Optical communication device, optical access system and optical communication method
An optical communication device that communicates with another optical communication device using at least a time division multiplexing method, the optical communication device includes: a band request unit that requests a band for transmitting a management control signal used for management and control; and a transmitting unit that transmits the management control signal as a burst signal using a band assigned to be able to transmit data having a data length or more obtained based on a transmission rate of the management control signal, a transmission rate of a main signal, and a data length of the management control signal.
1 . An optical communication device that communicates with another optical communication device using at least a time division multiplexing method, the optical communication device comprising:
a processor; and
a storage medium having computer program instructions stored thereon, when executed by the processor, perform to:
request a band for transmitting a AMCC signal used for management and control; and generate the AMCC signal; and
a transmitter configured to transmit the AMCC signal as a burst signal using a band assigned to be able to transmit data having a data length or more obtained based on a transmission rate of the AMCC signal, a transmission rate of a main signal, and a data length of the AMCC signal.
2 . The optical communication device according to claim 1 , wherein the computer program instructions further perform to:
calculate a converted data length based on a following formula ( 1 ) using AMCC signal transmission rate indicating the transmission rate of the AMCC signal, the transmission rate of the main signal, and AMCC signal data length indicating the data length of the AMCC; and
compare the data length of the converted data length with a data length of the main signal accumulated in a buffer, and
generates a report frame including an assigned amount of a band required for transmitting the AMCC signal as longer of the converted data length or the data length of the main signal
Formula
(
1
)
Converted
data
length
=
AMCC
signal
data
length
[
byte
]
×
8
AMCC
signal
transmission
rate
[
bit
/
s
]
×
main
signal
transmission
rate
[
bit
/
x
]
.
3 . An optical communication device that communicates with another optical communication device using at least a time division multiplexing method, the optical communication device comprising:
a processor; and
a storage medium having computer program instructions stored thereon, when executed by the processor, perform to:
calculate a converted data length based on a following formula ( 1 ) using AMCC signal transmission rate indicating a transmission rate of an AMCC signal used for management and control, main signal transmission rate indicating a transmission rate of a main signal, and AMCC signal data length indicating a data length of the AMCC signal notified from the another optical communication device;
compare the data length of the converted data length with a data length of the main signal accumulated in a buffer of the other optical communication device; and
determine a band to be assigned to the other optical communication device according to a comparison result of the comparator, and transmits a gate frame including information of an assigned amount of the determined band to the other optical communication device
Formula
(
1
)
Converted
data
length
=
AMCC
signal
data
length
[
byte
]
×
8
AMCC
signal
transmission
rate
[
bit
/
s
]
×
main
signal
transmission
rate
[
bit
/
x
]
.
4 . An optical access system that performs communication between a first optical communication device and a second optical communication device using at least a time division multiplexing method, wherein
the first optical communication device includes
a processor; and
a storage medium having computer program instructions stored thereon, when executed by the processor, perform to:
request a band for transmitting a AMCC signal used for management and control, and generate the AMCC signal; and
a transmitter configured to transmit the AMCC signal as a burst signal using a band assigned to be able to transmit data having a data length or more obtained based on a transmission rate of the AMCC signal, a transmission rate of a main signal, and a data length of the AMCC signal generated by the AMCC signal generation unit, and
the second optical communication device includes
a processor; and
a storage medium having computer program instructions stored thereon, when executed by the processor, perform to assign a band requested by the first optical communication device.
5 . The optical access system according to claim 4 , further comprising:
a third optical communication device positioned in a network different from networks of the first optical communication device and the second optical communication device, wherein
the third optical communication device includes
a receiver configured to receive the burst signal transmitted from the first optical communication device,
a processor; and
a storage medium having computer program instructions stored thereon, when executed by the processor, perform to signal included in the burst signal received by the receiver.
6 . The optical access system according to claim 5 , wherein the computer program instructions of the second optical communication device further perform to
calculate a converted data length based on a following formula ( 1 ) using AMCC signal transmission rate indicating the transmission rate of the AMCC signal, the transmission rate of the main signal, and AMCC signal data length indicating the data length of the AMCC signal, and
compare the data length of the converted data length with a data length of the main signal accumulated in a buffer of the first optical communication device, and
determines a band to be assigned to the first optical communication device according to a comparison result of the comparator, and transmits a gate frame including information of an assigned amount of the determined band to the first optical communication device
Formula
(
1
)
Converted
data
length
=
AMCC
signal
data
length
[
byte
]
×
8
AMCC
signal
transmission
rate
[
bit
/
s
]
×
main
signal
transmission
rate
[
bit
/
x
]
.
7 . The optical access system according to claim 6 , wherein the computer program instructions of the third optical communication device further perform to notify the second optical communication device of at least information on the data length of the AMCC signal via another line, and
calculates the converted data length based on the formula ( 1 ) using by using information on the data length of the AMCC signal.