WO2021232920A1 - Procédé de transmission de données, dispositif électronique et support de stockage - Google Patents

Procédé de transmission de données, dispositif électronique et support de stockage Download PDF

Info

Publication number
WO2021232920A1
WO2021232920A1 PCT/CN2021/081631 CN2021081631W WO2021232920A1 WO 2021232920 A1 WO2021232920 A1 WO 2021232920A1 CN 2021081631 W CN2021081631 W CN 2021081631W WO 2021232920 A1 WO2021232920 A1 WO 2021232920A1
Authority
WO
WIPO (PCT)
Prior art keywords
data message
configuration
free
sent
received
Prior art date
Application number
PCT/CN2021/081631
Other languages
English (en)
Chinese (zh)
Inventor
吴勇
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2021232920A1 publication Critical patent/WO2021232920A1/fr

Links

Images

Classifications

    • 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]
    • H04L12/46—Interconnection of networks
    • H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
    • 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]
    • H04L12/46—Interconnection of networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/06—Notations for structuring of protocol data, e.g. abstract syntax notation one [ASN.1]

Definitions

  • This application relates to the field of communications, in particular to data transmission methods, electronic equipment and storage media.
  • the electronic device determines whether the transmitted data message is a legal message by judging whether the address information carried in the MAC-IN-MAC header is the same as its own address.
  • the network address corresponding to the address information used for legality verification generally does not carry other services and is only used for legality verification.
  • the embodiment of the present application provides a data transmission method applied to a network device, including the following steps: when a data message needs to be sent based on a static tunnel, determining whether to allow the data message to be sent in a configuration-free mode; the configuration-free mode is used to indicate When sending a data message, there is no need to encapsulate a preset field in the sent data message; a preset field refers to a field that carries address information for legality verification; when a data message is allowed to be sent in a configuration-free manner, it will The custom field replaces the preset field and is encapsulated in a data message, and the data message is sent.
  • An embodiment of the present application further provides an electronic device, including: at least one processor; and a memory communicatively connected with the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are at least One processor executes, so that at least one processor can execute the above-mentioned data transmission method.
  • the embodiment of the present application also provides a computer-readable storage medium storing a computer program, and the computer program is executed by a processor to implement the above-mentioned data transmission method.
  • Fig. 1 is a schematic diagram of an application scenario of a data transmission method in an embodiment of the present application
  • Fig. 2a is a schematic flowchart of a data transmission method in an embodiment of the application
  • Figure 2b is a schematic diagram of the structure of a data message in an embodiment of the application.
  • FIG. 3 is a schematic flowchart of a data transmission method in another embodiment of this application.
  • FIG. 5 is a schematic diagram of the structure of an electronic device in an embodiment of the application.
  • FIG. 1 is a schematic diagram of an application scenario of a data transmission method provided by an embodiment of the application.
  • this scenario includes a first network device 102 and a second network device 104.
  • the first network device 102 receives a data packet from the user side (User to Network Interface, UNI)
  • the first network device 102 will The data message is sent to the second network device 104, and after receiving the data message, the second network device 104 forwards the data message to the UNI.
  • the first network device 102 and the second network device 104 perform data transmission based on a static tunnel of Multi-Protocol Label Switching (Multi-Protocol Label Switching, MPLS).
  • MPLS Multi-Protocol Label Switching
  • the data transmission path is a fixed path. If the data transmission is still carried out according to the traditional method, the data message needs to carry the address information field for legality verification in each transmission. , Will cause the data transmission process to be not convenient enough.
  • Figure 2a is a schematic flow diagram of a data transmission method in an embodiment of this application. This embodiment relates to a specific process of how to conveniently send a data message in a configuration-free manner. The implementation details of the data transmission method of this embodiment will be described in detail below. The following content is only provided for ease of understanding and is not necessary for the implementation of this solution. As shown in Figure 2a, the method includes the following steps.
  • Step 101 When a data message needs to be sent based on a static tunnel, it is determined whether to allow the data message to be sent in a configuration-free manner.
  • the free configuration mode is used to indicate that when sending a data message, there is no need to encapsulate a preset field in the sent data message;
  • the preset field refers to a field that carries address information used for legality verification.
  • Tunneling technology is a way to transfer data between networks by using the infrastructure of the Internet.
  • the data (or load) transmitted using the tunneling technology can be data frames or packets of different protocols.
  • the tunnel technology re-encapsulates the data frames or packets of these different protocols, so that the data can be routed through the public Internet between the two end points of the tunnel.
  • the logical path through which the encapsulated data packet is transmitted on the public Internet is called a tunnel.
  • a static tunnel is a fixed path through which the logical path of the data packet transmitted between two endpoints traverses.
