WO2019201025A1 - Procédé et appareil permettant de traiter des informations de configuration de port olt, et support de stockage - Google Patents

Procédé et appareil permettant de traiter des informations de configuration de port olt, et support de stockage Download PDF

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Publication number
WO2019201025A1
WO2019201025A1 PCT/CN2019/077211 CN2019077211W WO2019201025A1 WO 2019201025 A1 WO2019201025 A1 WO 2019201025A1 CN 2019077211 W CN2019077211 W CN 2019077211W WO 2019201025 A1 WO2019201025 A1 WO 2019201025A1
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WIPO (PCT)
Prior art keywords
port
onu
olt
information
rate
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PCT/CN2019/077211
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English (en)
Chinese (zh)
Inventor
许煜芝
杨巧顺
顾晓冬
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中兴通讯股份有限公司
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Publication of WO2019201025A1 publication Critical patent/WO2019201025A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
    • H04L41/0816—Configuration setting characterised by the conditions triggering a change of settings the condition being an adaptation, e.g. in response to network events
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • 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
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • 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
    • H04Q2011/0079—Operation or maintenance aspects

Definitions

  • the present disclosure relates to the field of communications, and in particular, to a method, an apparatus, a storage medium, and an electronic device for processing configuration information of an OLT port.
  • the FTTX is the mainstream technology for fixed network access.
  • the FTTX system is mainly composed of OLT (light line terminal,
  • the Optical Line Terminal is composed of two devices: the OLT device is placed in the office room, and the ONU device is placed on the user side. The OLT and the ONU are connected by optical fibers. Hundreds to thousands of ONU devices.
  • the expansion of the upper-layer device leads to an increase in traffic bursts (the upper-layer devices burst at a rate of 10G). Due to the cost or the impact of different models of different vendors, the ONU cache cannot fully satisfy various scenarios, thus causing traffic bursts. When the size is large, the ONU cache is insufficient, which causes packet loss and affects the user experience.
  • the most direct way is to replace the ONU device or upgrade the ONU firmware version to meet the traffic burst demand, but limited by the cost and other pressure, the ONU can not guarantee that all traffic burst scenarios can be met, and the ONU There are many models, and it is not practical to upgrade the ONU version on a large scale.
  • the embodiments of the present disclosure provide a method, a device, a storage medium, and an electronic device for processing configuration information of an OLT port, so as to solve at least the problem that the ONU existing in the related art cannot guarantee a scenario in which various traffic bursts are satisfied.
  • a method for processing configuration information of an OLT port including: acquiring information of a first port in the ONU sent by a fiber network unit ONU; determining an optical fiber line terminal OLT and the a second port corresponding to the first port, where the second port is a logical port; and the configuration information of the second port is processed according to the information of the first port.
  • a method for processing configuration information of an OLT port including: transmitting information of a first port in an ONU to an OLT, where information of the first port is used to indicate The OLT determines a second port corresponding to the first port in the OLT, and processes configuration information of the second port according to the information of the first port, where the second port is a logical port.
  • a processing apparatus for configuration information of an OLT port including: an acquiring module, configured to acquire information of a first port in the ONU sent by a fiber network unit ONU; a second port corresponding to the first port in the optical fiber line terminal OLT, wherein the second port is a logical port, and the processing module is configured to use the information according to the first port to the second port
  • the configuration information of the port is processed.
  • a processing apparatus for configuration information of an OLT port including: a sending module, configured to send information of a first port in an ONU to an OLT, where the first port The information is used to instruct the OLT to determine a second port corresponding to the first port in the OLT, and process configuration information of the second port according to the information of the first port, where the second The port is a logical port.
  • a storage medium having stored therein a computer program, wherein the computer program is configured to perform the steps of any one of the method embodiments described above at runtime.
  • an electronic device comprising a memory and a processor, wherein the memory stores a computer program, the processor being configured to execute the computer program to perform any of the above The steps in the method embodiments.
  • the configuration information of the logical port of the OLT is processed, there is no need to replace the ONU device or upgrade the ONU version. Therefore, even when the traffic bursts, the ONU is not required to be processed, and only the port of the OLT is re-established.
  • the configuration can be solved, and the problem that the ONU cannot guarantee the various traffic bursts in the traffic burst scenario due to the number of ONU models and the number of the ONUs is solved, and the OLT port is configured to cope with the network.
  • the scenario of various traffic bursts reduces the impact of traffic bursts on the ONU.
  • FIG. 1 is an overall networking diagram of an FTTX system in accordance with an embodiment of the present disclosure
  • FIG. 2 is a hardware structural block diagram of a mobile terminal for processing a configuration information of an OLT port according to an embodiment of the present disclosure
  • FIG. 3 is a flowchart of a method for processing configuration information of a first type of OLT port according to an embodiment of the present disclosure
  • FIG. 4 is a flowchart of a method for processing configuration information of a second type of OLT port according to an embodiment of the present disclosure
  • FIG. 5 is a flowchart of an OLT detection configuration according to a specific embodiment 1 of the present disclosure
  • FIG. 6 is a flowchart of an OLT detection configuration according to a specific embodiment 2 of the present disclosure.
  • FIG. 7 is a flowchart of detecting a physical port state by an ONU according to a second embodiment of the present disclosure
  • FIG. 8 is a flowchart of an ONU detecting logical port state according to a second embodiment of the present disclosure
  • FIG. 9 is a flowchart of an OLT detection configuration according to a specific embodiment 3 of the present disclosure.
