WO2021140573A1 - 上り帯域割り当て装置及び上り帯域割り当て方法 - Google Patents

上り帯域割り当て装置及び上り帯域割り当て方法 Download PDF

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Publication number
WO2021140573A1
WO2021140573A1 PCT/JP2020/000194 JP2020000194W WO2021140573A1 WO 2021140573 A1 WO2021140573 A1 WO 2021140573A1 JP 2020000194 W JP2020000194 W JP 2020000194W WO 2021140573 A1 WO2021140573 A1 WO 2021140573A1
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WO
WIPO (PCT)
Prior art keywords
onu
band
delay
bandwidth
information
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Ceased
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PCT/JP2020/000194
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English (en)
French (fr)
Japanese (ja)
Inventor
阿部　拓也
智彦 池田
聖 成川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
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 US17/786,308 priority Critical patent/US12149287B2/en
Priority to PCT/JP2020/000194 priority patent/WO2021140573A1/ja
Priority to JP2021569636A priority patent/JPWO2021140573A1/ja
Publication of WO2021140573A1 publication Critical patent/WO2021140573A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/44—Star or tree networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0064—Arbitration, scheduling or medium access control aspects

Definitions

  • the present disclosure relates to an apparatus and a method for allocating an uplink band to an optical network unit (ONU: Optical Network Unit) of an optical subscriber line system (PON: Passive Optical Network).
  • ONU Optical Network Unit
  • PON Passive Optical Network
  • FIG. 1 is a diagram illustrating a communication system 400.
  • the user's terminal device 11 can start using the Internet service via the PON 40.
  • the PON 40 has a configuration in which the ONU 20 and the optical subscriber line terminal device (OLT: Optical Line Thermal) 30 are connected by an optical transmission line (optical subscriber line section) 25.
  • ONT optical subscriber line terminal device
  • the user's terminal device 11 is connected to the ONU 20, it is connected to the network 50 via the PON 40, and the service 70 on the network can be used.
  • the PON is provided with a dynamic bandwidth allocation (DBA) function (see, for example, Non-Patent Document 1).
  • the DBA function notifies the OLT of the amount of data stored in the ONU in a REPORT frame, calculates the uplink band in the OLT, and notifies the ONU of the transmission amount and the transmission start time from the OLT in a GATE frame.
  • the DBA function determines the bandwidth after the data is accumulated in the ONU, a waiting time (delay) occurs until the data is transmitted.
  • some terminal applications have strict delay requirements.
  • the DBA function does not have a function of dynamically setting the bandwidth and delay based on the application information of the user terminal, and there is a problem that it is difficult for the PON to allocate the bandwidth according to the application.
  • an object of the present invention is to provide an uplink band allocation device and an uplink band allocation method that can set the uplink band of the PON according to the application in order to solve the above-mentioned problems.
  • the uplink bandwidth allocation device acquires application information of a user terminal, and calculates with an AP information acquisition server for dynamically allocating bandwidth and delay according to the acquired information.
  • an AP information acquisition server for dynamically allocating bandwidth and delay according to the acquired information.
  • the uplink band allocation device is an uplink band allocation device for an optical subscriber line system. It has an application information acquisition server and a calculation unit.
  • ONU Optical Network Unit
  • ONT optical subscriber line end station device
  • the application information acquisition server calculates the bandwidth delay information of the bandwidth requested by the application and the allowable delay, and calculates the bandwidth delay information.
  • the calculation unit calculates the band and delay of each ONU based on the amount of data accumulated by the ONU and the band delay information from the application information acquisition server, and based on the band and the delay in the OLT. It is characterized in that each of the ONUs is allowed to perform band notification and transmission permission.
  • the uplink band allocation method is Acquiring application information about an application from a terminal device connected to the ONU, To calculate the bandwidth delay information of the bandwidth required by the application and the allowable delay when the application information is acquired. Calculate the band and delay of each ONU based on the amount of data accumulated by the ONU and the band delay information, and band notification and transmission permission from the OLT to each ONU based on the band and the delay. It is characterized by performing.
