WO2024021672A1 - Procédé et dispositif de traitement de paquet de multidiffusion, support de stockage et dispositif électronique - Google Patents

Procédé et dispositif de traitement de paquet de multidiffusion, support de stockage et dispositif électronique Download PDF

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Publication number
WO2024021672A1
WO2024021672A1 PCT/CN2023/086655 CN2023086655W WO2024021672A1 WO 2024021672 A1 WO2024021672 A1 WO 2024021672A1 CN 2023086655 W CN2023086655 W CN 2023086655W WO 2024021672 A1 WO2024021672 A1 WO 2024021672A1
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WO
WIPO (PCT)
Prior art keywords
port
multicast
configuration information
operation data
unknown
Prior art date
Application number
PCT/CN2023/086655
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English (en)
Chinese (zh)
Inventor
唐亮
周建国
张娟
Original Assignee
中兴通讯股份有限公司
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Publication of WO2024021672A1 publication Critical patent/WO2024021672A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/10—Packet switching elements characterised by the switching fabric construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/15—Interconnection of switching modules
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/20—Support for services
    • H04L49/201—Multicast operation; Broadcast operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/25—Routing or path finding in a switch fabric
    • H04L49/253—Routing or path finding in a switch fabric using establishment or release of connections between ports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5069—Address allocation for group communication, multicast communication or broadcast communication

