Slice management method, sub-slice management system and slice management system

Abstract

The present disclosure provides a network slice management method, comprising: receiving a latency monitoring request from a slice management system, the latency monitoring request including sub-slice information of at least one network sub-slice decomposed from a target network slice; obtaining latency monitoring information for each of the network sub-slices; and feeding the latency monitoring information back to the slice management system. The present disclosure also provides a sub-slice management system and a slice management system.

Description

Technical Field

[0001] The present disclosure relates to the field of long term evolution network technology, and in particular to a slice management method, a sub-slice management system, and a slice management system. Background Art

[0002] Network slicing is a key new feature of the 5G network architecture. 5G networks provide a network slicing mechanism to serve diverse applications and services, enabling flexible resource orchestration and scheduling to facilitate rapid service rollout. Monitoring the service-level agreement (SLA) for slicing is essential to ensuring the quality of slicing services. Currently, key metrics are defined, including latency, bandwidth, jitter, and packet loss rate.

[0003] Currently, network slice latency monitoring uses an end-to-end (user terminal to core network server) measurement method, which measures the round-trip latency of packets sent from the core network or wireless side. However, this method cannot measure the latency of every subnetwork within a network slice. When latency indicators for a network slice are abnormal, it is impossible to locate the subnetwork segment causing the abnormality. Summary of the Invention

[0004] The present disclosure aims to solve at least one of the technical problems existing in the prior art, and proposes a slice management method, a sub-slice management system, and a slice management system.

[0005] In a first aspect, an embodiment of the present disclosure provides a network slice management method, which includes:

[0006] Receive a latency monitoring request sent by a slice management system, where the latency monitoring request includes: sub-slice information of at least one network sub-slice decomposed from a target network slice;

[0007] Obtaining latency monitoring information for each of the network sub-slices;

[0008] Feedback the latency monitoring information to the slice management system.

[0009] In a second aspect, an embodiment of the present disclosure provides a network slice management method, which includes:

[0010] Determine sub-slice information of at least one network sub-slice decomposed from the target network slice;

[0011] A latency monitoring request sent to a sub-slice management system according to the sub-slice information of the at least one network sub-slice;

[0012] Receive the latency monitoring information of each network sub-slice fed back by the sub-slice management system.

[0013] In a third aspect, an embodiment of the present disclosure provides a sub-slice management system, including:

[0014] one or more first processors;

[0015] a first storage device having one or more programs stored thereon;

[0016] When the one or more programs are executed by the one or more first processors, the one or more first processors implement the method provided in the first aspect.

[0017] In a fourth aspect, an embodiment of the present disclosure provides a slice management system, which includes:

[0018] one or more second processors;

[0019] a second storage device having one or more programs stored thereon;

[0020] When the one or more programs are executed by the one or more second processors, the one or more second processors implement the method provided in the second aspect.

[0021] The present disclosure has the following beneficial effects:

[0022] The technical solution disclosed in the present invention provides a slice management method, a sub-slice management system and a slice management system, which can realize segmented and refined management of network slices, and can obtain the delay data of each sub-network segment as needed, so as to effectively locate the sub-network segment causing the abnormality when the overall delay of the network slice is abnormal. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A flowchart of a network slice management method provided in an embodiment of the present disclosure;

[0024] Figure 2 This is a flowchart for implementing step S102 in the embodiment of the present disclosure;

[0025] Figure 3 A flowchart of another network slice management method provided in an embodiment of the present disclosure;

[0026] Figure 4 This is a flowchart for implementing step S102' in the embodiment of the present disclosure;

[0027] Figure 5a This is a flowchart for implementing step S102a in the embodiment of the present disclosure;

[0028] Figure 5b This is a flowchart for implementing step S102b in the embodiment of the present disclosure;

[0029] Figure 5c This is a flowchart for implementing step S102c in the embodiment of the present disclosure;

[0030] Figure 6 A flowchart of another network slice management method provided in an embodiment of the present disclosure;

[0031] Figure 7 A flowchart of another network slice management method provided in an embodiment of the present disclosure;

[0032] Figure 8 A signaling diagram of the network slice management method provided in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the technical solution of the present disclosure, the slice management method, sub-slice management system and slice management system provided by the present disclosure are described in detail below with reference to the accompanying drawings.