  • FIG. 10 is a flowchart of an OLT detection configuration according to a specific embodiment 4 of the present disclosure.
  • FIG. 11 is a structural block diagram of a processing apparatus for configuration information of a first type of OLT port according to an embodiment of the present disclosure
  • FIG. 12 is a structural block diagram of a processing apparatus for configuration information of a second OLT port according to an embodiment of the present disclosure
  • FIG. 13 is a schematic diagram of an overall module of an FTTX system in accordance with an embodiment of the present disclosure.
  • the solution in the embodiment of the present disclosure can be applied to the FTTX system, and can solve the problem of traffic burst in the system, so that the FTTX system can cope with various burst scenarios in the network.
  • the overall network diagram of the FTTX system is shown in Figure 1.
  • the traffic burst of the FTTX system is mainly caused by the traffic burst of the upper device (10G).
  • the link of the ONU device (100 Mbps/Gigabit) may become a bottleneck, which causes the ONU device to need more cache to store. Packets, otherwise the packets will be discarded, which will affect the user's medical examination.
  • the ONU has a limited buffer as a terminal device, and the OLT is sufficient as a central office device to cache, and the configuration is easily modified.
  • the cache configuration bottleneck of the ONU terminal is solved by the cache configuration policy on the OLT.
  • the present disclosure provides a method and apparatus for traffic burst protection of an FTTX system.
  • the following solutions are provided to explain the present disclosure:
  • FIG. 2 is a hardware structural block diagram of a mobile terminal for processing a configuration information of an OLT port according to an embodiment of the present disclosure.
  • mobile terminal 20 may include one or more (only one of which is shown in FIG. 2) processor 202 (processor 202 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA. And a memory 204 configured to store data.
  • the mobile terminal may further include a transmission device 206 configured as a communication function and an input and output device 208.
  • the structure shown in FIG. 2 is merely illustrative, and does not limit the structure of the above mobile terminal.
  • the mobile terminal 20 may also include more or fewer components than those shown in FIG. 2, or have a different configuration than that shown in FIG. 2.
  • the memory 204 may be configured to store a computer program, for example, a software program of a application software and a module, such as a computer program corresponding to a processing method of configuration information of an OLT port in the embodiment of the present disclosure, and the processor 202 is stored in the memory 204 by running The computer program, thereby performing various functional applications and data processing, implements the above method.
  • Memory 204 can include high speed random access memory and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 204 can further include memory remotely located relative to processor 202, which can be connected to mobile terminal 20 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 206 is arranged to receive or transmit data via a network.
  • the above specific network example may include a wireless network provided by a communication provider of the mobile terminal 20.
  • the transmission device 206 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • the transmission device 206 can be a Radio Frequency (RF) module configured to communicate with the Internet wirelessly.
  • NIC Network Interface Controller
  • RF Radio Frequency
  • FIG. 3 is a flowchart of a method for processing configuration information of a first type of OLT port according to an embodiment of the present disclosure. As shown in FIG. 3, the process includes The following steps:
  • Step S302 Acquire information about the first port in the ONU sent by the optical network unit ONU.
  • Step S304 determining a second port corresponding to the first port in the optical line terminal OLT, where the second port is a logical port;
  • Step S306 processing configuration information of the second port according to the information of the first port.
  • the above operation may be a terminal, such as an OLT.
  • ports corresponding to different ONUs in the OLT are different logical ports (also referred to as virtual ports), and configuration information of different logical ports is different.
  • the configuration information of the logical port of the OLT is processed, there is no need to replace the ONU device or upgrade the ONU version. Therefore, even when the traffic bursts, the ONU is not processed, and only the port of the OLT is processed.
  • the reconfiguration can be performed to solve the problem that the ONU cannot guarantee the scenario of various traffic bursts in the traffic burst scenario due to the number of ONU models and the number of ONUs. Coping with various traffic burst scenarios in the network reduces the impact of traffic bursts on the ONU.
  • the information about the first port includes a connection state of the first port, a packet processing rate of the first port, and a buffering capability of the first port, where the information is used according to the information of the first port.
  • the configuration information of the port is processed, and when the connection state of the first port is determined to be a normal connection, the configuration information of the second port is adjusted according to the packet processing rate of the first port and the buffering capability of the first port; and/or When the connection state of the first port is determined to be disconnected, the configuration information of the second port is deleted. In this embodiment, it is not necessary to adjust the configuration information of the logical port corresponding to the port in the disconnected ONU.
  • the configuration information of the second port includes an integer value, a burst value, and a cache value, where the second port is configured according to a packet processing rate of the first port and a buffering capability of the first port.
  • the configuration information is adjusted to: adjust the shaping value of the second port to be less than or equal to the packet processing rate of the first port; adjust the burst value of the second port to be less than or equal to the buffering capability of the first port;
  • the buffer value of the second port is adjusted to be larger than the buffering capability of the first port.
  • the shaping value is used for the average rate of the second port to forward the packet.
  • the burst value is used to indicate that the second port forwards the packet exceeding the average rate.
  • the above cached value is used to indicate the number of bytes of the second port allowed to buffer packets.
