WO2020177764A1 - 数据传送的保障方法及通信设备 - Google Patents
数据传送的保障方法及通信设备 Download PDFInfo
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Definitions
- the embodiments of the present disclosure relate to the field of wireless communication technologies, and in particular, to a data transmission guarantee method and communication equipment.
- Non-Public Network NPN
- Non-public network NPN
- non-public networks such as 1) an independent network; 2) a non-independent network; the non-independent network such as a) is a part of the operator's communication network; b) is a slice of the operator's communication network.
- a non-public network subscribed terminal may also subscribe to a public network (referred to as public network for short).
- a public network subscribed terminal may also subscribe to a non-public network at the same time.
- the terminal can access public network services (such as Public Land Mobile Network (PLMN) services) through non-public networks.
- PLMN Public Land Mobile Network
- the terminal can also access non-public network services via the public network (for example, access to selected non-public network services via a PLMN via PLMN).
- the embodiments of the present disclosure provide a data transmission guarantee method and communication equipment, which are used to solve the problem of how to guarantee the service of the second network in the first network when the terminal accesses the network service of the first network through the second network.
- embodiments of the present disclosure provide a data transmission guarantee method, which is applied to a first communication device, and includes:
- the differentiated services code point DSCP corresponding to the IPsec channel of the network protocol security channel
- the first information includes at least one of the following:
- the first QoS information requirement is a QoS information requirement of control signaling or signaling IPsec channel data
- the data type information includes at least one of the following: control signaling of the second network, user plane data of the second network, signaling IPsec channel data, and data IPsec channel data;
- the first DSCP is a DSCP associated with a control signaling or signaling IPsec channel.
- embodiments of the present disclosure provide a method for guaranteeing data transmission, which is applied to a second communication device, and includes:
- the second information includes at least one of the following: data packet related information of the first data, the first data network name DNN, the guaranteed bit rate GBR related service quality QoS parameter information of the first network channel, The mapping strategy of the first network channel, the mapping relationship between DSCP and QoS information, and data monitoring information;
- embodiments of the present disclosure provide a method for guaranteeing data transmission, which is applied to a third communication device, including:
- the first routing information includes at least one of the following:
- the first DNN the first traffic description information
- the first DNN is one of the following:
- the first channel Used by the terminal to request the first channel from the first network; the first channel is used to transmit data between the terminal and the second network, or between the terminal and the proxy network element;
- the first flow description information is the IP description information of the proxy network element.
- embodiments of the present disclosure provide a data transmission guarantee method, which is applied to a fourth communication device, and includes:
- the third information includes at least one of the following: data packet related information of the data in the first network channel, identification information of the second network channel associated with the IPsec channel, QoS information of the second network channel, and first routing information ;
- the first routing information includes at least one of the following:
- the first DNN the first traffic description information
- the first DNN is one of the following:
- the first channel Used by the terminal to request the first channel from the first network; the first channel is used to transmit data between the terminal and the second network, or between the terminal and the proxy network element;
- the first flow description information is the IP description information of the proxy network element.
- embodiments of the present disclosure provide a method for guaranteeing data transmission, which is applied to a fifth communication device, and includes:
- the determining the DSCP corresponding to the IPsec channel includes at least one of the following:
- a separate DSCP is mapped for each IPsec channel, and the QoS information of the second network channel associated with the IPsec channel is at least one of the following: standardized QoS information, high-priority service QoS information, QoS level indication is 1, QoS The level indicator is 5 and the QoS level indicator is 69.
- embodiments of the present disclosure provide a communication device, where the communication device is a first communication device and includes:
- the first obtaining module is used to obtain first information
- the first determining module is configured to determine the DSCP corresponding to the IPsec channel according to the first information
- the first information includes at least one of the following:
- the first QoS information requirement is a QoS information requirement of control signaling or signaling IPsec channel data
- the data type information includes at least one of the following: control signaling of the second network, user plane data of the second network, signaling IPsec channel data, and data IPsec channel data;
- the first DSCP is a DSCP associated with a control signaling or signaling IPsec channel.
- embodiments of the present disclosure provide a communication device, where the communication device is a second communication device and includes:
- the second acquisition module is configured to acquire second information; wherein the second information includes at least one of the following: data packet related information of the first data, the first DNN, GBR related QoS parameter information of the first network channel, and 1.
- the first execution module is configured to execute the first related operation of the first network channel according to the second information.
- embodiments of the present disclosure provide a communication device, where the communication device is a third communication device and includes:
- a sending module for sending the first routing information
- the first routing information includes at least one of the following:
- the first DNN the first traffic description information
- the first DNN is one of the following:
- the first channel Used by the terminal to request the first channel from the first network; the first channel is used to transmit data between the terminal and the second network, or between the terminal and the proxy network element;
- the first flow description information is the IP description information of the proxy network element.
- embodiments of the present disclosure provide a communication device, where the communication device is a fourth communication device and includes:
- the third acquisition module is used to acquire third information
- the second execution module is configured to execute a second related operation of the first network channel according to the third information
- the third information includes at least one of the following: data packet related information of the data in the first network channel, identification information of the second network channel associated with the IPsec channel, QoS information of the second network channel, and first routing information ;
- the first routing information includes at least one of the following:
- the first DNN the first traffic description information
- the first DNN is one of the following:
- the first channel Used by the terminal to request the first channel from the first network; the first channel is used to transmit data between the terminal and the second network, or between the terminal and the proxy network element;
- the first flow description information is the IP description information of the proxy network element.
- embodiments of the present disclosure provide a communication device, where the communication device is a fifth communication device, which includes:
- the second determining module is used to determine the DSCP corresponding to the IPsec channel
- the determining the DSCP corresponding to the IPsec channel includes at least one of the following:
- a separate DSCP is mapped for each IPsec channel, and the QoS information of the second network channel associated with the IPsec channel is at least one of the following: standardized QoS information, high-priority service QoS information, QoS level indication is 1, QoS The level indicator is 5 and the QoS level indicator is 69.
- an embodiment of the present disclosure provides a communication device, including a processor, a memory, and a program stored on the memory and capable of running on the processor.
- embodiments of the present disclosure provide a computer-readable storage medium with a program stored on the computer-readable storage medium, and the program is executed by a processor to implement the data transmission guarantee method provided in the first aspect
- the steps of, or the steps of implementing the method of guaranteeing data transmission provided by the second aspect, or the steps of implementing the method of guaranteeing data transmission provided by the third aspect, or the steps of implementing the method of guaranteeing data transmission provided by the fourth aspect implement the steps of the data transmission guarantee method provided by the fifth aspect.
- the service of the second network when the terminal accesses the network service of the first network through the second network, the service of the second network can be guaranteed in the first network.
- FIG. 1 is a schematic diagram of the architecture of a wireless communication system provided by an embodiment of the disclosure
- FIG. 2 is a schematic diagram of the architecture of a specific application scenario of the wireless communication system shown in FIG. 1;
- Figure 3 is a schematic diagram of a transmission mode for transmitting control signaling of a second network through a first network
- FIG. 4 is a schematic diagram of a transmission mode for transmitting user plane data of a second network through a first network
- FIG. 5 is a schematic flowchart of a data transmission guarantee method according to some embodiments of the present disclosure.
- FIG. 6 is a schematic flowchart of a data transmission guarantee method according to other embodiments of the present disclosure.
- FIG. 7 is a schematic flowchart of a data transmission guarantee method according to still other embodiments of the present disclosure.
- FIG. 8 is a schematic flowchart of a data transmission guarantee method according to still other embodiments of the present disclosure.
- FIG. 9 is a schematic flowchart of data transmission guarantee methods according to still other embodiments of the present disclosure.
- FIG. 10 is a schematic flowchart of a method for ensuring data transmission in application scenario 1 of an embodiment of the disclosure
- FIG. 11 is a schematic flowchart of a method for ensuring data transmission in application scenario 2 according to an embodiment of the disclosure.
- FIG. 12 is a structural diagram of another communication device provided by an embodiment of the disclosure.
- FIG. 13 is a structural diagram of another communication device provided by an embodiment of the disclosure.
- FIG. 14 is a structural diagram of another communication device provided by an embodiment of the disclosure.
- 15 is a structural diagram of another communication device provided by an embodiment of the disclosure.
- 16 is a structural diagram of another communication device provided by an embodiment of the disclosure.
- FIG. 17 is a structural diagram of another communication device provided by an embodiment of the disclosure.
- words such as “exemplary” or “for example” are used as examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiments of the present disclosure should not be construed as being more preferable or advantageous than other embodiments or design solutions. To be precise, words such as “exemplary” or “for example” are used to present related concepts in a specific manner.
- the data transmission guarantee method and communication equipment provided by the embodiments of the present disclosure can be applied to a wireless communication system.
- the wireless communication system may adopt a 5G system, or an evolved Long Term Evolution (eLTE) system, or a subsequent evolved communication system.
- eLTE evolved Long Term Evolution
- FIG. 1 it is a schematic diagram of the architecture of a wireless communication system provided by an embodiment of the present disclosure.
- the terminal 11 includes a terminal 11, a first network 12, and a second network and/or a second network service 13, where the second network service may be a network service supported on a network element of the second network, or Network services accessed through the second network.
