WO2022070249A1 - 情報処理システム、遅延制御装置、情報処理方法およびプログラム - Google Patents

情報処理システム、遅延制御装置、情報処理方法およびプログラム Download PDF

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Publication number
WO2022070249A1
WO2022070249A1 PCT/JP2020/036867 JP2020036867W WO2022070249A1 WO 2022070249 A1 WO2022070249 A1 WO 2022070249A1 JP 2020036867 W JP2020036867 W JP 2020036867W WO 2022070249 A1 WO2022070249 A1 WO 2022070249A1
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WIPO (PCT)
Prior art keywords
transmission
delay
computer
reception device
user
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2020/036867
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English (en)
French (fr)
Japanese (ja)
Inventor
拓也 大原
拓哉 小田
史一 犬塚
貴章 田中
将之 下田
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NTT Inc
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Nippon Telegraph and Telephone Corp
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Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP2022553255A priority Critical patent/JP7620233B2/ja
Priority to US18/028,389 priority patent/US12500678B2/en
Priority to PCT/JP2020/036867 priority patent/WO2022070249A1/ja
Publication of WO2022070249A1 publication Critical patent/WO2022070249A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/364—Delay profiles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
    • H04B17/104—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof of other parameters, e.g. DC offset, delay or propagation times

Definitions

  • the present invention relates to an information processing system, a delay control device, an information processing method, and a program technology.
  • FIG. 20 is a diagram showing a configuration example in which a computer and a UI device are directly connected in the prior art.
  • the UI device 902 at hand is connected to the extender 904, and is connected to the computer 911 on which the opposite extender 912 is installed via the transmission line 915.
  • the computer 911 and the extender 912 are installed at, for example, the computer base 910.
  • FIG. 21 is a diagram showing an example of connection between a UI device and a computer using an extender in the prior art. Further, in the configuration example using the extender, when there are a plurality of computer bases 910-1 to 910-3 as shown in FIG.
  • the switch 921 is the extender 904 of the user base 900 and the computer bases 910-1 to 910-3. Switch the connection with.
  • FIG. 22 is a diagram showing another example of connection between a UI device and a computer using an extender in the prior art.
  • FIG. 23 is a diagram showing a configuration example of a remote desktop in the prior art.
  • the UI devices (902-1 to 902-3) at the hands (user bases 900-1 to 900-3) of the users (US1 to US3) are connected to the computers (901-1 to 901-3) at hand.
  • the computer is connected to a remote computer (911-1 to 911-3) via a network (915-1 to 915-3) such as the Internet (for example, a computer base 910A).
  • a network 915-1 to 915-3
  • the Internet for example, a computer base 910A
  • an object of the present invention is to provide a technique capable of adjusting the delay between the user interface and the computer when the user interface and the computer are installed at a distant place.
  • One aspect of the present invention includes a computer installed at a computer base, a first transmission / reception device connected to the computer, a second transmission / reception device installed at a user base used by the user, and the second transmission / reception device. It is an information processing system including a connected device and a delay control device that measures a delay amount generated between the first transmission / reception device and the second transmission / reception device and controls the measured delay amount.
  • One aspect of the present invention is between a first transmission / reception device installed at a computer base and connected to a computer and a second transmission / reception device installed at a user base used by the user and connected to the device used by the user. It is a delay control device that measures the delay amount generated in the above and controls the measured delay amount.
  • One aspect of the present invention includes a computer installed at a computer base, a first transmission / reception device connected to the computer, a second transmission / reception device installed at a user base used by a user, and the second transmission / reception device.
  • An information processing method in an information processing system having a connected device and a delay control device measures the amount of delay generated between the first transmission / reception device and the second transmission / reception device. It is an information processing method that controls the measured delay amount.
  • One aspect of the present invention includes a computer installed at a computer base, a first transmission / reception device connected to the computer, a second transmission / reception device installed at a user base used by a user, and the second transmission / reception device.
  • the present invention it is possible to adjust the delay between the user interface and the computer when the user interface and the computer are installed at a remote location.
  • FIG. 1 is a diagram showing an example of the overall configuration of the information processing system according to the present embodiment.
  • the information processing system 1 includes a delay control device 2, a computer base 3 (3-1, 3-2, ..., 3-n (n is an integer of 1 or more)), and a user base 4 (4a-).
  • 1, 4b-1, 4a-2, 4b-2, ..., 4am (m is an integer of 1 or more), 4bm), a first network NW1, and a second network NW2 (network) are provided.
  • one or a plurality of computers 31 and a UI transmission / reception device 32 are installed.
  • a computer 31 31an, 31bn, ...)
  • a UI transmission / reception device 32 32an, 32bn, ...)
  • First transmission / reception device are installed at the computer base 3. Will be done.
  • the computer 31 and the UI transmission / reception device 32 may be integrated.
  • a part of the configuration installed in the computer base 3 is omitted.
  • the configuration installed at the computer base 3 will be described with reference to FIG. 2 and the like.
  • the user base 4 includes a UI device 41 (41a-m, 41b-m, ...), a sensor 42 (42a-m, 42b-m, ...), and a UI transmission / reception device 43 (43a-m, 43b-m, . ) (Second transmitter / receiver) is installed.
  • the information processing system 1 has one or more computer bases 3.
  • the delay control device 2 measures the amount of delay generated between the UI transmission / reception devices (32, 43) and performs delay adjustment control.
  • the delay control device 2 controls the connection relationship between the UI transmission / reception device 43 of the user base 4 and the UI transmission / reception device 32 of the computer base 3.
  • the delay control device 2 is connected to the computer 31 of the computer base 3, the UI transmission / reception device 32, the communication device (not shown) constituting the second network NW2, and the UI transmission / reception device 43 of the user base 4, and the setting information of each device is input. It is possible to check and change the settings.
  • the delay control device 2 is connected to each of the computer base 3, the user base 4, the first network NW1, and the second network NW2 by wire or wirelessly.
  • the delay control device 2 is configured by using a processor such as a CPU (Central Processing Unit) and a memory. All or part of each function of the delay control device 2 may be realized by using hardware such as ASIC (Application Specific Integrated Circuit), PLD (Programmable Logic Device), and FPGA (Field Programmable Gate Array). ..
  • the above program may be recorded on a computer-readable recording medium.
  • Computer-readable recording media include, for example, flexible disks, magneto-optical disks, ROMs, CD-ROMs, portable media such as semiconductor storage devices (for example, SSD: Solid State Drive), hard disks and semiconductor storage built in computer systems. It is a storage device such as a device.