  • the address resolution protocol (Address Resolution Protocol, ARP) of the next hop of the multi-protocol label switching network is usually obtained first, and the DMAC information in the next hop APR is encapsulated in
  • ARP Address Resolution Protocol
  • the MAC-IN-MAC header in the data message enables the network device of the received data message to determine the legality of the data message according to the DMAC information in the MAC-IN-MAC header.
  • the inventor found that in a static tunnel, the logical path through which a data message is transmitted on the network is a fixed path. There is no need to verify the legality of the data message through the DMAC information in the next hop APR, and the data can also be guaranteed. Security of transmission.
  • the two network devices on the static tunnel can be configured to send data packets in a configuration-free manner that does not require legal verification through preset fields when sending data packets based on the static tunnel according to requirements during the parameter configuration stage.
  • the preset field refers to a field that carries address information used for legality verification.
  • the address information used for legality verification may be the address information in the next-hop APR, which may include virtual local area network (Virtual Local Area Network). Area Network, VLAN) and DMAC information.
  • Step 102 When the data message is allowed to be sent in a configuration-free manner, replace the preset field with the custom field and encapsulate the data message in the data message, and send the data message.
  • the field of the address information used for legality verification can be replaced with a custom field, encapsulated in a data message, and the data message is sent based on a static tunnel.
  • the custom field may be a field obtained according to a setting instruction entered by the user, and its length may be the same as the preset field, as shown in Figure 2b, or may be shorter than the foregoing preset field, which is not limited in the embodiment of the application. .
  • the custom field may also be an empty field as shown in Figure 2b.
  • the preset field is a field that carries address information for legality verification, and when the data message is allowed to be sent in a configuration-free manner, a data message that replaces the preset field with a custom field is sent, that is, That is to say, when this application sends data messages in a configuration-free manner, there is no need to obtain the address information used for legality verification based on the address resolution protocol to form the above-mentioned preset fields; you only need to encapsulate the custom fields in the data message to send , Thereby reducing the processing burden of the data message to be sent, and improving the convenience of sending the data message.
  • the method further includes: if the data message is not allowed to be sent in the configuration-free mode, encapsulating the preset field in the data message and sending the data message .
  • FIG. 3 is a schematic flowchart of a data transmission method in another embodiment of the application. This embodiment describes how to conveniently receive a data message in a configuration-free manner. As shown in Figure 3, the method also includes the following steps.
  • Step 201 When it is necessary to receive a data message based on a static tunnel, it is determined whether to allow the data message to be received in a configuration-free manner.
  • Step 202 If the data message is allowed to be received in a configuration-free manner, when a custom field is encapsulated in the data message, the data message is received.
  • the network address corresponding to the address information used for legality verification generally does not carry other services and is only used for legality verification in order to ensure network security. In other words, there are no other services that can be carried on the network address, resulting in a waste of resources.
  • the network address corresponding to the address information in the preset field can carry other services.
  • the legality of the received data message is verified according to the custom field.
  • the preset field is a MAC-IN-MAC frame header.
  • the MAC-IN-MAC frame header includes virtual local area network (Virtual Local Area Network, VLAN) and DMAC information in an address resolution protocol ARP message.
  • the method further includes: if the data message is not allowed to be received in the configuration-free manner, receiving the data message when a preset field is encapsulated in the data message.
  • the configuration-free mode when the configuration-free mode is also used to indicate that when a data message is received, there is no need to verify the validity of the received data message according to preset fields, and when the data message needs to be received based on a static tunnel, it is determined Whether to allow the data message to be received in the configuration-free mode, and when the data message is allowed to be received in the configuration-free mode, receive the data message encapsulated with a custom field, so that when the data message is allowed to be received in the configuration-free mode, there is no need to follow
  • the preset field verifies the legality of the received data message, that is, it is not necessary to perform legality verification based on the address information specially used for legality verification in the traditional method.
  • the address information used for legality verification The corresponding network address generally does not carry other services, and is only used for legality verification.
  • the data transmission method provided in this application is adopted so that the device corresponding to the address information specially used for legality verification in the traditional method can carry other services and avoid The waste of resources.
  • a network device When a network device sends or receives a data message, it usually sends or receives a data message through a communication port on the network device.
  • a communication port When a communication port sends or receives a data message, it is often divided into multiple logics. Sub-port to send or receive different data packets respectively.