  • the uplink band allocation device and method according to the present invention collect not only the amount of data stored in the ONU but also application information (application information) used in the terminal device. Then, the uplink band allocation device and method according to the present invention reflect the band and delay information (bandwidth delay information) requested by the application, which is calculated by the application information acquisition server from the application information, in the DBA performed by the OLT.
  • application information application information
  • the uplink band allocation device and method according to the present invention reflect the band and delay information (bandwidth delay information) requested by the application, which is calculated by the application information acquisition server from the application information, in the DBA performed by the OLT.
  • the present invention can provide an uplink band allocation device and an uplink band allocation method that can set the uplink band of the PON according to the application.
  • the calculation unit of the uplink band allocation device sets the allocated bandwidth allocated to the ONU as the accumulated amount of uplink data stored in the buffer of the ONU, and said. It is characterized in that the frequency of transmission permission is made higher than the frequency of the transmission permission when the application information does not include a specific signal.
  • the application information acquisition server of the uplink band allocation device does not calculate the band delay information and does not output it to the calculation unit when the notified application information does not include a specific signal.
  • the calculation unit calculates the band of each ONU based on the amount of data accumulated by the ONU, and causes the OLT to perform band notification and transmission permission to each ONU based on the band. To do.
  • the uplink band allocation device realizes that the OLT acquires the data amount and that the band notification and the transmission permission are performed by the MPCP (Multi Point Control Protocol) of IEEE802.3ah. It is characterized by.
  • MPCP Multi Point Control Protocol
  • the allocated band allocated to the ONU is set as the accumulated amount of uplink data stored in the buffer of the ONU, and the transmission is permitted.
  • the frequency of the above is higher than the frequency of the transmission permission when the application information does not include a specific signal.
  • the uplink band allocation method is When the application information does not include a specific signal, or when the application information cannot be acquired, the band delay information is not calculated, and the ONU of each of the ONUs is based on the amount of data accumulated by the ONU. The band is calculated, and band notification and transmission permission are given to each ONU based on the band.
  • the uplink band allocation method according to the present invention is It is characterized in that the OLT acquires the data amount and the OLT performs the band notification and the transmission permission by the MPCP (Multi Point Protocol) of IEEE802.3ah.
  • MPCP Multi Point Protocol
  • the present invention can provide an uplink band allocation device and an uplink band allocation method that can set the uplink band of PON according to an application.
  • FIG. 2 is a diagram illustrating the uplink band allocation device 301 of the present embodiment.
  • the uplink band allocation device 301 is incorporated in the communication system 400 as shown in FIG. That is, the uplink band allocation device 301 includes an application information acquisition server (AP information acquisition server) 60 and a calculation unit 33.
  • AP information acquisition server application information acquisition server
  • the AP information acquisition server 60 calculates the bandwidth delay information of the bandwidth required by the application and the allowable delay, and the bandwidth delay The information is output to the calculation unit 33.
  • the AP information acquisition server 60 may be inside the OLT 30 or outside the OLT 30.
  • the calculation unit 33 calculates the band and delay of each ONU 200 based on the amount of data accumulated by the ONU 20 and the band delay information from the AP information acquisition server 60, and the OLT 30 calculates each ONU 20 based on the band and the delay. Allow bandwidth notification and transmission permission.
  • the AP information acquisition server 60 acquires AP information from the terminal device 11.
  • the AP information is, for example, the prototype of the terminal device, the port number, and the traffic information.
  • the AP information acquisition server 60 acquires AP information by inquiring from the ONU 20 to the terminal device 11 or by notifying the ONU 20 from the terminal device 11.
  • the AP information acquisition server 60 determines the optimum bandwidth and delay (bandwidth delay information) for the application based on the AP information. Then, the band delay information is reflected in the DBA control of the OLT 30.
