Packet communication system, packet communication method, transmission apparatus, and storage medium having stored therein computer program

A packet communication system comprising a transmission apparatus that establishes a connection to a communication network to transmit a packet;

• and
• a reception apparatus that establishes a connection to the communication network to receive the packet, wherein
• the transmission apparatus comprises:
• means for calculating, based on transmission quality information about transmission quality which is returned in response to the transmitted packet, timing at which delay is smallest in a packet transmission interval and/or timing at which a loss rate is lowest in the packet transmission interval;
• transmission start time setting means for setting a packet transmission start time with the calculated timing;
• and
• means for starting packet transmission at the packet transmission start time.

A packet communication system comprising:

• a transmission apparatus that establishes a connection to a communication network to transmit a packet;
• and
• a traffic load density detecting apparatus that establishes a connection to the communication network to transmit and receive a load density detection packet for detecting traffic load density, thereby detecting the traffic load density, wherein
• the transmission apparatus comprises:
• means for receiving from the traffic load density detecting apparatus transmission quality information which includes timing at which delay is smallest based on the detected load density and/or timing at which a loss rate is lowest based on the detected load density;
• transmission start time setting means for setting a packet transmission start time with the received timing;
• and
• means for starting packet transmission at the packet transmission start time.

A packet communication system comprising:

• a transmission apparatus that establishes a connection to a communication network to transmit a packet, wherein
• the transmission apparatus comprises a processor capable of performing the steps of:
• generating a random number;
• setting a packet transmission interval based on the generated random number;
• and
• transmitting the packet in the packet transmission interval.

A packet communication system comprising:

• a transmission apparatus that establishes a connection to a communication network to transmit a packet;
• and
• a reception apparatus that establishes a connection to the communication network to receive the packet, wherein
• the transmission apparatus comprises a processor capable of performing the steps of:
• calculating, based on transmission quality information about transmission quality which is returned in response to the transmitted packet, timing at which delay is smallest in a packet transmission interval and/or timing at which a loss rate is lowest in the packet transmission interval;
• setting a packet transmission start time with the calculated timing;
• and
• starting packet transmission at the packet transmission start time.

A packet communication system comprising:

• a transmission apparatus that establishes a connection to a communication network to transmit a packet;
• and
• a traffic load density detecting apparatus that establishes a connection to the communication network to transmit and receive a load density detection packet for detecting traffic load density, thereby detecting the traffic load density, wherein
• the transmission apparatus comprises a processor capable of performing the steps of:
• receiving from the traffic load density detecting apparatus transmission quality information which includes timing at which delay is smallest based on the detected load density and/or timing at which a loss rate is lowest based on the detected load density;
• setting a packet transmission start time with the received timing;
• and
• starting packet transmission at the packet transmission start time.

A packet communication method using a transmission apparatus that establishes a connection to a communication network to transmit a packet, the method comprising the steps of:

• generating a random number;
• setting a packet transmission interval based on the generated random number;
• and
• transmitting the packet in the packet transmission interval.

A packet communication method using a transmission apparatus that establishes a connection to a communication network to transmit a packet, and a reception apparatus that establishes a connection to the communication network to receive the packet, the method comprising the steps of:

• calculating, based on transmission quality information about transmission quality which is returned in response to the transmitted packet, timing at which delay is smallest in a packet transmission interval and/or timing at which a loss rate is lowest in the packet transmission interval;
• setting a packet transmission start time with the calculated timing;
• and
• starting packet transmission at the packet transmission start time.

A transmission apparatus that establishes a connection to a communication network to transmit a packet, the transmission apparatus comprising:

• random number generating means for generating a random number;
• and
• interval setting means for setting a packet transmission interval based on the generated random number, wherein
• the packet is transmitted in the packet transmission interval.

A transmission apparatus that establishes a connection to a communication network to transmit a packet, the transmission apparatus comprising:

• means for calculating, based on transmission quality information about transmission quality which is returned in response to the transmitted packet, timing at which delay is smallest in a packet transmission interval and/or timing at which a loss rate is lowest in the packet transmission interval;
• transmission start time setting means for setting a packet transmission start time with the calculated timing;
• and
• means for starting packet transmission at the packet transmission start time.

A transmission apparatus that establishes a connection to a communication network to transmit a packet, the transmission apparatus comprising a processor capable of performing the steps of:

• generating a random number;
• setting a packet transmission interval based on the generated random number;
• and
• transmitting the packet in the packet transmission interval.

A transmission apparatus that establishes a connection to a communication network to transmit a packet, the transmission apparatus comprising a processor capable of performing the steps of:

• calculating, based on transmission quality information about transmission quality which is returned in response to the transmitted packet, timing at which delay is smallest in a packet transmission interval and/or timing at which a loss rate is lowest in the packet transmission interval;
• setting a packet transmission start time with the calculated timing;
• and
• starting packet transmission at the packet transmission start time.

A computer memory product storing a computer program which is executed by a transmission apparatus that establishes a connection to a communication network to transmit a packet, wherein

• the computer program comprises the steps of:
• causing a computer to generate a random number;
• causing the computer to set a packet transmission interval based on the generated random number, and
• causing the computer to transmit the packet in the packet transmission interval.

A computer memory product storing a computer program which is executed by a transmission apparatus that establishes a connection to a communication network to transmit a packet, wherein

• the computer program comprises the steps of:
• causing a computer to calculate, based on transmission quality information about transmission quality which is returned in response to the transmitted packet, timing at which delay is smallest in a packet transmission interval and/or timing at which a loss rate is lowest in the packet transmission interval;
• causing the computer to set a packet transmission start time with the calculated timing;
• and
• causing the computer to start packet transmission at the packet transmission start time.