- the terminal 11 can access the second network service through the first network 12, or access the second network service through the second network, or can access the second network through the second network after accessing the second network through the first network service.
- FIG. 2 is a schematic diagram of the architecture of the wireless communication system shown in Figure 1 in a specific application scenario.
- a terminal UE establishes a PDU session channel with the first network to access between the first network and the second network Proxy network element (such as non-3GPP Inter Working Function (N3IWF)), the terminal establishes an IPsec channel with the proxy network element to connect to the access mobility management function (Access Management Function, AMF) of the second network.
- AMF access Management Function
- UPF User Plane Function
- Fig. 3 is a schematic diagram of a transmission method for transmitting control signaling between a terminal and a second network through a first network.
- FIG 4 is a schematic diagram of a transmission format for transmitting control signaling between a terminal and a second network through a first network. It can be seen from Figures 3 and 4 that the control signaling between the terminal and the second network is transmitted through the network protocol secure channel (IPsec tunnel, that is, the IPsec channel).
- IPsec tunnel that is, the IPsec channel
- the disadvantage of the architecture of FIG. 2 is that the details of the data between the terminal and the second network are transparent to the first network, and it is impossible to implement Quality of Service (QoS) guarantee.
- QoS Quality of Service
- control signaling is the basis of user plane data transmission.
- the control signaling and user plane data of the second network are mapped to IPsec channel data, currently the first network cannot distinguish the control signaling and user plane data of the second network, nor can it identify which IPsec The channels are used to transmit control signaling of the second network, and which IPsec channels are used to transmit user plane data of the second network.
- Question 2 A method to guarantee QoS maps data to different QoS flows. Different QoS flows have different QoS parameter requirements. According to the QoS parameter requirements of the QoS flow, the effect of guaranteeing the data in the QoS flow is achieved.
- the first network can only see the DSCP (Differentiated Services Code Point) in the IP header corresponding to the IPsec channel between the terminal and the agent network element and the IPsec channel.
- the QoS mapping between the DSCP and the second network depends on the strategy of the second network. The first network does not know the mapping relationship between the DSCP and the QoS information of the second network, and it is not clear what the real QoS information requirements are.
- the DSCP of the signaling IPsec channel is also not fixed.
- Question 3 When the terminal accesses the first network, it can access the services of the first network, the services of the second network (such as IMS services) or other applications. In order to ensure the QoS of the services in the second network, the first network needs Some special QoS mapping strategies. At present, the PDU session established by the terminal does not support the first network to distinguish which is the data of the second network and which is the data of other applications.
- obtaining can be understood as obtaining from configuration, receiving, receiving after request, obtaining through self-learning, obtaining based on unreceived information, or obtaining after processing based on received information. It is determined according to actual needs, and the embodiment of the present disclosure does not limit this. For example, when a certain capability indication information sent by the device is not received, it can be deduced that the device does not support the capability.
- sending may include broadcasting, which is broadcast in a system message and returns after responding to the request.
- the data between the terminal and the second network may be referred to as the information between the terminal and the second network, the information between the terminal and the second network, the data between the terminal and the second network, the terminal and the second network 2.
- Inter-network data or data of the second network may include at least one of the following: control signaling (including NAS signaling) between the terminal and the second network, paging messages of the second network, and the terminal and the second network User plane data between.
- the data between the terminal and the agent network element may be referred to as the information between the terminal and the agent network element, the information between the terminal and the agent network element, the data between the terminal and the agent network element, or the agent network element
- the data may include at least one of the following: signaling IPsec channel data, and data IPsec channel data.
- the second network channel can be understood as a channel between the terminal and the second network.
- the QoS flow of the second network can be understood as the QoS flow between the terminal and the second network.
- the control signaling of the second network can be understood as the control signaling between the terminal and the second network.
- the user plane data of the second network can be understood as the user plane data between the terminal and the second network.
- the DSCP in the data packet related information is included in the TOS (IPv4)/TC (IPv6) of the IP packet header; the protocol domain of the IP packet is Encapsulating Security Payload (ESP),
- the extension header includes the security parameter index (Security Parameter Index, SPI) in the related information of the data packet.
- the value of the service descriptor component type identifier corresponding to the security parameter index type may be 01100,000.
- QoS information includes at least one of the following: QoS class indicator (such as QCI (QoS Class Identifier) or 5QI (5G QoS Identifier)), QoS rules, QoS flow description information, QoS context information, and QoS parameters information.
- QoS class indicator such as QCI (QoS Class Identifier) or 5QI (5G QoS Identifier)
- QoS rules QoS flow description information
- QoS context information may include QoS parameter information.
- the packet filtering information is included in the QoS rules.
- the QoS parameter information may include at least one of the following: QoS level indication information, priority information, packet delay budget, packet error rate, maximum data burst, and whether to guarantee bit rate (Guaranteed Bit Rate) Rate, GBR), whether there is a default average window requirement, default average window, GBR related QoS parameter information.
- the channel is of type GBR, which means that the QoS information of the channel includes GBR-related QoS parameters.
- GBR-related QoS parameter information may include at least one of the following: uplink and/or downlink guaranteed stream bit rate GFBR, uplink and/or downlink maximum stream bit rate MFBR, and uplink and/or downlink GBR, the maximum bit rate MBR for upstream and/or downstream.
- the QoS information requirement may be one of the following: QoS information, QoS requirement; QoS information may be one of the following: QoS information requirement, QoS requirement.
- the QoS level indicator may be referred to as 5QI, QCI (QoS Type Indication) or other names, which is not limited in the present disclosure.
- 5QI can be used as QFI (QoS Flow Identification).
- the packet filter information can be used to map data to a network channel.
- the packet filter information can also be called TFT, SDF, or other names, and this disclosure does not make specific limitations.
- the data packet filtering information, the packet filter information, and the packet filter can represent the same meaning and can be mixed.
- QoS parameter information and QoS parameters can represent the same meaning and can be mixed.
- the QoS level indication information and the QoS level indication can represent the same meaning and can be mixed, and the QoS flow description information and the QoS flow description can represent the same meaning and can be mixed.
- Priority information, QoS priority information, and priority can represent the same meaning and can be mixed.
- the channel between the terminal and the second network may be referred to as the second network channel for short.
- emergency services may also be referred to as emergency voice services.
- the voice service may include the IMS voice service.
- the IMS voice service may include at least one of the following: IMS voice service via 3GPP and IMS voice service via non-3GPP.
- the channel may include at least one of the following: PDU session, Quality of Service (QoS) flow, Evolved Packet System (EPS) bearer, Packet Data Protocol ( Packet Data Protocol (PDP) context, data radio bearer (Data Radio Bearer, DRB), signaling radio bearer (Signalling Radio Bearer, SRB), network security protocol (Internet Protocol Security, IPsec) association.
- QoS Quality of Service
- EPS Evolved Packet System
- DRB Data Radio Bearer
- SRB Signaling radio bearer
- IPsec Internet Protocol Security
- the IPsec channel may be an IPsec Security Association (SA).
- SA IPsec Security Association
- the first IPsec channel may be referred to as one of the following: signaling IPsec SA, IPsec main SA, IPsec SA used to transmit control signaling; or other names, which are not specifically limited in this disclosure.
- the data IPsec channel may be referred to as one of the following: data IPsec SA, IPsec sub-SA, IPsec SA used to transmit user plane data, IPsec SA used to transmit QoS flow data; or adopt other names, which are not specifically limited in this disclosure.
- the first network may be a public network
- the second network may be a non-public network
- the first network may be a non-public network
- the second network may be a public network
- the first network may be a first network
- the second network may be a second non-public network
- the first network may be a first public network
- the second network may be a second public network.
- the non-public network is short for non-public network.
- the non-public network can be called one of the following: non-public communication network.
- the non-public network may include at least one of the following deployment methods: a physical non-public network, a virtual non-public network, and a non-public network implemented on the public network.
- the non-public network is a closed access group (Closed Access Group, CAG).
- a CAG can consist of a group of terminals.
- the non-public network service is short for non-public network service.
- Non-public network services can also be referred to as one of the following: non-public network network services, non-public communication services, non-public network communication services, non-public network network services, or other names. It should be noted that the naming method is not specifically limited in the embodiments of the present disclosure.
- the non-public network is a closed access group, and in this case, the non-public network service is a network service of the closed access group.
- non-public networks may include or be referred to as private networks.
- the private network may be referred to as one of the following: private communication network, private network, local area network (LAN), private virtual network (PVN), isolated communication network, dedicated communication network, or other names. It should be noted that the naming method is not specifically limited in the embodiments of the present disclosure.
- non-public network services may include or be referred to as private network services.
- Private network service can be called one of the following: private network network service, private communication service, private network service, private network service, local area network (LAN) service, private virtual network (PVN) service, isolated communication network service, Dedicated communication network service, dedicated network service or other naming. It should be noted that the naming method is not specifically limited in the embodiments of the present disclosure.
- the public network is short for public network.
- the public network can be called one of the following: public communication network or other names. It should be noted that the naming method is not specifically limited in the embodiments of the present disclosure.
- public network service is short for public network service.
- Public network services can also be referred to as one of the following: public network network services, public communication services, public network communication services, public network network services, or other names. It should be noted that the naming method is not specifically limited in the embodiments of the present disclosure.
- the NG interface may also be called the S1 interface or the N2 interface, and the naming is not limited.