Definitions

  • Embodiments of the present disclosure relate to the field of communications, and specifically, to a multicast message processing method, device, storage medium, and electronic device.
  • FIG 1 is an architectural diagram of multicast data packet forwarding in related technologies.
  • the distributed server serves as the multicast source and the multicast client is connected to the access switch in a discrete form.
  • the multicast client The flow of end-pull multicast servers can be considered as an east-west traffic scenario. In this scenario, the querier selection cannot be close to all multicast sources. The choice of query is more appropriate on the core device. According to this networking method, the querier is not directly connected to the multicast source.
  • the IGMP Internet Group Management Protocol
  • join messages sent by all access switches are terminated after they are sent to the core device.
  • the core device will not continue to add IGMP (Internet Group Management Protocol) messages to the core device. protocol) packets are then forwarded to other access switches connected to the encoder, resulting in no user multicast entry on access switch 1.
  • IGMP Internet Group Management Protocol
  • access switch 1 After the access switch connected to the encoder (access switch 1 in Figure 1) receives the multicast stream sent by the encoder, because the core device does not send IGMP (Internet Group Management Protocol) to access switch 1 to join, access switch 1
  • IGMP Internet Group Management Protocol
  • the routing port is not a user port, and multicast packets will not be forwarded to the core device through the routing port (when unknown multicast flooding is turned off). If the core device cannot receive the multicast stream, access switch 2 cannot pull the multicast stream from access switch 1.
  • Embodiments of the present disclosure provide a multicast message processing method, device, storage medium and electronic device to at least solve the problem in related technologies that the core device cannot receive the multicast stream and the decoder fails when unknown multicast flooding is turned off.
  • the access switch cannot pull the encoder's multicast stream.
  • a multicast packet processing method which is applied to an access switch connected to an encoder.
  • the method includes:
  • the unknown multicast message is sent to the core device through the port, so as to be forwarded to the access switch to which the decoder is connected through the core device.
  • a multicast message processing device which is applied to an access switch connected to an encoder.
  • the device includes:
  • the first configuration module is configured to configure a port for forwarding unknown multicast packets according to the port configuration information when it is not directly connected to the core device;
  • the sending module is configured to send the unknown multicast message to the core device through the port, so as to forward it to the access switch to which the decoder is connected through the core device.
  • a computer-readable storage medium is also provided, and a computer program is stored in the storage medium, wherein the computer program is configured to execute any of the above method embodiments when running. steps in.
  • an electronic device including a memory and a processor.
  • a computer program is stored in the memory, and the processor is configured to run the computer program to perform any of the above. Steps in method embodiments.
  • Figure 1 is an architectural diagram of multicast data packet forwarding in related technologies
  • Figure 2 is a hardware structure block diagram of a mobile terminal of a multicast packet processing method according to an embodiment of the present disclosure
  • Figure 3 is a flow chart of a multicast packet processing method according to an embodiment of the present disclosure
  • FIG. 4 is a flowchart 1 of unknown multicast packet forwarding according to this embodiment
  • Figure 5 is a flow chart 2 of unknown multicast packet forwarding according to this embodiment
  • Figure 6 is a block diagram of a multicast packet processing device according to an embodiment of the present disclosure.
  • FIG. 2 is a hardware structural block diagram of a mobile terminal of the multicast packet processing method according to an embodiment of the present disclosure.
  • the mobile terminal may include one or more (only Shown is a) processor 102 (the processor 102 may include but is not limited to a processing device such as a microprocessor MCU or a programmable logic device FPGA) and a memory 104 for storing data, wherein the above-mentioned mobile terminal may also include a processor for storing data.
  • FIG. 2 is only illustrative, and it does not limit the structure of the above-mentioned mobile terminal.
  • the mobile terminal may also include more or fewer components than shown in FIG. 2 , or have a different configuration than shown in FIG. 2 .
  • the memory 104 can be used to store computer programs, for example, software programs and modules of application software, such as the computer program corresponding to the multicast message processing method in the embodiment of the present disclosure.
  • the processor 102 runs the computer program stored in the memory 104, Thereby executing various functional applications and business chain address pool slicing processing, that is, implementing the above method.
  • Memory 104 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory.
  • the memory 104 may further include memory located remotely relative to the processor 102, and these remote memories may be connected to the mobile terminal through a network. Examples of the above-mentioned networks include but are not limited to the Internet, intranets, local area networks, mobile communication networks and combinations thereof.
  • Transmission device 106 is used to receive or send data via a network. Specific examples of the above network may include mobile terminals The wireless network provided by the end communication provider.
  • the transmission device 106 includes a network adapter (Network Interface Controller, NIC for short), which can be connected to other network devices through a base station to communicate with the Internet.
  • the transmission device 106 may be a radio frequency (Radio Frequency, RF for short) module, which is used to communicate with the Internet wirelessly.
  • NIC Network Interface Controller
  • FIG. 3 is a flow chart of the multicast packet processing method according to the embodiment of the present disclosure. As shown in Figure 3, Applied to the access switch for encoder access, the process includes the following steps:
  • Step S302 When not directly connected to the core device, configure a port for forwarding unknown multicast packets according to the port configuration information;
  • the access switch that is not directly connected to the core device (corresponding to the access interactive machine 1 in Figure 1) cannot forward unknown multicast packets to the core device. Known multicast packets are forwarded to the core device.
  • Step S304 Send the unknown multicast message to the core device through the port, so as to forward it to the access switch to which the decoder is connected through the core device.
  • the problem in the related technology that when the unknown multicast flooding is turned off, the core device cannot receive the multicast stream and the access switch of the decoder cannot pull the multicast stream of the encoder can be solved.
  • the core device can receive the multicast stream from the encoder and forward the multicast stream to the access switch of the decoder.
  • the above-mentioned step S302 may specifically include: receiving and parsing port configuration information through the adaptation layer to obtain pending operation data; configuring a port for forwarding unknown multicast packets according to the pending operation data, and further, Store the operation data to be processed through the adaptation layer and send the operation data to be processed to the driver layer; convert the operation data to be processed into the format recognized by the chip through the driver layer to obtain the target operation data; call the chip's delivery interface to transfer the target operation The data is delivered to the chip; through the chip, the port is configured to forward unknown multicast packets based on the pending operation data.
  • the method before receiving and parsing the port configuration information through the adaptation layer, the method further includes: configuring the port configuration information through the platform; or, using the platform to identify the port from the received query message and store the port configuration information. ; Deliver port configuration information to the adaptation layer.
  • step S302 may specifically include: configuring a port that filters unknown multicast packets to not filter unknown multicast packets.
  • the method before step S304, further includes: receiving a multicast message and determining whether the multicast message matches a multicast entry; In the case of table entries, the multicast packet is determined to be an unknown multicast packet.
  • the core device After the core device turns on the IGMP snooping (Internet Group Management Protocol snooping) querier function, the core device sends general group query messages to all access switches, and the upstream ports of all access switches receive general group query messages.
  • IGMP snooping Internet Group Management Protocol snooping
  • a routing port is formed; when the decoder needs the multicast stream of the encoder, the decoder sends an IGMP (Internet Group Management Protocol) join message to the port connected to access switch 2, and access switch 2 receives the IGMP (Internet Group Management Protocol) ) joins the message to form a multicast forwarding table, adds an outbound interface and sends an IGMP (Internet Group Management Protocol) join message from the routing port; the core device forms a multicast forwarding table after receiving the IGMP (Internet Group Management Protocol) join message.
  • the item adds the port that received the IGMP (Internet Group Management Protocol) join as an outbound interface. All IGMP (Internet Group Management Protocol) join messages sent by the access switches are terminated after reaching the core device.
  • the core device will not continue to forward IGMP (Internet Group Management Protocol) messages to other access switches connected to the encoder. Since all access switches are connected with codecs and decoders, in order to prevent unknown multicast from flooding The decoder port causes decoder port congestion, and the unknown multicast group flooding function needs to be turned off.
  • IGMP Internet Group Management Protocol
  • access switch 1 After the access switch (access switch 1) connected to the encoder receives the multicast stream sent by the encoder, because the core device does not send IGMP (Internet Group Management Protocol) to access switch 1 to join, the routing port of access switch 1 It is not a user port, and multicast packets will not be forwarded to the core device through the routing port (when unknown multicast flooding is turned off). If the core device cannot receive the multicast stream, access switch 2 cannot pull the multicast stream from access switch 1. In this embodiment, by configuring a port for forwarding unknown multicast packets on access switch 1, unknown multicast packets can be forwarded even when there are no multicast entries (that is, unknown multicast flooding is turned off). Forwarded to access switch 2.
  • IGMP Internet Group Management Protocol
  • Figure 4 is a flowchart 1 of unknown multicast packet forwarding according to this embodiment. As shown in Figure 4, it includes:
  • Step S401 The platform specifies the port as the mrouter port through static configuration. You can specify the mrouter as the port or port + vlan, and deliver the mrouter configuration to the adaptation layer;
  • Step S402 The adaptation layer receives the configuration information sent by the platform, parses out the port configuration information, identifies the operations that need to be performed, stores the data, and sends it to the driver layer;
  • Step S403 The driver layer converts the data into a configuration that can be recognized by the chip, and calls the chip delivery interface to deliver the data;
  • Step S404 After the chip configuration takes effect, when forwarding data, if the multicast packet does not match the multicast entry, the packet needs to be forwarded to the mrouter port.
  • Figure 5 is a flow chart 2 of unknown multicast packet forwarding according to this embodiment. As shown in Figure 5, it includes:
  • Step S501 The platform identifies the mrouter port through the query message, stores the mrouter port information, and delivers the mrouter information to the adaptation layer;
  • Step S402 The adaptation layer receives the configuration information sent by the platform, parses out the port configuration information, identifies the operations that need to be performed, stores the data, and sends it to the driver layer;
  • Step S403 The driver layer converts the data into a configuration that can be recognized by the chip, and calls the chip delivery interface to deliver the data;
  • Step S404 After the chip configuration takes effect, when forwarding data, if the multicast packet does not match the multicast entry, the packet needs to be forwarded to the mrouter port.
  • a multicast message processing device is also provided, which is applied to an access switch connected to an encoder.
  • Figure 6 is a block diagram of a multicast message processing device according to an embodiment of the present disclosure. As shown in Figure 6, the device includes:
  • the first configuration module 62 is configured to configure a port for forwarding unknown multicast packets according to the port configuration information when it is not directly connected to the core device;
  • the sending module 64 is configured to send the unknown multicast message to the core device through the port, so as to forward it to the access switch to which the decoder is connected through the core device.
  • the first configuration module 62 includes:
  • the parsing sub-module is configured to receive and parse the port configuration information through the adaptation layer to obtain the operation data to be processed;
  • the configuration submodule is configured to configure a port for forwarding unknown multicast packets according to the to-be-processed operation data.
  • the configuration sub-module is further configured to store the operation data to be processed through the adaptation layer and send the operation data to be processed to the driver layer; to send the operation data to be processed through the driver layer.
  • the operation data is converted into a format recognized by the chip to obtain the target operation data; the chip's delivery interface is called to deliver the target operation data to the chip; through the chip, the target operation data is sent based on the to-be-processed operation data.
  • the port is configured to forward the unknown multicast packet.
  • the device further includes:
  • the second configuration module is configured to configure the port configuration information through the platform; or, identify the port from the received query message through the platform and store the port configuration information;
  • the first configuration module 62 is further configured to configure the port that filters the unknown multicast packets to not filter the unknown multicast packets.
  • the device further includes:
  • the receiving module is set to receive multicast messages
  • the first determination module is configured to determine whether the multicast message matches a multicast entry
  • the second determination module is configured to determine the multicast packet as the unknown multicast packet when the multicast packet does not match the multicast entry.
  • Embodiments of the present disclosure also provide a computer-readable storage medium that stores a computer program, wherein the computer program is configured to execute the steps in any of the above method embodiments when running.
  • the computer-readable storage medium may include but is not limited to: U disk, read-only memory (Read-Only Memory, referred to as ROM), random access memory (Random Access Memory, referred to as RAM) , mobile hard disk, magnetic disk or optical disk and other media that can store computer programs.
  • ROM read-only memory
  • RAM random access memory
  • mobile hard disk magnetic disk or optical disk and other media that can store computer programs.
  • Embodiments of the present disclosure also provide an electronic device, including a memory and a processor.
  • a computer program is stored in the memory, and the processor is configured to run the computer program to perform the steps in any of the above method embodiments.
  • the above-mentioned electronic device may further include a transmission device and an input-output device, wherein the transmission device is connected to the above-mentioned processor, and the input-output device is connected to the above-mentioned processor.
  • modules or steps of the present disclosure can be implemented using general-purpose computing devices, and they can be concentrated on a single computing device, or distributed across a network composed of multiple computing devices. They may be implemented in program code executable by a computing device, such that they may be stored in a storage device for execution by the computing device, and in some cases may be executed in a sequence different from that shown herein. Or the described steps can be implemented by making them into individual integrated circuit modules respectively, or by making multiple modules or steps among them into a single integrated circuit module. As such, the present disclosure is not limited to any specific combination of hardware and software.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

