WO2023284584A1 - 通信方法和装置 - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
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- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
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Definitions
- multiple terminal devices in this application may refer to multiple or all terminal devices applicable to the first association relationship, and multiple PDU sessions may be understood as multiple terminal devices applicable to the first association relationship. or all PDU sessions. The following will not repeat them.
- the DNS detection information may also include the information of the EASDF's DNS message processing action, so that the EASDF can determine the information of the DNS message processing action based on the detection information, which improves the information processing efficiency.
- the DNS processing parameter can be the DNS extension mechanism client subnet option, or the DNS processing parameter can be FQDN and DNS extension The corresponding relationship between the subnet options of the mechanism client, so that EASDF can determine the ECS option according to the DNS processing parameters, avoid repeated requests and sending of information, reduce signaling interaction, and improve information processing efficiency.
- a communication method includes: the edge application server discovers that the network element EASDF receives at least one set of first association relationships for protocol data unit PDU sessions of multiple terminal devices from the session management function network element SMF , the first association relationship is the corresponding relationship between Domain Name System DNS processing information identification information and DNS processing information; the EASDF receives a first message corresponding to the first PDU session from the SMF, and the first message includes the first Identification information, where the first identification information is DNS processing information identification information corresponding to the first PDU session, and the EASDF determines, according to the first identification information and the first association relationship, that the first PDU session corresponds to DNS processing information.
- the EASDF may determine the processing action for the DNS message according to the first identification information and the first association relationship, so as to avoid repeated requests and sending of information.
- the DNS processing information identification information is a data network access identifier DNAI
- the DNS processing information is a DNS processing parameter
- the DNS processing parameter is fully defined
- the method further includes: the EASDF receives a DNS message from the terminal device; the EASDF according to the first identification information and The DNS message matches the first association relationship; the EASDF determines the local DNS server address by matching the first association relationship; the EASDF sends the DNS message to the local DNS server.
- the DNS processing information identification information is a data network access identification
- the DNS processing information is a DNS processing parameter
- the DNS processing parameter is a local DNS server address
- the first identification information is the first DNAI
- the EASDF is specifically used to receive a DNS message from the terminal device; match the first association relationship according to the first identification information; match the first association relationship, determining the address of the local DNS server; sending the DNS message to the local DNS server; wherein, the first DNAI is the DNAI associated with the location of the terminal device.
- the DNS processing information identification information is a data network access identifier DNAI
- the DNS processing information is a DNS processing parameter
- the DNS processing parameter is fully defined
- the corresponding relationship between the domain name FQDN and DNS processing parameters, the first identification information is the first DNAI, and the EASDF is specifically used for receiving DNS messages from the terminal device; according to the first identification information and the A DNS message, matching the first association relationship; determining a local DNS server address by matching the first association relationship; sending the DNS message to the local DNS server.
- an apparatus in a fifth aspect, is provided, and the apparatus may be an SMF network element.
- the device can also be a chip.
- the device has the function of implementing the SMF network element in any possible implementation manner in the first aspect above. This function may be implemented by hardware, or may be implemented by executing corresponding software on the hardware.
- the hardware or software includes one or more modules or units corresponding to the above functions.
- the first message further includes first indication information, and the first indication information is used to instruct the EASDF to The first association relationship determines DNS processing information corresponding to the first PDU session.
- the transceiver unit is configured to receive a DNS message; the processing unit is configured to receive a DNS message according to the first The identification information and the first association relationship match the DNS message; the processing unit is configured to determine a processing action on the DNS message.
- the DNS processing information identification information is a data network access identifier DNAI
- the DNS processing information is a DNS processing parameter
- the DNS processing parameter is a DNS extension Mechanism client subnet option
- the first identification information is the first DNAI
- the transceiver unit is used to receive DNS messages from the terminal device; the processing unit is used to match the first association according to the first identification information relationship; the processing unit is configured to determine the DNS extension mechanism client subnet option by matching the first association relationship; the processing unit is configured to add the determined DNS extension mechanism client subnet option to the DNS message wherein, the transceiving unit is configured to send the DNS message added with the DNS extension mechanism client subnet option to the DNS server; wherein the first DNAI is the DNAI associated with the location of the terminal device.
- the DNS processing parameter is determined by the SMF according to the deployment information of the edge application server and the deployment information of the user plane network element, and the deployment information of the edge application server
- the information includes one or more of the following: information on the FQDN corresponding to the DNAI, information on the Internet Protocol address of the edge application server, and identification information on the DNS server;
- the deployment information of the user plane network element includes: the user plane network element UPF Correspondence with the DNAI.
- the deployment information of the edge application server includes one or more of the following: information about the fully qualified domain name FQDN corresponding to the data network access identifier DNAI, the edge Information about the Internet Protocol address of the application server and identification information of the DNS server of the domain name system.
- the device is a chip configured in an SMF.
- the communication interface may be an input/output interface.
- the transceiver may be a transceiver circuit.