- the communication network element may include at least one of the following: a core network network element and a radio access network network element.
- the network element of the first network includes at least one of the following: a core network network element of the first network and a radio access network network element of the first network.
- the network element of the second network includes at least one of the following: a core network network element of the second network and a radio access network network element of the second network.
- the first network channel is a channel established between the terminal and the first network.
- the second network channel is a channel established between the terminal and the second network.
- the mapping relationship between DSCP and QoS information is the mapping relationship between DSCP and QoS information in the second network.
- the QoS information mapped by the DSCP is QoS information obtained according to the DSCP and the mapping relationship between the DSCP and the QoS information.
- the communication device may include at least one of the following: a communication network element and a terminal.
- the communication network element may include at least one of the following: a core network network element and a radio access network network element.
- the core network element may include but is not limited to at least one of the following: core network equipment, core network nodes, core network functions, core network elements, and mobility management entities (Mobility Management Entity, MME), Access Management Function (AMF), Session Management Function (SMF), User Plane Function (UPF), Serving GW (SGW), PDN Gateway ( PDN Gate Way, PDN Gateway), Policy Control Function (PCF), Policy and Charging Rules Function (PCRF), GPRS Service Support Node (Serving GPRS Support Node, SGSN), Gateway GPRS support node (Gateway GPRS Support Node, GGSN), unified data management (Unified Data Management, UDM), unified data repository (Unified Data Repository, UDR), home subscriber server (Home Subscriber Server, HSS) and application functions (Application Function, AF).
- MME Mobility Management Entity
- AMF Access Management Function
- SMF Session Management Function
- UPF User Plane Function
- SGW Serving GW
- PDN Gateway PDN Gateway
- the RAN network element may include but is not limited to at least one of the following: radio access network equipment, radio access network node, radio access network function, radio access network unit, 3GPP radio access network, non- 3GPP Radio Access Network, Centralized Unit (CU), Distributed Unit (DU), Base Station, Evolved Node B (eNB), 5G Base Station (gNB), Radio Network Controller (Radio) Network Controller, RNC), base station (NodeB), non-3GPP Inter Working Function (N3IWF), access control (Access Controller, AC) node, access point (Access Point, AP) equipment or wireless Local area network (Wireless Local Area Networks, WLAN) node, N3IWF.
- radio access network equipment radio access network node, radio access network function, radio access network unit, 3GPP radio access network, non- 3GPP Radio Access Network, Centralized Unit (CU), Distributed Unit (DU), Base Station, Evolved Node B (eNB), 5G Base Station (gNB), Radio Network Controller (Radio) Network Controller, RNC), base
- the proxy network element is a proxy network element that interacts between the first network and the second network, such as N3IWF.
- the proxy network element may be a network element of the first network element or the second network element.
- the base station can be a base station (BTS, Base Transceiver Station) in GSM or CDMA, a base station (NodeB) in WCDMA, or an evolved base station (eNB or e-NodeB, evolutional Node B) in LTE.
- BTS Base Transceiver Station
- NodeB base station
- eNB evolved base station
- gNB 5G base station
- the terminal may include a relay supporting terminal function and/or a terminal supporting relay function.
- the terminal can also be called a terminal device or a user terminal (User Equipment, UE), and the terminal can be a mobile phone, a tablet (Personal Computer), a laptop (Laptop Computer), a personal digital assistant (Personal Digital Assistant, PDA), Terminal-side devices such as Mobile Internet Device (MID), Wearable Device (Wearable Device), or in-vehicle device, it should be noted that the specific types of terminals are not limited in the embodiments of the present disclosure.
- an embodiment of the present disclosure provides a method for guaranteeing data transmission, which is applied to a first communication device;
- the first communication device includes but is not limited to at least one of the following: proxy network element (such as N3IWF of the second network) );
- the method includes: steps 51 and 52.
- Step 51 Obtain the first information.
- the first information includes at least one of the following:
- the first DSCP The first DSCP.
- the first QoS information requirement is a QoS information requirement of control signaling or signaling IPsec channel data
- the data type information includes at least one of the following: control signaling of the second network, user plane data of the second network, signaling IPsec channel data, and data IPsec channel data;
- the first DSCP is a DSCP associated with a control signaling or signaling IPsec channel.
- Step 52 Determine the DSCP corresponding to the IPsec channel according to the first information.
- the IPsec channel is an IPsec channel between the terminal and the agent network element.
- the second network channel is a channel established between the terminal and the second network, such as a QoS flow.
- control signaling of the second network is control signaling between the terminal and the second network, such as NAS signaling.
- the DSCP corresponding to the IPsec channel is the DSCP in the IP header of the IPsec channel.
- the proxy network element is a proxy network element that interacts between the first network and the second network, such as N3IWF.
- the proxy network element may be the network element of the first network element or the network element of the second network element.
- the mapping relationship between DSCP and QoS information may be a one-to-one mapping relationship between DSCP and QoS information.
- the DSCP and QoS information may be information pre-configured in the first communication device.
- the mapping relationship between DSCP and QoS information includes: a mapping relationship between DSCP and QoS level indication (such as 5QI, or QCI).
- the QoS level indication is mapped to the DSCP one by one. That is, the QoS level indication is different, and the DSCP is different. It is not difficult to understand that through the mapping relationship between DSCP and QoS level indication, the QoS level indication corresponding to DSCP can be inferred.
- only the standardized QoS level indicator sets the one-to-one mapping DSCP.
- the one-to-one mapping DSCP is set for GBR type QoS information.
- the determining the DSCP corresponding to the IPsec channel includes at least one of the following:
- a separate DSCP is mapped for each IPsec channel, and the QoS information of the second network channel associated with the IPsec channel is at least one of the following: standardized QoS information, high-priority service QoS information, QoS level indication is 1, QoS The level indicator is 5 and the QoS level indicator is 69.
- mapping a separate DSCP for each IPsec channel may be mapping different DSCPs for different IPsec channels.
- MPS important high priority service
- determining the DSCP corresponding to the IPsec channel according to the first information includes at least one of the following:
- the second network channel is the second network channel associated with the IPsec channel;
- the DSCP corresponding to the signaling IPsec channel is set as the first DSCP
- the DSCP corresponding to the signaling IPsec channel is set as the DSCP corresponding to the QoS information in the first QoS information requirement.
- setting the DSCP corresponding to the IPsec channel as the DSCP mapped by the QoS information of the second network channel includes: according to the mapping relationship between DSCP and QoS information and the QoS information of the second network channel corresponding to the data IPsec channel, the data The DSCP corresponding to the IPsec channel is set as the DSCP mapped by the QoS information of the second network channel.
- setting the DSCP corresponding to the signaling IPsec channel as the first DSCP includes: setting the DSCP corresponding to the signaling IPsec channel as the first DSCP according to the mapping relationship between the first DSCP and the control signaling.
- the first DSCP may be a DSCP dedicated to signaling IPsec channels or control signaling data.
- the first DSCP may be the DSCP with the highest priority.
- the first DSCP may map a piece of QoS information.
- the QoS information mapped by the first DSCP may be QoS information unique to the second network, or standardized QoS information.
- the data related to the first DSCP (such as the data between the terminal and the second network) is control signaling
- the IPsec channel related to the first DSCP is the signaling IPsec channel
- the QoS guarantee requirements of the control signaling of the second network (such as the control information corresponding to the first DSCP).
- the signaling IPsec channel is an IPsec channel between the terminal and the proxy network element for transmitting control signaling between the terminal and the second network.
- the data IPsec channel is an IPsec channel used to transmit user plane data between the terminal and the second network between the terminal and the proxy network element, or an IPsec channel used to transmit data of the second network channel .
- the data IPsec channel may also be referred to as a sub-IPsec channel.
- the data IPsec channel may be associated with the terminal and the second network channel.
- the QoS information is as described above, for example, includes a QoS level indicator (such as 5QI, QCI).
- a QoS level indicator such as 5QI, QCI.
- the QoS information is required to include QoS information.
- determining the DSCP corresponding to the IPsec channel according to the first information may be determining the DSCP corresponding to the IPsec channel according to the first information when a preset condition is met.
- the preset condition includes at least one of the following:
- the first communication device is used for the terminal to access the second network through the first network
- the first network supports QoS guarantee
- the first communication device is of 3GPP access type
- the first network is a 3GPP type network, and a request for establishing a channel between the terminal and the second network is received;
- receiving the request for establishing a channel between the terminal and the second network is: receiving a request for establishing or modifying a PDU session of the second network, or receiving a request for establishing a Qos flow of the second network .
- receiving the request for modifying the channel between the terminal and the second network is: receiving a request for modifying a PDU session of the second network, or receiving a request for modifying a Qos flow of the second network.
- the channel between the terminal and the second network is a QoS flow of the second network.
- the DSCP corresponding to the IPsec channel is determined based on the QoS information of the second network channel mapped by the IPsec channel.
- the first network can obtain the QoS information of the second network channel according to the DSCP; QoS information, the first network can perform QoS guarantee on the data of the IPsec channel mapped by the second network channel, thereby guaranteeing the data of the second network, so that the data of the second network or the second network service can be guaranteed through the first network effect.