  • the above program may be transmitted over a telecommunication line.
  • the first network NW1 is, for example, the Internet, and includes a communication network. Further, the first network NW1 may have an authentication function. Further, the first network NW1 may include a communication device.
  • the second network NW2 may be a wired network or a wireless network, and the physical topology and the logical topology may be arbitrary, and may be a circuit-switched network or a packet-switched network. Further, the second network NW2 may be provided with a communication device.
  • the computer base 3 is, for example, a data center, a communication building, a server room, or the like.
  • the computer 31 may be a physical computer or a logical computer (virtual computer). In the case of a virtual computer, for example, a CPU, GPU (Graphics Processing Unit), memory, storage, and the like are virtualized. Further, the computer 31 may be a game device.
  • the computer 31 is connected to a server (not shown) of another computer or data center via the first network NW1.
  • the computer 31 is connected to the UI transmission / reception device 32, and user interface information such as a display signal and operation information of the computer 31 is exchanged.
  • Specific examples of the display signal include HDMI (registered trademark, High-Definition Multimedia Interface), DisplayPort, and the like, and the operation information signal includes USB (Universal Serial Bus).
  • examples of the signal obtained by combining the display signal and the operation information include USB4 and Thunderbolt (registered trademark) 3.
  • one user may use a plurality of physical GPUs in cooperation with each other to boost the boost.
  • the UI transmission / reception device 32 receives display signals and operation information, and converts them into a signal format capable of long-distance communication via the second network NW2. Further, the UI transmission / reception device 32 is connected to the UI transmission / reception device 43 of the user base 4 via the second network NW2.
  • the signal formats capable of long-distance communication are, for example, Ethernet (registered trademark) and OTN (Optical Transport Network). A configuration example of the UI transmission / reception device 32 will be described later.
  • the user base 4 is a base where the user US (US1, 7) Performs work, games, and the like, and is, for example, a home, a company, a business rental space, a game center, and the like.
  • the UI device 41 is a device related to a user interface, and is, for example, a display, a keyboard, a mouse, an operation controller (actor), a camera, a VR (virtual reality) headset, an AR (augmented reality) headset, a microphone, a speaker, or the like. be.
  • the UI device 41 may be any device that inputs / outputs the five human senses (tactile sense, visual sense, auditory sense, smell sense, taste sense) to and from the computer 31 in addition to the above.
  • the UI device 41 and the UI transmission / reception device 43 are connected in a signal format such as HDMI, DisplayPort, or USB.
  • the sensor 42 is, for example, a sensor for detecting the movement of the user's hand, face, body, etc., a position sensor, an altitude sensor, a speed sensor, an acceleration sensor, a temperature sensor, a humidity sensor, a pressure sensor, a vibration sensor, an optical sensor, and a sound sensor. , Electric field sensor, magnetic field sensor, etc.
  • the sensor 42 and the UI transmission / reception device 43 are connected in a signal format such as USB.
  • the UI transmission / reception device 43 is connected to the UI transmission / reception device 32 of the computer base 3 via the second network NW2.
  • the second network NW2 is provided with a switching function, and the connection relationship between the UI transmission / reception device 32 of the computer base 3 and the UI transmission / reception device 43 of the user base 4 can be flexibly changed.
  • a plurality of UI signals may be multiplexed on the output of the UI transmission / reception device 43. It is sufficient that at least one of the UI device 41 and the sensor 42 is connected to the UI transmission / reception device 43.
  • connection between the user base 4 and the computer base 3 will be described.
  • two users US1 and US2 are using the computer 31 via the second network NW2.
  • the UI transmission / reception device 43a-1 of the user base 4a-1 and the UI transmission / reception device 32b-1 of the computer base 3-1 are connected via the second network NW2.
  • the UI transmission / reception device 43b-1 of the user base 4b-1 and the UI transmission / reception device 32b-2 of the computer base 3-2 are connected via the second network NW2.
  • the delay control device 2 controls the connection relationship between the UI transmission / reception devices (32, 43).
  • FIG. 2 is a diagram showing a configuration example of a computer base and an example of a second network according to the present embodiment.
  • the computer base 3 (3-1, 3-2) has, for example, at least one computer 31 (31a-1, 31b-1, 31a-2, 31b-2) and at least one computer 31 (31a-1, 31b-1, 31a-2, 31b-2).
  • the UI transmission / reception device 32 (32a-1, 32b-1, 32a-2, 32b-2), the allocation device 33 (33-1, 33-2), and the switching device 34 (34-1, 34-2) is set up.
  • the UI transmission / reception device 43 of each user base 4 is connected to the switching device 34 of the computer base 3 via a transmission line Tm (Tm-11, Tm-12, ..., Tm-21, Tm-22, ).
  • the transmission line Tm may be, for example, a colored IF (interface) based on a wavelength division multiplexing (WDM) signal or a gray IF based on a non-WDM signal.
  • the switching device 34 is also connected to the switching device 34 of another computer base 3 via the transmission line Tm, and the connection relationship between the UI transmission / reception devices (32, 43) can be flexibly changed.
  • the switching device 34 is connected to the allocation device 33 of the same computer base 3, and it is possible to set which computer 31 of the computer base 3 to connect to.
  • the switching device 34 switches the transmission line Tm according to the control of the delay control device 2.
  • the switching device 34 is, for example, an optical switch, an electric switch, or a robot panel switch.
  • the allocation device 33 switches the UI transmission / reception device 32 connected to the UI transmission / reception device 43 of the user base 4 according to the control of the delay control device 2.
  • the allocation device 33 is, for example, an optical switch, an electric switch, or a robot panel switch.
  • the UI transmission / reception device 43a-of the user base 4a-1 like the route Cn11 based on the control of the delay control device 2. 1 is connected to the UI transmission / reception device 32b-1 of the computer base 3-1 via the transmission line Tm-11, the switching device 34-1 of the computer base 3-1 and the allocation device 33-1.
  • the UI transmission / reception device 43b-1 of the user base 4b-1 transmits, as in the route Cn12, based on the control of the delay control device 2.
  • UI transmission / reception of computer base 3-2 via switching device 34-1 of path Tm-12 and computer base 3-1 and switching device 34-2 and allocation device 33-2 of transmission line Tm and computer base 3-2. It is connected to the device 32b-2.
  • the second network NW2 is a network including a circuit-switched function (hereinafter referred to as "circuit-switched network").
  • Circuit-switched networks are, for example, OTN (Optical Transport Network) and SDH (Synchronous Digital Hierarchy).