- the input/output interface may be an input/output circuit.
- the transceiver may be a transceiver circuit.
- the input/output interface may be an input/output circuit.
- processors there are one or more processors, and one or more memories.
- the memory may be integrated with the processor, or the memory may be set separately from the processor.
- a system in a sixteenth aspect, includes the device in the fifth aspect, the device in the sixth aspect, and the device in the seventh aspect.
- FIG. 1 is a system architecture diagram applicable to the embodiment of the present application.
- FIG. 2 is a schematic flow chart of a communication method 200 provided in this application.
- FIG. 1 is a system architecture diagram applicable to the embodiment of the present application. As shown in the figure, the network architecture may specifically include the following network elements:
- Application function network element (Application function, AF): It is used for data routing affected by the application, accessing network opening function network elements, or interacting with the policy framework for policy control, etc.
- Unified data storage function network element (unified data repository, UDR), used for UDM to store or read subscription data and PCF to store or read policy data.
- Network repository function used to store the description information of network functional entities and the services they provide, and support service discovery, network element entity discovery and other functions,
- protocol data unit protocol data unit
- PDU protocol data unit
- a PDU session refers to a communication process between a user terminal UE and a data network DN. After the PDU session is established, a data transmission channel between the UE and the DN is established.
- Each PDU session supports a PDU session type (for example: IPv4, IPv6, IPv4v6, Ethernet (Ethenet), Unstructured (Unstructured)).
- a PDU session can have multiple PDU session anchors (anchor), in order to support the optional routing function to DN and support business and session continuity (service and session continuity, SSC) mode (mode) 3, SMF can control the PDU session
- SSC service and session continuity
- SMF service and session continuity
- the data routing enables this PDU session to have multiple N6 interfaces at the same time, and the UPF of each N6 interface can be called the PDU session anchor point.
- the multi-PDU session anchor point of a single PDU session can be implemented in the following two ways:
- Data network name (data network name, DNN):
- the data network name DNN can be used to select the SMF and UPF to establish a protocol data unit (protocol data unit, PDU) session, and can also be used to determine the policy applied to the PDU session .
- the composition of DNN has two parts: 1) network identification (identification, ID), this part indicates an external network, which is mandatory; 2) operator ID, which indicates which operator it belongs to, and is optional.
- EC edge computing
- the first association relationship is the corresponding relationship between the domain name system DNS processing information identification information and the DNS processing information.
- the SMF may determine the first association relationship according to the acquired second association relationship (that is, the association relationship between UE groupID and EAS deployment information) and the UE group ID.
- the DNS detection information may be used by the EASDF to determine the DNS message processing action corresponding to the DNS message.
- the DNS detection information can be used by the EASDF to match the DNS message to determine a processing action for the DNS message.
- the DNS detection information may include: the range of the fully qualified domain name FQDN and/or the IP address range of the edge application server.
- the DNS detection information may include: the range of the fully qualified domain name (FQDN) and/or the IP address range of the edge application server and information about DNS message processing actions.
- the DNS message processing action may include one or more of the following: reporting DNS messages, reporting DNS content, caching DNS messages, and forwarding DNS messages.
- step 202 the SMF sends to the EASDF at least one set of first association relationships for the protocol data unit PDU sessions of multiple terminal devices.
- the EASDF receives the at least one set of first association relationships for protocol data unit PDU sessions of multiple terminal devices
- the EASDF determines DNS processing information corresponding to the first UE or the first PDU session according to the first identification information and the first association relationship.
- EASDF can match the first association relationship according to the first identification information, and determine the DNS extension mechanism client subnet option by matching the first association relationship, or, EASDF can match the first identification information according to The first association relationship determines the address of the local DNS server by matching the first association relationship.
- the SMF sends the domain name system DNS processing information identification information and the corresponding relationship between the DNS processing information to the EASDF.
- the SMF can send a differentiated EAS to the EASDF based on the difference in session or UE subscription information.
- EASDF can use different DNS to process information, thereby realizing differentiated processing of DNS messages and improving user service experience; on the other hand, it also avoids repeated sending of information, reducing Signaling interaction improves information processing efficiency.
- Step 301 the UDR obtains at least one group of second association relationships, and the second association relationship is user equipment group (UE group) identification (Identifier, ID) information (UE group ID can be Internal Group ID internal group identification or External Group ID The correspondence between the external group identifier) and the deployment information of the edge application server.
- UE group user equipment group
- ID Identity
- ID can be Internal Group ID internal group identification or External Group ID
- the correspondence between the UE group ID and the deployment information of the EAS may be pre-configured on the UDR, or part of the above correspondence may come from the pre-configuration and part from the provision of the AF.
- this step does not need to be performed.
- the SMF locally configures or obtains the UE group ID from the subscription data.
- the SMF determines the first association relationship according to the acquired second association relationship, UE group ID, and rule ID.
- the "node-level DNS context” may include “node-level DNS processing rules", and the “node-level DNS processing rules” may include at least one set of first association relationships.