  • the communication port is usually a physical port, such as a network port, and a logical sub-port usually refers to the division of a physical port into multiple logical sub-ports.
  • the network port A is divided into 3 logical sub-ports, and the The port sends data packets to three different addresses, and network port A is the upper-level port of the three logical sub-ports.
  • the configuration-free function of a network device when the configuration-free function of a network device is set to the on state, it usually means that all the communication ports on the network device that are used to send or receive data packets and the corresponding logical sub-ports are turned on for the configuration-free function;
  • the exemption function of a physical port when the exemption function of a physical port is set to the on state, it usually means that the exemption function of all logical sub-ports corresponding to the physical port is turned on; when the exemption function of the logical subport is set to the on state, it usually means that only Turn on the configuration-free function of this logical subport.
  • determining whether to allow the sending or receiving of data packets in a configuration-free manner includes: determining whether the configuration-free function of the network device is enabled; when the configuration-free function of the network device is enabled, allowing Sending or receiving the data message in a configuration mode.
  • the configuration-free function of the network device means that when the network device sends or receives a data message, the sent or received data message does not need to carry the field of address information for legality verification.
  • the above configuration parameters may be stored in a business storage entity, for example, a Field Programmable Gate Array (FPGA) and a Network Process (NP) chip.
  • the network device may first read the configuration parameters stored in the business storage entity, and convert the configuration parameters into parameters suitable for the data structure of the network device, to determine whether the configuration-free function of the network device is enabled.
  • the configuration-free function of the network device is enabled, the network device is allowed to send or receive data packets in a configuration-free manner when sending or receiving data packets.
  • the legality of the received data message is verified according to a custom field.
  • a network device receives a data message encapsulated with a custom field, it can verify the validity of the received data message according to the custom field, and it does not need to verify the validity of the received data message according to the preset field. That is, there is no need to identify the address information for legality verification as in the traditional method, so that the device corresponding to the address information specially used for legality verification in the traditional method can carry other services and avoid waste of resources.
  • determining whether to allow the data message to be sent or received in a configuration-free manner can also be achieved by determining whether the configuration-free function of the designated transmission port of the data message is enabled.
  • the configuration-free function of the network device when the configuration-free function of the network device is not enabled, obtain the designated transmission port of the data message, and determine whether the configuration-free function of the transmission port is enabled; the transmission port is a port in the network device; where, when When the configuration-free function of the transmission port is enabled, data packets are allowed to be sent or received in a configuration-free mode.
  • the exemption function of the network device when the exemption function of the network device is not enabled, data packets are sent or received through the transmission port pre-designated by the label protocol. At this time, it can be further judged whether the exemption function of the transmission port is enabled. It is used to determine whether to send or receive data messages in a configuration-free mode. When the configuration-free function of the transmission port is turned on, it is determined that data packets are allowed to be sent or received in a configuration-free mode.
  • the transmission port is a port used to send or receive data packets in a network device.
  • the designated transmission port of the data packet is determined, and whether the configuration-free function of the transmission port is enabled, so that the data packet can be sent flexibly through the transmission port. According to whether the configuration-free function of the transmission port is turned on, it is determined whether the data message can be sent or received in a configuration-free mode, which improves the flexibility of choosing the way of sending or receiving data messages.
  • the transmission port has a corresponding upper-level port, and is a sub-port of the upper-level port.
  • the transmission port when the transmission port is a logical sub-port of a physical port on the network device, the logical sub-port has a corresponding upper-level port, that is, the physical port on the network device.
  • the configuration-free function of the transmission port it can be to determine whether the configuration-free function of the logical sub-port is enabled, or whether the configuration-free function of the upper-level port of the logical sub-port is enabled, which is not limited in this embodiment of the application.
  • the transmission port has an upper-level port, that is, when the transmission port is a logical sub-port of a physical port, before determining whether the exemption function of the transmission port is enabled, it can also be determined whether the exemption function of the upper-level port is enabled. In one embodiment, it is determined whether the exemption function of the upper-level port is enabled; wherein, when the exemption function of the upper-level port is not enabled, the step of determining whether the exemption function of the transmission port is enabled is entered; when the exemption function of the upper-level port is enabled At the time, it is allowed to send or receive data packets in a configuration-free manner.