  • the OLT 30 performs bandwidth calculation and bandwidth allocation from the information obtained in the REPORT frame from the ONU 20 (DBA control).
  • DBA control can be implemented with the MPCP of IEEE802.3ah.
  • the OLT 30 uses the bandwidth delay information from the AP information acquisition server 60 for DBA control in addition to the REPORT frame, so that the bandwidth can be calculated according to the application. Further, the OLT 30 can also perform frame transmission frequency control (delay control) for each ONU, which has not been performed conventionally.
  • the optical subscriber line system (PON) 40 includes an ONU 20, an optical subscriber line section 25, and an OLT 30.
  • the ONU 20 is physically connected to the OLT 30 via the optical subscriber line section 25.
  • the identification unit 21 is, for example, an LLID (Logical Link Identifier).
  • LLID Logical Link Identifier
  • FIG. 3 is a diagram illustrating the configuration of the OLT 30.
  • the OLT 30 includes a terminal device optical signal accommodating unit 31, a terminal device management control function unit (CONT: CONtrol) 32, a calculation unit 33, and a terminal device network connection unit 34.
  • the terminal station device optical signal accommodating unit 31 is connected to the terminal station device network connection unit 34.
  • the ONU 20 is connected to the terminal station device optical signal accommodating unit 31 via the optical subscriber line section 25.
  • the terminal device network connection unit 34 connects to the AP information acquisition server 60 and the Internet service server 70 via the network 50. That is, the ONU 20 uses the service of the Internet service server 70 via the terminal device optical signal accommodating unit 31, the terminal device network connection unit 34, and the network 50.
  • the calculation unit 33 acquires the amount of data accumulated by the ONU 20 described in the Report frame received from the ONU 20 via the optical signal accommodating unit 31 of the terminal device.
  • the calculation unit 33 calculates the band and delay of the ONU 20 based on the amount of data, and notifies the CONT 32.
  • the CONT 32 allocates the upstream band of each ONU 20 and controls the delay via the optical signal accommodating unit 31 of the terminal device.
  • the CONT 32 exchanges an instruction system including band allocation with the ONU 20.
  • the band allocation path to the OLT 30 may be connected to any of the identification unit 21, the ONU 20, and the terminal device 11.
  • the uplink band allocation device 301 includes an AP information acquisition server 60 and a calculation unit 33. Further, the uplink band allocation device 301 may include an operation management unit 55.
  • the AP information acquisition server 60 connects to the OLT 30 via the network 50. Further, the AP information acquisition server 60 connects to the CONT 32 via the operation management unit 55 and the calculation unit 33.
  • the ONU 20 acquires the AP information of the terminal device 11
  • the AP information is transmitted via the identification unit 21, the optical subscriber line section 25, the terminal device optical signal accommodating unit 31, the terminal device network connection unit 34, and the network 50.
  • the AP information acquisition server 60 is notified.
  • the operation management unit 55 may instruct the CONT 32 to set the logical path for notifying the AP information from the ONU 20 to the AP information acquisition server 60 in the PON 40.
  • FIG. 4 is a flowchart illustrating an uplink band allocation method performed by the uplink band allocation device 301. Further, FIG. 5 is a sequence diagram illustrating the operation of the communication system 400 including the uplink band allocation device 301.
  • step S51 of FIG. The terminal device 11 notifies the identification unit 21 of AP information when requested by the ONU 20 after being connected to the ONU 20 or at the time of polling. Further, the terminal device 11 may notify the identification unit 21 of the AP information without waiting for the request of the ONU 20.
  • a specific example of step S51 is as follows. (1) ONU side It is assumed that the ONU 20 constantly acquires the protocol information flowing through the PON 40 and the terminal device 11. At this time, the ONU 20 uses the time when a new putrocol is detected as compared with the normal time as a trigger for requesting AP information.
  • the device that constantly acquires the protocol information flowing through the PON 40 and the terminal device 11 is not limited to the ONU 20, but may be a relay device such as an HGW (home gateway) that connects the ONU 20 and the terminal device 11.
  • HGW home gateway
  • the ONU 20 is notified of AP information by using a new protocol as a trigger.
  • the ONU 20 determines whether or not AP information (predetermined protocol or port number) has been acquired from the terminal device 11 when transmitting the stored data amount to the OLT 30 in a report frame (step S01) (step). S02).