- the "node-level DNS context” may contain at least one set of associations between rule IDs and “node-level DNS processing rules", wherein each "node-level DNS processing rule” contains a set of DNS detection information.
- the information of this step can be sent through Neasdf_NodeLevelDNSHandlingRules_Create/Update or other messages, which is not limited here.
- the information of this step can be sent through Neasdf_DNSContext_Create/Update Request or other messages, which is not limited here.
- EASDF After EASDF receives the DNS query sent by UE#1, it can execute: (1) Determine the ruleID corresponding to the PDU session according to the IP address of UE#1 and/or the DNN of the PDU session and the session granular DNS context. For example, EASDF can determine the source (source) IP of the DNS query sent by UE#1 as the IP of UE#1, because the IP of UE#1, the DNN and ruleID of the PDU session have been included in the DNS context of session granularity (assuming that UE#1 The ruleID corresponding to 1 is ruleID#1). Therefore, EASDF can determine that the rule ID of UE#1 is rule ID#1 according to the IP address of UE#1 and/or the DNN of the PDU session.
- step 401 reference may be made to step 301 in method 300, and details are not repeated here.
- the DNS processing information identification information is rule ID as an example
- the DNS detection information is: the corresponding relationship between DNAI and ECS option, or the corresponding relationship between DNAI and FQDN and ECS option, or the corresponding relationship between DNAI and the local DNS server The correspondence between addresses, or; the correspondence between DNAI and FQDN and local DNS server addresses.
- the first association relationship b can be used for EASDF to determine the ECS option and the local DNS server address through the DNS processing information identification information (for example, rule ID) corresponding to the UE, without sending a DNS message report to the SMF to request the ECS option or Local DNS server address.
- the first association relationship b may be shown in Table 1 and Table 2 below,
- the SMF locally configures or obtains the UE group ID from the subscription data.
- the SMF locally configures or obtains the rule ID from the PCF network element, where the rule ID corresponds to the UE group ID.
- the SMF determines the first association relationship according to the obtained second association relationship and the UE group ID.
- the SMF determines the first association relationship according to the obtained second association relationship, UE group ID, and UPF deployment information.
- the UPF deployment information is the corresponding relationship between UPF and DNAI, or the corresponding relationship between DNAI and ECS option.
- UPF deployment information can be configured locally in SMF.
- the SMF determines the first association relationship according to the obtained second association relationship, UE group ID, rule ID and UPF deployment information.
- the first association relationship acquired by the SMF may also be a correspondence relationship between "DNS processing information identification information—DNS detection information—DNS processing parameters". It should be noted that the relationship between the three at this time is that the rule ID can be mapped to DNS detection information and DNS processing parameters.
- the first association relationship may be: a corresponding relationship between Domain Name System DNS processing information identification information, DNS detection information, and DNS processing parameters.
- the first association relationship at this time may be: "rule ID—range of FQDN and/or EAS IP range— ⁇ DNAI—(FQDN)—ECS option association relationship ⁇ ", or “rule ID—range of FQDN and/or Or EAS IP range—DNS message processing action— ⁇ DNAI—(FQDN)—ECS option relationship ⁇ ”, or, “rule ID—FQDN range and/or EAS IP range— ⁇ DNAI—(FQDN)—local DNS server Address association relationship ⁇ ”, or, "rule ID—FQDN range and/or EAS IP range—DNS message processing action— ⁇ DNAI—(FQDN)—local DNS server address association relationship ⁇ ".
- the EASDF may acquire at least one set of first association relationships for PDU sessions of multiple UEs, where "multiple UEs" may be understood as multiple or all UEs to which the first association relationship applies.
- the multiple PDU sessions can be understood as multiple or all PDU sessions to which the first association relationship applies.
- the EASDF may simultaneously have the first association relationship a and the first association relationship b.
- At least one set of first association relationships for PDU sessions of multiple UEs may be preconfigured on the EASDF.
- the SMF may send at least one set of first association relationships for PDU sessions of multiple UEs to the EASDF.
- this step may be that the SMF sends a "node-level DNS context" establishment request to the EASDF, and the request includes the first association relationship.
- this step may also be triggered by the SMF receiving a PDU session establishment request, or in other manners, which are not limited here.
- node-level DNS context contains the relationship of "rule ID#1—node-level DNS processing rule #1” and "rule ID#2— ⁇ DNAI2—(FQDN#2)—ECS option# 2 ⁇ ” (that is, the first association relationship b).
- node-level DNS processing rule #1 contains a set of DNS detection information.
- node-level DNS processing rule #1 contains a set of ⁇ range of FQDN ⁇ , or, contains a set of ⁇ range of FQDN, range of EAS IP ⁇ , or, contains a set of ⁇ range of FQDN, range of EAS IP ⁇ , DNS message processing action ⁇ , and so on.
- the "node-level DNS context” may contain at least one set of associations between rule IDs and "node-level DNS processing rules".