  • the virtual port (corresponding to the above-mentioned logical port) on the OLT is bound to the ONU port, and the virtual port on the OLT is shaped (the average rate of the virtual port forwarding packet) and the burst (virtual).
  • the number of bytes that the port forwards the packet exceeds the average rate) and the cache (the number of bytes that the virtual port can buffer the packet) are adjusted.
  • the burst traffic outside the FTTX system is shielded on the OLT, thereby reducing the impact on the ONU and solving the traffic. Sudden problems.
  • the OLT may perform shaping, bursting, and buffer adjustment for the virtual port based on port information reported by the ONU (eg, port connection status, packet processing rate of the port, and buffering capability of the port).
  • the method further includes: allocating resources occupied by the configuration information of the second port to other ports in the OLT. That is to say, in this embodiment, the deleted cache resource can be allocated to other virtual ports for use.
  • the method before the processing the information of the second port according to the information of the first port, the method further includes: determining an authentication status of the ONU; and using the information of the first port to the second port
  • the information processing includes: when determining that the authentication status of the ONU is the authentication success, processing the configuration information of the second port according to the information of the first port. That is to say, in this embodiment, the authentication status of the ONU can be determined first.
  • the configuration information of the logical port in the OLT corresponding to the port in the ONU is obtained. Process it. The following describes the processing method under authentication failure:
  • the method further includes: deleting the configuration information of the port corresponding to all ports in the ONU in the OLT when the authentication status of the ONU is determined to be an authentication failure.
  • the ONU authentication fails, it indicates that there should be no packet transmission between the ONU and the OLT. Therefore, the port configuration corresponding to the port in the ONU in the OLT can be deleted.
  • the method further includes: configuring configuration information of the port corresponding to all ports in the ONU in the OLT.
  • the occupied resources are allocated to other ports in the OLT. That is to say, in this embodiment, the deleted cache resource can be allocated to other virtual ports for use.
  • the method before the processing of the configuration information of the second port is performed according to the information about the first port, the method further includes: determining a rate at which the uplink port of the OLT forwards the packet;
  • the processing of the second port configuration information includes: when determining that the rate at which the uplink port forwards the packet is greater than the packet processing rate of the first port, processing the configuration information of the second port according to the information of the first port.
  • the OLT may perform judgment based on the link rate of the OLT and the port information reported by the ONU, and perform shaping, burst, and buffer adjustment for the virtual port.
  • the OLT can also perform judgment based on the authentication status of the ONU, combined with the link rate of the link on the OLT and the report port of the ONU, and perform shaping, burst, and buffer adjustment for the virtual port.
  • the method further includes: determining that the rate at which the uplink port forwards the packet is less than or equal to the packet processing rate of the first port. When the configuration information of the second port is maintained.
  • the information of the first port includes the number of the first port
  • the method further includes: recording the ONU before receiving the information of the first port in the ONU from the optical network unit ONU Corresponding relationship between the number of each port and each port in the OLT; determining the second port of the fiber line terminal OLT corresponding to the first port includes: determining, according to the correspondence relationship and the number of the first port, the first port The second port.
  • the virtual port (corresponding to the above-mentioned logical port) on the OLT and the port in the ONU need to be bound in advance.
  • the information about the first port includes at least one of the following: a number of the first port, a connection state of the first port, a packet processing rate of the first port, and a buffering capability of the first port; And/or, the configuration information of the foregoing second port includes at least one of the following: an shaping value, which is used to indicate an average rate of forwarding packets of the second port, and a burst value, which is used to indicate that the second port forwards the packet exceeding an average rate.
  • the number of bytes; the cache value is used to indicate the number of bytes that the second port is allowed to buffer.
  • the packet processing rate of the first port is a negotiation rate of the first port; and/or, when the first port is a logical port, The packet processing rate of the first port is the maximum rate of processing packets of the first port. That is, in this embodiment, if the ONU port is a physical port, the rate can be reported as the port rate through the port negotiation rate. If the ONU port is a logical port, the maximum rate of the packet can be processed through the port as the port rate. .
  • FIG. 4 is a flowchart of a method for processing configuration information of a second OLT port according to an embodiment of the present disclosure. Including the following steps:
  • Step S402 the information of the first port in the ONU is sent to the OLT, where the information of the first port is used to instruct the OLT to determine the second port in the OLT corresponding to the first port, and according to the information of the first port.
  • the configuration information of the second port is processed, and the second port is a logical port.
  • the above operation may be an ONU.
  • ports corresponding to different ONUs in the OLT are different logical ports (also referred to as virtual ports), and configuration information of different logical ports is different.
  • the ONU device since the configuration information of the logical port of the OLT is processed, the ONU device does not need to be replaced or the ONU version is upgraded. Therefore, even when the traffic bursts, the ONU is not processed, and only the port of the OLT is processed.
  • the reconfiguration can be performed to solve the problem that the ONU cannot guarantee the scenario of various traffic bursts in the traffic burst scenario due to the number of ONU models and the number of ONUs. Coping with various traffic burst scenarios in the network reduces the impact of traffic bursts on the ONU.
  • the method before the sending the information of the first port in the ONU to the OLT, the method further includes: detecting that the connection state of the first port changes.
  • the ONU can monitor the status of each port in the ONU in real time, and after determining that the connection status of the port changes, the information of the port whose connection status changes in the ONU is generated to the OLT.