  • the circuit-switched network includes transmission lines Tm, Tm-11, Tm-12, ..., Tm-21, Tm-22, ..., And the like.
  • UI information is exchanged by a network using an Ethernet switch or a router, so MAC (Media Access Control address) frame switching and IP ((Internet Protocol) packets) can be performed anywhere in the network. Was being switched.
  • MAC Media Access Control address
  • IP Internet Protocol
  • the communication capacity can be occupied by one user and the delay time is constant, the communication between the UI transmission / reception device 32 and the UI transmission / reception device 43 is stable.
  • One user can occupy the communication capacity by allocating a communication time slot by time division multiplexing.
  • the delay time is constant because the assigned time slots are regularly and without delay during switching.
  • the circuit-switched network also includes a packet-switched network that emulates circuit-switched.
  • a packet-switched network that emulates circuit switching bandwidth is secured by giving priority to packets, and switching delay time is stabilized by switching preferentially according to packet priority during switching. Aim for conversion.
  • FIG. 3 is a diagram showing a connection example when three users are using the information processing system.
  • the UI transmission / reception device 43a-1 of the user base 4a-1 is connected to the UI transmission / reception device 32b-1 of the computer base 3-1 as in the path Cn11, and the first user US1 is the computer 31b. I am using -1.
  • the UI transmission / reception device 43b-1 of the user base 4b-1 is connected to the UI transmission / reception device 32a-2 of the computer base 3-2, and the second user US2 uses the computer 31a-2. are doing.
  • the UI transmission / reception device 43a-2 of the user base 4a-2 is connected to the UI transmission / reception device 32b-2 of the computer base 3-2, and the third user US3 uses the computer 31b-2. are doing.
  • the transmission delay of the transmission line Tm (Tm-11, Tm-12, Tm-21) connecting the UI transmission / reception device 43 of the user base 4 of each user and the UI transmission / reception device 32 of the computer base 3 may occur. 2
  • the delay time differs for each user due to the processing delay in the devices constituting the network NW2.
  • FIG. 4 is a diagram showing an example of a delay amount before adjustment and a delay amount after adjustment.
  • the horizontal axis is the user and the vertical axis is the delay amount (for example, (ms)).
  • the delay amount g101 of the first user US1 is the smallest Ta
  • the delay amount g102 of the second user US2 is the largest Tb
  • the third user is the third user.
  • the delay amount g103 of US3 is Tc having a magnitude between Ta and Tb.
  • Delay-sensitive applications are, for example, online gaming, eSports, online stock trading, and the like.
  • online gaming the one with a low delay among the users who are competing is the most advantageous because the user's operation is reflected promptly, and conversely, the one with a large delay reflects the user's operation with a delay. It is disadvantageous because it is done.
  • the delay control device 2 adjusts the delay amount so as to match the largest delay amount, as in the adjusted delay amount state g2 for each user.
  • the delay control device 2 controls the adjustment correction amount g111 of the path of the first user US1 to (Tb-Ta), and adjusts the path of the third user US3.
  • the amount g112 is controlled to (Tb-Tc).
  • FIGS. 5 and 6 are sequence diagrams of an example of a delay amount adjustment processing procedure according to the present embodiment.
  • FIG. 5 in order to simplify the explanation, the case where there are two users will be described.
  • the delay control device 2 controls the switching device 34 and the allocation device 33 of the computer base 3 so as to connect to the UI transmission / reception device 43 of the user base 4 and the UI transmission / reception device 32 of the computer base 3 (step S1).
  • the switching device 34-1 and the allocation device 33-1 of the computer base 3-1 are switched so as to connect the transmission lines to be connected according to the control of the delay control device 2, and the UI transmission / reception device 43a-1 and the UI transmission / reception device 32b-1 is connected (step S2).
  • the switching device 34-2 and the allocation device 33-2 of the computer base 3-2 are switched so as to connect the transmission lines to be connected according to the control of the delay control device 2, and the UI transmission / reception device 43a-2 and the UI transmission / reception device Connect 32b-2 (step S3).
  • the delay control device 2 transmits a delay amount measurement instruction to each UI transmission / reception device (32, 43) (step S4).
  • Each UI transmission / reception device (32, 43) receives the delay amount measurement instruction transmitted by the delay control device 2 (steps S5 to S8).
  • the UI transmission / reception device 43a-2 of the user base 4a-2 and the UI transmission / reception device 32b-2 of the computer base 3-2 are the UI transmission / reception device 43a-2 and the UI transmission / reception device 32b based on the received delay amount measurement instruction.
  • the amount of delay between -2 and -2 is measured (step S9).
  • the delay amount information measured by at least one of the UI transmission / reception device 43a-2 and the UI transmission / reception device 32b-2 is transmitted to the delay control device 2.
  • the delay amount information measured by the UI transmission / reception device 32b-2 is transmitted to the delay control device 2 (step S10).
  • the delay control device 2 receives the delay amount information transmitted by the UI transmission / reception device 32b-2 (step S11).
  • the UI transmission / reception device 43a-1 of the user base 4a-1 and the UI transmission / reception device 32b-1 of the computer base 3-1 are the UI transmission / reception device 43a-1 and the UI transmission / reception device 32b based on the received delay amount measurement instruction.
  • the amount of delay between -1 and -1 is measured (step S12).
  • the delay amount information measured by at least one of the UI transmission / reception device 43a-1 and the UI transmission / reception device 32b-1 is transmitted to the delay control device 2.
  • the delay amount information measured by the UI transmission / reception device 32b-1 is transmitted to the delay control device 2 (step S13).
  • the delay control device 2 receives the delay amount information transmitted by the UI transmission / reception device 32b-1 (step S14).
  • the delay control device 2 compares the received delay amounts and detects the delay amount having the largest delay amount. Subsequently, the delay control device 2 calculates the adjustment delay amount so as to match the maximum detected delay amount (step S15).
  • the delay control device 2 transmits the calculated adjustment delay amount information to each UI transmission / reception device (32, 43) (step S16).
  • the delay control device 2 does not have to transmit the adjustment delay amount information to the UI transmission / reception device (32, 43) whose adjustment delay amount is 0, that is, the UI transmission / reception device (32, 43) which does not adjust the delay amount.
  • Each UI transmission / reception device (32, 43) receives the adjustment delay amount information transmitted by the delay control device 2 (steps S17 to S20).
  • the UI transmission / reception device 43a-2 and the UI transmission / reception device 32b-2 adjust the delay amount based on the received adjustment delay amount information (step S21).