- each "node-level DNS processing rule” includes a set of DNS detection information and DNS processing parameters.
- the "node-level DNS context” contains the association relationship of "rule ID#1—node-level DNS processing rule #1", where the node-level DNS processing rule #1 contains a set of DNS detection information and DNS Processing parameters.
- node-level DNS processing rule #1 contains a set of ⁇ FQDN range ⁇ and ⁇ DNAI—(FQDN)—ECS option association relationship ⁇ list, or, contains a set of ⁇ FQDN range, EAS IP range ⁇ and ⁇ DNAI—(FQDN)—ECS option association relationship ⁇ list, or a set of ⁇ FQDN range, EAS IP range, DNS message processing action ⁇ and ⁇ DNAI—(FQDN)—local DNS server address association relationship ⁇ list ,etc.
- the information of this step can be sent through Neasdf_NodeLevelDNSHandlingRules_Create/Update or other messages, which is not limited here.
- steps 401 to 403 are all performed based on node granularity.
- steps 404 - 412 are performed based on session granularity.
- the message #1 (an example of the first message) corresponding to the first PDU session includes a rule ID (an example of the first identification).
- the request includes the IP address of UE#1, the identifier of the DNN of the PDU session, the "processing rule of session granular DNS” and ruleID.
- the ruleID is not included in the "Session Granular DNS Processing Rules", but as an information element paralleled with UE#1IP, DNN of the PDU session, and "Session Granular DNS Processing Rules", in this step, the SMF Send to EASDF.
- the information of this step can be sent through Neasdf_DNSContext_Create/Update Request or other messages, which is not limited here.
- Step 405 UE#1 (an example of the first UE) sends a DNS query (an example of a DNS message) to the EASDF, and the DNS query includes the FQDN.
- EASDF receives DNS query.
- the EASDF may determine the ECS option or the local DNS server address of UE#1 according to the ruleID and the first association relationship b.
- step 407 the EASDF sends a DNS message to the DNS server.
- the corresponding DNS server can receive the DNS message.
- the DNS response may include the EAS IP address.
- the EASDF may match the DNS message according to the rule ID and the first association relationship a, and determine a processing action for the DNS message.
- step 311 in the method 300 which will not be repeated here.
- step 410 the EASDF sends a report message to the SMF, including the FQDN or EAS IP address corresponding to the DNS response.
- EASDF After EASDF receives the DNS response from the DNS server, it will match the FQDN or EAS IP range included in the DNS response. If it is within the FQDN range or EAS IP range, EASDF will send a DNS report message to SMF, including the FQDN or EAS IP range corresponding to the DNS response. EAS IP address.
- step 501 reference may be made to step 301 in method 300, and details are not repeated here.
- the SMF acquires at least one set of first association relationships, where the first association relationship is the correspondence between DNS processing information identification information and DNS processing information.
- the first association relationship in this embodiment may be an association relationship between Domain Name System DNS processing information identification information and DNS processing information parameters.
- the function of the first association relationship in this implementation is that EASDF can subsequently determine the ECS option or the address of the local DNS server according to the DNS message and the first association relationship. Specifically, the EASDF can determine the ECS option or the address of the local DNS server through the corresponding DNAI (and the requested FQDN) of the UE, without sending a DNS message report to the SMF to request the ECS option.
- the EASDF obtains at least one set of first association relationships for PDU sessions of multiple UEs.
- the "node-level DNS context” may include the association relationship between DNS processing information identification information and "node-level DNS processing rules", and the “node-level DNS processing rules" may include DNS processing parameter.
- the "node-level processing rule" includes the ECS option
- the "node-level DNS context” includes the correspondence between one or more sets of DNAI-ECS option
- the "node-level processing rule” includes the "FQDN-ECS option”
- the correspondence between the "node-level DNS context” contains one or more sets of correspondence between DNAI-FQDN-ECS option
- the "node-level processing rules" contains the correspondence between the local DNS server address
- "node “National DNS context” contains one or more sets of correspondences between DNAI-local DNS server addresses
- “node-level processing rules” contains correspondences between "FQDN-local DNS server addresses
- "node-level DNS context contains one or more sets of correspondences between DNAI-FQDN-local DNS server addresses
- the information of this step can be sent through Neasdf_NodeLevelDNSHandlingRules_Create/Update or other messages, which is not limited here.
- the first identifier may be DNS processing information corresponding to the first UE or the first PDU session.
- the request includes the IP address of UE#1, the DNN of the PDU session, the "processing rule of session granular DNS” and the DNAI.
- the DNAI is not included in the "processing rules of session-granular DNS", but is used as an information element paralleled with the IP address of UE#1, the DNN of the PDU session, and the "processing rules of session-granular DNS”. sent by SMF to EASDF.
- Step 505 UE#1 (an example of the first UE) sends a DNS query (an example of a DNS message) to the EASDF, and the DNS query includes the FQDN.
- EASDF receives DNS query.