- an embodiment of the present disclosure also provides a data transmission guarantee method, which is applied to a second communication device;
- the second communication device includes but is not limited to communication network elements of the first network (such as UPF, PCF, SMF) Or AMF), the method includes: steps 61 and 62.
- Step 61 Obtain second information.
- the second information includes at least one of the following: data packet related information of the first data, the first data network name (Data Network Name, DNN), GBR related QoS parameter information of the first network channel, and the first network channel.
- the mapping strategy the mapping relationship between DSCP and QoS information, and data monitoring information.
- the first data may be data received by the second communication device, such as data received from a terminal and/or a proxy network element.
- the first data may be data between the terminal and the agent network element, or data between the terminal and the second network.
- Step 62 Perform the first related operation of the first network channel according to the second information.
- the first network channel is a channel established between the terminal and the first network, such as a QoS flow.
- GBR related QoS parameter information is as described above.
- the first network channel is a QoS flow.
- the first network channel may be a QoS flow in a first channel (such as a first PDU session).
- the data packet related information of the first data is obtained from the first data.
- the data packet related information includes at least one of the following: DSCP, SPI (which can be used as an identifier of the IPsec channel), the first DSCP, and the second DSCP.
- the data package related information of the first data may contain the same information as the data package related information.
- the DSCP is associated with the SPI.
- the association of the DSCP and the SPI may be that the DSCP and the SPI are located in the same data packet.
- the SPI can be used to identify the IPsec channel.
- the data of the DSCP is the value of the DSCP field, which is the data packet of the DSCP.
- the data packet related information is any one of the following: data packet related information of data between the terminal and the second network, data in the first PDU session (such as data related to the IP address of the first PDU session) Packet related information, data packet related information of data in the first network channel.
- the first PDU session is a PDU session established between the terminal and the first network and used to transmit data between the terminal and the second network or between the terminal and the proxy network element.
- the first PDU session is a PDU session established by the terminal according to a first DNN request from the first network.
- the DSCP may be used to indicate at least one of the following:
- the QoS information (such as the QoS level indication) mapped by the DSCP.
- DSCP values can be different, and different IPsec channels can be distinguished by different DSCP.
- DSCP may be used as the identifier of the IPsec channel.
- the QoS information mapped by the DSCP may include at least one of the following:
- QoS information of the second network (such as QoS level indication)
- QoS information requirements of IPsec channels i.e. QoS information
- QoS information of the second network channel (such as QoS flow) associated with the IPsec channel.
- the IPsec channel may be an IPsec channel indicated by the SPI associated with the DSCP.
- the QoS information of different second networks corresponding to the same DSCP may be different.
- different first DNNs correspond to different second networks.
- the DSCP and the first DNN can determine the QoS information indicating the DSCP mapping.
- the SPI associated with the DSCP and the first DSCP may indicate at least one of the following: the QoS information requirement of the IPsec channel indicated by the SPI is the QoS information mapped by the DSCP, The QoS information requirement of the second network channel associated with the IPsec channel indicated by the SPI is the QoS information mapped by the DSCP.
- the DSCP may include at least one of the following: a first DSCP and a second DSCP.
- the first DSCP is a DSCP associated with control signaling or signaling IPsec channel.
- the first DSCP may be located in the DSCP position in the IP header of the signaling IPsec channel data.
- the first DSCP may be used to indicate at least one of the following:
- Control signaling (such as non-access stratum NAS signaling);
- control signaling may be control signaling of the second network, or control signaling between the terminal and the second network.
- the signaling IPsec channel may include one of the following: a signaling IPsec channel between the terminal and the proxy network element, an IPsec channel indicated by the first DSCP, and an IPsec channel indicated by the SPI associated with the first DSCP.
- the QoS information mapped by the first DSCP may include at least one of the following:
- the first DSCP of different second networks may be different.
- different first DNNs correspond to different second networks.
- the first DSCP indicating the second network can be determined through the first DSCP and the first DNN.
- the first DSCP is located in the IP header of the signaling IPsec channel data, and the value may be different from the second DSCP.
- the first PDU session is as described above.
- the SPI associated with the first DSCP and the first DSCP may indicate: the IPsec channel indicated by the SPI is a signaling IPsec channel, and the signaling IPsec channel corresponds to The QoS information requirement is the QoS information mapped by the first DSCP.
- the second DSCP is a DSCP associated with user plane data or a data IPsec channel.
- the second DSCP may be located in the IP header (such as TOS(IPv4)/TC(IPv6)) of the data IPsec channel.
- the second DSCP may be used to indicate at least one of the following:
- the data IPsec channel may include one of the following: a data IPsec channel between the terminal and the proxy network element, an IPsec channel indicated by the second DSCP, and an IPsec channel indicated by the SPI associated with the second DSCP.
- the QoS information mapped by the second DSCP may include at least one of the following:
- QoS information requirements of the data IPsec channel i.e. QoS information
- QoS information of the second network channel (such as QoS flow) associated with the data IPsec channel.
- the second DSCP is located in the IP header of the data IPsec channel data, and the value may be different from the first DSCP.
- the first PDU session is as described above.
- the second DSCP and the SPI associated with the second DSCP may indicate at least one of the following: the QoS information requirement corresponding to the IPsec channel indicated by the SPI is the second DSCP mapping
- the QoS information of the SPI, the QoS information requirement of the second network channel associated with the IPsec channel indicated by the SPI is the QoS information mapped by the second DSCP.
- mapping strategy of the first network channel may include at least one of the following:
- the agreement between the first network operator and the second network operator may include at least one of the following: IP triplet information of the proxy network element (such as the N3IWF of the second network), whether the second network requires QoS distinction, Whether the second network needs QoS guarantee, the mapping relationship between DSCP and QoS (such as the mapping relationship between DSCP and QoS in the second network).
- IP triplet information of the proxy network element such as the N3IWF of the second network
- whether the second network requires QoS distinction Whether the second network needs QoS guarantee
- the mapping relationship between DSCP and QoS such as the mapping relationship between DSCP and QoS in the second network.
- the agreement between the first network operator and the second network operator is an agreement between the first network operator and the second network operator related to the access to the second network through the first network or the proxy network element (eginteroperators'agreements).
- at least one of the following can be determined according to the first DNN and/or the agreement between the first network operator and the second network operator: the mapping relationship between DSCP and QoS information, the mapping strategy of the first network channel, and data monitoring information (For example, packet flow description PFD, Packet Flow Description).
- the data monitoring information may be used by the gateway (such as the PDU session of the first channel) to monitor the first data.
- the SMF sends the data packet related information of the first data to the PCF.
- the PCF may decide whether to establish the first network channel and how to configure the QoS information and/or data packet filtering information of the first network channel according to the first DNN and/or data packet related information of the first data.
- the new DSCP means that in the first channel (such as the first PDU session), there is no first network channel (such as QoS flow) corresponding to the DSCP or the data packet filtering information of the existing first network channel is not Contains the DSCP.
- the new SPI means that in the first channel (such as the first PDU session), there is no first network channel (such as QoS flow) corresponding to the SPI or the data packet filtering information of the existing first network channel is not Contains the SPI.
- the data monitoring information includes at least one of the following: data monitoring information identification (such as PFD id), triple information of the proxy network element, important part of the URL to be matched, domain name matching conditions, and information about applicable protocols information.
- data monitoring information identification such as PFD id
- triple information of the proxy network element important part of the URL to be matched
- domain name matching conditions information about applicable protocols information.
- the triple information of the proxy network element may include at least one of the following: a target IP address or an IPv6 network prefix (the target IP address or IPv6 network prefix of the proxy network element), a target port number (the proxy network element’s Destination port number), the protocol ID of the protocol above IP (protocol ID of the protocol above IP).
- the protocol identifier of the protocol over IP may be ESP.
- the ESP corresponds to the IPsec channel protocol.
- the protocol identifier may also be referred to as a protocol field (Protocol field).
- the data monitoring information may be data monitoring information of the first PDU session. In an implementation manner, the determined data monitoring information is sent to the UPF of the first PDU session, and the data packet related information of the first data is obtained through UPF monitoring according to the data monitoring information.
- the execution of the first related operation of the first network channel includes at least one of the following:
- IPsec channel is a data IPsec channel
- determining the QoS information requirement of the first data includes: determining the QoS information requirement of the first data as the QoS information mapped by the DSCP.
- determining the QoS information requirements of the IPsec channel includes at least one of the following:
- the QoS information requirement of the data IPsec channel is the QoS information mapped by the second DSCP.
- the QoS information requirement of the first data can be determined according to the DSCP.
- the QoS information requirement of the IPsec channel can be determined according to the DSCP and/or the SPI.
- the QoS information requirement of the signaling IPsec channel can be determined according to the first DSCP and/or the SPI.
- the QoS information requirements of the signaling IPsec channel include: the QoS information requirements of the control signaling of the second network. It is not difficult to understand that since the signaling IPsec channel contains the control signaling of the second network, the QoS information requirement of the IPsec channel may be the QoS information of the control signaling of the second network.
- the QoS information requirement of the data IPsec channel can be determined according to the second DSCP and/or the SPI.
- the QoS information requirement of the data IPsec channel includes: the QoS information of the second network channel. It is not difficult to understand that since the data IPsec channel contains the data of the second network, the QoS information requirement of the IPsec channel may be the QoS information of the second network channel.