  • the UI transmission / reception device 43a-1 and the UI transmission / reception device 32b-1 adjust the delay amount based on the received adjustment delay amount information (step S22).
  • the UI transmission / reception device (32, 43) may transmit the delay amount adjustment completion information indicating that the delay amount has been adjusted to the delay control device 2.
  • the delays of the users can be made the same and the unfairness can be corrected.
  • a method of adjusting the delay there are a method of adding a delay by the UI transmission / reception device 32 (or 43), a method of adding a delay by the computer 31, a method of adding a delay by the communication device of the second network NW2, and the like.
  • a method of delay adjustment there is also a method of reducing the delay difference by appropriately selecting the route of the second network NW2.
  • the adjustment of the delay amount may be changed, for example, with a momentary interruption of the signal between the UI transmission / reception devices (32, 43), or may be changed without the momentary interruption.
  • the delay control device 2 may measure the delay amount by, for example, ODU Delivery Measurement (ODU DM) defined by OTN. Further, the delay control device 2 may use, for example, a method using a FIFO (First in First out) for adjusting the delay amount.
  • ODU DM ODU Delivery Measurement
  • the delay control device 2 may use, for example, a method using a FIFO (First in First out) for adjusting the delay amount.
  • FIFO First in First out
  • the delay time can be adjusted while the signal is communicated by intentionally increasing or decreasing the clock frequency of the FIFO.
  • the frequency of the read clock is set higher than the frequency of the write clock, the amount of FIFO used gradually decreases, so that the delay time can be shortened.
  • the frequency of the read clock is set lower than the frequency of the write clock, the amount of FIFO used gradually increases, so that the delay time can be lengthened.
  • FIG. 7 is a diagram showing an example of adjusting the delay amount when the number of users increases. Note that FIG. 7 shows a case where the fourth user US4 increases after adjusting the delay amount for the three users of FIG.
  • the horizontal axis is the user and the vertical axis is the delay amount (for example, (for example, ms)).
  • the delay amount g104 of the fourth user US4 is Td larger than Tb.
  • the delay control device 2 adjusts the delay amounts of the first user US1, the second user US2, and the third user US3 again, as in the adjusted delay amount state g4 for each user. Adjust to match the Td of the largest delay amount g104. As a result, in the present embodiment, the delay amount of the fourth user US4 who participated later is readjusted, so that it is fair.
  • the delay control device 2 controls the adjustment correction amount g111'of the route of the first user US1 to (Td- (Tb-Ta)), and the adjustment correction amount g113 of the route of the second user US2. Is controlled to (Td- (Tb)), and the adjustment correction amount g112'of the path of the third user US3 is controlled to (Td- (Tb-Tc)).
  • the user can continue gaming without being aware that the delay amount has been adjusted by adjusting the delay without momentary interruption of the signal. Can be done.
  • FIG. 8 is a diagram showing an example of adjusting the delay amount when the number of users decreases.
  • FIG. 8 is an example of a state (g5) in which the number of users is reduced to two by removing the second user US2 and the fourth user US4 from the state of four users (g4) in FIG. 7. ..
  • the delay amount state g4 for each user after adjustment the delay amount state g5 for each user before adjusting the delay amount after user decrease, and the delay amount state g6 for each user after adjusting the delay amount after user decrease.
  • the horizontal axis is the user
  • the vertical axis is the delay amount (for example, (ms)).
  • an extra delay amount (overcorrected delay amount) for the first user US1 and the third user US3, such as the delay amount state g5 for each user before adjusting the delay amount after the user decrease. ) Is added to the match.
  • the delay control device 2 removes this extra delay when the number of users decreases, as in the delay amount state g6 for each user after adjusting the delay amount after the user decreases, and the delay amount is larger among the two users. Adjust to match the delay amount of the third user US3.
  • the delay control device 2 controls the adjustment correction amount g111'' of the path of the first user US1 from (Td- (Tb-Ta)) to (Tc-Ta), and the third user US3
  • the correction delay amount of the path of is controlled to return to 0.
  • FIG. 9 is a flow chart showing an example of a delay amount adjustment process when the number of users according to the present embodiment changes.
  • the delay control device 2 transmits a delay amount measurement instruction to each UI transmission / reception device (32, 43) (step S101).
  • the delay control device 2 receives the delay amount information transmitted by each UI transmission / reception device (32, 43) (step S102).
  • the delay control device 2 detects the maximum value of the delay amount from the received delay amount information (step S103). The delay control device 2 compares each detected delay amount with each delay amount to calculate the adjustment delay amount (step S104). The delay control device 2 transmits the calculated adjustment delay amount to each UI transmission / reception device (32, 43) (step S105).
  • the delay control device 2 detects whether or not the number of participants has changed (step S106).
  • the delay control device 2 may detect a change in the number of participants by detecting, for example, that the user has logged in by operating the UI device 41.
  • the delay control device 2 proceeds to the process of step S107.
  • the delay control device 2 determines that the number of participants has not been changed (step S106; NO)
  • the delay control device 2 ends the process.
  • the delay control device 2 determines whether the number of participants has increased or decreased (step S107). When the delay control device 2 determines that the number of participants has decreased (step S107; decrease), the delay control device 2 returns to the process of step S103. When the delay control device 2 determines that the number of participants has increased (step S107; increase), the delay control device 2 proceeds to the process of step S108.
  • the delay control device 2 transmits a delay amount measurement instruction to the UI transmission / reception device 43 of the user base 4 and the UI transmission / reception device 32 of the computer base 3 used by the increased number of users (step S108).
  • the delay control device 2 receives the delay amount information transmitted by the UI transmission / reception devices (32, 43) (step S109).
  • processing procedure in FIG. 9 is an example, and is not limited to this.
  • the number of participants may be changed by interrupt processing.
  • the UI device 41 and the sensor 42 of the user base 4 are connected to the computer 31 of the computer base 3 via the second network NW2 by the above-described configuration and processing. Further, in the present embodiment, the delay amount between the UI device 41 or the sensor 42 and the computer 31 is adjusted. Further, in the present embodiment, when the number of participants increases or decreases in the middle of a game, eSports, or the like, the delay amount is adjusted.
  • non-uniformity of delay for each user due to conditions such as transmission lines can be adjusted. It is possible to have equal delay conditions. As a result, according to the present embodiment, it is possible to perform an operation suitable for implementing a delay-sensitive application used by a plurality of users.
  • the delay control device 2 is a computer.
