissions in a network, comprising:
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providing switching means, wherein the switching means switches on the basis of at least one respectively predetermined criterion between a first data transmission link, for which a transport protocol based on rate-based overload control is used, and a second data transmission link, for which a second transport protocol based on round trip time (RTT)-based overload control protocol is used, as alternative data transmission links between a transmitter and a receiver; detecting and assessing at least one characteristic variable of the network at a monitoring device while one of the two data transmission links is used; switching from an in-use transmission link to an inactive transmission link based on said assessment, wherein a switch from the first link to the second link is initiated when the value of the characteristic variable exceeds a predetermined first threshold value and wherein a switch from the second link to the first link is initiated when the value of the characteristic variable falls below a predetermined second threshold value, wherein the second link is monitored after the characteristic variable exceeds the first threshold value, with the switch to the second link being initiated after reception of a first data packet transmitted by means of the second link and after reception of a last data packet transmitted by means of the first link. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. Apparatus for management of data transmissions in a network, comprising:
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a switching means configured to switch on the basis of at least one respectively predetermined criterion, between a first data transmission link, for which a first transport protocol based on rate-based overload control is used, and a second data transmission link, for which a second transport protocol based on a round trip time (RTT)-based overload control protocol is used, as alternative data transmission links between a transmitter and a receiver; a monitoring device configured to detect and assess at least one characteristic variable of the network while one of the two data transmission links is used; and wherein the switching means is further configured to switch from an in-use transmission link to an inactive transmission link based on said assessment, wherein a switch from the first link to the second link is initiated when the value of the characteristic variable exceeds a predetermined first threshold value and wherein a switch from the second link to the first link is initiated when the value of the characteristic variable falls below a predetermined second threshold value, wherein the second link is monitored after the characteristic variable exceeds the first threshold value, with the switch to the second link being initiated after reception of a first data packet transmitted by means of the second link and after reception of a last data packet transmitted by means of the first link. - View Dependent Claims (11, 12, 13, 14)
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15. Apparatus for management of data transmissions in a network, comprising:
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a switching means configured to switch on the basis of at least one respectively predetermined criterion, between a first data transmission link, for which a first transport protocol based on rate-based overload control is used, and a second data transmission link, for which a second transport protocol based on a round trip time (RTT)-based overload control protocol is used, as alternative data transmission links between a transmitter and a receiver; a monitoring device configured to detect and assess at least one characteristic variable of the network while one of the two data transmission links is used; and wherein the switching means is further configured to switch from an in-use transmission link to an inactive transmission link based on said assessment, wherein a switch from the first link to the second link is initiated when the value of the characteristic variable exceeds a predetermined first threshold value and wherein a switch from the second link to the first link is initiated when the value of the characteristic variable falls below a predetermined second threshold value, wherein the second link is monitored after the characteristic variable exceeds the first threshold value, with the switch to the second link being initiated after reception of a first data packet transmitted by means of the second link and after reception of a last data packet transmitted by means of the first link; and monitor the second data transmission link and to periodically check new data packets, wherein the receiver switches to the second data transmission link after reception of the first data packet transmitted by means of the second data transmission link and after reception of the last data packet transmitted by means of the first data transmission link.
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Specification