[0034] Example embodiments will be described more fully hereinafter with reference to the accompanying drawings, but the example embodiments may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the scope of this disclosure to those skilled in the art.

[0035] The terms used herein are used only to describe specific embodiments and are not intended to limit the present disclosure. As used herein, the singular forms "a," "an," and "the" are also intended to include the plural forms, unless the context clearly indicates otherwise. It will also be understood that when the terms "comprising" and / or "made of" are used in this specification, the presence of the features, wholes, steps, operations, elements, and / or components is specified, but the presence or addition of one or more other features, wholes, steps, operations, elements, components, and / or groups thereof is not excluded.

[0036] It will be understood that although the terms first, second, etc. may be used herein to describe various elements / instructions / requests, these elements / instructions / requests should not be limited by these terms. These terms are only used to distinguish one element / instruction / request from another element / instruction / request.

[0037] The technical solution disclosed in this disclosure involves a network slice management function (NSMF) and a network slice subnet management function (NSMF). The NSMF system, as a slice orchestration and assurance system, is capable of managing the slice lifecycle and providing end-to-end assurance. The NSSMF system is responsible for completing resource applications for subslices and managing their lifecycles.

[0038] In this disclosure, the target network slice can be any network slice to be monitored in the 5G network. The target network slice can be decomposed into multiple network sub-slices according to actual monitoring requirements. Each network sub-slice can be managed accordingly through the NSSMF system.

[0039] The technical solution disclosed in the present invention can realize segmented and refined management of network slices, and can obtain the delay data of each sub-network segment as needed, so as to effectively locate the sub-network segment causing the abnormality when the overall delay of the network slice is abnormal.

[0040] Figure 1 A flowchart of a network slice management method provided in an embodiment of the present disclosure is shown as follows: Figure 1 As shown, Figure 1 The method is performed by the NSSMF system, and includes:

[0041] Step S101: Receive a latency monitoring request sent by a slice management system.

[0042] NSMF provides and activates a message center service (e.g., Kafka service) for the NSSMF system to periodically upload latency data. NSMF sends a latency monitoring request to the NSSMF system to monitor the latency of the target network slice.

[0043] The latency monitoring request includes: sub-slice information of at least one network sub-slice decomposed from the target network slice. The sub-slice information includes: sub-slice identity. In some embodiments, the latency monitoring request may also include: measurement tasks configured for each network sub-slice (latency measurement tasks in this disclosure), performance data granularity (for example, 10 seconds), and feedback target address (including the address and topic of the Kafka service provided and activated by the NSMF, etc.).

[0044] Step S102: Obtain the latency monitoring information of each network sub-slice.

[0045] Figure 2 This is a flowchart of an implementation of step S102 in the embodiment of the present disclosure, as shown in FIG. Figure 2 As shown, in some embodiments, step S2 includes: for each network sub-slice, performing the following steps: step S1021 to step S1023.

[0046] Step S1021: Create a delay measurement task in the network element device corresponding to the network sub-slice.

[0047] In some embodiments, creating a network element device to delay measurement task may include the measurement task type (embodied as the delay between the network element device and the target object in this disclosure), performance data granularity (for example, 10s), etc.

[0048] Step S1022: Receive delay monitoring data fed back by the network element device.

[0049] In some embodiments, the delay monitoring data may include delay data (uplink delay and / or downlink delay) between the network element device and the target object.

[0050] Step S1023: Generate delay monitoring information of the network sub-slice based on the delay monitoring data.

[0051] In some embodiments, the latency monitoring information may include the sub-slice identity of the network sub-slice, data collection time identifier, latency monitoring data, etc.

[0052] Step S103: Feedback the latency monitoring information to the slice management system.

[0053] The NSSMF system feeds the collected latency monitoring information back to the NSMF system for storage. At this time, users can use the NSMF system to check the latency data of at least one network sub-slice decomposed from the target network slice, so as to achieve segmented and refined management of network slices.

[0054] As an application scenario, when the overall latency of the target network slice is detected to be abnormal, the sub-network segment causing the abnormality can be effectively located by checking the latency of each network sub-slice.

[0055] Figure 3 A flowchart of another network slice management method provided in an embodiment of the present disclosure is shown in FIG. Figure 3 As shown, the network slice management method is based on Figure 1 A specific implementation scheme of the network slice management method shown is executed by the NSSMF system. The method includes:

[0056] Step S101: Receive a latency monitoring request sent by a slice management system.