Des modes de réalisation de la présente invention concernent un procédé et un dispositif de traitement de paquet de multidiffusion, un support de stockage et un dispositif électronique. Le procédé comprend : dans le cas de l'absence de connexion directe à un équipement central, la configuration, conformément à des informations de configuration de port, d'un port pour transférer un paquet de multidiffusion inconnu ; et l'envoi du paquet de multidiffusion inconnu à l'équipement central au moyen du port, de sorte que le paquet de multidiffusion inconnu est transféré, au moyen de l'équipement central, à un commutateur d'accès auquel accède un décodeur. Par conséquent, le problème de l'état de la technique selon lequel une inondation de multidiffusion inconnue est désactivée, un équipement central ne peut pas recevoir un flux de multidiffusion, de sorte qu'un commutateur d'accès d'un décodeur ne peut pas tirer un flux de multidiffusion d'un codeur peut être résolu. Dans le cas où l'inondation de multidiffusion inconnue est désactivée, l'équipement central peut recevoir un flux de multidiffusion d'un codeur et transférer le flux de multidiffusion au commutateur d'accès du décodeur.
PCT/CN2023/086655 2022-07-25 2023-04-06 Procédé et dispositif de traitement de paquet de multidiffusion, support de stockage et dispositif électronique WO2024021672A1 (fr)