  • the delay on the network side may be set for each user so as to cancel the processing delay difference.
  • the processing delay difference of the computer can be offset.
  • the delay control device 2 may intentionally set different delays in order to provide a handicap when there is a large difference in skills of a plurality of users. Thereby, according to the present embodiment, a handicap can be provided.
  • FIG. 10 is a diagram showing an example of the configuration of the UI transmission / reception device according to the present embodiment.
  • the UI transmission / reception device 32 of the computer base 3 is, for example, a monitoring control unit 301, at least one UI input / output unit 302 (302a, ...) Or a sensor input / output unit 307 (307a, ...), At least 1.
  • It includes one compression / decompression unit 303 (303a, 303b, ...), At least one mapping / demapping unit 304 (304a, 304b, ...), a multiplexing / separation unit 305, a transmission / reception unit 306, and a delay measurement unit 308.
  • the delay measuring unit 308 may be located between the mapping / demapping unit 304 and the multiplexing / separating unit 305.
  • the configuration shown in FIG. 10 is an example and is not limited to this.
  • the UI transmission / reception device 43 of the user base 4 is, for example, a monitoring control unit 401, at least one UI input / output unit 402 (402a, ...) Or a sensor input / output unit 407 (407a, ...), And at least one compression / decompression. It includes a unit 403 (403a, 403b, ...), At least one mapping / demapping unit 404 (404a, 304b, ...), a multiplexing / separating unit 405, a transmission / reception unit 406, and a delay measuring unit 408.
  • the delay measuring unit 408 may be located between the mapping / demapping unit 404 and the multiplexing / separating unit 405. In FIG. 10, a part of the configuration of the UI transmission / reception device 43 is omitted.
  • the monitoring control unit 301 is connected to the delay control device 2 by a wired or wireless line
  • the transmission / reception unit 306 is connected to the allocation device 33
  • the UI input / output unit 302 and the sensor input / output unit 307 are connected. It is connected to the computer 31.
  • the monitoring control unit 401 is connected to the delay control device 2 by a wired or wireless line
  • the transmission / reception unit 406 is connected to the transmission line Tm
  • the UI input / output unit 402a is connected to the UI device 41.
  • the sensor input / output unit 407a is connected to the sensor 42.
  • the arrangement of the transmission / reception unit 406 and the multiplexing / separation unit 405 may be reversed.
  • the monitoring control unit 301 is connected to each unit of the UI transmission / reception device 32, and monitors the state of each unit and changes the settings.
  • the monitoring control unit 301 is connected to the delay control device 2 to change the connection relationship of the UI transmission / reception device 32, monitor the connection state with the computer 31, and set the operation.
  • the monitoring control unit 401 is connected to each unit of the UI transmission / reception device 43, and monitors the state of each unit and changes the settings.
  • the monitoring control unit 401 is connected to the delay control device 2 to change the connection relationship of the UI transmission / reception device 43, monitor the status of the UI device 41, and set the operation.
  • the monitoring control unit 301 (401) acquires the delay amount measured by the delay measuring unit 308 (408). At least one of the monitoring control unit 301 and the monitoring control unit 401 outputs the acquired delay amount information indicating the delay amount to the delay control device 2.
  • the UI input / output unit 302a is connected to the UI signal from the computer 31 in the case of the computer base 3.
  • the UI signal is, for example, HDMI, DisplayPort, USB, Thunderbolt, Bluetooth®, analog audio, and digital audio signals.
  • the UI input / output unit 302a is connected to the compression / decompression unit 303a.
  • the UI input / output unit 402a is connected to the UI device 41.
  • the UI input / output unit 402a is connected to the compression / decompression unit 403a.
  • the sensor input / output unit 307a is connected to the UI signal from the computer 31.
  • the sensor input / output unit 307a is connected to the compression / decompression unit 303b.
  • the sensor input / output unit 407a is connected to the sensor 42.
  • the sensor input / output unit 407 is connected to the compression / decompression unit 403b.
  • the compression / decompression unit 303 compresses or decompresses the capacity of the compressible UI signal according to the control of the monitoring control unit 301. Specific examples include HDMI of display signals and compression of DisplayPort signals. Examples of compression methods include DSC (Display Stream Compression) and VDC-M (VESA Display Compression for) defined by VESA (Video Electronics Standards Association). Mobile), MPEG (Moving Picture Experts Group), etc.
  • the compression / decompression unit 303 may be omitted. Further, the compression / decompression unit 303 may change the compression method or the decompression method according to the state of the transmission line Tm. For example, the latency of the compression / decompression unit 303 increases as the compression rate increases. Therefore, the compression / decompression unit 303 uses, for example, a compression method of no compression or a high compression rate in order to realize low latency.
  • the compression / decompression unit 303 is connected to the mapping / demapping unit 304.
  • the compression / decompression unit 403 performs the reverse processing of the compression / decompression unit 303 according to the control of the monitoring control unit 401.
  • the compression / decompression unit 403 is connected to the mapping / demapping unit 404.
  • the mapping / demapping unit 304 converts the UI signal into a signal form capable of long-distance transmission according to the control of the monitoring control unit 301.
  • the signal form is, for example, OTN defined by ITU-T.
  • the mapping / demapping unit 304 is connected to the multiplexing / separating unit 305.
  • the mapping / demapping unit 404 converts the UI signal into a signal form capable of long-distance transmission according to the control of the monitoring control unit 401.
  • the mapping / demapping unit 404 is connected to the multiplexing / separating unit 405.
  • the multiplexing / separating unit 305 multiplexes and separates a plurality of signals according to the control of the monitoring control unit 301.
  • OTN Optical Data Unit
  • the multiplexing / separating unit 305 multiplexes a plurality of ODU (Optical Data Unit) signals output from the mapping / demapping unit 304 and multiplexes them into a larger capacity ODU. do.
  • the multiplexing / separating unit 305 is connected to the delay measuring unit 308.
  • the multiplexing / separating unit 405 performs the reverse processing of the multiplexing / separating unit 305 according to the control of the monitoring control unit 401.
  • the multiplexing / separating unit 405 is connected to the delay measuring unit 308 (408).
  • the delay measurement unit 308 (408) measures the delay between the delay measurement unit and the delay measurement unit of the opposite UI transmission / reception device.
  • the delay measurement method is, for example, ODU Delay Measurement (ODU DM) defined by OTN. Further, the delay measuring unit 308 (408) adds a delay as needed.
  • the delay measuring unit 308 (408) is connected to the transmitting / receiving unit 306 (406).