  • the method before the sending the information of the first port in the ONU to the OLT, the method further includes: detecting a connection state of each port in the ONU, a packet processing rate of each port, and a buffer of each port.
  • the function of sending the information of the first port in the ONU to the OLT includes: sending the number of the first port, the detected connection state of the first port, the packet processing rate of the first port, and the buffering capability of the first port to OLT.
  • the information about the first port includes at least one of the following: a number of the first port, a connection state of the first port, a packet processing rate of the first port, and a buffering capability of the first port; And/or, the configuration information of the foregoing second port includes at least one of the following: an shaping value, which is used to indicate an average rate of forwarding packets of the second port, and a burst value, which is used to indicate that the second port forwards the packet exceeding an average rate.
  • the number of bytes; the cache value is used to indicate the number of bytes that the second port is allowed to buffer.
  • the packet processing rate of the first port is a negotiation rate of the first port; and/or, when the first port is a logical port, the first The packet processing rate of the port is the maximum rate of processing packets on the first port.
  • the embodiment 2 is mainly described from the OLT side.
  • the third embodiment is mainly described from the ONU side. The following describes the interaction between the OLT and the ONU in conjunction with the specific embodiments:
  • the OLT configures the shaping value, the burst value, and the cache value configuration for the virtual port, including the following steps:
  • the OLT After the ONU is successfully registered, the OLT sends a data configuration to the ONU, and maps the port data of the ONU to the virtual port of the OLT (corresponding to the logical port in the OLT).
  • the OLT records the port relationship table between the ONU port and the OLT virtual port, including the slot number, PON port number, and registration number information of the ONU on the OLT.
  • the LAN1 port of the No. 5 PON port No. 5 ONU in slot 2 corresponds to the virtual port.
  • the record information at port 256 is 2/3/5:1 corresponding to 256;
  • the OLT configures an shaping value, a burst value, and a cache value parameter for the virtual port.
  • the OLT configures the shaping value, the burst value, and the buffer value for the virtual port to ensure that the packet rate delivered by the OLT is relatively uniform, and the burst traffic of the upper layer device is cached, and the traffic burst is reduced.
  • the impact of ONU is relatively uniform, and the burst traffic of the upper layer device is cached, and the traffic burst is reduced.
  • the OLT adjusts the configuration of the shaping value, the burst value, and the cache value of the virtual port in the OLT according to the port information reported by the ONU, including the following steps:
  • the OLT After the ONU is successfully registered, the OLT sends a data configuration to the ONU, and maps the port data of the ONU to the virtual port of the OLT.
  • the OLT records the port relationship table between the ONU port and the OLT virtual port, including the slot number, the PON port number, and the registration number information of the ONU on the OLT, such as the LAN1 port of the No. 5 PON port No. 5 ONU in the slot 2
  • the record information at port 256 is 2/3/5:1 corresponding to 256;
  • S603 The OLT detects the message that the ONU reports the port information (that is, detects whether the ONU port status change information is received). If the message is not received, the OLT continues to detect. If the message is received, the process proceeds to S604.
  • S604 Obtain the status information of the ONU port, determine the status of the ONU port, and if the port is in the UP state (corresponding to the connection state described above), go to S606, otherwise (ie, if the port is in the DOWN state, corresponding to the disconnected state described above) S605;
  • the ONU port is in the DOWN state.
  • the ONU port number is used to determine the OLT virtual port through the port relationship table.
  • the virtual port index is used to search the configuration relationship table, and the virtual port shaping value, the burst value, and the cache value configuration are deleted.
  • the cache is used for other virtual port usage, and the process proceeds to step S603 to continue the detection;
  • the ONU port is in the UP state, and the parameter information such as the port number, the port rate, and the port cache of the ONU is obtained, and the OLT virtual port is determined by the ONU port number through the port relationship table.
  • S607 Configure the shaping value, the burst value, and the cache value parameter of the OLT virtual port.
  • the configuration relationship table such as the shaping value B of the virtual port A configuration, and the burst.
  • the value C, the cache value D, the configuration relationship table record is A corresponding to B/C/D, and A is the index number. Proceeding to step S603 to continue the detection.
  • the shaping value B of the virtual port is less than or equal to the rate Y of the ONU port, so that the rate of the packet forwarded by the OLT to the ONU port is less than or equal to the rate of the ONU, so that the ONU port can process all the packets without any loss.
  • Packets and other problems; the virtual port burst value C is less than or equal to the ONU port buffer Z, so that the OLT can burst larger packets on the basis of the average rate, and send more packets as much as possible, but guarantee these packets.
  • the OLT virtual port can cache more packets than the ONU port when the upper device has a packet burst, so that the virtual port cache value D is greater than the ONU port cache Z. Ensure that these messages are not discarded.
  • the corresponding ONU port is real hardware port information, and is detected by the negotiation state of the ONU hardware port.
  • S702 Forward, according to the configuration, the port data packet of the ONU to the virtual port configured by the OLT.
  • S703 The ONU starts a thread to detect negotiation state change information of each physical port.
  • S705 Obtain the negotiation status of the physical port. If the status is from DOWN to UP, the port number, the negotiation rate, and the port cache are obtained. The negotiation rate is reported as the port rate. If the status is from UP to DOWN, the port is obtained.