  • AP information predetermined protocol or port number
  • the ONU 20 transmits the AP information to the AP information acquisition server 60 via the OLT 30 (step S03).
  • the AP information acquisition server 60 receives the AP information (step S04) and determines whether the AP information includes a specific signal (for example, VoIP, RTP puttocotor, and a specific port number) (step S05).
  • a specific signal for example, VoIP, RTP puttocotor, and a specific port number
  • the AP information acquisition server 60 calculates the bandwidth required by the application and the allowable delay (bandwidth delay information) (step S06). Bandwidth delay information is notified from the AP information acquisition server 60 to the calculation unit 33 (step S07).
  • the calculation unit 33 calculates the bandwidth and the delay based on the bandwidth delay information received from the AP information acquisition server 60 and the Report frame from the ONU 20 (step S08).
  • the calculation unit 33 notifies the CONT 32 of the calculated band and delay (step S09). Based on the notification result, the CONT 32 instructs the identification unit 21 of the ONU 20 to indicate the band and the delay (step S10), and the identification unit 21 reallocates the band and the delay (step S11).
  • the terminal device 11 starts using the application with a new band and delay (step S12).
  • the OLT 30 controls the delay at a frequency of granting transmission permission. That is, the transmission waiting time is adjusted by the frequency of giving the transmission permission, and the delay is controlled.
  • the ONU 20 does not acquire the AP information (“No” in step S02), and when the AP information received by the AP information acquisition server 60 does not include the specific signal (“No” in step S05). "),
  • the flow is the same as the normal DBA flow. That is, the ONU 20 does not transmit the AP information to the AP information acquisition server 60, and the AP information acquisition server 60 does not notify the bandwidth delay information to the calculation unit.
  • the calculation unit 33 determines the band based on the report frame from the ONU 20 (step S21).
  • the calculation unit 33 notifies the CONT 32 of the calculated band (step S22).
  • the CONT 32 instructs the identification unit 21 of the ONU 20 of the band based on the notification result (step S23), and the identification unit 21 reallocates the band (step S24).
  • the terminal device 11 starts using the application with a new band and delay (step S12).
  • FIG. 6 is a diagram illustrating a DBA algorithm disclosed in Non-Patent Document 1.
  • the accumulated amount of the entire uplink buffer 61 of the ONU 20 is defined as the accumulated data amount # 1.
  • the accumulated data amount # 2 is defined as the boundary of the data frame that is equal to or less than the preset threshold value ⁇ and is closest to the threshold value ⁇ .
  • the ONU 20 describes the values of both the accumulated data amounts # 1 and # 2 in the Report frame and transmits the values.
  • the OLT 30 selects one of the two values as the allocated bandwidth, as in the following conditions. (1) If the number of ONUs during communication is larger than the predetermined value, the allocated bandwidth is set to the accumulated data amount # 2. (2) Other than the above (1), the allocated bandwidth is set as the accumulated data amount # 1.
  • the uplink band allocation device 301 adds the following algorithm to the above algorithm.
  • the calculation unit 33 sets the allocated band allocated to the ONU 20 as the accumulated amount of uplink data stored in the buffer of the ONU 20, and sets the frequency of transmission permission to the AP information including the specific signal. More than the frequency of permission to send if not.
  • the AP information acquisition server 60 detects a specific signal (VoIP or RTP protocol) from the AP information (port or protocol information)
  • the AP information acquisition server 60 instructs the calculation unit 33 to raise the rank of the allocated bandwidth and the transmission permission frequency. .. Specifically, both of the following operations are performed.
  • the allocated band is set as the accumulated data amount # 1.
  • the uplink band allocation device 301 is a device that can be added to the currently installed PON, and can acquire application information of the terminal device 11 and dynamically allocate the PON band and delay according to the acquired information. ..
  • the uplink band allocation device 301 can provide network resources according to the application (e-sports, video) of the terminal device 11.
  • Terminal device 20 ONU 21: Identification unit 25: Optical subscriber line section 30: OLT 31: Terminal device optical signal accommodating unit 32: Terminal device management control function unit (CONT) 33: Calculation unit 34: Terminal device network connection unit 40: PON 50: Network 55: Operation management unit 60: AP information acquisition server 70: Internet service server 301: Upstream bandwidth allocation device 400: Communication system