  • the delay measuring unit 308 (408) may be located between the mapping / demapping unit 304 (404) and the multiplexing / separating unit 305 (405). In that case, it is possible to adjust the delay independently for each UI signal or sensor signal.
  • the transmission / reception unit 306 transmits / receives a signal to be transmitted to the second network NW2 according to the control of the monitoring control unit 301.
  • the transmission / reception unit 306 transmits / receives an OTU (Optical-channel Transport. Unit) signal.
  • the transmission / reception unit 306 is connected to the second network NW2 and is connected to the UI transmission / reception device 43 of the user base 4 via the allocation device 33, the switching device 34, and the transmission line Tm.
  • the information capacity to be transmitted and received is, for example, OTU0LL, OTU1, OTU2, OTU2e, OTU3, OTU4, OTUCn, GbE (Gigabit Ethernet), 2.5GbE, 5GbE, 10GbE, 25GbE, 50GbE, 100GbE, 400GbE and the like.
  • the transmission / reception unit 306 may change the capacity according to the state of the transmission line Tm.
  • the transmission / reception unit 406 transmits / receives information to / from the computer base 3 via the transmission line Tm under the control of the monitoring control unit 401.
  • the delay control device 2 acquires the delay amount information from the plurality of UI transmission / reception devices 32 (or 43).
  • the delay amount is the delay time between the UI transmission / reception device 32 and the UI transmission / reception device 43.
  • the delay amount may be measured by being controlled by the computer 31 of the computer base 3.
  • FIG. 11 is a diagram showing a specific first configuration example of the information processing system.
  • a graphic board including GPU 321) is mounted on the computer 31A installed in the computer base 3A, and DisplayPort is output as a video signal.
  • the graphic board may be equipped with a plurality of terminals, and for example, as shown in FIG. 11, two DisplayPort signal lines 351 and 352 may be used at the same time.
  • a plurality of graphic boards may be mounted on one computer, and a plurality of terminals may be used by one user or a plurality of users.
  • the computer 31A exchanges operation information and the like with a USB (for example, USB2.0 or USB3.2) terminal via signal lines 353 and 354.
  • USB for example, USB2.0 or USB3.2
  • the UI transmission / reception device 32A of the computer base 3A and the UI transmission / reception device 43A of the user base 4A are connected to, for example, the I / O (input / output port) 311 of the QSFP28 standard via the transmission line TmA.
  • the function of the UI transmitter / receiver 32A is implemented in, for example, an ASIC (Application Specific Integrated Circuit) or an FPGA (Field Programmable Gate Array).
  • FIG. 11 shows an example in which an FPGA is used in the UI transmission / reception device 32A to accommodate and multiplex various signals in the OTN.
  • the signal transmitted from the UI transmission / reception device 32A is transmitted through the optical fiber transmission line TmA and sent to the UI transmission / reception device 43A of the user base 4A.
  • the transmission line TmA may be bidirectional with one core or bidirectional with two cores. Further, the transmission line may be different depending on the transmission direction.
  • the downlink transmission line is a passive optical network PON (Passive Optical Network)
  • the uplink is a transmission line of a 4th generation communication standard or a 5th generation communication standard. You may.
  • the UI transmission / reception device 43A restores the original signal by the reverse processing of the transmission side.
  • the restored signals here DisplayPort 451 and 452, USB3.0 (413), and USB2.0 (414) signals are output from the UI transmission / reception device 43A, and are output from the UI transmission / reception device 43A to display device 411, display device 412, external device 413, and input device. Connected to 414.
  • Examples of the external device 413 which is a USB device and the input device 414 which is a USB device include input / output devices such as a keyboard, a mouse, and a gaming controller, a large-capacity storage device, an audio interface, a camera, and various sensors.
  • the device connected to the UI transmission / reception device 43A is not limited to this. Also in the following configuration example, the device connected to the UI transmission / reception device at the user base is not limited to this.
  • Comp is an abbreviation for Compression
  • MAP is an abbreviation for Mapping
  • MUX is an abbreviation for Multiplexing
  • Encrip is an abbreviation for Encryption
  • FEC is an abbreviation. It is an abbreviation for Forward Error Correction.
  • the FPGA implements the OTN function as shown in the implementation example g11. Various things can be considered for the resolution, refresh rate, and color depth of the video signal.
  • This signal is compressed by the compression / decompression unit (Comp) 303 (303a, 303b) as needed.
  • the compression is performed by, for example, VESA DSC.
  • VESA DSC When VESA DSC is used, 3: 1 compression is performed and the bit rate can be reduced to about 8.7 (Gbps).
  • compression is not performed, there is an advantage of low latency because the compression process does not take time, but on the other hand, the transfer capacity becomes large.
  • the latency is higher than in the case of non-compression because the compression process takes time, but on the other hand, there is an advantage that the transfer capacity can be reduced.
  • the bit rate of the image is, for example, 1.67 (Gbps) in the case of 1080p 240 (Hz) DSC and 8.61 (Gbps) in the case of 4K 120 (Hz) 24 (bpp) DSC.
  • the case of 8K 60 (Hz) 24 (bpp) is 49.65 (Gbps).
  • the DisplayPort signal is accommodated in the ODU frame by the mapping function of OTN (MAP363-366).
  • the mapping / demapping unit 304 has a mapping function.
  • mapping for example, BMP (Bit-synchronous Mapping Procedure), AMP (Asynchronous Mapping Procedure), and GMP (Generic Mapping Procedure) defined by OTN can be applied.
  • the signal accommodated in the ODU is multiplexed in the upper ODU frame by the multiplexing function (MUX367) of the OTN.
  • the multiplexing function MUX367
  • the size of the tributary slot of ODU4 is 1.302 (GBps), so that the tributary slot is 20 tributary slots, that is, ODTU4.20. It is possible to multiplex.
  • the multiplex step of MAP363 to 365 and MUX367 is ODUflex (371 to 373)
  • the multiplex step of MAP366 and MUX367 is ODU0 (374).
  • the multiplex step of MUX367 and Encryp368, the multiplex step of Encryp368 and FEC369, and the multiplex step of FEC377 and I / O311 of the QSFP28 standard are ODU4 (375, 376, 377).
  • the Encrip 368 performs encryption processing.
  • FEC369 performs erroneous correction code processing.
  • USB3.0 signal a USB3.0 signal and a USB2.0 signal are shown.
  • the bit rate of the USB3.0 signal is 5 (Gbps), and the bit rate of the USB2.0 signal is 480 (Mbps).