  • the port number information, the negotiation rate and the port cache are not concerned by default, and can be configured to all 0s, and the process proceeds to step S706;
  • the ONU reports the port information (port number, port status, port rate, and port buffer) to the OLT.
  • the port rate is the port negotiation rate.
  • the port rate and port buffer have no meaning. Can be reported as all 0s.
  • the ONU port may be a non-real hardware port information, and is a logical port (such as an ESSID port of the WIFI).
  • the ONU port is used to detect whether the ONU port is in use or not;
  • the maximum rate of processing the packet indicates the port rate.
  • the embodiment includes the following steps:
  • S802 Forward, according to the configuration, the port data packet of the ONU to the virtual port configured by the OLT;
  • the ONU startup thread detects MAC address learning information of each logical port
  • S804 record the number of MAC address learning of each logical port, and compare with the last recorded value
  • step S805 If the number of MAC addresses of the logical port is from the state to the state, the process proceeds to step S809, otherwise proceeds to step S806;
  • step S806 If the number of MAC addresses of the logical port is from the endless state, proceed to step S807, otherwise continue to detect the MAC address learning information of each logical port;
  • step S807 At this time, the logical port state is the UP state, and the state is recorded, and the process proceeds to step S808;
  • S808 Obtain a port rate and a port buffer of the logical port.
  • the port rate does not indicate a true physical rate, but refers to a maximum rate at which the logical port can process packets.
  • the ESSID logical port of the WIFI can process the maximum rate of the packet. 500Mbit / s, then the rate is the port rate), proceeds to step S810;
  • step S809 At this time, the logical port state is the DOWN state, and the state is recorded, and the process proceeds to step S810;
  • the ONU reports the physical port information (port number, port status, port rate, and port buffer) to the OLT.
  • the port rate is the maximum rate at which the port processes packets.
  • the port status is DOWN, the port is DOWN.
  • the rate and port buffers are meaningless and can be reported as all zeros.
  • the corresponding OLT adjusts the shaping value, the burst value, and the cache value configuration of the virtual port according to the port information reported by the ONU and the interface information on the OLT, and includes the following steps.
  • the OLT After the ONU is successfully registered, the OLT sends a data configuration to the ONU, and maps the port data of the ONU to the virtual port of the OLT.
  • the OLT records the port relationship table between the ONU port and the OLT virtual port, including the slot number, PON port number, and registration number information of the ONU on the OLT.
  • the LAN1 port of the No. 5 PON port No. 5 ONU in slot 2 corresponds to the virtual port.
  • the record information at port 256 is 2/3/5:1 corresponding to 256;
  • S903 The OLT detects the message that the ONU reports the port information (that is, receives the ONU port state change information), if the message is not received, continues to detect, if the message is received, the process proceeds to S904;
  • S904 Obtain the status information of the ONU port. If the port is in the UP state, go to S906, otherwise go to S905.
  • the ONU port is in the DOWN state.
  • the ONU port number is used to determine the OLT virtual port through the port relationship table.
  • the virtual port index is used to search the configuration relationship table, and the virtual port shaping value, the burst value, and the cache value configuration are deleted.
  • the cache is used for other virtual port usage and continues to be detected;
  • the OLT virtual port is determined by the port number relationship table of the ONU port number, so that the uplink port information of the virtual port is located, and the rate information of the interface on the OLT is obtained.
  • step S908 If the uplink rate of the OLT is greater than the ONU port rate, proceed to step S709, otherwise continue to detect;
  • S909 Obtain the parameter information of the port number, the port rate, and the port cache of the ONU.
  • the ONU port number is used to determine the OLT virtual port through the port relationship table, and the shaping value, the burst value, and the cache value parameter of the OLT virtual port are configured, and the OLT virtual port is configured.
  • the configuration relationship table such as the shaping value B of the virtual port A configuration, the burst value C, the cache value D, and the configuration relationship table records as A corresponding to B/C/D and A as the index. No. and continue to test.
  • the shaping port B of the virtual port is less than or equal to the ONU port rate Y, so that the packet rate that the OLT forwards to the ONU port is less than or equal to the port rate of the ONU, so that the ONU port can process all the packets without generating Packet loss and other issues;
  • the virtual port burst value C is less than or equal to the ONU port cache Z, so that the OLT can burst larger packets based on the average rate and send more packets as much as possible, but guarantee these reports.
  • the OLT virtual port can cache more packets than the ONU port when the upper device has a packet burst, because the virtual port cache value D is greater than the ONU port cache Z. This ensures that these messages will not be discarded.
  • the virtual port needs to be shaped, bursted, and cache adjusted to ensure that The efficiency of OLT resource utilization.
  • the OLT adjusts the corresponding shaping value and cache configuration based on the port information reported by the ONU, the link information on the OLT, and the ONU registration status, including the following steps:
  • the OLT After the ONU is successfully registered, the OLT sends data configuration to the ONU, and maps the port data of the ONU to the virtual port of the OLT.
  • the OLT records the port relationship table between the ONU port and the OLT virtual port, including the slot number, PON port number, and registration number information of the ONU on the OLT.
  • the LAN1 port of the No. 5 PON port No. 5 ONU in slot 2 corresponds to the virtual port.
  • the record information at port 256 is 2/3/5:1 corresponding to 256;
  • OLT detects the authentication status of the ONU, if the authentication is successful, proceeds to step S1005, otherwise proceeds to step S1004;
  • the ONU is in the authentication failure state, and the OLT traverses all the port information of the ONU.