  • the configuration-free function of the upper-level port determines whether the configuration-free function of the transmission port is enabled.
  • the configuration-free function of the transmission port is enabled, it is determined that data packets are allowed to be sent or received in a configuration-free manner.
  • the configuration function is not enabled, it is not allowed to send or receive data messages in a configuration-free mode.
  • the configuration-free function of the above-mentioned port is enabled, it is not necessary to determine whether the configuration-free function of the transmission port is enabled, and it is directly determined to allow the transmission or reception of data packets in a configuration-free manner.
  • step 301 it is determined whether the free configuration function of the network device is enabled; if so, step 302 is executed, and if not, step 303 is executed.
  • Step 302 Send or receive a data message in a configuration-free manner.
  • Step 303 Determine whether the transmission port has an upper-level port and is a sub-port of the upper-level port; if it is, step 304 is executed, and if not, step 305 is executed.
  • step 304 it is determined whether the free configuration function of the upper-level port is enabled, if so, step 302 is executed; if not, step 305 is executed.
  • step 305 it is determined whether the free configuration function of the designated transmission port of the data packet is enabled; if so, step 302 is executed.
  • the length of the custom field is less than the length of the preset field.
  • the length of the custom field is less than the length of the preset field.
  • the custom field may also be an empty field.
  • the custom field when sending or receiving data messages, it can be directly forwarded through the MPLS label to complete the sending or receiving of data messages; when the custom field is not empty, it can be read and stored in the business Forward the fields in the entity, determine the custom fields, and encapsulate the custom fields in the data message to send or receive the data message.
  • the length of the custom field is less than the length of the preset field, so that the communication resource occupied by the data message encapsulated with the custom field is less than the communication resource occupied by the data message encapsulated with the preset field. Especially in a transmission scenario with a huge number of data messages, communication resources are effectively saved.
  • the information carried in the custom field is different from the address information of any device in the network.
  • the address information used for legality verification in the traditional method corresponds to The network address generally does not carry other services and is only used for legality verification. Therefore, the data transmission method provided in this application is adopted. Since the information carried in the custom field is the same as the address information of any device in the network device, the network Any of the devices can carry other services, avoiding the waste of resources.
  • the embodiment of the present application also relates to an electronic device. As shown in FIG. 5, it includes at least one processor 401; a memory 402 communicatively connected with the at least one processor 401; The instructions are executed by at least one processor 401, so that the at least one processor 401 can execute the method steps shown in the foregoing method embodiments.
  • the memory 402 and the processor 401 are connected in a bus manner, and the bus may include any number of interconnected buses and bridges, and the bus connects one or more various circuits of the processor 401 and the memory 402 together.
  • the bus can also connect various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all well-known in the art, and therefore, no further description will be given herein.
  • the bus interface provides an interface between the bus and the transceiver.
  • the transceiver may be one element or multiple elements, such as multiple receivers and transmitters, providing a unit for communicating with various other devices on the transmission medium.
  • the data processed by the processor 401 is transmitted on the wireless medium through the antenna, and further, the antenna also receives the data and transmits the data to the processor 401.
  • the processor 401 is responsible for managing the bus and general processing, and can also provide various functions, including timing, peripheral interfaces, voltage regulation, power management, and other control functions.
  • the memory 402 may be used to store data used by the processor 401 when performing operations.
  • the embodiment of the present application also relates to a computer-readable storage medium storing a computer program.
  • the computer program is executed by the processor, the above method embodiment is realized.
  • the program is stored in a storage medium and includes several instructions to enable a device ( It may be a single-chip microcomputer, a chip, etc.) or a processor (processor) that executes all or part of the steps of the methods described in the embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente demande relatifs au domaine des communications concernent en particulier un procédé de transmission de données, un dispositif électronique et un support de stockage. Le procédé consiste : lorsqu'un paquet de données doit être envoyé en fonction d'un tunnel statique, à déterminer si le paquet de données est autorisé à être envoyé dans un mode sans adaptation, le mode sans adaptation indiquant que lorsque le paquet de données est envoyé, il n'est pas nécessaire d'encapsuler un champ prédéfini dans le paquet de données envoyé, et le champ prédéfini étant un champ portant des informations d'adresse utilisées pour la vérification de validité ; et si le paquet de données est autorisé à être envoyé dans le mode sans adaptation, à remplacer le champ prédéfini par un champ personnalisé, et à encapsuler le champ personnalisé dans le paquet de données, et à envoyer le paquet de données.
PCT/CN2021/081631 2020-05-20 2021-03-18 Procédé de transmission de données, dispositif électronique et support de stockage WO2021232920A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010430194.4A CN113709015A (zh) 2020-05-20 2020-05-20 数据传输方法、电子设备及存储介质
CN202010430194.4 2020-05-20