- determining that the first data is data of a signaling IPsec channel according to the second information includes: determining that the first data is data of a signaling IPsec channel according to the first DSCP.
- determining that the first data is data of a signaling IPsec channel includes: determining that the first data is control signaling of a second network.
- determining that the first data is data of a data IPsec channel according to the second information includes: determining that the first data is data of a data IPsec channel according to the second DSCP.
- the IPsec channel indicated by the SPI is a data IPsec channel.
- determining that the first data is data of a data IPsec channel includes: determining that the first data is user plane data of a second network. It is not difficult to understand that the data IPsec channel is user plane data of the second network. When it is confirmed that the first data is data of the data IPsec channel, it can be confirmed that the first data is user plane data of the second network.
- determining that the IPsec channel is a signaling IPsec channel includes: determining, according to the first DSCP and the SPI, that the IPsec channel indicated by the SPI is a signaling IPsec channel.
- determining that the IPsec channel is a data IPsec channel includes: determining, according to the second DSCP and the SPI, that the IPsec channel indicated by the SPI is a data IPsec channel.
- the performing the mapping operation of the first network channel includes at least one of the following:
- mapping operation of the first network channel related to the IPsec channel includes at least one of the following:
- the data packet filtering information of the first network channel mapped by the IPsec channel is set to one of the following: the SPI of the IPsec channel and the DSCP associated with the IPsec channel.
- the type of the data packet filtering information of the first network channel mapped by the IPsec channel is set to one of the following: DSCP type and SPI type;
- determining the QoS information of the first network channel mapped by the IPsec channel includes at least one of the following:
- the QoS information of the first network channel mapped by the IPsec channel is determined.
- performing the first network channel mapping operation related to the signaling IPsec channel includes at least one of the following:
- the relevant information for determining the data packet filtering of the first network channel mapped by the signaling IPsec channel includes at least one of the following:
- the packet filtering information of the first network channel mapped by the signaling IPsec channel to one of the following: the first DSCP, the SPI of the signaling IPsec channel;
- the type of the data packet filtering information of the first network channel mapped by the signaling IPsec channel to one of the following: DSCP type, SPI type.
- determining the QoS information of the first network channel mapped by the signaling IPsec channel includes at least one of the following:
- the SPI and the first DSCP of the signaling IPsec channel may be data packet related information of the same data.
- the first network channel mapped by the signaling IPsec channel may only be used to transmit data of the signaling IPsec channel or control signaling of the second network.
- the QoS information of the first network channel mapped by the signaling IPsec channel is determined according to the mapping strategy of the first DSCP and the first network channel.
- the mapping strategy of the first network channel is a channel mapping strategy determined according to the first DNN.
- performing the first network channel mapping operation related to data IPsec channel mapping includes at least one of the following:
- the data IPsec channel maps the QoS information of the first network channel.
- the information related to the data packet filtering that determines that the data IPsec channel maps the first network channel includes at least one of the following:
- the SPI and the second DSCP of the data IPsec channel may be the data packet related information of the same data.
- determining the QoS information of the data IPsec channel mapping the first network channel includes at least one of the following:
- performing the DSCP-related first network channel mapping operation includes at least one of the following:
- the relevant information for determining the data packet filtering of the first network channel mapped by the DSCP includes at least one of the following:
- the DSCP -Set the data packet filtering information of the first network channel mapped by the DSCP to one of the following: the SPI associated with the DSCP, the DSCP;
- the type of the data packet filtering information of the first network channel mapped by the DSCP to one of the following: DSCP type, SPI type.
- determining the QoS information of the first network channel mapped by the DSCP includes: setting the QoS information of the first network channel mapped by the DSCP as the QoS information mapped by the DSCP.
- performing the first network channel mapping operation related to the first DSCP includes at least one of the following:
- the relevant information for determining the data packet filtering of the first network channel mapped by the first DSCP includes at least one of the following:
- the packet filtering information of the first network channel mapped by the first DSCP to one of the following: the SPI associated with the first DSCP, the first DSCP;
- the type of the data packet filtering information of the first network channel mapped by the first DSCP to one of the following: DSCP type, SPI type.
- determining the QoS information of the first network channel mapped by the first DSCP includes at least one of the following:
- the first network channel mapped by the first DSCP may only be used to transmit data of the signaling IPsec channel or control signaling of the second network.
- the mapping strategy of the first network channel is a strategy determined by the first network for the first DNN.
- performing the first network channel mapping operation related to the second DSCP includes at least one of the following:
- the relevant information for determining the data packet filtering of the first network channel mapped by the second DSCP includes at least one of the following:
- the type of the data packet filtering information of the first network channel mapped by the second DSCP to one of the following: DSCP type, SPI type.
- determining the QoS information of the first network channel mapped by the second DSCP includes at least one of the following:
- the mapping strategy of the first network channel is a strategy determined by the first network for the first DNN.
- the mapping relationship between DSCP and QoS information, the mapping rule from DSCP to the first network channel, and the mapping rule from IPsec channel to the first network channel can be obtained according to the first DNN.
- an embodiment of the present disclosure provides a method for guaranteeing data transmission, which is applied to a third communication device;
- the third communication device includes but is not limited to at least one of the following: core network element (such as the core of the first network) Network element (such as PCF, AMF); the method includes:
- Step 71 Send the first routing information.
- the first routing information includes at least one of the following: first DNN, first traffic description information (Traffic descriptor)
- the first flow description information may be the IP description information of the proxy network element.
- the proxy network element may be a proxy network element between the first network and the second network.
- the proxy network element is a proxy network element that interacts between the first network and the second network, such as N3IWF.
- the proxy network element may be the first network element or the network element of the second network (such as N3IWF).
- the IP description information of the proxy network element can be IP triplet information, which can include: target IP address or IPv6 network prefix (the IP address of the proxy network element or IPv6 network prefix), and the target port number (the target port number of the proxy network element) , Protocol ID of the protocol above IP (protocol ID of the protocol above IP).
- the protocol identifier of the protocol over IP may be ESP.
- the ESP corresponds to the IPsec channel protocol.
- the protocol identifier may also be referred to as a protocol field (Protocol field).
- the first DNN is one of the following:
- Configure DNN also known as APN
- the terminal is used to request the first channel (such as the first PDU session) from the first network; the first channel is used to transmit data between the terminal and the second network, or between the terminal and the proxy network element.
- the first channel such as the first PDU session
- the data between the terminal and the second network may include at least one of the following: control signaling (such as NAS signaling) between the terminal and the second network, and user plane data between the terminal and the second network.
- control signaling such as NAS signaling
- user plane data between the terminal and the second network.
- the first routing information is sent to the terminal through a UE Route Selection Policy Rule (URSP, UE Route Selection Policy Rule).
- URSP UE Route Selection Policy Rule
- the UE routing policy rule contains the first flow description information.
- the DNN in the routing description information corresponding to the first traffic description information is the first DNN.
- the first routing information is sent.
- the agreement between the first network operator and the second network operator is an agreement between the first network operator and the second network operator related to the access to the second network through the first network or the proxy network element (eginter operators'agreements)
- the agreement between the first network operator and the second network operator includes at least one of the following: IP triplet information of the proxy network element (such as the N3IWF of the second network), whether the second network requires QoS distinction, and whether the second network requires QoS guarantee, the mapping relationship between DSCP and QoS (such as the mapping relationship between DSCP and QoS in the second network).
- IP triplet information of the proxy network element such as the N3IWF of the second network
- whether the second network requires QoS distinction and whether the second network requires QoS guarantee
- the mapping relationship between DSCP and QoS such as the mapping relationship between DSCP and QoS in the second network.
- the present disclosure also provides a method for guaranteeing data transmission, which is applied to the fourth communication unit;
- the fourth communication device includes but is not limited to a terminal, and the method includes steps 81 and 82.
- Step 81 Obtain third information.
- the third information includes at least one of the following: data packet related information of the data in the first network channel, identification information of the second network channel associated with the IPsec channel, QoS information of the second network channel, and first routing information .
- Step 82 Perform a second related operation of the first network channel according to the third information.
- the IPsec channel is an IPsec channel between the terminal and the agent network element.
- the first routing information is as described in the embodiment of FIG. 7.
- the QoS information is as described above.
- the execution of the second related operation of the first network channel includes at least one of the following:
- the updated QoS flow description information is sent to the first network, and the updated QoS flow description information includes the second QoS parameter information related to GBR of the network channel.
- the proxy network element is a proxy network element that interacts between the first network and the second network, such as N3IWF.
- the proxy network element may be a network element of the first network element or the second network element.
- GBR-related QoS parameter information is as described above.
- the data packet-related information in the first network channel is data packet-related information, which is specifically described in the embodiment of FIG. 6 and will not be repeated here.
- the data packet filtering information (such as uplink data packet filtering information) of the first network channel is one of the following: The SPI, the SPI corresponding to the DSCP, and the DSCP.
- the identifier of the second network channel associated with the IPsec channel in the data packet related information of the data in the first network channel, and/or the QoS information of the second network channel Determine the QoS information of the second network channel associated with the IPsec channel indicated by the SPI or the SPI associated with the DSCP.
- an embodiment of the present disclosure provides a data transmission guarantee method, which is applied to a fifth communication device;
- the fifth communication device includes but is not limited to at least one of the following: proxy network element (such as N3IWF of the second network) );
- the method includes:
- Step 91 Determine the DSCP corresponding to the IPsec channel.