  • the ONU port determines the OLT virtual port through the port relationship table, searches the configuration relationship table through the virtual port index, and deletes the virtual port shaping value, burst value, and cache. Value configuration, the deleted cache can be used for other virtual ports and continue to be detected;
  • S1005 The OLT detects the message that the ONU reports the port information (that is, determines whether the ONU port status change information is received), and if the message is not received, continues to detect, if yes, proceeds to S1006;
  • S1006 Obtain the status information of the ONU port. If the port is in the UP state, go to S1008, otherwise go to S1007.
  • the ONU port is in the DOWN state.
  • the ONU port number is used to determine the OLT virtual port through the port relationship table.
  • the virtual port index is used to search the configuration relationship table, and the virtual port shaping value, burst value, and cache value configuration are deleted.
  • the cache is used by other virtual ports and continues to be detected;
  • the ONU port is in the Up state and obtains the ONU port rate.
  • the OLT virtual port is determined by the port number relationship table of the ONU port number, so that the uplink port information of the virtual port is located, and the rate information of the interface on the OLT is obtained.
  • step S1010 If the uplink rate of the OLT is greater than the ONU port information, proceed to step S1011, otherwise continue to detect;
  • S1011 Obtain the parameter information of the port number, the port rate, and the port cache of the ONU.
  • the ONU port number is used to determine the OLT virtual port through the port relationship table, and the shaping value, the burst value, and the cache value parameter of the OLT virtual port are configured, and the OLT virtual port is configured.
  • the configuration relationship table such as the shaping value B of the virtual port A configuration, the burst value C, the cache value D, and the configuration relationship table records as A corresponding to B/C/D and A as the index. number. Proceeding to step S803 to continue the detection.
  • the shaping port B of the virtual port is less than or equal to the rate Y of the ONU port, so that the rate of the packet forwarded by the OLT to the ONU port is less than or equal to the port rate of the ONU, so that the ONU port can process all the packets.
  • the virtual port burst value C is less than or equal to the ONU port buffer Z, so that the OLT can burst larger packets on the basis of the average rate and send more packets as much as possible, but Ensure that these packets are not lost due to insufficient ONU port buffering;
  • the virtual port cache value D is greater than the ONU port cache Z, so that the OLT virtual port can cache more than the ONU port when there is a packet burst on the upper device. Messages to ensure that these messages will not be discarded.
  • the virtual port needs to be shaped, bursted, and cache adjusted to ensure that The efficiency of OLT cache resource utilization.
  • the ONU port when the ONU is in the authentication failure state, the ONU is in an illegal state, and the ONU port does not need to perform burst protection for the ONU port, and the virtual port of all ports of the ONU can be directly deleted on the OLT.
  • the shaping, burst, and cache value configuration, and the deleted cache resources are used by other virtual ports to maximize the efficiency of OLT cache resource utilization.
  • a device for processing configuration information of an OLT port is further provided, and the device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 11 is a structural block diagram of a processing apparatus for configuration information of a first type of OLT port according to an embodiment of the present disclosure. As shown in FIG. 11, the apparatus includes:
  • the obtaining module 112 is configured to acquire information of the first port in the ONU sent by the optical network unit ONU, and the determining module 114 is connected to the obtaining module 114, and configured to determine the second port of the optical line terminal OLT corresponding to the first port.
  • the second port is a logical port; the processing module 116 is connected to the obtaining module 114, and configured to process the configuration information of the second port according to the information of the first port.
  • the information about the first port includes a connection status of the first port, a packet processing rate of the first port, and a buffering capability of the first port
  • the processing module 116 includes: an adjusting unit, When the connection state of the first port is determined to be a normal connection, the configuration information of the second port is adjusted according to the packet processing rate of the first port and the buffering capability of the first port; and/or the deleting unit is set to When it is determined that the connection state of the first port is disconnected, the configuration information of the second port is deleted.
  • the configuration information of the second port includes an integer value, a burst value, and a cache value
  • the adjusting unit is specifically configured to: adjust the shaping value of the second port to be less than or equal to the first a packet processing rate of the port; adjusting the burst value of the second port to be less than or equal to the buffering capability of the first port; adjusting the buffer value of the second port to be greater than the buffering capability of the first port; wherein the shaping value The average rate of the packets forwarded by the second port, where the burst value is used to indicate the number of bytes that the second port forwards the packet exceeding the average rate, and the cache value is used to indicate the number of bytes allowed to be buffered by the second port.
  • the foregoing apparatus is further configured to: after deleting the configuration information of the second port, allocate resources occupied by the configuration information of the second port to other ports in the OLT.
  • the foregoing apparatus is further configured to: determine an authentication status of the ONU before processing the information of the second port according to the information of the first port; and the processing module 116 is configured to: determine the ONU When the authentication status is successful, the configuration information of the second port is processed according to the information of the first port.
  • the foregoing apparatus is further configured to: after determining the authentication status of the ONU, delete the configuration information of the port corresponding to all the ports in the OLT in the OLT when determining that the authentication status of the ONU is the authentication failure. .
  • the foregoing apparatus is further configured to: after deleting the configuration information of the port corresponding to all ports in the ONU in the OLT, configure the port corresponding to all ports in the ONU in the OLT respectively.