[0057] The target network slice is decomposed into the following types according to the network hierarchy: radio network sub-slice, transport network sub-slice, and core network sub-slice. The latency monitoring request includes sub-slice information for the radio network sub-slice, the transport network sub-slice, and the core network sub-slice.

[0058] Step S102', respectively obtain the delay monitoring information of the wireless network sub-slice, the transmission network sub-slice and the core network sub-slice.

[0059] Figure 4 This is a flowchart of an implementation of step S102' in the embodiment of the present disclosure, as shown in FIG. Figure 4 As shown, step S102' includes:

[0060] Step S102a: Obtain the latency monitoring information of the wireless network sub-slice.

[0061] Step S102b: Obtain the latency monitoring information of the transmission network sub-slice.

[0062] Step S102c: Obtain latency monitoring information of the core network sub-slice.

[0063] In the embodiment of the present disclosure, step S102a, step S102b, and step S102c may be executed in a sequence or simultaneously, and the present disclosure does not limit the execution order of the three.

[0064] In the embodiment of the present disclosure, for different network levels, the NSSMF system can be divided into a wireless network NSSMF subsystem, a transmission network NSSMF subsystem and a core network NSSMF subsystem, and the above steps S102a, S102b and S102c are executed respectively.

[0065] Figure 5a This is a flowchart of an implementation of step S102a in the embodiment of the present disclosure, as shown in FIG. Figure 5a As shown, step S102a includes: steps S1021a to S1024a.

[0066] Step S1021a: Create a wireless network delay measurement task in at least one base station corresponding to the wireless network sub-slice.

[0067] Wireless network latency measurement tasks specifically include uplink latency measurement and downlink latency measurement. "Uplink latency" refers to the uplink latency from the user equipment (UE) to the centralized unit (CU) in the base station; "downlink latency" refers to the downlink latency from the CU to the UE.

[0068] Specifically, after the wireless network delay measurement task is created in the base station, the distributed unit (DU) in the base station sends the measurement message to the CU in the same base station through the SDAP protocol. The CU sends the measurement message to the UE under the base station, and then the UE returns the measurement message to the CU, and the CU sends the measurement message to the DU through the SDAP protocol. Among them, the moment when the CU receives the measurement message sent by the DU is used as the first starting moment, the moment when the UE receives the measurement message is used as the first ending moment, the moment when the UE sends the measurement message to the CU is used as the second starting moment, and the moment when the CU receives the measurement message sent by the UE is used as the second ending moment. The wireless network downlink delay is the time difference between the first ending moment and the first starting moment, and the wireless network uplink delay is the time difference between the second ending moment and the second starting moment. It should be noted that in the process of measuring the delay between a CU and a UE, Harq retransmission may occur. At this time, the average value of multiple measurement processes can be calculated to obtain the uplink delay and downlink delay between the CU and the UE.

[0069] It should be noted that a wireless network sub-slice may include multiple base stations (network element devices in the wireless network sub-slice). In the embodiment of the present disclosure, the wireless network NSSMF subsystem may select at least one base station from multiple base stations by random sampling or non-random sampling, and create a wireless network delay measurement task in the selected base station. In addition, each base station may correspond to multiple UEs, that is, a CU can send measurement messages to multiple UEs. At this time, a base station can feedback multiple wireless network delay monitoring data to the NSMF. The technical solution disclosed in the present disclosure does not limit the number of base stations included in the wireless network sub-slice and the number of UEs corresponding to each base station.

[0070] Step S1022a: Receive wireless network delay monitoring data fed back by each base station.

[0071] The wireless network delay detection data includes: wireless network uplink delay data and wireless network downlink delay data.

[0072] Step S1023a: determine the uplink delay value of the wireless network sub-slice based on the uplink delay data of the wireless network, and determine the downlink delay value of the wireless network sub-slice based on the downlink delay data of the wireless network.

[0073] In some embodiments, the uplink delay data of all wireless networks are averaged, and the calculated result is used as the uplink delay value of the wireless network sub-slice.

[0074] In some embodiments, all wireless network downlink delay data are averaged, and the calculated result is used as the downlink delay value of the wireless network sub-slice.