- Step 506 EASDF determines the ECS option or the local DNS server address of UE#1 according to the DNS query, the session granularity DNS context and the node-level DNS context.
- EASDF determines the ECS option or the local DNS server address according to the DNS query, session granular DNS context and node-level DNS context.
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Abstract
Description
Claims (44)
- 一种通信方法,其特征在于,包括:会话管理功能网元获取至少一组第一关联关系,所述第一关联关系为域名系统DNS处理信息标识信息与DNS处理信息的对应关系;所述会话管理功能网元向边缘应用服务器发现网元发送用于多个终端设备的协议数据单元PDU会话的所述至少一组第一关联关系;所述会话管理功能网元向所述边缘应用服务器发现网元发送第一PDU会话对应的第一消息,所述第一消息中包括第一标识信息,所述第一标识信息为所述第一PDU会话对应的DNS处理信息标识信息,所述第一标识信息用于所述边缘应用服务器发现网元根据所述第一标识信息和所述第一关联关系确定所述第一PDU会话对应的DNS处理信息。
- 根据权利要求1所述的方法,其特征在于,所述DNS处理信息标识信息用于标识所述DNS处理信息,所述DNS处理信息包括:DNS检测信息,和/或,DNS处理参数,所述DNS检测信息包括:全限定域名FQDN的范围和/或边缘应用服务器互联网协议的地址范围,所述DNS处理参数包括DNS扩展机制客户端子网选项或本地DNS服务器地址。
- 根据权利要求2所述的方法,其特征在于,所述DNS检测信息用于所述边缘应用服务器发现网元匹配DNS消息以确定对所述DNS消息的处理动作。
- 根据权利要求2所述的方法,其特征在于,所述DNS处理参数用于所述边缘应用服务器发现网元匹配DNS消息以确定DNS扩展机制客户端子网选项,或者,所述DNS处理参数用于所述边缘应用服务器发现网元匹配DNS消息以确定本地DNS服务器地址。
- 根据权利要求2至4中任一项所述的方法,其特征在于,所述DNS检测信息还包括:根据所述第一标识信息确定的所述边缘应用服务器发现网元对DNS消息处理动作的信息,所述处理动作包括以下一项或多项:上报所述DNS消息、上报所述DNS消息中的内容、缓存所述DNS消息、转发所述DNS消息。
- 根据权利要求2至4中任一项所述的方法,其特征在于,所述DNS处理信息为所述DNS处理参数,所述DNS处理参数为数据网络接入标识信息DNAI与DNS扩展机制客户端子网选项之间的对应关系,或者;所述DNS处理参数为数据网络接入标识信息DNAI与全限定域名FQDN以及DNS扩展机制客户端子网选项之间的对应关系,或者;所述DNS处理参数为数据网络接入标识信息DNAI与本地DNS服务器地址之间的对应关系,或者;所述DNS处理参数为数据网络接入标识信息DNAI与全限定域名FQDN以及本地DNS服务器地址之间的对应关系。
- 根据权利要求2至4中任一项所述的方法,其特征在于,所述DNS处理信息标识信息为数据网络接入标识DNAI。
- 根据权利要求7所述的方法,其特征在于,所述DNS处理信息为所述DNS处理参数,所述DNS处理参数为所述DNS扩展机制客户端子网选项,所述第一标识信息为第一DNAI,所述第一标识信息用于所述边缘应用服务器发现网元匹配所述第一关联关系以确定DNS扩展机制客户端子网选项,其中,所述第一DNAI为与终端设备的位置关联的DNAI。
- 根据权利要求7所述的方法,其特征在于,所述DNS处理信息为DNS处理参数,所述DNS处理参数为全限定域名FQDN与DNS扩展机制客户端子网选项之间的对应关系,所述第一标识信息为第一DNAI,所述第一标识信息和DNS消息用于所述边缘应用服务器发现网元匹配所述第一关联关系以确定DNS扩展机制客户端子网选项,其中,所述第一DNAI为与终端设备的位置关联的DNAI。
- 根据权利要求7所述的方法,其特征在于,所述DNS处理信息为DNS处理参数,所述DNS处理参数为本地DNS服务器地址,所述第一标识信息为第一DNAI,所述第一标识用于所述边缘应用服务器发现网元匹配所述第一关联关系以确定本地DNS服务器地址,其中,所述第一DNAI为与终端设备的位置关联的DNAI。
- 根据权利要求7所述的方法,其特征在于,所述DNS处理信息为DNS处理参数,所述DNS处理参数为FQDN与本地DNS服务器地址之间的对应关系,所述第一标识信息为第一DNAI,所述第一标识信息和DNS消息用于所述边缘应用服务器发现网元匹配所述第一关联关系以确定本地DNS服务器地址,其中,所述第一DNAI为与终端设备的位置关联的DNAI。
