Huawei Technologies Co., Limited

Tsinghua University

Longyu Cao

Yanping Zhang

Lin Shu

Runze Zhou

Yijun Yu

Zhiming Li

Yaoguang Wang

Fenqin Zhu

Hui Jin

Wei Liu

Guowei Ouyang

Yue He

Qiang Yi

Huan Yan

Depeng Jin

Gangjie He

Yu Liu

Dong Li

Yong Yu

Yexing Li

Mingdong Li

Enbo Wang

Mingyang Zhang

Dongrun Qin

The present disclosure provides a service traffic steering method and an apparatus, to improve user experience. The method includes: A first network device determines at least one second terminal device, where first quality of experience corresponding to a first service flow of the at least one second terminal device does not meet target quality of experience corresponding to the first service flow of the at least one second terminal device. The first network device determines a target radio access network device, where the target radio access network device meets the target quality of experience corresponding to the first service flow of the at least one second terminal device. The first network device connects the first service flow of the at least one second terminal device to the target radio access network device.

Service traffic steering method and apparatus

A communication method and apparatus are provided. A first network element receives a policy creation request from a second network element, wherein a type of a policy requested to be created includes an intent policy or a non-intent policy; and sends a policy processing request to a third network element, wherein the policy processing request includes a policy type identifier, and the policy type identifier indicates that the policy is the intent policy or the non-intent policy. According to the present disclosure, policy execution reliability is improved.

Communication method, apparatus, and system

Embodiments of this application provide methods, apparatuses, and systems for physical cell identifier (PCI) conflict detection and optimization. One method includes: receiving a PCI conflict detection notification message for triggering the control network element to perform PCI conflict detection; determining that a PCI conflict exists in at least two cells; determining whether the at least two cells are managed by the control network element; in response to determining that the at least two cells are cells managed by the control network element, performing PCI optimization on PCI conflicted cells managed by the control network element, wherein the PCI conflicted cells comprise the at least two cells; and in response to determining that at least one of the at least two cells is not a cell managed by the control network element, sending a PCI optimization request message to a first management network element, wherein the PCI optimization request message requests the first management network element to perform PCI optimization.

PCI conflict detection and optimization method, apparatus, and system

This application discloses a communication method and a communications apparatus. A first radio network management function network element that can provide a service-based interface is introduced between an access network element and a core network element. In this way, service invocation may be performed with the access network element by invoking a service-based interface of the first radio network management function network element, and service invocation may also be performed with the core network element by invoking a service-based interface of the first radio network management function network element.

Communication method and communications apparatus

One example method includes receiving, by a first mobility management network element, a first cell identifier and a network identifier from a first network element, where the network identifier includes an identifier of a first private network and an identifier of a second private network. The first mobility management network element can then obtain information about a second network element based on the first cell identifier and the network identifier, where the first network element serves a terminal device in the first private network, and where the second network element serves the terminal device in the second private network. The first mobility management network element can then send the first cell identifier and the network identifier to the second network element indicated by the information about the second network element, where the first cell identifier and the network identifier are used to obtain downlink routing information.

Communication method, device, and system

This application provides a signaling transmission interface compatibility method and apparatus. The method includes: A first network element obtains capability information of an access and mobility management function network element, where the capability information is used to indicate that the access and mobility management function network element has a capability of performing signaling transmission with a radio access network through a target interface function network element. The first network element selects the target interface function network element based on the capability information, where the target interface function network element is used for signaling transmission between the access and mobility management function network element and the radio access network. Therefore, according to the technical solutions provided in this application, the first network element obtains the capability information of the access and mobility management function network element, and selects the corresponding target interface function network element based on the capability information.

Signaling transmission interface compatibility method and apparatus

Example data processing methods and apparatus are described. One example data processing method includes receiving data description information and reported data, where the data description information includes at least one of a vendor name, network element version information, a data type supported by a network management system, or a coding mode supported by the network management system. The reported data is converted based on the data description information, where reported data obtained through conversion meets a virtual network function event streaming (VES) specification. A VES event is sent, where the VES event includes the reported data obtained through conversion.

