TERMINAL, SYSTEM AND METHOD FOR MEASURING NETWORK STATE USING THE SAME
First Claim
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1. A system of measuring a network state comprising:
- a transmission terminal that transmits exploration packets; and
a reception terminal that receives the exploration packets to measure an One-way Trip Time (OTT) of each of the exploration packets, and calculates queuing delay using an average value of the measured OTTs and a minimum value of the measured OTTs.
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Abstract
Provided are a terminal and a system and method of measuring a network state using the terminal. The system of measuring the network state according to an embodiment of the present disclosure includes a transmission terminal that transmits exploration packets, and a reception terminal that receives the exploration packets to measure an One-way Trip Time (OTT) of each of the exploration packets and calculates queuing delay using an average value of the measured OTTs and a minimum value of the measured OTTs.
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Citations
39 Claims
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1. A system of measuring a network state comprising:
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a transmission terminal that transmits exploration packets; and a reception terminal that receives the exploration packets to measure an One-way Trip Time (OTT) of each of the exploration packets, and calculates queuing delay using an average value of the measured OTTs and a minimum value of the measured OTTs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A terminal comprising:
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a data transmission unit that transmits a data packet to an external terminal; an exploration packet transmission unit that transmits an exploration packet in which a validity authentication field is added, to the external terminal; and a transfer rate control unit that controls a data packet transfer rate of the data transmission unit in accordance with a network state measurement variable received from the external terminal, wherein the exploration packet transmission unit compares a difference between a current time of the point of transmission of the exploration packet to a transmission socket and a timestamp value of the exploration packet with a predetermined first reference time (T1) to thereby set a validity authentication value, and records the set validity authentication value in a validity authentication field of a next exploration packet. - View Dependent Claims (13, 14)
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15. A terminal comprising:
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an exploration packet reception unit that receives exploration packets, and measures an OTT using the received exploration packets; and a queuing delay calculation unit that obtains an average value of the OTTs transmitted from the exploration packet reception unit, and calculates queuing delay using the average value of the OTTs and a minimum value of the OTTs transmitted from the exploration packet reception unit. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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23. A terminal comprising:
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an exploration packet reception unit that receives exploration packets, and measures an OTT using the received exploration packets; and a queuing delay calculation unit that calculates queuing delay using the OTT, wherein the exploration packet reception unit determines whether a timestamp value of an exploration packet received prior to the exploration packet is valid in accordance with a validity authentication value recorded in a validity authentication field of the received exploration packet, and measures the OTT using the timestamp value determined to be valid.
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24. A terminal comprising:
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an exploration packet reception unit that receives exploration packets, and measures an OTT using the received exploration packets; and a queuing delay calculation unit that calculates queuing delay using the OTT, wherein the exploration packet reception unit compares a difference between a reception time of a previous exploration packet and a reception time of a current exploration packet with a predetermined second reference time (T2) to thereby determine whether to measure an OTT of the current exploration packet. - View Dependent Claims (25, 26, 27)
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28. A method of measuring a network state, comprising:
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transmitting, by a transmission terminal, exploration packets; receiving, by a reception terminal, the exploration packets to measure an OTT; and obtaining, by the reception terminal, an average value of the OTTs and calculating queuing delay using the average value of the OTTs and a minimum value of the OTTs. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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Specification