  • the resources occupied by the information are allocated to other ports in the OLT.
  • the foregoing apparatus is further configured to: before processing the configuration information of the second port according to the information of the first port, determine a rate at which the uplink port of the OLT forwards the packet; according to the first port
  • the processing of the second port configuration information includes: when determining that the rate at which the uplink port forwards the packet is greater than the packet processing rate of the first port, processing the configuration information of the second port according to the information of the first port.
  • the foregoing apparatus is further configured to: after determining the rate at which the uplink port of the OLT forwards the packet, determining that the rate at which the uplink port forwards the packet is less than or equal to the packet processing of the first port At the rate, the configuration information of the second port is maintained.
  • the information of the first port includes the number of the first port
  • the device is further configured to: record the ONU before receiving the information of the first port in the ONU from the optical network unit ONU Corresponding relationship between the number of each port in the OLT and the port in the OLT; determining the second port corresponding to the first port in the OLT terminal includes: determining the first port according to the corresponding relationship and the number of the first port Corresponding second port.
  • the information about the first port includes at least one of the following: a number of the first port, a connection state of the first port, a packet processing rate of the first port, and a buffering capability of the first port; And/or, the configuration information of the foregoing second port includes at least one of the following: an shaping value, which is used to indicate an average rate of forwarding packets of the second port, and a burst value, which is used to indicate that the second port forwards the packet exceeding an average rate.
  • the number of bytes; the cache value is used to indicate the number of bytes that the second port is allowed to buffer.
  • the packet processing rate of the first port is a negotiation rate of the first port; and/or, when the first port is a logical port, The packet processing rate of the first port is the maximum rate of processing packets of the first port. That is, in this embodiment, if the ONU port is a physical port, the rate can be reported as the port rate through the port negotiation rate. If the ONU port is a logical port, the maximum rate of the packet can be processed through the port as the port rate. .
  • the OLT includes an OLT interaction module (corresponding to the above-mentioned acquisition module 112 and determination module 114) and an OLT cache adjustment module (corresponding to the processing module 116 described above), and each module is described below:
  • the OLT interaction module has two functions:
  • the OLT interaction module forwards the ONU port data to the virtual port of the OLT through the protocol between the OLT and the ONU, so that the OLT can sense the information of the ONU port and record the OLT virtual port when forwarding the packet to the ONU. a port relationship table between the port and the ONU port;
  • the ONU port can be mapped to the GEMPORT of the OLT through the OMCI protocol, for example, the ONU port 1 is mapped to the GEMPORT1;
  • the ONU port can be mapped to the LLID of the OLT by extending the OAM protocol, for example, the ONU port 1 is mapped to the LLID1.
  • the port relationship table of the OLT records the index relationship between the ONU port and the OLT virtual port, and the ONU port of the port relationship table is an index number. For example, if the LAN1 port of the No. 5 PON port No. 5 of the No. 2 slot corresponds to the virtual port 256, the record information is 2/3/5: 1 corresponds to 256, and 2/3/5: 1 is the index number of the entry.
  • the OLT interaction module receives the status information of the ONU port and parses the information, so that the OLT senses the change of the ONU port information in real time.
  • the OLT cache adjustment module obtains the ONU port information (port number, port status, port rate, port cache) in real time through the OLT interaction module, and searches the virtual port of the OLT through the ONU port number index port relationship table, and performs virtual port on the OLT.
  • the shaping, burst, and cache adjustments are configured to configure the shaping value, burst value, and cache value of the virtual port to ensure that the burst of the upper-layer device traffic has no impact on the ONU, and records the configuration relationship table between the OLT virtual port and the configuration value.
  • the virtual port is the index number of the table. For example, the shaping value B, the burst value C, and the cache value D of the virtual port A configuration are recorded as A corresponding to B/C/D, and A is an index number.
  • the OLT virtual port (A) is determined by the ONU port number (X) through the port index table;
  • the shaping value B of the OLT virtual port A configuration is less than or equal to the ONU port rate Y;
  • the burst value C configured by the OLT virtual port A is less than or equal to the ONU port buffer value Z;
  • the cache value D configured by the OLT virtual port A is greater than the ONU port cache value Z.
  • the OLT cache adjustment module deletes configurations such as shaping, burst, and cache based on the configuration relationship table information:
  • the OLT virtual port (A) is determined by the ONU port number (X) through the port index table;
  • the OLT cache adjustment module can determine the relationship between the uplink interface rate and the ONU port rate by obtaining the rate of the uplink interface of the OLT.
  • the rate of the uplink port is greater than the rate of the ONU port, the probability of a burst is large.
  • the virtual port needs to be shaped, bursted, and cached.
  • the rate of the uplink port is less than or equal to the ONU port rate (such as the ONU port rate). If the uplink port rate of the OLT is less than or equal to 1000M, the burst of the uplink interface cannot exceed the port rate of the ONU. You can configure the virtual port for bursting, bursting, and caching.
  • the OLT cache adjustment module obtains the authentication status of the ONU through the OLT interaction module. If the ONU is in the authentication failure state, the ONU is in an illegal state, and the virtual port of the ONU can be directly deleted and bursted on the OLT. And cache value configuration, and delete the cached resources for use by other virtual ports.
  • FIG. 12 is a structural block diagram of a processing device for configuring configuration information of a second OLT port according to an embodiment of the present disclosure, as shown in FIG.