[0075] Step S1024a: Based on the uplink delay value and downlink delay value of the wireless network sub-slice, construct the delay monitoring information of the wireless network sub-slice.

[0076] In some embodiments, the delay monitoring information of the wireless network sub-slice includes the sub-slice identity of the wireless network sub-slice, the data collection time identifier, the uplink delay value and the downlink delay value of the wireless network sub-slice.

[0077] Figure 5b This is a flowchart for implementing step S102b in the embodiment of the present disclosure, as shown in FIG. Figure 5b As shown, step S102b includes: steps S1021b to S1024b.

[0078] Step S1021b: Create a transport network delay measurement task in at least one provider edge device corresponding to the transport network sub-slice.

[0079] The transmission network latency measurement task specifically includes measuring upstream and downstream latency. "Upstream latency" refers to the upstream latency from the provider edge (PE) to the customer edge (CE) located in the core network data center (DC). "Downstream latency" refers to the downstream latency from the CE to the PE.

[0080] Specifically, after the transport network delay measurement task is created in the PE, the PE measures the uplink and downlink delays between the PE and the CE using the TWAMP protocol. The specific process of detecting the delay between two terminals using the TWAMP protocol is conventional in the art and will not be described in detail here.

[0081] It should be noted that the transmission network sub-slice may include multiple PEs (network element devices in the transmission network sub-slice). In the embodiment of the present disclosure, the transmission network NSSMF subsystem may select at least one PE from multiple PEs by random sampling or non-random sampling, and create a transmission network delay measurement task in the selected PE. Of course, the number of CEs on the DC side of the core network can also be multiple, so one PE can correspond to one or more CEs (one PE can feed back multiple transmission network delay monitoring data to the transmission network NSSMF subsystem). The technical solution of the present disclosure does not limit the number of PEs contained in the transmission network sub-slice and the number of CEs contained on the DC side of the core network sub-slice.

[0082] Step S1022b: Receive transmission network delay monitoring data fed back by edge devices of each provider.

[0083] The transmission network delay detection data includes: transmission network uplink delay data and transmission network downlink delay data.

[0084] Step S1023b: determine the uplink delay value of the transmission network sub-slice based on the uplink delay data of the transmission network, and determine the downlink delay value of the transmission network sub-slice based on the downlink delay data of the transmission network.

[0085] In some embodiments, the maximum value is screened out from all the uplink delay data of the transmission network to serve as the uplink delay value of the transmission network sub-slice.

[0086] In some embodiments, the maximum value is screened out from all the transmission network downlink delay data to serve as the downlink delay value of the transmission network sub-slice.

[0087] Step S1024b: Based on the uplink delay value and downlink delay value of the transmission network sub-slice, construct the delay monitoring information of the transmission network sub-slice.

[0088] In some embodiments, the delay monitoring information of the transmission network sub-slice includes the sub-slice identity of the transmission network sub-slice, the data collection time identifier, the uplink delay value and the downlink delay value of the transmission network sub-slice.

[0089] Figure 5c This is a flowchart of an implementation of step S102c in the embodiment of the present disclosure, as shown in FIG. Figure 5c As shown, step S102c includes: steps S1021c to S1024c.

[0090] Step S1021c: Create a core network delay measurement task in at least one user edge device located on the data center side corresponding to the core network sub-slice.

[0091] The core network latency measurement task specifically includes measuring core network uplink latency and core network downlink latency. "Core network uplink latency" specifically refers to the uplink latency from the CE to the server, and "core network downlink latency" specifically refers to the downlink latency from the server to the CE. Core network uplink latency can include the uplink latency from the CE to the user plane function (UPF) network element and the uplink latency from the UPF network element to the server. Core network downlink latency can include the downlink latency from the server to the UPF network element and the downlink latency from the UPF network element to the CE.

[0092] Specifically, after the core network delay measurement task is created in CE, CE will measure the uplink / downlink delay between CE and UPF, and the uplink / downlink delay between UPF and the server through the TWAMP protocol.

[0093] In some embodiments, the server is specifically an IP Multimedia Subsystem (IMS) server.

[0094] It should be noted that a core network sub-slice may include multiple CEs (network element devices in a transport network sub-slice) and multiple UPF network elements. A CE can feed back multiple core network latency monitoring data to the core network NSSMF subsystem.

[0095] Step S1022c: Receive core network delay monitoring data fed back by each user edge device.