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Small-Scale Networks (AREA)
PCT/JP2020/000194 2020-01-07 2020-01-07 上り帯域割り当て装置及び上り帯域割り当て方法 Ceased WO2021140573A1 (ja)

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US17/786,308 US12149287B2 (en) 2020-01-07 2020-01-07 Upbandwidth allocation device and uplink bandwidth allocation method
PCT/JP2020/000194 WO2021140573A1 (ja) 2020-01-07 2020-01-07 上り帯域割り当て装置及び上り帯域割り当て方法
JP2021569636A JPWO2021140573A1 (https=) 2020-01-07 2020-01-07

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Families Citing this family (1)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003289333A (ja) * 2002-03-28 2003-10-10 Mitsubishi Electric Corp 光加入者線終端装置及びユーザトラヒック収容方法
JP2014086902A (ja) * 2012-10-24 2014-05-12 Mitsubishi Electric Corp 子局装置、親局装置、制御装置、光通信システムおよび帯域割当制御方法
JP2015033051A (ja) * 2013-08-05 2015-02-16 住友電気工業株式会社 動的帯域割当方法、局側装置、コンピュータプログラム及びｐｏｎシステム
WO2015162782A1 (ja) * 2014-04-25 2015-10-29 三菱電機株式会社 局側装置、および、ｐｏｎシステム
WO2018147285A1 (ja) * 2017-02-10 2018-08-16 日本電信電話株式会社 帯域割当装置及び帯域割当方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3992967B2 (ja) * 2001-12-05 2007-10-17 三菱電機株式会社 パケット通信システム及びパケット通信方法
US7739437B2 (en) * 2005-01-31 2010-06-15 Panasonic Corporation Access arbiter and arbitrable condition verification device
US7693429B1 (en) * 2009-04-13 2010-04-06 Ofidium Pty., Ltd. Optical OFDM transmission with improved efficiency
DE112009005313B4 (de) * 2009-10-13 2016-07-21 Mitsubishi Electric Corporation Drahtlose Fahrzeugkommunikationsvorrichtung und drahtloses Fahrzeugkommunikationssystem
KR101310906B1 (ko) * 2009-11-30 2013-09-25 한국전자통신연구원 동적 대역폭 할당을 위한 장치 및 방법
US10637902B2 (en) * 2014-01-16 2020-04-28 Dominic M. Kotab System, method, and computer program product for the directing and distributing of media content
JP6219809B2 (ja) * 2014-12-09 2017-10-25 日本電信電話株式会社 帯域割当装置、帯域割当方法および帯域割当プログラム
WO2017113336A1 (zh) * 2015-12-31 2017-07-06 华为技术有限公司 动态带宽的分配方法、装置和无源光网络系统
JP6901237B2 (ja) 2016-05-18 2021-07-14 日本電信電話株式会社 通信装置、通信方法及び通信プログラム
GB201704185D0 (en) * 2017-03-16 2017-05-03 Provost Fellows Found Scholars And The Other Members Of Board Of The College Of The Holy And Undivid System and method for dynamic bandwidth assignment (DBA) Virtualization in a multi-tenant passive optical network
CN113839707B (zh) * 2020-06-23 2024-11-05 中兴通讯股份有限公司 一种认证方法、装置、设备及存储介质
US11792049B2 (en) * 2021-03-15 2023-10-17 Phasorlab, Inc. Positioning using synthesized wideband channel estimation and synchronized receivers
US12463992B2 (en) * 2022-07-14 2025-11-04 Comcast Cable Communications, Llc Data collection management

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003289333A (ja) * 2002-03-28 2003-10-10 Mitsubishi Electric Corp 光加入者線終端装置及びユーザトラヒック収容方法
JP2014086902A (ja) * 2012-10-24 2014-05-12 Mitsubishi Electric Corp 子局装置、親局装置、制御装置、光通信システムおよび帯域割当制御方法
JP2015033051A (ja) * 2013-08-05 2015-02-16 住友電気工業株式会社 動的帯域割当方法、局側装置、コンピュータプログラム及びｐｏｎシステム
WO2015162782A1 (ja) * 2014-04-25 2015-10-29 三菱電機株式会社 局側装置、および、ｐｏｎシステム
WO2018147285A1 (ja) * 2017-02-10 2018-08-16 日本電信電話株式会社 帯域割当装置及び帯域割当方法

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