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CN202210888295.5A CN117499343A (zh) 2022-07-25 2022-07-25 一种组播报文处理方法、装置、存储介质及电子装置
CN202210888295.5 2022-07-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101159665A (zh) * 2007-08-28 2008-04-09 杭州华三通信技术有限公司 实现未知组播报文向路由器端口转发的方法和装置
US10142129B1 (en) * 2016-09-27 2018-11-27 Juniper Networks, Inc. Bum packet filtering in multi-homed EVPN overlay networks
CN110830371A (zh) * 2019-11-13 2020-02-21 迈普通信技术股份有限公司 报文重定向方法、装置、电子设备及可读存储介质
CN110868353A (zh) * 2018-08-28 2020-03-06 杭州海康威视数字技术股份有限公司 一种报文处理方法及装置
CN114244768A (zh) * 2021-12-23 2022-03-25 北京东土军悦科技有限公司 二层未知组播的转发方法、装置、设备及存储介质

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101159665A (zh) * 2007-08-28 2008-04-09 杭州华三通信技术有限公司 实现未知组播报文向路由器端口转发的方法和装置
US10142129B1 (en) * 2016-09-27 2018-11-27 Juniper Networks, Inc. Bum packet filtering in multi-homed EVPN overlay networks
CN110868353A (zh) * 2018-08-28 2020-03-06 杭州海康威视数字技术股份有限公司 一种报文处理方法及装置
CN110830371A (zh) * 2019-11-13 2020-02-21 迈普通信技术股份有限公司 报文重定向方法、装置、电子设备及可读存储介质
CN114244768A (zh) * 2021-12-23 2022-03-25 北京东土军悦科技有限公司 二层未知组播的转发方法、装置、设备及存储介质

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