[0096] Among them, the core network delay detection data includes: the first uplink delay data from CE to UPF network element, the second uplink delay data from UPF network element to server, the first downlink delay data from server to UPF network element, and the second downlink delay data from UPF network element to CE.

[0097] Step S1023c, determine the uplink delay value from the data center side to the user plane function side within the core network sub-slice based on the first uplink delay data, determine the uplink delay value from the user plane function side to the server within the core network sub-slice based on the second uplink delay data, determine the downlink delay value from the server to the user plane function side within the core network sub-slice based on the first downlink delay data, and determine the downlink delay value from the user plane function side to the data center side within the core network sub-slice based on the second downlink delay data.

[0098] In some embodiments, the maximum value is screened out from all the first uplink delay data to serve as the uplink delay value from the DC side to the UPF side within the core network sub-slice.

[0099] In some embodiments, the maximum value is filtered out from all the second uplink delay data to serve as the uplink delay value from the UPF side to the server within the core network sub-slice.

[0100] In some embodiments, the maximum value is filtered out from all the first downlink delay data to serve as the downlink delay value from the server to the UPF side within the core network sub-slice.

[0101] In some embodiments, the maximum value is screened out from all the second downlink delay data to serve as the downlink delay value from the UPF side to the DC side within the core network sub-slice.

[0102] Step S1024c, based on the uplink delay value from the data center side to the user plane function side within the core network sub-slice, the uplink delay value from the user plane function side to the server within the core network sub-slice, the downlink delay value from the server to the user plane function side within the core network sub-slice, and the downlink delay value from the user plane function side to the data center side within the core network sub-slice, construct the delay monitoring information of the core network sub-slice.

[0103] In some embodiments, the delay monitoring information of the transmission network sub-slice includes the sub-slice identity of the core network sub-slice, the data collection time identifier, the uplink delay value and the downlink delay value between the DC side and the UPF side, and the uplink delay value and the downlink delay value between the UPF side and the server.

[0104] Of course, the delay monitoring information of the transmission sub-slice can also include the slice uplink delay value of the transmission network sub-slice (equal to the sum of the uplink delay value from the DC side to the UPF side and the uplink delay value from the UPF side to the server) and the slice downlink delay value of the transmission network sub-slice (equal to the sum of the downlink delay value from the server to the UPF side and the downlink delay value from the UPF side to the DC side).

[0105] Step S103', feed back the latency monitoring information of the wireless network sub-slice, the transport network sub-slice and the core network sub-slice to the slice management system.

[0106] The technical solution of the embodiment of the present disclosure can realize segmented measurement of the delay of the wireless network sub-slice, transmission network sub-slice and core network sub-slice in the target network slice, so as to facilitate refined management.

[0107] Figure 6 A flowchart of another network slice management method provided in an embodiment of the present disclosure is as follows: Figure 6 As shown, the execution subject of the method is the NSMF system, and the method includes:

[0108] Step S201: Determine the sub-slice information of at least one network sub-slice decomposed from the target network slice.

[0109] The NSMF system stores the slice information of each network slice under its jurisdiction, wherein the slice information of the network slice records the sub-slice information of each network sub-slice decomposed from the network slice; wherein the sub-slice information includes the sub-slice identity.

[0110] The NSMF system can query its own database to query the sub-slice information of all network sub-slices corresponding to the target network slice, and then filter out at least one sub-slice information from all the queried sub-slice information according to actual needs, so as to subsequently monitor the latency of the network sub-slice corresponding to the sub-slice information.

[0111] In some embodiments, the latency of all network sub-slices decomposed from the target network slice can be monitored.

[0112] As an application scenario, in response to the target slice network being created, the NSMF system starts executing the above step S201. As another application scenario, in response to the user's monitoring requirements, the SMF system starts executing the above step S201.

[0113] Step S202: Send a latency monitoring request to the sub-slice management system based on the sub-slice information of at least one network sub-slice.

[0114] A delay monitoring request is generated based on the sub-slice information of the network sub-slice determined in step S201, and the delay monitoring request is sent to the NSSMF system so that the NSSMF system can collect the delay of the corresponding network sub-slice.

[0115] Step S203: Receive the latency monitoring information of each network sub-slice fed back by the sub-slice management system.