- 根据权利要求1至11中任一项所述的方法,其特征在于,所述第一消息中还包括第一指示信息,所述第一指示信息用于指示所述边缘应用服务器发现网元根据所述第一标识信息和所述第一关联关系确定所述第一PDU会话对应的DNS处理信息。
- 一种通信方法,其特征在于,包括:边缘应用服务器发现网元接收来自于会话管理功能网元的用于多个终端设备的协议数据单元PDU会话的至少一组第一关联关系,所述第一关联关系为域名系统DNS处理信息标识信息与DNS处理信息的对应关系;所述边缘应用服务器发现网元从所述会话管理功能网元接收第一PDU会话对应的第一消息,所述第一消息中包括第一标识信息,所述第一标识信息为所述第一PDU会话对应的DNS处理信息标识信息,所述边缘应用服务器发现网元根据所述第一标识信息和所述第一关联关系,确定所述第一PDU会话对应的DNS处理信息。
- 根据权利要求13所述的方法,其特征在于,所述DNS处理信息标识信息用于标识所述DNS处理信息,所述DNS处理信息包括:DNS检测信息,和/或,DNS处理参数,所述DNS检测信息包括:全限定域名FQDN的范围和/或边缘应用服务器互联网协议的地址范围,所述DNS处理参数包括DNS扩展机制客户端子网选项或本地DNS服务器地址。
- 根据权利要求14所述的方法,其特征在于,所述DNS检测信息用于所述边缘应用服务器发现网元匹配DNS消息以确定对所述DNS消息的处理动作。
- 根据权利要求14所述的方法,其特征在于,所述DNS处理参数用于所述边缘应用服务器发现网元匹配DNS消息以确定DNS扩展机制客户端子网选项,或者,所述DNS处理参数用于所述边缘应用服务器发现网元匹配DNS消息以确定本地DNS服务器地址。
- 根据权利要求14至16中任一项所述的方法,其特征在于,所述DNS处理信息为所述DNS检测信息,所述方法还包括:所述边缘应用服务器发现网元接收DNS消息;所述边缘应用服务器发现网元根据所述第一标识信息和所述第一关联关系,匹配所述DNS消息;所述边缘应用服务器发现网元确定对所述DNS消息的处理动作。
- 根据权利要求17所述的方法,其特征在于,所述DNS检测信息还包括:根据所述第一标识信息确定的所述边缘应用服务器发现网元对DNS消息处理动作的信息,所述处理动作包括以下一项或多项:上报所述DNS消息、上报所述DNS消息中的内容、缓存所述DNS消息、转发所述DNS消息。
- 根据权利要求14至16中任一项所述的方法,其特征在于,所述DNS处理信息为所述DNS处理参数,所述DNS处理参数为数据网络接入标识信息DNAI与DNS扩展机制客户端子网选项之间的对应关系,所述方法还包括:所述边缘应用服务器发现网元接收DNS消息;所述边缘应用服务器发现网元根据所述第一标识信息和所述第一关联关系,匹配所述DNS消息;所述边缘应用服务器发现网元通过匹配所述DNS消息,确定所述DNS扩展机制客户端子网选项;所述边缘应用服务器发现网元将确定的所述DNS扩展机制客户端子网选项添加到所述DNS消息中,并发送到DNS服务器。
- 根据权利要求14至16中任一项所述的方法,其特征在于,所述DNS处理信息为所述DNS处理参数,所述DNS处理参数为数据网络接入标识信息DNAI与全限定域名FQDN以及DNS扩展机制客户端子网选项之间的对应关系,所述方法还包括:所述边缘应用服务器发现网元接收DNS消息;所述边缘应用服务器发现网元根据所述第一标识信息和所述第一关联关系,匹配所述DNS消息;所述边缘应用服务器发现网元通过匹配所述DNS消息,确定DNS扩展机制客户端子网选项;所述边缘应用服务器发现网元将确定的所述DNS扩展机制客户端子网选项添加到所述DNS消息中,并发送到DNS服务器。
- 根据权利要求14至16中任一项所述的方法,其特征在于,所述DNS处理信息为所述DNS处理参数,所述DNS处理参数为数据网络接入标识信息DNAI与本地DNS服务器地址之间的对应关系,所述方法还包括:所述边缘应用服务器发现网元接收DNS消息;所述边缘应用服务器发现网元根据所述第一标识信息和所述第一关联关系,匹配所述DNS消息;所述边缘应用服务器发现网元通过匹配所述DNS消息,确定本地DNS服务器地址;所述边缘应用服务器发现网元将所述DNS消息发送到本地DNS服务器。
- 根据权利要求14至16中任一项所述的方法,其特征在于,所述DNS处理信息为所述DNS处理参数,所述DNS处理参数为数据网络接入标识信息DNAI与全限定域名FQDN以及本地DNS服务器地址之间的对应关系,所述方法还包括:所述边缘应用服务器发现网元接收DNS消息;所述边缘应用服务器发现网元根据所述第一标识信息和所述第一关联关系,匹配所述DNS消息;所述边缘应用服务器发现网元通过匹配所述DNS消息,确定本地DNS服务器地址;所述边缘应用服务器发现网元将所述DNS消息发送到本地DNS服务器。
- 根据权利要求14至16中任一项所述的方法,其特征在于,所述DNS处理信息标识信息为数据网络接入标识DNAI。