Data processing method and apparatus

A mobile edge computing method and apparatus are provided. The method which is implemented by a mobile edge computing (MEC) management network element includes: receiving an MEC virtualization resource request sent by a control plane of a target radio access network (RAN), wherein the control plane belongs to the target RAN to which user equipment (UE) is handed over, and the MEC virtualization resource request includes an MEC computing resource requirement of the UE; creating, based on the MEC virtualization resource request, a new virtual machine (VM) on an MEC server for the UE, wherein the new VM is used on the target RAN side after the handover; and sending first information of the new VM to the control plane, wherein the first information includes an ID of the new VM. According to the application, the efficiency of usage of resources during a handover of UE is significantly improved.

Mobile edge computing method and apparatus

Example communication methods and example apparatuses are provided. One example method includes obtaining, by an adaptor client, a southbound interface protocol type, where the adaptor client manages two or more protocol adaptors. The adaptor client can then select a first protocol adaptor from the two or more protocol adaptors based on the southbound interface protocol type, where the first protocol adaptor implements a first protocol.

Selecting protocol adaptor in a communication network

Embodiments of the present invention disclose a data packet processing method and apparatus, and a device. The method includes: if a first data packet is received, determining a first cache queue that is in the first buffer and that is used to store the first data packet; buffering the first data packet in the second buffer if a state of the first cache queue is an invalid state, where a data amount of the first data packet is less than the capacity of the second buffer, and the state of the first cache queue is set to the invalid state when a current data amount of the first buffer reaches the capacity of the first buffer; and if a data amount of the second buffer reaches the capacity of the second buffer, sending all data packets that are in the second buffer to a control plane device.

Data packet processing method and apparatus, and device

A service continuity ensuring method, a control plane gateway, and a mobility management network element, where the method includes: receiving, by a control plane gateway (C-GW), current location information of a user equipment (UE) sent by a mobility management network element; selecting, by the C-GW, at least one forwarding distributed gateway (D-GW) for the UE according to the current location information of the UE; establishing, by the C-GW for the UE, a data forwarding tunnel between a source D-GW of the UE and the forwarding D-GW; and establishing a data forwarding tunnel between the forwarding D-GW and a target base station of the UE, where the data forwarding tunnels are used to transmit uplink user plane data and/or downlink user plane data of the UE in a moving process of the UE.

Service continuity ensuring method, control plane gateway, and mobility management network element

A buffer control method, a network element, and a system. The method includes: receiving, by a network element, a flow table message from a controller, where the flow table message includes buffer information of a data packet matching a flow table; processing, by the network element, a buffer of the data packet based on the buffer information, and sending a flow table response message to the controller. In the method, the network element can save, based on a corresponding saving manner, at least one data packet matching the flow table to the buffer corresponding to the flow table. Thus a data flow granularity-based buffer processing manner can be supported in an OpenFlow protocol, and a data buffering requirement of a mobile network can be met.

Buffer control method, network element, and controller

An Internet Protocol (IP) address allocation method and a device to resolve a technical problem that an IP address conflict occurs when a control plane device and a user plane device allocate an IP address for one user equipment (UE) at the same time. When receiving a session establishment request message, a control plane network device may determine whether a first user plane network device is capable of allocating an IP address for a terminal device. If the first user plane network device is capable of allocating the IP address for the terminal device, the control plane network device may send an address allocation indication to the first user plane network device.

IP address allocation method, and device

Embodiments provide an aggregate rate control method, a device, and a system. A gateway switch receives a flow entry and a link table from a software-defined networking (SDN) controller. The flow entry includes at least a match field and a flow-entry instruction, and the link table includes at least a packet processing operation. The gateway switch parses to obtain header information of a received target data packet, and matches the header information with the match field in the flow entry. When the header information matches the match field in the flow entry, a link instruction is executed in the flow-entry instruction in the flow entry. The packet processing operation in the link table is performed, and the packet processing operation is used to discard or buffer the target data packet when a bit rate of an aggregate service flow is greater than a specified maximum aggregate rate.

Aggregate rate control method, device, and system

A downlink data notification message sending method and apparatus are disclosed. In an embodiment a method includes receiving, a delay instruction from a mobility management network element, which is used to instruct a control plane network element to delay sending a DDN message, receiving, an event report message includes a reported event from a user plane network element, and the reported event is used to notify the control plane network element that a downlink data packet sent to UE matches no bearer, determining, that the UE is registered in the mobility management network element, and if the control plane network element has not received, within a first time period, routing information of a base station, sending, the DDN message to the mobility management network element when the first time period expires.

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Shanghai, China

Longyu Cao