- the determining the DSCP corresponding to the IPsec channel includes at least one of the following:
- a separate DSCP is mapped for each IPsec channel, and the QoS information of the second network channel associated with the IPsec channel is at least one of the following: standardized QoS information, high-priority service QoS information, QoS level indication is 1, QoS The level indicator is 5 and the QoS level indicator is 69.
- the determining the DSCP corresponding to the IPsec channel includes:
- the preset condition includes at least one of the following:
- the fifth communication device is used for the terminal to access the second network through the first network
- the first network supports QoS guarantee
- the fifth communication device is of 3GPP access type
- the first network is a 3GPP type network and receives a request for establishing a channel between the terminal and the second network;
- the service quality of the service of the second network can be guaranteed in the first network.
- Application scenario 1 of the embodiment of the present disclosure mainly describes the process in which the terminal obtains the configuration information of the first DNN from the first network and establishes the first PDU session according to the first DNN.
- the agent network element is an agent (such as N3IWF) between the first network and the second network, and may be a communication network element of the first network or a communication network element of the second network.
- AMF represents the first network AMF
- SMF represents the first network SMF
- UPF represents the first network UPF
- PCF represents the first network PCF
- RAN network element represents the first network RAN network element.
- the data transmission guarantee method involved includes the following steps: 101 to 110.
- Step 101 The PCF sends the first routing information of the terminal to the AMF (specifically as shown in Figure 7).
- the first routing information includes at least one of the following: a first DNN, and first traffic description information (Traffic Descriptor).
- the first traffic description information may be the IP description information of the proxy network element (as described in Figure 7)
- the first DNN is as shown in FIG. 7.
- the PCF may determine the first DNN according to the agreement between the first network and the second network operator.
- Step 102 The AMF sends the first routing information to the UE.
- the AMF may send the first URSP to the UE through a UE configuration update request message.
- the first URSP includes first routing information.
- the first routing information is as described in the embodiment of FIG. 7.
- Step 103 The UE sends a UE configuration update response message to the first network AMF.
- Step 104 AMF sends a response message to PCF.
- Step 105 When it is necessary to access the second network through the first network, the UE uses the first DNN to request the first network to establish a first PDU session. Optionally, the UE sends a NAS message to the AMF, and the NAS message contains the first DNN and PDU session establishment request message.
- Step 106 AMF sends PDU Session_Create Session Management Context to SMF.
- the PDU session_create session management context includes the first DNN.
- Step 107 The SMF sends a session management_policy association modification request to the PCF.
- the session management_policy association modification request includes the first DNN.
- the PCF obtains the second information; in one implementation, the second information includes: the first DNN;
- performing the first related operation of the first network channel includes: determining the data monitoring information (specifically as shown in FIG. 6).
- the PCF obtains the first DNN, determines the data monitoring information related to the first PDU session according to the first DNN, and sends it to the UPF of the first PDU session through SMF.
- Step 108 The SMF sends a session management_policy association modification response to the PCF.
- the session management_policy association modification response includes the data monitoring information of the first PDU session.
- Step 109 SMF sends an N4 session modification request to UPF.
- the N4 session modification request includes data monitoring information of the first PDU session.
- the UPF may monitor the data in the first PDU session according to the data establishment information.
- Step 110 The remaining process of establishing the first PDU session.
- the application scenario 2 of the embodiment of the present disclosure mainly describes that after the terminal (using the UE as an example) establishes the first PDU session according to the first DNN, after the UPF detects the first data (such as the data between the terminal and the proxy network element), After notifying the PCF, the PCF initiates the first network channel mapping process.
- the agent network element is an agent (such as N3IWF) between the first network and the second network, and may be a communication network element of the first network or a communication network element of the second network.
- AMF represents the first network AMF
- SMF represents the first network SMF
- UPF represents the first network UPF
- PCF represents the first network PCF
- RAN network element represents the first network RAN network element.
- the involved data transmission method includes the following steps: 1101 to 1106.
- Step 1101 The UE establishes a first network PDU (Protocol Data Unit) session (referred to as the first PDU session for short) with the first network through the first DNN.
- the first network PDU session is used to transfer data between the terminal and the proxy network element or between the terminal and the second network.
- the data between the terminal and the second network may be control signaling and/or user plane data.
- Step 1102 According to the data monitoring information, the UPF monitors the data packet related information of the first data.
- the first data may be data related to the IP address of the first PDU session.
- the UPF sends an N4 report to the SMF, and the N4 report may include the data packet related information of the first data.
- Step 1103 The SMF sends a session management_policy association modification request to the PCF.
- the session management_policy association modification request may include data packet related information of the first data.
- the PCF obtains the first DNN information when the UE requests the establishment of the first PDU session.
- the PCF obtains at least one of the following according to the first DNN, the mapping strategy of the first network channel, the mapping relationship between DSCP and QoS information, and data monitoring information.
- the PCF obtains the second information;
- the second information includes at least one of the following: data packet related information of the first data, the first DNN, the mapping strategy of the first network channel, the mapping between DSCP and QoS information relationship;
- the first related operation of the first network channel is specifically described in the embodiment of FIG. 6.
- Step 1104 the PCF sends the SMF to the SMF and sends the session management_policy association modification response to the PCF.
- the response message may include QoS information and/or data packet filtering related information of the newly added QoS flow (as described in FIG. 6).
- the response message includes newly authorized QoS rules and/or newly authorized QoS flow descriptions.
- the newly authorized QoS rule includes the data packet filtering related information of the QoS flow; the QoS flow description authorized by the information includes the QoS information of the newly added QoS flow.
- Step 1105 the SMF triggers the PDU session modification process according to the PCF's response, and modifies the first PDU session, adding authorized QoS rules and/or adding authorized QoS flow descriptions.
- Step 1106 the terminal may initiate a PDU session modification request process to the SMF to request to modify the QoS flow description of the first PDU session.
- the modified QoS flow is described as a request to modify the QoS information of the QoS flow to GBR-related QoS parameter information; the GBR-related QoS parameter information may be GBR-related QoS parameter information in the QoS information of the second network channel.
- the data of the second network channel or the data of the IPsec channel associated with the second network channel is mapped on the QoS flow (ie, the first network channel).
- the data related to the filtering of load data packets will be sent through the QoS flow, and it is not difficult to understand QoS guarantee.
- the data between the terminal and the second network can be guaranteed in the first network, especially the data of important services. effect.
- the communication device is a first communication device.
- the communication device 120 includes:
- the first obtaining module 121 is configured to obtain first information
- the first determining module 122 is configured to determine the DSCP corresponding to the IPsec channel according to the first information
- the first information includes at least one of the following:
- the first QoS information requirement is a QoS information requirement of control signaling or signaling IPsec channel data
- the data type information includes at least one of the following: control signaling of the second network, user plane data of the second network, signaling IPsec channel data, and data IPsec channel data;
- the first DSCP is a DSCP associated with a control signaling or signaling IPsec channel.
- the first determining module 122 is specifically configured to perform at least one of the following:
- a separate DSCP is mapped for each IPsec channel, and the QoS information of the second network channel associated with the IPsec channel is at least one of the following: standardized QoS information, high-priority service QoS information, QoS level indication is 1, QoS The level indicator is 5 and the QoS level indicator is 69.
- the first determining module 122 is specifically configured to perform at least one of the following:
- the second network channel is the second network channel associated with the IPsec channel;
- the DSCP corresponding to the signaling IPsec channel is set as the first DSCP
- the DSCP corresponding to the signaling IPsec channel is set as the DSCP corresponding to the QoS information in the first QoS information requirement.
- the first determining module 122 is specifically configured to:
- the preset condition includes at least one of the following:
- the first communication device is used for the terminal to access the second network through the first network
- the first network supports QoS guarantee
- the first communication device is of 3GPP access type
- the first network is a 3GPP type network, and receives a request for establishing a channel between the terminal and the second network;
- the communication device 120 can implement the various processes implemented in the method embodiment shown in FIG. 5 of the present disclosure and achieve the same beneficial effects. To avoid repetition, details are not repeated here.
- an embodiment of the present disclosure provides a communication device.
- the communication device is a second communication device.
- the communication device 130 includes:
- the second acquiring module 131 is configured to acquire second information; wherein the second information includes at least one of the following: data packet related information of the first data, the first DNN, GBR related QoS parameter information of the first network channel, The mapping strategy of the first network channel, the mapping relationship between DSCP and QoS information, and data monitoring information;
- the first execution module 132 is configured to execute a first related operation of the first network channel according to the second information.
- the data packet related information includes at least one of the following:
- the first DSCP is a DSCP associated with a control signaling or signaling IPsec channel
- the second DSCP is a DSCP associated with user plane data or a data IPsec channel.
- the first execution module 132 is specifically configured to execute at least one of the following:
- IPsec channel is a data IPsec channel
- the first execution module 132 is specifically configured to execute at least one of the following:
- the QoS information requirement of the data IPsec channel is the QoS information mapped by the second DSCP.