- 根据权利要求23所述的方法,其特征在于,所述DNS处理信息为所述DNS处理参数,所述DNS处理参数为所述DNS扩展机制客户端子网选项,所述第一标识信息为第一DNAI,所述第一标识信息用于所述边缘应用服务器发现网元匹配所述第一关联关系以确定所述DNS扩展机制客户端子网选项,其中,所述第一DNAI为与终端设备的位置关联的DNAI。
- 根据权利要求23所述的方法,其特征在于,所述DNS处理信息为所述DNS处理参数,所述DNS处理参数为所述本地DNS服务器地址,所述第一标识信息为第一DNAI,所述第一标识信息用于所述边缘应用服务器发现网元匹配所述第一关联关系以确定所述本地DNS服务器地址,其中,所述第一DNAI为与终端设备的位置关联的DNAI。
- 根据权利要求23所述的方法,其特征在于,所述DNS处理信息为DNS处理参数,所述DNS处理参数为所述DNS扩展机制客户端子网选项,所述第一标识信息为第一DNAI,所述方法还包括:所述边缘应用服务器发现网元接收来自于终端设备的DNS消息;所述边缘应用服务器发现网元根据所述第一标识信息,匹配所述第一关联关系;所述边缘应用服务器发现网元通过匹配所述第一关联关系,确定DNS扩展机制客户端子网选项;所述边缘应用服务器发现网元将确定的所述DNS扩展机制客户端子网选项添加到所述DNS消息中,并发送到DNS服务器;其中,所述第一DNAI为与所述终端设备的位置关联的DNAI。
- 根据权利要求23所述的方法,其特征在于,所述DNS处理信息为DNS处理参 数,所述DNS处理参数为全限定域名FQDN与DNS扩展机制客户端子网选项之间的对应关系,所述第一标识信息为第一DNAI,所述方法还包括:所述边缘应用服务器发现网元接收来自于终端设备的DNS消息;所述边缘应用服务器发现网元根据所述第一标识信息和所述DNS消息,匹配所述第一关联关系;所述边缘应用服务器发现网元通过匹配所述第一关联关系,确定DNS扩展机制客户端子网选项;所述边缘应用服务器发现网元将确定的所述DNS扩展机制客户端子网选项添加到所述DNS消息中,并发送到DNS服务器;其中,所述第一DNAI为与所述终端设备的位置关联的DNAI。
- 根据权利要求23所述的方法,其特征在于,如果所述DNS处理信息标识信息为数据网络接入标识,所述DNS处理信息为DNS处理参数,所述DNS处理参数为本地DNS服务器地址,所述第一标识信息为第一DNAI,所述方法还包括:所述边缘应用服务器发现网元接收来自于终端设备的DNS消息;所述边缘应用服务器发现网元根据所述第一标识信息,匹配所述第一关联关系;所述边缘应用服务器发现网元通过匹配所述第一关联关系,确定本地DNS服务器地址;所述边缘应用服务器发现网元将所述DNS消息发送到本地DNS服务器;其中,所述第一DNAI为与终端设备的位置关联的DNAI。
- 根据权利要求23所述的方法,其特征在于,所述DNS处理信息为DNS处理参数,所述DNS处理参数为全限定域名FQDN与DNS处理参数之间的对应关系,所述第一标识信息为第一DNAI,所述方法还包括:所述边缘应用服务器发现网元接收来自于终端设备的DNS消息;所述边缘应用服务器发现网元根据所述第一标识信息和所述DNS消息,匹配所述第一关联关系;所述边缘应用服务器发现网元通过匹配所述第一关联关系,确定本地DNS服务器地址;所述边缘应用服务器发现网元将所述DNS消息发送到本地DNS服务器。
- 根据权利要求13至29中任一项所述的方法,其特征在于,所述第一消息中还包括第一指示信息,所述第一指示信息用于指示所述边缘应用服务器发现网元根据所述第一标识信息和所述第一关联关系确定所述第一PDU会话对应的DNS处理信息。
- 一种通信装置,其特征在于,包括:处理器,所述处理器与存储器耦合;所述存储器用于存储计算机程序;所述处理器用于执行所述存储器中存储的计算机程序,以使得所述通信装置执行如权利要求1至12中任一项所述的通信方法。
- 一种通信装置,其特征在于,包括:处理器,所述处理器与存储器耦合;所述存储器用于存储计算机程序,所述处理器用于执行所述存储器中存储的计算机程序,以使得所述通信装置执行如权利要求13至30中任一项所述的通信方法。
- 一种通信系统,其特征在于,包括如权利要求31所述的装置和如权利要求32中所述的装置。
- 一种计算机可读存储介质,其特征在于,所述存储介质中存储有指令,当所述指令被通信装置执行时,实现如权利要求1至12中任一项所述的方法,或者,实现如权利要求13至30中任一项所述的方法。
- 一种通信方法,其特征在于,包括:会话管理功能网元、边缘应用服务器发现网元,所述会话管理功能网元获取至少一组第一关联关系,所述第一关联关系为域名系统DNS处理信息标识信息与DNS处理信息的对应关系;所述会话管理功能网元向边缘应用服务器发现网元发送用于多个终端设备的协议数据单元PDU会话的所述至少一组第一关联关系;所述边缘应用服务器发现网元接收来自于会话管理功能网元的用于多个终端设备的协议数据单元PDU会话的至少一组第一关联关系;所述会话管理功能网元向所述边缘应用服务器发现网元发送第一PDU会话对应的第一消息,所述第一消息中包括第一标识信息,所述第一标识信息为所述第一PDU会话对应的DNS处理信息标识信息;所述边缘应用服务器发现网元接收来自于所述会话管理功能网元的第一PDU会话对应的第一消息;所述边缘应用服务器发现网元根据所述第一标识信息和所述第一关联关系,确定所述第一PDU会话对应的DNS处理信息。