Publications (1)

Publication Number Publication Date
WO2021232920A1 true WO2021232920A1 (fr) 2021-11-25

Family

ID=78645577

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/081631 WO2021232920A1 (fr) 2020-05-20 2021-03-18 Procédé de transmission de données, dispositif électronique et support de stockage

Country Status (2)

Country Link
CN (1) CN113709015A (fr)
WO (1) WO2021232920A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114745176A (zh) * 2022-04-11 2022-07-12 中国南方电网有限责任公司 数据传输控制方法、装置、计算机设备和存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101800750A (zh) * 2010-03-03 2010-08-11 华为技术有限公司 数据传输方法、装置及系统
CN106535170A (zh) * 2016-10-31 2017-03-22 上海斐讯数据通信技术有限公司 一种无线接入设备发现云ac的方法及系统
CN108011824A (zh) * 2016-11-02 2018-05-08 华为技术有限公司 一种报文处理方法以及网络设备
CN110691139A (zh) * 2019-10-11 2020-01-14 北京字节跳动网络技术有限公司 一种数据传输方法、装置、设备及存储介质
CN111327687A (zh) * 2020-01-21 2020-06-23 香港乐蜜有限公司 一种数据传输方法、装置、电子设备及存储介质

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101800750A (zh) * 2010-03-03 2010-08-11 华为技术有限公司 数据传输方法、装置及系统
CN106535170A (zh) * 2016-10-31 2017-03-22 上海斐讯数据通信技术有限公司 一种无线接入设备发现云ac的方法及系统
CN108011824A (zh) * 2016-11-02 2018-05-08 华为技术有限公司 一种报文处理方法以及网络设备
CN110691139A (zh) * 2019-10-11 2020-01-14 北京字节跳动网络技术有限公司 一种数据传输方法、装置、设备及存储介质
CN111327687A (zh) * 2020-01-21 2020-06-23 香港乐蜜有限公司 一种数据传输方法、装置、电子设备及存储介质

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114745176A (zh) * 2022-04-11 2022-07-12 中国南方电网有限责任公司 数据传输控制方法、装置、计算机设备和存储介质

Also Published As

Publication number Publication date
CN113709015A (zh) 2021-11-26

Similar Documents

Publication Publication Date Title
US20220210067A1 (en) Encapsulating data packets using an adaptive tunnelling protocol
US11716669B2 (en) Internet of things service routing method
EP3627773B1 (fr) Méthode et dispositif d'encapsulation de messages basés sur le système bras
US20200186389A1 (en) Virtual Extensible Local Area Network (VXLAN) Packet Encapsulation
CN110505244B (zh) 远程隧道访问技术网关以及服务器
WO2021174943A1 (fr) Procédé et appareil d'acheminement de données, et dispositif et support de stockage
CN103391296A (zh) 一种控制器、转发器及通道建立方法和系统
US20220029915A1 (en) Normalized lookup and forwarding for diverse virtual private networks
WO2021254001A1 (fr) Procédé, appareil et système d'établissement de session, et support de stockage informatique
JP2023543831A (ja) マイクロサービスベースのサービスメッシュシステムおよびサービス指向アーキテクチャ管理方法
EP3032801B1 (fr) Méthode et dispositif de production d'informations de réacheminement
WO2021232920A1 (fr) Procédé de transmission de données, dispositif électronique et support de stockage
CN108462683A (zh) 认证方法和装置
CN112822097A (zh) 报文转发的方法、第一网络设备以及第一设备组
WO2021244356A1 (fr) Procédé et appareil de transmission de données
WO2019134637A1 (fr) Procédé, dispositif et système d'interconnexion de superposition de virtualisation de réseau de type multiple
CN108934058B (zh) 一种通信方法及装置
WO2022007749A1 (fr) Procédé et appareil de transmission de données
CN110620999B (zh) 用户面数据处理方法及装置
CN109661796A (zh) 一种网络互通方法、网元及系统
JP7486597B2 (ja) ダイアルアップ・パケット処理方法、ネットワーク要素、システム、ネットワーク装置
WO2021185253A1 (fr) Procédé de traitement de message de numérotation, éléments de réseau, système, et dispositif de réseau
CN112737915B (zh) 基于智能网卡的内网隧道跨域网关转发方法、系统、设备和介质
WO2024046298A1 (fr) Procédé et appareil de création de réseau virtuel
CN113098856B (zh) 一种透明模式下的虚拟专用网络vpn实现方法及安全设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21808644

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205 DATED 17/04/2023)

122 Ep: pct application non-entry in european phase

Ref document number: 21808644

Country of ref document: EP

Kind code of ref document: A1