Globally fair polling for packet switched routers using dynamically biased arbitration
US-9225632-B2 · Dec 29, 2015 · US
US2016373369A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016373369-A1 |
| Application number | US-201414902405-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jul 4, 2014 |
| Priority date | Jul 4, 2013 |
| Publication date | Dec 22, 2016 |
| Grant date | — |
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The present invention relates to a method ( 600 ) for data transfer via a communication device ( 100 ). The communication device ( 100 ) is configured to receive data via an input (Rx, A), to output the received data via an output (Tx, B) of the communication device ( 100 ), and to output additional data via the output (Tx, B). In the course of the method, data are received via the input (Rx, A) and are stored temporarily in an intermediate data memory ( 110 ). The intermediate data memory ( 110 ) has a predetermined size. Moreover, the data stored temporarily are output via the output (Tx, B). In addition, a size of a data area not used by the received data in the intermediate data memory ( 110 ) is determined, and additional data are output via the output (Tx, B) in a manner depending on this size.
Opening claim text (preview).
1 . Method for data transfer via a communication device, wherein the communication device is configured to receive data via an input (Rx, A) of the communication device, to output the data received via the input (Rx, A) via an output (Tx, B) of the communication device, and to output additional data via the output (Tx, B), said method comprising: receiving the data via the input (Rx, A), storing temporarily the data received via the input (Rx, A) in an intermediate data memory with a predetermined size, outputting the data stored temporarily via the output (Tx, B), determining a size of a data area not used by the received data in the intermediate data memory, and outputting the additional data via the output (Tx, B) in a manner depending on the size of the data area not used by the received data in the intermediate data memory. 2 . Method according to claim 1 , wherein the determination of the size of the data area not used by the received data includes a determination of whether the intermediate data memory is empty. 3 . Method according to claim 1 , wherein the temporary storing of the received data includes a routing of the received data through the intermediate data memory at a predetermined speed. 4 . Method according to claim 1 , wherein the temporary storing of the received data includes a temporary storing of the received data in the intermediate data memory for a precisely predetermined time. 5 . Method according to claim 1 , wherein the additional data comprise data that were not received via the input (Rx, A). 6 . Method according to claim 1 , wherein the additional data comprise data that were generated by the communication device. 7 . Method according to claim 1 , wherein the data comprise data packets, each data packet comprising several data units, wherein the temporary storing of the received data includes a temporary storing of each data unit for a precisely predetermined time. 8 . Method according to claim 1 , wherein the additional data are output via the output (Tx, B) if the size of the data area not used by the received data in the intermediate data memory is larger than or equal to the size of a dataset of the additional data. 9 . Method according to claim 1 , further including a temporary storing of the additional data in an additional intermediate data memory before the additional data are output via the output (Tx, B). 10 . Method according to claim 1 , wherein the communication device is configured to receive further data via a further input (Rx, B) of the communication device, to output the further data received via the further input (Rx, B) via a further output (Tx, A) of the communication device, and to output further additional data via the further output (Tx, A), said method comprising: receiving the further data via the further input (Rx, B), storing temporarily the further data received via the further input (Rx, B) in a further intermediate data memory with a size that is equal to the predetermined size of the intermediate data memory, outputting the data stored temporarily in the further intermediate data memory via the further output (Tx, A), determining a size of a data area not used by the received further data in the further intermediate data memory, and outputting the further additional data via the further output (Tx, A) in a manner depending on the size of the data area not used by the further received data in the further intermediate data memory. 11 . Communication device comprising: an input (Rx, A) for receiving data, an output (Tx, B) for outputting data, an intermediate data memory with a predetermined size, and a control device is configured to store temporarily data received via the input (Rx, A) in the intermediate data memory, to output the data stored temporarily in the intermediate data memory via the output (Tx, B), to determine a size of a data area not used by the received data in the intermediate data memory, and to output additional data via the output (Tx, B) in a manner depending on the size of the data area not used by the received data in the intermediate data memory. 12 . Communication device according to claim 11 , wherein the control device is configured to determine the size of the data area not used by the received data by a determination of whether the intermediate data memory is empty. 13 . Communication device according to claim 11 , wherein the control device is configured to store temporarily the received data by routing of the received data through the intermediate data memory at a predetermined speed. 14 . Communication device according to claim 11 , wherein the control device is configured to store temporarily the received data by a temporary storing of the received data in the intermediate data memory for a precisely predetermined time. 15 . Communication device according to claim 11 , wherein the additional data comprise data that were not received via the input (Rx, A). 16 . Communication device according to claim 11 , wherein the additional data comprise data that were generated by the communication device. 17 . Communication device according to claim 11 , wherein the data comprise data packets, each data packet comprising several data units, wherein the control device is configured to store temporarily the received data by a temporary storing of each data unit for a precisely predetermined time. 18 . Communication device according to claim 11 , wherein the additional data are output via the output (Tx, B) if the size of the data area not used by the received data in the intermediate data memory is larger than or equal to the size of a dataset of the additional data. 19 . Communication device according to claim 11 , wherein the control device is configured to store temporarily the additional data in an additional intermediate data memory before the additional data are output via the output (Tx, B). 20 . Communication device according to claim 11 , wherein the communication device is configured to receive further data via a further input (Rx, B) of the communication device, to output the further data received via the further input (Rx, B) via a further output (Tx, A) of the communication device, and to output further additional data via the further output (Tx, A), wherein the control device is configured to: receive the further data via the further input (Rx, B), store temporarily the further data received via the further input (Rx, B) in a further intermediate data memory with a size that is equal to the predetermined size of the intermediate data memory, output the data stored temporarily in the further intermediate data memory via the further output (Tx, A), determine a size of a data area not used by the received further data in the further intermediate data memory, and output the further additional data via the further output (Tx, A) in a manner depending on the size of the data area not used by the further received data in the further intermediate data memory.
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