  • the USB signals are first accommodated in the ODU frame by the mapping function of the OTN, and then multiplexed in the required number of tributary slots in the upper ODU frame.
  • the USB3.0 signal can be multiplexed in 4 tributary slots
  • the USB2.0 signal can be multiplexed in 1 tributary slot.
  • An example of the usage status of the tributary slot of ODU4 is shown in the area surrounded by the reference numeral g12 in FIG. As long as the tributary slot is free, it is possible to multiplex signals other than those shown here. After being multiplexed, it is encrypted as necessary, and then an error correction code (FEC) is added to the ODU, and the signal is output from the UI transmitter / receiver as an OTU4 signal.
  • FEC error correction code
  • To send and receive OTU4 signals from the UI transmitter / receiver 32A for example, a QSFP28 standard 100G optical module or an electric cable (DAC; Direct Attachment Cable) having a QSFP28 connector at both ends can be used.
  • FIG. 12 is a diagram showing a specific second configuration example of the information processing system.
  • the signal line 355 of the computer 31B (31B-1, 31B-2) of the computer base 3B is a signal line for transmitting a Thunderbolt 3 standard signal.
  • the computer 31B and the UI transmission / reception device 32B are connected by this signal line 355.
  • the Thunderbolt 3 is a signal in which a video signal, a USB signal, and the like are multiplexed, both the video signal and the USB signal can be transmitted and received only by transferring the Thunderbolt 3.
  • the Thunderbolt 3 signal is accommodated in the ODU frame, then multiplexed with the upper ODU, and transmitted from the UI transmission / reception device 32B to the user base 4B.
  • the UI transmission / reception device 32B is connected to a plurality of computers 31B (31B-1, 31B-2), and signals from those computers 31B may be multiplexed and transmitted.
  • the transmission line TmB between the computer base 3B and the user base 4B is, for example, OUT4 or OTL4.4.
  • the UI transmission / reception device 43B of the user base 4B is connected to the Thunderbolt 3 dock 44B (44B-1, 44B-2).
  • Thunderbolt 3 dock44B separates the multiplexed signal.
  • the Thunderbolt 3 dock44B has one or more display devices 411 (411-1, 411-2), 412 (412-1, 412-2), and external devices 413 (413-1, 413-1, USB 3.0 devices). 413-2), an input device 414 (414-1, 414-2) such as a keyboard and a mouse is connected.
  • FIG. 13 is a diagram showing a specific third configuration example of the information processing system.
  • two DisplayPort signals are input / output from the computer 31C of the computer base 3C via the signal lines 351 and 352, and one USB 2.0 signal is input / output via the signal line 354. Will be done.
  • These signals are input to the UI transmission / reception device 32C.
  • the case where the video signal is 1080p, 60 (fps), 24 (bpp) is shown. In that case, the bit rate of the video signal is about 3.2 (Gbps).
  • USB 2.0 is 480 (Mbps).
  • Each ODU signal is multiplexed with a higher ODU.
  • the ODU2 signal is used as the upper ODU.
  • the capacity of the tributary slot of ODU2 is 1.249 (GBs), and the ODU to which each signal is mapped is multiplexed with the required number of tributary slots as in the region surrounded by the reference numeral g32 in FIG.
  • the housed ODU of DisplayPort is multiplexed into 3 tributary slots, i.e., ODTU2.3.
  • the housed ODU of USB 2.0 is multiplexed in one tributary slot, that is, ODTU 2.1.
  • the UI transmission / reception device 32C encrypts the ODU2 signal as necessary, assigns an error correction code, and then uses 10 (GBps) as the OTU2 signal, for example, called SFP +. It is transmitted from the optical module 311C of.
  • the transmission line TmC between the computer base 3C and the user base 4C is, for example, OTU2 (LR).
  • the transmission line TmC may be bidirectional with one core or bidirectional with two cores.
  • the original signal is restored by the reverse processing of the transmission side.
  • the restored signal in this case the DisplayPort 451 and 452, and the USB 2.0 (454) signal, is output from the UI transmission / reception device 43C and is connected to the display device 411, 412 or the USB 2.0 device such as the input device 414. ..
  • FIG. 14 is a diagram showing a specific fourth configuration example of the information processing system.
  • a plurality of computers 31D 31D-1, 31D-2, 31D-3, ...)
  • a plurality of UI transmission / reception devices 32D 32D-1, 32D-2, 32D-3, ...) are located in the computer base 3D. ) Is installed.
  • the performances of the graphic boards GPU321D (321D-1, 321D-2, 321D-3) of the three computers 31D-1, 31D-2, and 31D-3 are different.
  • GPU321D-1 is a high-performance graphic board
  • GPU321D-2 is a medium-performance graphic board
  • GPU321D-3 is a low-performance graphic board.
  • each computer 31D is connected to the UI transmission / reception device 32D.
  • An optical switch 35D (switch) is connected to the output of the UI transmitter / receiver 32D.
  • the optical switch is, for example, a robot patch panel that changes the connection relationship of the optical connector by operating the robot arm.
  • the optical switch is connected to each transmission line TmD (TmD-1, TmD-2, TmD-3, ...), And is a UI transmitter / receiver for the user base 4D (4D-1, 4D-2, 4D-3, ). It is connected to 43D (43D-1, 43D-2, 43D-3, ).
  • the transmission line TmD is, for example, OTU4 or OTL4.4 (LR4).
  • the UI transmission / reception device 43D of the user base 4D is connected to a display device, a USB 3.0 device, for example, an external device, or a USB 2.0 device, for example, an input device, as in the first to third embodiments. There is.
  • connection relationship between the UI transmission / reception device 32D and the UI transmission / reception device 43D is changed by the optical switch 35D according to the control of the delay control device 2. This makes it possible to select the computer 31D to be used.
  • connection relationship between the UI transmission / reception device 32D and the UI transmission / reception device 43D is established by an optical switch according to the control of the delay control device 2. By changing it, it becomes possible to use an appropriate computer 31D.
  • FIG. 15 is a diagram showing a specific fifth configuration example of the information processing system.
  • the switch 35E is, for example, a DP (display), a USB switch, or the like, and is controlled and switched by the delay control device 2.
  • the optical switch 35D shown in FIG. 14 of the fourth embodiment may be a Thunderbolt 3 switch 35F (switch) as shown in FIG.
  • FIG. 16 is a diagram showing a specific sixth configuration example of the information processing system.
  • the computer 31F 31Fa-1, 31Fb-1, 31Fa-2, 31Fb-2, 31Fa-3, 31Fb-3, ...)