- the first execution module 132 is specifically configured to execute at least one of the following:
- the first execution module 132 is specifically configured to execute at least one of the following:
- the first execution module 132 is specifically configured to execute at least one of the following:
- the first execution module 132 is specifically configured to execute at least one of the following:
- the first DSCP determining that the first data is data of a signaling IPsec channel
- the second DSCP determining that the first data is data of a data IPsec channel
- the IPsec channel indicated by the SPI is a data IPsec channel.
- the communication device 130 can implement the various processes implemented in the method embodiment shown in FIG. 6 of the present disclosure and achieve the same beneficial effects. To avoid repetition, details are not repeated here.
- an embodiment of the present disclosure provides a communication device.
- the communication device is a third communication device.
- the communication device 140 includes:
- the sending module 141 is configured to send the first routing information
- the first routing information includes at least one of the following:
- the first DNN the first traffic description information
- the first DNN is one of the following:
- the first channel Used by the terminal to request the first channel from the first network; the first channel is used to transmit data between the terminal and the second network, or between the terminal and the proxy network element;
- the first flow description information is the IP description information of the proxy network element.
- the communication device 140 can implement the various processes implemented in the method embodiment shown in FIG. 7 of the present disclosure and achieve the same beneficial effects. To avoid repetition, details are not described herein again.
- an embodiment of the present disclosure provides a communication device, where the communication device is a fourth communication device.
- the communication device 150 includes:
- the third obtaining module 151 is used to obtain third information
- the second execution module 152 is configured to execute a second related operation of the first network channel according to the third information
- the third information includes at least one of the following: data packet related information of the data in the first network channel, identification information of the second network channel associated with the IPsec channel, QoS information of the second network channel, and first routing information ;
- the first routing information includes at least one of the following:
- the first DNN the first traffic description information
- the first DNN is one of the following:
- the first channel Used by the terminal to request the first channel from the first network; the first channel is used to transmit data between the terminal and the second network, or between the terminal and the proxy network element;
- the first flow description information is the IP description information of the proxy network element.
- the second execution module 152 is specifically configured to execute at least one of the following:
- the updated QoS flow description information is sent to the first network, and the updated QoS flow description information includes the second QoS parameter information related to GBR of the network channel.
- the second execution module 152 is specifically configured to execute at least one of the following:
- the upstream data packet filtering information of the first network channel is one of the following:
- the SPI, the SPI corresponding to the DSCP, and the DSCP are identical to the SPI, the SPI corresponding to the DSCP, and the DSCP.
- the communication device 150 can implement the various processes implemented in the method embodiment shown in FIG. 8 of the present disclosure and achieve the same beneficial effects. To avoid repetition, details are not described herein again.
- the communication device is a fifth communication device.
- the communication device 160 includes:
- the second determining module 161 is configured to determine the DSCP corresponding to the IPsec channel
- the determining the DSCP corresponding to the IPsec channel includes at least one of the following:
- a separate DSCP is mapped for each IPsec channel, and the QoS information of the second network channel associated with the IPsec channel is at least one of the following: standardized QoS information, high-priority service QoS information, QoS level indication is 1, QoS The level indicator is 5 and the QoS level indicator is 69.
- the second determining module 161 is specifically configured to;
- the preset condition includes at least one of the following:
- the fifth communication device is used for the terminal to access the second network through the first network
- the first network supports QoS guarantee
- the fifth communication device is of 3GPP access type
- the first network is a 3GPP type network and receives a request for establishing a channel between the terminal and the second network;
- the communication device 160 can implement the various processes implemented in the method embodiment shown in FIG. 9 of the present disclosure and achieve the same beneficial effects. To avoid repetition, details are not repeated here.
- FIG. 17 is a schematic structural diagram of another communication device provided by an embodiment of the present disclosure.
- the communication device 170 includes: a processor 171, a memory 172, and the The program running on the processor, the components of the communication device 170 are coupled together through the bus interface 173, and the program can be executed by the processor 171 to implement the processes implemented in the method embodiment shown in FIG. 5 , Or, implement each process implemented in the method embodiment shown in FIG. 6, or implement each process implemented in the method embodiment shown in FIG. 7, or implement each process implemented in the method embodiment shown in FIG.
- the process, or each process implemented in the method embodiment shown in FIG. 9 is implemented, and the same technical effect can be achieved. In order to avoid repetition, it will not be repeated here.