[0116] The NSMF system receives the latency monitoring information of each network sub-slice fed back by the NSSMF system and stores it for user query.

[0117] Figure 7 A flowchart of another network slice management method provided in an embodiment of the present disclosure is as follows: Figure 7 As shown, the network slice management method is based on Figure 6 A specific implementation scheme of the network slice management method shown is executed by the NSMF system. The method includes:

[0118] Step S201', determine the sub-slice information of the wireless network sub-slice, transport network sub-slice and core network sub-slice decomposed from the target network slice.

[0119] Among them, the sub-slice information includes the sub-slice identity.

[0120] Step S202': Send a latency monitoring request to the sub-slice management system based on the sub-slice information of the wireless network sub-slice, the transport network sub-slice, and the core network sub-slice.

[0121] Among them, the latency monitoring request includes: sub-slice information of the wireless network sub-slice, sub-slice information of the transmission network sub-slice and sub-slice information of the core network sub-slice; among them, the sub-slice information includes sub-slice information.

[0122] Step S203', receive the latency monitoring information of the wireless network sub-slice, transport network sub-slice and core network sub-slice fed back by the sub-slice management system.

[0123] Among them, the process of the sub-slice management system obtaining the delay monitoring information of the wireless network sub-slice, transmission network sub-slice and core network sub-slice can be referred to the content in the aforementioned embodiment and will not be repeated here.

[0124] Step S204': Check whether the delay monitoring information fed back by the sub-slice management system is complete.

[0125] Specifically, when NSMF receives the delay monitoring information of the wireless network sub-slice, transmission network sub-slice and core network sub-slice fed back by NSSMF, it detects that the delay monitoring information fed back by NSSMF is complete, and then executes step S205'; otherwise, continues to execute step S203'.

[0126] Step S205', calculate the overall delay value of the target network slice based on the delay monitoring information of the wireless network sub-slice, the delay monitoring information of the transmission network sub-slice and the delay monitoring information of the core network sub-slice.

[0127] Among them, the overall delay value of the target network slice includes: the overall uplink delay and the overall downlink delay of the target network slice.

[0128] Among them, the overall uplink delay of the target network slice is equal to the sum of the uplink delay of the wireless network sub-slice, the uplink delay of the transmission network sub-slice and the uplink delay of the core network sub-slice; the overall downlink delay of the target network slice is equal to the sum of the downlink delay of the wireless network sub-slice, the downlink delay of the transmission network sub-slice and the downlink delay of the core network sub-slice.

[0129] Figure 8 A signaling diagram of the network slice management method provided by the embodiment of the present disclosure, such as Figure 8 As shown, including:

[0130] BZ01. The NSMF system determines the sub-slice identity of each network sub-slice decomposed from the target network slice.

[0131] BZ02, the NSMF system sends a latency monitoring request to the NSSMF system based on the sub-slice identity of each network sub-slice.

[0132] BZ03, NSSMF system receives the delay monitoring request sent by NSMF system.

[0133] BZ04, NSSMF creates a delay measurement task in the network element device corresponding to the corresponding network sub-slice.

[0134] The BZ05 and NSSMF systems generate latency monitoring information for each network sub-slice based on the latency data fed back by the network element devices.

[0135] BZ06 and NSSMF systems feed back the latency monitoring information of each network sub-slice to the NSMF system.

[0136] BZ07 and NSMF systems receive and store the latency monitoring information of each network sub-slice.

[0137] BZ08, NSMF system detects whether the latency monitoring information for the target network slice is complete.

[0138] When the latency monitoring information of the target network slice is complete, execute BZ09; otherwise, continue to execute BZ07.

[0139] BZ09,NSMF system calculates the overall latency of the target network slice.

[0140] For the detailed description of BZ01 to BZ09 , please refer to the corresponding contents in the aforementioned embodiments, which will not be repeated here.

[0141] The present disclosure also provides a sub-slice management system, comprising: one or more first processors and a first storage device; wherein the first storage device stores one or more programs; when the one or more programs are executed by the one or more first processors, the one or more first processors implement the above-mentioned Figure 1 and Figure 3 The slice management method provided by the illustrated embodiment.

[0142] The present disclosure also provides a slice management system, comprising: one or more second processors and a second storage device; wherein the second storage device stores one or more programs; when the one or more programs are executed by the one or more second processors, the one or more second processors implement the aforementioned Figure 6 and Figure 7 The slice management method provided in the embodiment.