- 根据权利要求35所述的方法,其特征在于,所述DNS处理信息标识信息用于标识所述DNS处理信息,所述DNS处理信息包括:DNS检测信息,和/或,DNS处理参数,所述DNS检测信息包括:全限定域名FQDN的范围和/或边缘应用服务器互联网协议的地址范围,所述DNS处理参数包括DNS扩展机制客户端子网选项或本地DNS服务器地址。
- 根据权利要求36所述的方法,其特征在于,所述DNS检测信息用于所述边缘应用服务器发现网元匹配DNS消息以确定对所述DNS消息的处理动作。
- 根据权利要求36所述的方法,其特征在于,所述DNS处理参数用于所述边缘应用服务器发现网元匹配DNS消息以确定DNS扩展机制客户端子网选项,或者,所述DNS处理参数用于所述边缘应用服务器发现网元匹配DNS消息以确定本地DNS服务器地址。
- 根据权利要求35至38中任一项所述的方法,其特征在于,所述DNS处理信息标识信息为数据网络接入标识DNAI。
- 根据权利要求39所述的方法,其特征在于,所述DNS处理信息为所述DNS处理参数,所述DNS处理参数为所述DNS扩展机制客户端子网选项,所述第一标识信息为第一DNAI,所述第一标识信息用于所述边缘应用服务器发现网元匹配所述第一关联关系以确定所述DNS扩展机制客户端子网选项,其中,所述第一DNAI为与终端设备的位置关联的DNAI。
- 根据权利要求39所述的方法,其特征在于,所述DNS处理信息为所述DNS处 理参数,所述DNS处理参数为所述本地DNS服务器地址,所述第一标识信息为第一DNAI,所述第一标识用于所述边缘应用服务器发现网元匹配所述第一关联关系以确定所述本地DNS服务器地址,其中,所述第一DNAI为与终端设备的位置关联的DNAI。
- 一种通信装置,其特征在于,包括:一个或多个功能单元,用于使得所述通信装置执行如权利要求1至12中任一项所述的通信方法。
- 一种通信装置,其特征在于,包括:一个或多个功能单元,用于使得所述通信装置执行如权利要求13至30中任一项所述的通信方法。
- 一种通信系统,其特征在于,包括如权利要求42中所述的装置和如权利要求43中所述的装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020247004730A KR20240036599A (ko) | 2021-07-16 | 2022-07-05 | 통신 방법 및 장치 |
EP22841221.9A EP4362512A1 (en) | 2021-07-16 | 2022-07-05 | Communication method and apparatus |
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CN116668511A (zh) * | 2021-07-21 | 2023-08-29 | 腾讯科技(深圳)有限公司 | 一种数据处理方法、网元设备以及可读存储介质 |
CN116260795A (zh) * | 2021-12-10 | 2023-06-13 | 华为技术有限公司 | 选择边缘应用服务器的方法和装置 |
CN116319958A (zh) * | 2021-12-21 | 2023-06-23 | 华为技术有限公司 | 通信方法和装置 |
WO2023141827A1 (en) * | 2022-01-26 | 2023-08-03 | Huawei Technologies Co., Ltd. | Area of interest-specific information for mulit-access edge computing |
WO2023147295A1 (en) * | 2022-01-28 | 2023-08-03 | Qualcomm Incorporated | Discovery of edge application server across networks |
CN116634413A (zh) * | 2022-02-14 | 2023-08-22 | 华为技术有限公司 | 通信方法和装置 |
CN116939036A (zh) * | 2022-03-30 | 2023-10-24 | 华为技术有限公司 | 发现应用服务器的方法和装置 |
CN115001742B (zh) * | 2022-04-26 | 2024-05-17 | 上海网基科技有限公司 | Dns的ecs服务黑名单防护方法、系统及存储介质 |
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