In-vehicle apparatus, information processing unit, information processing method, and non-transitory computer readable storage medium that stores program

1. An in-vehicle apparatus comprising a processor configured to:

obtain first transmission data, a first designation of a transport protocol, and a first designation communication address, and second transmission data, a second designation of the transport protocol, and a second designation communication address from one or more applications;

transmit the first transmission data to the first designation communication address through a relay unit at a first timing among a plurality of timings set at an interval of a predetermined cycle corresponding to a buffer size of the relay unit to which the in-vehicle apparatus is connected;

transmit the second transmission data to the second designation communication address through the relay unit at a second timing among the plurality of timings, the second timing being different from the first timing; and

set a maximum data size for the first transmission data and the second transmission data,

wherein a communication bandwidth of the relay unit allocated to the first transmission data and the second transmission data is determined based on the predetermined cycle and the maximum data size, and

wherein the processor is configured to

transmit the first transmission data to be transmitted at the first timing while limiting the first transmission data to be transmitted to the maximum data size when a classification of the first transmission data is a classification of data which are aperiodically obtained by the processor, and

transmit the first transmission data to be transmitted at the first timing without limiting the first transmission data to be transmitted to the maximum data size when the classification of the first transmission data is a classification of data which are periodically obtained by the processor.

2. The in-vehicle apparatus according to claim 1 , wherein the processor is configured to obtain the first transmission data and the second transmission data within the predetermined cycle.

3. The in-vehicle apparatus according to claim 1 , wherein the processor is configured to obtain the first transmission data from a first application, and obtain the second transmission data from a second application.

4. The in-vehicle apparatus according to claim 1 , wherein the processor is configured to

transmit the data to be transmitted at the first timing while limiting the data to be transmitted to the maximum data size, and

transmit untransmitted data among a plurality of data included in the first transmission data at a third timing among the timings which is different from the first timing and the second timing.

5. The in-vehicle apparatus according to claim 1 , wherein the processor is configured to

transmit the first transmission data at the first timing when the first transmission data are data which are preferentially relayed by the relay unit, and

transmit the first transmission data at a timing which does not depend on the plurality of timings when the first transmission data are data which are not preferentially relayed by the relay unit.

6. An information processing unit comprising a processor configured to:

obtain first transmission data, a first designation of a transport protocol, and a first designation communication address, and second transmission data, a second designation of the transport protocol, and a second designation communication address from one or more applications;

transmit the first transmission data to the first designation communication address through a relay unit at a first timing among a plurality of timings set at an interval of a predetermined cycle corresponding to a buffer size of the relay unit to which the information processing unit is connected;

transmit the second transmission data to the second designation communication address through the relay unit at a second timing among the plurality of timings, the second timing being different from the first timing; and set a maximum data size for the first transmission data and the second transmission data,

wherein a communication bandwidth of the relay unit allocated to the first transmission data and the second transmission data is determined based on the predetermined cycle and the maximum data size, and

wherein the processor is configured to

transmit the first transmission data to be transmitted at the first timing while limiting the first transmission data to be transmitted to the maximum data size when a classification of the first transmission data is a classification of data which are aperiodically obtained by the processor, and

transmit the first transmission data to be transmitted at the first timing without limiting the first transmission data to be transmitted to the maximum data size when the classification of the first transmission data is a classification of data which are periodically obtained by the processor.

7. An information processing method comprising:

causing an information processing unit to obtain first transmission data, a first designation of a transport protocol, and a first designation communication address, and second transmission data, a second designation of the transport protocol, and a second designation communication address from one or more applications; and

causing the information processing unit to transmit the first transmission data to the first designation communication address through a relay unit at a first timing among a plurality of timings set at an interval of a predetermined cycle corresponding to a buffer size of the relay unit to which the information processing unit is connected, transmit the second transmission data to the second designation communication address through the relay unit at a second timing among the plurality of timings, the second timing being different from the first timing, and

set a maximum data size for the first transmission data and the second transmission data,

wherein a communication bandwidth of the relay unit allocated to the first transmission data and the second transmission data is determined based on the predetermined cycle and the maximum data size, and

wherein the method further comprising causing the information processing unit to

transmit the first transmission data to be transmitted at the first timing while limiting the first transmission data to be transmitted to the maximum data size when a classification of the first transmission data is a classification of data which are aperiodically obtained by the information processing unit, and

transmit the first transmission data to be transmitted at the first timing without limiting the first transmission data to be transmitted to the maximum data size when the classification of the first transmission data is a classification of data which are periodically obtained by the information processing unit.

8. A non-transitory computer-readable storage medium storing a program causing a computer to perform processes,

wherein the program causes an information processing unit to perform obtaining first transmission data, a first designation of a transport protocol, and a first designation communication address, and second transmission data, a second designation of a transport protocol, and a second designation communication address from one or more applications,

transmitting the first transmission data to the first designation communication address through a relay unit at a first timing among a plurality of timings set at an interval of a predetermined cycle corresponding to a buffer size of the relay unit to which the information processing unit is connected,

transmitting the second transmission data to the second designation communication address through the relay unit at a second timing among the plurality of timings, the second timing being different from the first timing, and setting a maximum data size for the first transmission data and the second transmission data,

wherein a communication bandwidth of the relay unit allocated to the first transmission data and the second transmission data is determined based on the predetermined cycle and the maximum data size, and

wherein the program further causes the information processing unit to perform

transmitting the first transmission data to be transmitted at the first timing while limiting the first transmission data to be transmitted to the maximum data size when a classification of the first transmission data is a classification of data which are aperiodically obtained by the information processing unit, and

transmitting the first transmission data to be transmitted at the first timing without limiting the first transmission data to be transmitted to the maximum data size when the classification of the first transmission data is a classification of data which are periodically obtained by the information processing unit.

9. The in-vehicle apparatus according to claim 1 , wherein there are a plurality of in-vehicle apparatuses and a relay unit which relays communications between the in-vehicle apparatuses.