[0143] It will be appreciated by those skilled in the art that all or some of the steps in the method disclosed above, and the functional modules / units in the device can be implemented as software, firmware, hardware, and appropriate combinations thereof. In a hardware implementation, the division between the functional modules / units mentioned in the above description does not necessarily correspond to the division of physical components; for example, a physical component may have multiple functions, or a function or step may be performed by several physical components in cooperation. Some or all physical components may be implemented as software executed by a processor, such as a central processing unit, a digital signal processor, or a microprocessor, or implemented as hardware, or implemented as an integrated circuit, such as an application-specific integrated circuit. Such software may be distributed on a computer-readable medium, which may include a computer storage medium (or non-transitory medium) and a communication medium (or temporary medium). As is well known to those skilled in the art, the term computer storage medium includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules, or other data). Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store the desired information and can be accessed by a computer. In addition, it is well known to those skilled in the art that communication media generally embodies computer-readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media.

[0144] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art. It will also be understood that terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant art and the present disclosure, and will not be interpreted as having an idealized or overly formal meaning unless expressly defined as such herein.

Claims

1. A network slice management method, wherein: include: Receive a latency monitoring request sent by a slice management system, the latency monitoring request including: sub-slice information of at least one network sub-slice decomposed from a target network slice, the target network slice being decomposed into: a radio network sub-slice, a transport network sub-slice, and a core network sub-slice; the latency monitoring request including: sub-slice information of the radio network sub-slice, sub-slice information of the transport network sub-slice, and sub-slice information of the core network sub-slice; Obtaining latency monitoring information for each of the network sub-slices; The delay monitoring information is fed back to the slice management system, and the delay monitoring information is used to instruct the slice management system to calculate the overall delay value of the target network slice.

2. The method according to claim 1, wherein The step of obtaining the latency monitoring information of each network sub-slice includes: For each of the network sub-slices, perform the following steps: Create a latency measurement task in the network element device corresponding to the network sub-slice; Receiving delay monitoring data fed back by the network element device; Generate delay monitoring information of the network sub-slice based on the delay monitoring data.

3. The method according to claim 1, wherein The steps for obtaining latency monitoring information of a wireless network sub-slice include: Creating a wireless network delay measurement task to at least one base station corresponding to the wireless network sub-slice; Receive wireless network delay monitoring data fed back by each base station, wherein the wireless network delay monitoring data includes: wireless network uplink delay data and wireless network downlink delay data; Determine an uplink delay value of the wireless network sub-slice according to the wireless network uplink delay data, and determine a downlink delay value of the wireless network sub-slice according to the wireless network downlink delay data; Based on the uplink delay value and downlink delay value of the wireless network sub-slice, the delay monitoring information of the wireless network sub-slice is constructed.

4. The method according to claim 3, wherein: The step of determining the uplink delay value of the wireless network sub-slice according to the wireless network uplink delay data specifically includes: averaging all the wireless network uplink delay data, and using the calculated result as the uplink delay value of the wireless network sub-slice; Determining the downlink delay value of the wireless network sub-slice according to the wireless network downlink delay data; The downlink delay data of all the wireless networks are averaged, and the calculated result is used as the downlink delay value of the wireless network sub-slice.

5. The method according to claim 1, wherein The steps for obtaining latency monitoring information for a transport network sub-slice include: Create a transport network latency measurement task in at least one provider edge device corresponding to the transport network sub-slice; Receiving transmission network delay monitoring data fed back by each provider edge device, wherein the transmission network delay monitoring data includes: transmission network uplink delay data and transmission network downlink delay data; Determine an uplink delay value of the transmission network sub-slice according to the transmission network uplink delay data, and determine a downlink delay value of the transmission network sub-slice according to the transmission network downlink delay data; Based on the uplink delay value and downlink delay value of the transmission network sub-slice, the delay monitoring information of the transmission network sub-slice is constructed.

6. The method according to claim 5, wherein: The step of determining the uplink delay value of the transmission network sub-slice according to the uplink delay data of the transmission network specifically includes: Filtering out the maximum value from all the uplink delay data of the transmission network to serve as the uplink delay value of the transmission network sub-slice; The step of determining the downlink delay value of the transmission network sub-slice according to the transmission network downlink delay data specifically includes: The maximum value is screened out from all the transmission network downlink delay data to serve as the downlink delay value of the transmission network sub-slice.