  • the UI transmitter / receiver 32F 32F-1, 32F) of the computer base 3F ) -2, 32F-3, ...)
  • a Thunderbolt 3 switch 35F is provided.
  • the output port 356 of the computer 31F is, for example, USB Type-C
  • the computer 31F and the Thunderbolt 3 switch 35F are connected by a Thunderbolt 3 standard signal line 355 or the like.
  • the computer 31F-1 (31Fa-1, 31Fb-1) is a high-performance graphic board
  • the computer 31F-2 (31Fa-2, 31Fb-2) is a medium-performance graphic board
  • the computer 31F-3 (31Fa-3, 31Fb-3) is a low-performance graphic board.
  • Each port of the UI transmission / reception device 43F (43F-1, 43F-2, 43F-3, ...) has a signal line 456. It is connected to the Thunderbolt 3 dock 44F (44Fa-1, 44Fb-1, 44Fa-2, 44Fb-2, 44Fa-3, 44Fb-3, ).
  • the Thunderbolt 3 dock 44F switching control is performed by the delay control device 2. Further, the configurations of the user bases 4F-1, 4F-2, and 4F-3 may be the same or different.
  • FIG. 17 is a specific seventh configuration example of the information processing system, and is a diagram showing an example in which a plurality of computer bases are connected to each other.
  • the computer base 3G- which is directly connected to the user base 4D-1 by the transmission line. A case where all the computers 31G having the performance required by the user are used by another user and there is no space, or a case where such a computer 31G is not installed will be described.
  • the computer 31G having the desired performance by the user is installed at the computer base 3G-2 and can be used.
  • the signal from the UI transmission / reception device 43D-1 of the user base 4D-1 is directly connected via the transmission line TmD-1 like the chain line of the path Cn21 according to the control of the delay control device 2. It is connected to the optical switch 35G-1 of the computer base 3G-1.
  • a signal is sent to the optical transmission device 36Ga-1 for communicating with the computer base 3G-2 in which the computer 31G having the desired performance is installed.
  • optical multiplexing is performed by the optical multiplexing device 37G-1 as needed, and a signal reaches the computer base 3G-2.
  • signals are separated by the optical multiplexing device 37G-2, the separated signals are input to the optical transmission device 36Ga-2, and the UI transmission / reception device 32G-2 and the UI transmission / reception device 32G-2 are transmitted via the optical fiber switch 35G-2. Be connected.
  • the port of the optical transmission device 36G (36Ga-1, 36Gb-1, 36Ga-2, 36Gb-2) connected to the optical switch 35G (35G-1, 35G-2) (switch) is, for example, a QSFP28 standard port. be.
  • the port of the optical transmission device 36G (36Ga-1, 36Gb-1, 36Ga-2, 36Gb-2) connected to the optical multiplexing device 37G (37G-1, 37G-2) is, for example, of the QSFP56-DD standard. It is a port.
  • the optical switch 35G (35G-1, 35G-2) is, for example, an optical fiber switch, a robot patch panel, or the like.
  • the computer bases 3G are connected to each other by a transmission line TmG.
  • the transmission line TmG is, for example, an optical fiber cable for transmitting a 400G-ZR (DWDM) or OTU4 standard signal.
  • FIG. 18 is a specific eighth configuration example of the information processing system, and is a diagram showing another connection example connecting adjacent computer bases.
  • the computer bases 3H (3H-1, 3H-2) are connected by a transmission medium 5H such as a multi-core optical fiber or a multi-core fiber.
  • the transmission medium 5H enables connection between the UI transmission / reception device 43D-1 of the user base 4D-1 and the UI transmission / reception device 32H-2 of the computer base 3H-2, for example.
  • the transmission medium 5H may be a multi-way path.
  • FIG. 19 is a specific ninth configuration example of the information processing system, and is a diagram showing another connection example connecting adjacent computer bases.
  • the UI transmission / reception device 43J (43J-1, 43J-2) of the user base 4J (4J-1, 4J-2) is provided with a WDM interface.
  • the signal from the UI transmission / reception device 43J is an optical switch of the computer base 3J-1 to which the user base 4J-1 is directly connected via the transmission line TmD (TmD-1, TmD-2). Reach 35J-1.
  • the optical switch 35J (35-J, 35J-2) (switch) may be an optical switch, a robot patch switch, or the like. It is switched by the optical switch 35J-1 and input to the optical multiplexing device 37J-1 or ROADM (Reconfigurable Optical Add Drop Multiplexer) for transmission to the adjacent computer base 3J-2, and transmitted to the adjacent computer base 3J-2. Will be done.
  • the transmitted signal is separated by the optical multiplexing device 37J-2 or ROADM and connected to the desired UI transmission / reception device 32J-2 via the optical fiber switch 35J-2.
  • the UI transmission / reception device 32J (32J-1, 32J-2) of the computer base 3J (3J-1, 3J-2) is connected to the optical switch 35J via, for example, the CFP2 port 312.
  • the UI transmission / reception device 43J of the user base 4J is connected to the transmission line TmD (TmD-1, TmD-2) via, for example, the CFP2 port 457.
  • the transmission line TmJ is, for example, an optical fiber cable for transmitting an OTU4 (WDM) standard signal.
  • the present invention can be applied to, for example, a gaming system, an eSports system, a remote desktop system, a computer rental system, and the like.
  • 1 Information processing system, 2 ... Delay control device, 3 ... Computer base, 4 ... User base, 31 ... Computer, 32 ... UI transmission / output device, 33 ... Assignment device, 34 ... Switching device, 35, 35E, 35F, 35G, 35H, 35J ... switch, 36 ... optical transmission device, 37 ... optical multiplexing device, 41 ... UI device, 42 ... sensor, 43 ... UI transmission / reception device, 44 ... Thunderbolt 3 dock, 301 ... monitoring control unit, 302 ... UI input / output Unit, 303 ... compression / decompression unit, 304 ... mapping / demapping unit, 305 ... multiplexing / separation unit, 306 ...
  • transmission / reception unit 307 ... sensor input / output unit, 308 ... delay measurement unit, 321 ... GPU, 401 ... monitoring control Unit, 402 ... UI input / output unit, 403 ... compression / decompression unit, 404 ... mapping / demapping unit, 405 ... multiplexing / separation unit, 406 ... transmission / reception unit, 407 ... sensor input / output unit, 408 ... delay measurement unit, NW1 ... 1st network, NW2 ... 2nd network, Tm ... Transmission line

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