  • the device includes:
  • the sending module 122 is configured to send information of the first port in the ONU to the OLT, where the information of the first port is used to instruct the OLT to determine a second port in the OLT corresponding to the first port, and according to the first port The information is processed by the configuration information of the second port, which is a logical port.
  • the apparatus further includes: a detecting module configured to detect that a connection state of the first port changes before transmitting information of the first port in the ONU to the OLT.
  • the foregoing apparatus is further configured to: before transmitting the information of the first port in the ONU to the OLT, detecting a connection state of each port in the ONU, a packet processing rate of each port, and a port processing rate of each port.
  • the information about the first port includes at least one of the following: a number of the first port, a connection state of the first port, a packet processing rate of the first port, and a buffering capability of the first port; And/or, the configuration information of the foregoing second port includes at least one of the following: an shaping value, which is used to indicate an average rate of forwarding packets of the second port, and a burst value, which is used to indicate that the second port forwards the packet exceeding an average rate.
  • the number of bytes; the cache value is used to indicate the number of bytes that the second port is allowed to buffer.
  • the packet processing rate of the first port is a negotiation rate of the first port; and/or, when the first port is a logical port, the first The packet processing rate of the port is the maximum rate of processing packets on the first port.
  • the device in this embodiment may be applied to an ONU, and the modules in the ONU are described below in conjunction with specific embodiments:
  • the ONU includes an ONU port detection module and an ONU interaction module (corresponding to the foregoing transmission module 122), and each module is described below:
  • the ONU port detection module is responsible for detecting the status of the ONU port, detecting the status of each port of the ONU in real time, and obtaining related information such as the rate of the port and the port cache.
  • the ONU records the following information through the port detection module, including port number, port status, port rate, and port buffer.
  • Port number indicating the number of the ONU port, such as LAN1 and other information
  • Port status indicating the connection status information of the ONU port, including two status information: UP (connection success) / DOWN (connection failure);
  • Port rate which indicates the maximum rate of packets processed on the ONU port, such as 100 Mbit/s and 1000 Mbit/s.
  • the rate can be negotiated through the port as the port rate.
  • the maximum rate of the packet can be processed through the port as the port rate.
  • Port buffer which indicates the maximum packet buffer value of the ONU port, such as 1 Mbyte.
  • the ONU interaction module After receiving the port status change message (port status from UP to DOWN, or from DOWN to UP), the ONU interaction module obtains the information (port number, port status, port rate, port buffer) recorded by the port detection module, and The information is reported to the OLT through the protocol encapsulation between the ONUs and the OLTs.
  • the port information may be encapsulated by the OMCI protocol.
  • the port information can be encapsulated by the extended OAM protocol.
  • FIG. 13 A schematic diagram of each module in the OLT and the ONU is shown in FIG. 13 .
  • the OLT is shaped and buffered when the upper device has a traffic burst, thereby avoiding the impact on the ONU device.
  • it has the following advantages:
  • the parameter adjustment for each terminal device is avoided by directly adjusting the relevant configuration on the central office device;
  • the ONU has no awareness and does not need to upgrade the ONU version on a large scale.
  • the cache information on the OLT can be dynamically adjusted based on the port information and the authentication status of the ONU, so that the cache on the OLT is fully utilized.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • Embodiments of the present disclosure also provide a storage medium having stored therein a computer program, wherein the computer program is configured to execute the steps of any one of the method embodiments described above.
  • the foregoing storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (RAM).
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • Embodiments of the present disclosure also provide an electronic device including a memory and a processor having a computer program stored therein, the processor being configured to execute a computer program to perform the steps of any one of the method embodiments described above.
  • the electronic device may further include a transmission device and an input and output device, wherein the transmission device is connected to the processor, and the input and output device is connected to the processor.
  • modules or steps of the present disclosure described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. As such, the disclosure is not limited to any specific combination of hardware and software.
  • the method, the device, the storage medium, and the electronic device for processing configuration information of the OLT port have the following beneficial effects: the problem exists in the related art due to the number of ONUs and the number of the ONUs. In a burst scenario, the ONU cannot guarantee the problem of various traffic burst scenarios.
  • the OLT port is configured to cope with various traffic bursts in the network, which reduces the impact of traffic bursts on the ONU.

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Abstract

L'invention concerne un procédé et un appareil permettant de traiter des informations de configuration d'un port OLT, un support de stockage et un appareil électronique. Le procédé consiste à : acquérir des informations d'un premier port dans une unité de réseau optique (ONU) envoyées par l'ONU; déterminer un second port, dans un terminal de ligne optique (OLT), correspondant au premier port, le second port étant un port logique; et traiter des informations de configuration du second port selon les informations du premier port. L'invention résout le problème dans l'état de la technique selon lequel, dans un scénario de rafale de trafic, une ONU ne peut pas assurer tous les scénarios de rafale de trafic en raison de l'existence de nombreux modèles et types d'ONU, ce qui permet d'atteindre l'objectif de faire face à divers scénarios de rafale de trafic dans un réseau correspondant en configurant un port OLT et en réduisant l'impact d'une rafale de trafic sur une ONU.
PCT/CN2019/077211 2018-04-17 2019-03-06 Procédé et appareil permettant de traiter des informations de configuration de port olt, et support de stockage WO2019201025A1 (fr)

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