- the embodiment of the present disclosure also provides a computer-readable storage medium on which a program is stored, and when the program is executed by a processor, each process implemented in the method embodiment shown in FIG. 5 is realized, or, Implement each process implemented in the method embodiment shown in FIG. 6, or implement each process implemented in the method embodiment shown in FIG. 7, or implement each process implemented in the method embodiment shown in FIG. 8, or , Each process implemented in the method embodiment shown in FIG. 9 is implemented, and the same technical effect can be achieved. To avoid repetition, details are not described here.
- the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
- the method of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. ⁇
- the technical solution of the present disclosure essentially or the part that contributes to the related technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk). ) Includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present disclosure.
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Abstract
Description
Claims (25)
- 一种数据传送的保障方法,应用于第一通信设备,包括:获取第一信息;根据所述第一信息,确定网络协议安全通道IPsec通道对应的差分服务代码点DSCP;其中,所述第一信息包括以下至少一项:第二网络通道的服务质量QoS信息、数据类型信息、差分服务代码点DSCP与QoS信息的映射关系、第一QoS信息要求、第一DSCP;所述第一QoS信息要求为控制信令或信令IPsec通道数据的QoS信息要求;所述数据类型信息包括以下至少一项:第二网络的控制信令、第二网络的用户面数据、信令IPsec通道数据、数据IPsec通道数据;所述第一DSCP为控制信令或信令IPsec通道关联的DSCP。
- 根据权利要求1所述的方法,其中,所述确定IPsec通道对应的DSCP,包括以下至少一项:将信令IPsec通道数据对应的DSCP设置为第一DSCP;为每个IPsec通道映射单独的DSCP;为每个IPsec通道映射单独的DSCP,且所述IPsec通道关联的第二网络通道为GBR类型;为每个IPsec通道映射单独的DSCP,且所述IPsec通道关联的第二网络通道的QoS信息为以下至少一项:标准化的QoS信息、高优先级业务的QoS信息、QoS等级指示为1、QoS等级指示为5、QoS等级指示为69。
- 根据权利要求1所述的方法,其中,所述根据所述第一信息,确定IPsec通道对应的DSCP,包括以下至少一项:根据所述第二网络通道的QoS信息和/或所述DSCP与QoS信息的映射关系,确定所述IPsec通道对应的DSCP;所述第二网络通道为所述IPsec通道关联的第二网络通道;根据所述第一信息,将信令IPsec通道对应的DSCP设置为第一DSCP;根据所述DSCP与QoS信息的映射关系和/或所述第一QoS信息要求,将信令IPsec通道对应的DSCP设置为所述第一QoS信息要求中的QoS信息对应的DSCP。
- 根据权利要求1或2所述的方法,其中,所述根据所述第一信息,确定IPsec通道对应的DSCP,包括:在满足预设条件时,根据所述第一信息,确定所述IPsec通道对应的DSCP;其中,所述预设条件包括以下至少一项:所述第一通信设备用于终端通过第一网络接入第二网络;第一网络支持QoS保障;所述第一通信设备是3GPP接入类型;第一网络为3GPP类型的网络,且接收所述终端与所述第二网络通道建立请求;接收所述终端与所述第二网络通道修改请求;执行所述终端与所述第二网络通道到IPsec通道的映射操作;创建所述IPsec通道。
- 一种数据传送的保障方法,应用于第二通信设备,包括:获取第二信息;其中,所述第二信息包括以下至少一项:第一数据的数据包相关信息、第一数据网络名称DNN、第一网络通道的保证比特速率GBR相关服务质量QoS参数信息、第一网络通道的映射策略、差分服务代码点DSCP与QoS信息的映射关系、数据监测信息;根据所述第二信息,执行第一网络通道的第一相关操作。
- 根据权利要求5所述的方法,其中,所述数据包相关信息包括以下至少一项:DSCP、安全参数索引SPI、第一DSCP、第二DSCP;其中,所述第一DSCP为控制信令或信令IPsec通道关联的DSCP,所述第二DSCP是用户面数据或数据IPsec通道关联的DSCP。
- 根据权利要求6所述的方法,其中,所述执行第一网络通道的第一相关操作,包括以下至少一项:确定第一数据的QoS信息要求;确定IPsec通道的QoS信息要求;确定第一数据为信令IPsec通道的数据;确定第一数据为数据IPsec通道的数据;确定IPsec通道为信令IPsec通道;确定IPsec通道为数据IPsec通道;确定数据监测信息;执行第一网络通道的映射操作。
- 根据权利要求7所述的方法,其中,所述确定第一数据的QoS信息要求,包括:确定所述第一数据的QoS信息要求为所述DSCP映射的QoS信息;和/或确定IPsec通道的QoS信息要求,包括以下至少一项:确定所述SPI指示的IPsec通道的QoS信息要求为所述DSCP映射QOS信息;确定信令IPsec通道的QoS信息要求为所述第一DSCP映射的QoS信息;确定数据IPsec通道的QoS信息要求为所述第二DSCP映射的QoS信息。
- 根据权利要求7所述的方法,其中,所述执行第一网络通道的映射操作,包括以下至少一项:执行IPsec通道相关的第一网络通道的映射操作;执行DSCP相关的第一网络通道的映射操作。
- 根据权利要求9所述的方法,其中,所述执行IPsec通道相关的第一网络通道的映射操作,包括以下至少一项:为不同的IPsec通道映射不同的第一网络通道;确定IPsec通道映射的第一网络通道的数据包过滤的相关信息;确定IPsec通道映射的第一网络通道的QoS信息;执行信令IPsec通道相关的第一网络通道映射操作;执行数据IPsec通道相关的第一网络通道映射操作。
- 根据权利要求9所述的方法,其中,所述执行DSCP相关的第一网络通道映射操作,包括以下至少一项:为不同的DSCP映射不同的第一网络通道;为不同的DSCP对应IPsec通道映射不同的第一网络通道;确定DSCP映射的第一网络通道的数据包过滤的相关信息;确定DSCP映射的第一网络通道的QoS信息;执行第一DSCP相关的第一网络通道映射操作;执行第二DSCP相关的第一网络通道映射操作。
- 根据权利要求7所述的方法,其中,所述确定第一数据为信令IPsec通道的数据,包括:根据所述第一DSCP,确定所述第一数据为信令IPsec通道的数据;和/或,所述确定第一数据为数据IPsec通道的数据,包括:根据所述第二DSCP,确定所述第一数据为数据IPsec通道的数据;和/或,所述确定IPsec通道为信令IPsec通道,包括:根据所述第一DSCP和所述SPI,确定所述SPI指示的IPsec通道为信令IPsec通道;和/或,所述确定IPsec通道为数据IPsec通道,包括:根据所述第二DSCP和所述SPI,确定所述SPI指示的IPsec通道为数据IPsec通道。
- 一种数据传送的保障方法,应用于第三通信设备,包括:发送第一路由选择信息;其中,所述第一路由选择信息包括以下至少一项:第一数据网络名称DNN、第一流量描述信息;所述第一DNN为以下之一:为通过第一网络接入第二网络或代理网元配置DNN;用于终端向第一网络请求第一通道;所述第一通道用于传送终端与第二 网络间数据,或终端与代理网元间数据;所述第一流量描述信息为代理网元的IP描述信息。
- 一种数据传送的保障方法,应用于第四通信设备,包括:获取第三信息;根据所述第三信息,执行第一网络通道的第二相关操作;其中,所述第三信息包括以下至少一项:第一网络通道中数据的数据包相关信息、网络协议安全通道IPsec通道关联的第二网络通道的标识信息、第二网络通道的服务质量QoS信息、第一路由选择信息;其中,所述第一路由选择信息包括以下至少一项:第一数据网络名称DNN、第一流量描述信息;所述第一DNN为以下之一:为通过第一网络接入第二网络或代理网元配置DNN;用于终端向第一网络请求第一通道;所述第一通道用于传送终端与第二网络间数据,或终端与代理网元间数据;所述第一流量描述信息为代理网元的IP描述信息。
- 根据权利要求14所述的方法,其中,所述执行第一网络通道的第二相关操作,包括以下至少一项:当通过第一网络接入第二网络或代理网元时,利用所述第一DNN请求第一网络建立协议数据单元PDU会话;根据所述第一网络通道中数据的数据包相关信息,确定第一网络通道的数据包过滤信息;当第一网络通道对应的IPsec通道关联的第二网络通道的QoS信息为保证比特速率GBR类型时,向第一网络发送更新的QoS流描述信息,且所述更新的QoS流描述信息中包含所述第二网络通道的GBR相关的QoS参数信息。
- 根据权利要求15所述的方法,其中,所述根据所述第一网络通道中数据的数据包相关信息,确定第一网络通道的数据包过滤信息,包括:根据所述第一网络通道中数据的数据包相关信息中的安全参数索引SPI和/或差分服务代码点DSCP,确定第一网络通道的上行数据包过滤信息为以 下之一:所述SPI、所述DSCP对应的SPI、所述DSCP。
- 一种数据传送的保障方法,应用于第五通信设备,包括:确定网络协议安全通道IPsec通道对应的差分服务代码点DSCP;其中,所述确定IPsec通道对应的DSCP,包括以下至少一项:为每个IPsec通道映射单独的DSCP;为每个IPsec通道映射单独的DSCP,且所述IPsec通道关联的第二网络通道为保证比特速率GBR类型;为每个IPsec通道映射单独的DSCP,且所述IPsec通道关联的第二网络通道的服务质量QoS信息为以下至少一项:标准化的QoS信息、高优先级业务的QoS信息、QoS等级指示为1、QoS等级指示为5、QoS等级指示为69。
- 根据权利要求17所述的方法,其中,所述确定IPsec通道对应的DSCP,包括:在满足预设条件时,根据所述第一信息,确定所述IPsec通道对应的DSCP;其中,所述预设条件包括以下至少一项:所述第五通信设备用于终端通过第一网络接入第二网络;第一网络支持QoS保障;所述第五通信设备是3GPP接入类型;第一网络为3GPP类型的网络,且接收所述终端与所述第二网络通道建立请求;接收所述终端与所述第二网络通道修改请求;执行所述终端与所述第二网络通道到IPsec通道的映射操作;创建所述IPsec通道。
- 一种通信设备,所述通信设备为第一通信设备,包括:第一获取模块,用于获取第一信息;第一确定模块,用于根据所述第一信息,确定网络协议安全通道IPsec通道对应的差分服务代码点DSCP;其中,所述第一信息包括以下至少一项:第二网络通道的服务质量QoS信息、数据类型信息、差分服务代码点 DSCP与QoS信息的映射关系、第一QoS信息要求、第一DSCP;所述第一QoS信息要求为控制信令或信令IPsec通道数据的QoS信息要求;所述数据类型信息包括以下至少一项:第二网络的控制信令、第二网络的用户面数据、信令IPsec通道数据、数据IPsec通道数据;所述第一DSCP为控制信令或信令IPsec通道关联的DSCP。
- 一种通信设备,所述通信设备为第二通信设备,包括:第二获取模块,用于获取第二信息;其中,所述第二信息包括以下至少一项:第一数据的数据包相关信息、第一数据网络名称DNN、第一网络通道的保证比特速率GBR相关服务质量QoS参数信息、第一网络通道的映射策略、差分服务代码点DSCP与QoS信息的映射关系、数据监测信息;第一执行模块,用于根据所述第二信息,执行第一网络通道的第一相关操作。
- 一种通信设备,所述通信设备为第三通信设备,包括:发送模块,用于发送第一路由选择信息;其中,所述第一路由选择信息包括以下至少一项:第一数据网络名称DNN、第一流量描述信息;所述第一DNN为以下之一:为通过第一网络接入第二网络或代理网元配置DNN;用于终端向第一网络请求第一通道;所述第一通道用于传送终端与第二网络间数据,或终端与代理网元间数据;所述第一流量描述信息为代理网元的IP描述信息。
- 一种通信设备,所述通信设备为第四通信设备,包括:第三获取模块,用于获取第三信息;第二执行模块,用于根据所述第三信息,执行第一网络通道的第二相关操作;其中,所述第三信息包括以下至少一项:第一网络通道中数据的数据包相关信息、网络协议安全通道IPsec通道关联的第二网络通道的标识信息、第二网络通道的服务质量QoS信息、第一路由选择信息;其中,所述第一路由选择信息包括以下至少一项:第一数据网络名称DNN、第一流量描述信息;所述第一DNN为以下之一:为通过第一网络接入第二网络或代理网元配置DNN;用于终端向第一网络请求第一通道;所述第一通道用于传送终端与第二网络间数据,或终端与代理网元间数据;所述第一流量描述信息为代理网元的IP描述信息。
- 一种通信设备,所述通信设备为第五通信设备,包括:第二确定模块,用于确定网络协议安全通道IPsec通道对应的差分服务代码点DSCP;其中,所述确定IPsec通道对应的DSCP,包括以下至少一项:为每个IPsec通道映射单独的DSCP;为每个IPsec通道映射单独的DSCP,且所述IPsec通道关联的第二网络通道为保证比特速率GBR类型;为每个IPsec通道映射单独的DSCP,且所述IPsec通道关联的第二网络通道的服务质量QoS信息为以下至少一项:标准化的QoS信息、高优先级业务的QoS信息、QoS等级指示为1、QoS等级指示为5、QoS等级指示为69。
- 一种通信设备,包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序,其中,所述程序被所述处理器执行时实现如权利要求1至4中任一项所述的数据传送的保障方法的步骤,或者,实现如权利要求5至12中任一项所述的数据传送的保障方法的步骤,或者,实现如权利要求13所述的数据传送的保障方法的步骤,或者,实现如权利要求14至16中任一项所述的数据传送的保障方法的步骤,或者,实现如权利要求17或18所述的数据传送的保障方法的步骤。
- 一种计算机可读存储介质,其中,所述计算机可读存储介质上存储有程序,所述程序被处理器执行时实现如权利要求1至4中任一项所述的数据传送的保障方法的步骤,或者,实现如权利要求5至12中任一项所述的数据传送的保障方法的步骤,或者,实现如权利要求13所述的数据传送的保障方法的步骤,或者,实现如权利要求14至16中任一项所述的数据传送的保 障方法的步骤,或者,实现如权利要求17或18所述的数据传送的保障方法的步骤。
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