7. The method according to claim 1, wherein The steps for obtaining latency monitoring information for a core network sub-slice include: Create a core network latency measurement task in at least one user edge device on the data center side corresponding to the core network sub-slice; Receive core network delay monitoring data fed back by each of the user edge devices, the core network delay monitoring data including: first uplink delay data from the user edge device to the user plane function network element, second uplink delay data from the user plane function network element to the server, first downlink delay data from the server to the user plane function network element, and second downlink delay data from the user plane function network element to the user edge device; Determine an uplink delay value from the data center side to the user plane function side within the core network sub-slice based on the first uplink delay data, determine an uplink delay value from the user plane function side to the server within the core network sub-slice based on the second uplink delay data, determine a downlink delay value from the server to the user plane function side within the core network sub-slice based on the first downlink delay data, and determine a downlink delay value from the user plane function side to the data center side within the core network sub-slice based on the second downlink delay data; Based on the uplink delay value from the data center side to the user plane function side within the core network sub-slice, the uplink delay value from the user plane function side to the server within the core network sub-slice, the downlink delay value from the server to the user plane function side within the core network sub-slice, and the downlink delay value from the user plane function side to the data center side within the core network sub-slice, the delay monitoring information of the core network sub-slice is constructed.

8. The method according to claim 7, wherein: The step of determining the uplink delay value from the data center side to the user plane function side in the core network sub-slice according to the first uplink delay data specifically includes: Filtering out a maximum value from all of the first uplink delay data to serve as an uplink delay value from the data center side to the user plane function side within the core network sub-slice; The step of determining the uplink delay value from the user plane function side to the server in the core network sub-slice according to the second uplink delay data specifically includes: Filtering out a maximum value from all the second uplink delay data to serve as an uplink delay value from the user plane function side to the server in the core network sub-slice; The step of determining the downlink delay value from the server to the user plane function side within the core network sub-slice according to the first downlink delay data specifically includes: Filtering out a maximum value from all of the first downlink delay data to serve as a downlink delay value from the server to the user plane function side within the core network sub-slice; The step of determining the downlink delay value from the user plane function side to the data center side in the core network sub-slice according to the second downlink delay data specifically includes: The maximum value is filtered out from all the second downlink delay data to serve as the downlink delay value from the user plane function side to the data center side in the core network sub-slice.

9. A network slice management method, wherein: include: Determine sub-slice information of at least one network sub-slice decomposed from the target network slice; The target network slice is decomposed into: a wireless network sub-slice, a transport network sub-slice, and a core network sub-slice; A latency monitoring request sent to a sub-slice management system according to the sub-slice information of the at least one network sub-slice; The latency monitoring request includes: sub-slice information of the radio network sub-slice, sub-slice information of the transport network sub-slice, and sub-slice information of the core network sub-slice; Receiving latency monitoring information of each of the network sub-slices fed back by the sub-slice management system; Based on the delay monitoring information of the wireless network sub-slice, the delay monitoring information of the transmission network sub-slice and the delay monitoring information of the core network sub-slice, the overall delay value of the target network slice is calculated.

10. The management method according to claim 9, wherein: Before the step of calculating the overall delay value of the target network slice based on the delay monitoring information of the radio network sub-slice, the delay monitoring information of the transport network sub-slice, and the delay monitoring information of the core network sub-slice, the step further includes: Detecting whether the feedback delay monitoring information of the sub-slice management system is complete; When it is detected that the delay monitoring information fed back by the sub-slice management system is complete, the step of calculating the overall delay value of the target network slice based on the delay monitoring information of the wireless network sub-slice, the delay monitoring information of the transmission network sub-slice and the delay monitoring information of the core network sub-slice is executed.

11. A sub-slice management system, wherein: include: one or more first processors; a first storage device having one or more programs stored thereon; When the one or more programs are executed by the one or more first processors, the one or more first processors are enabled to implement the method according to any one of claims 1 to 8.

12. A slice management system, wherein: include: one or more second processors; a second storage device having one or more programs stored thereon; When the one or more programs are executed by the one or more first processors, the one or more first processors are enabled to implement the method according to any one of claims 9 to 10.

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