CN110708188A - Method and device for creating network slice based on SLA - Google Patents
Method and device for creating network slice based on SLA Download PDFInfo
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- CN110708188A CN110708188A CN201910885620.0A CN201910885620A CN110708188A CN 110708188 A CN110708188 A CN 110708188A CN 201910885620 A CN201910885620 A CN 201910885620A CN 110708188 A CN110708188 A CN 110708188A
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- H04L47/00—Traffic control in data switching networks
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Abstract
The embodiment of the invention provides a method and a device for creating a network slice based on SLA, relates to the field of computers, and can dynamically update QoS parameters according to SLA and improve the flexibility of SLA management. The method comprises the following steps: the block chain node determines to receive the SLA parameters and sends a first message and QoS parameters to the network slice management network elements corresponding to the IDs of the network slice management network elements in the SLA parameters; the network slice management network element determines that a first message is received, creates a target network slice, writes the QoS parameter into the QoS template to obtain the QoS parameter template, and sends the QoS parameter template to a target network element in the target network slice; and determining that the target network slice configured with the QoS parameter template is successfully created. The embodiment of the application is applied to creating the network slice according to the SLA.
Description
Technical Field
The embodiment of the invention relates to the field of computers, in particular to a method and a device for creating a network slice based on SLA.
Background
The network slicing technology is an important basic technology of a fifth-generation mobile communication technology (5G) network, and the network slicing can provide customized network services for different industries based on shared physical infrastructure, so that mutually isolated, function and performance customized, quality-guaranteed and end-to-end logic private network services are provided for industrial customers. A service-level agreement (SLA) is a service commitment between a network slicing service provider and a network slicing user. The network slice service provider should provide corresponding quality of service (QoS) guarantees to the network slice users according to the SLA commitments. The SLA may include quantifiable indicators such as average fault interval, average repair time, access bandwidth, jitter, access delay/end-to-end delay, etc.
At present, the quality assurance of network slices is mainly realized through a QoS mechanism, and because the QoS parameters of the QoS mechanism of the conventional mobile network are static global parameters preset according to service priorities, the QoS parameters can not be adjusted according to user attributes and geographic differences, nor can the QoS priorities of the same service be distinguished according to different slice attributes. In addition, because a large number of cross-operation management domains and cross-manufacturer realistic conditions exist in network slicing, the slice management network element needs to design a multilayer structure and a complex north-south interface to meet the SLA guarantee of the cross-domain network slicing.
Disclosure of Invention
Embodiments of the present invention provide a method and an apparatus for creating a network slice based on an SLA, which can dynamically update QoS parameters according to the SLA, thereby improving flexibility of SLA management.
In a first aspect, a method for creating a network slice based on SLA is provided, which includes the following steps: determining received service level agreement SLA parameters, wherein the SLA parameters comprise an ID of a network slice management network element and a corresponding service quality QoS parameter, and the QoS parameters are generated by conversion of an SLA protocol generated by negotiation of an application service provider and a network slice service provider by the SLA management network element of a network slice user; sending a first message to a network slice management network element corresponding to the ID of the network slice management network element in the SLA parameter, wherein the first message is used for indicating the network slice management network element to create a target network slice, and the target network slice comprises the target network element; the QoS parameters are issued to the corresponding network slice management network elements according to the IDs of the network slice management network elements, wherein the QoS parameters are used for indicating the network slice management network elements to generate QoS parameter templates, and the QoS parameter templates are used for configuring target network elements in target network slices created by the network slice management network elements; and determining that the target network slice configured with the QoS parameter template is successfully created.
In a second aspect, a method for creating a network slice based on SLA is provided, which includes the following steps: determining a first message sent by a received block chain node, and creating a target network slice, wherein the target network slice comprises a target network element; acquiring a QoS parameter sent by a blockchain node, wherein the QoS parameter is generated by an SLA management network element of a network slice user according to an SLA protocol conversion generated by negotiation between an application service provider and a network slice service provider; writing the QoS parameters into a QoS template to obtain a QoS parameter template; sending the QoS parameter template to a target network element in a target network slice; and determining that the target network slice configured with the QoS parameter template is successfully created.
In the scheme, as the block chain node determines to receive the SLA parameter, a first message and a QoS parameter are sent to a network slice management network element corresponding to the ID of the network slice management network element in the SLA parameter; the network slice management network element determines that a first message is received, creates a target network slice, writes the QoS parameter into the QoS template to obtain the QoS parameter template, and sends the QoS parameter template to a target network element in the target network slice; and determining that the target network slice configured with the QoS parameter template is successfully created. Therefore, the QoS parameters can be generated according to the conversion of the SLA protocol, the QoS parameter template is generated according to the QoS parameters, and the QoS parameter template is issued to the target network element in the target network slice, so that the condition that the QoS parameters are preset to be static global parameters in a QoS mechanism of a traditional mobile network is avoided, and the flexibility of SLA management is improved.
In a third aspect, an apparatus for creating a SLA-based network slice is provided, including: the system comprises a determining module, a judging module and a judging module, wherein the determining module is used for determining and receiving SLA parameters of a service level agreement, the SLA parameters comprise an ID of a network slice management network element and corresponding service quality QoS parameters, and the QoS parameters are generated by the SLA management network element of a network slice user according to the conversion of an SLA agreement generated by the negotiation between an application service provider and a network slice service provider; a sending module, configured to send a first message to a network slice management network element corresponding to the ID of the network slice management network element in the SLA parameter determined and received by the determining module, where the first message is used to instruct the network slice management network element to create a target network slice, where the target network slice includes a target network element; the sending module is further configured to send the QoS parameter to the corresponding network slice management network element according to the ID of the network slice management network element that is determined to be received by the determining module, where the QoS parameter is used to instruct the network slice management network element to generate a QoS parameter template, and the QoS parameter template is used for configuring a target network element in a target network slice created by the network slice management network element; the determining module is further configured to determine that the creation of the target network slice configured with the QoS parameter template is successful.
In a fourth aspect, an apparatus for creating a network slice based on SLA is provided, where the apparatus is used for managing a network element of the network slice, and the apparatus includes: the system comprises a determining module, a judging module and a judging module, wherein the determining module is used for determining that a first message sent by a block chain node is received and creating a target network slice, and the target network slice comprises a target network element; an obtaining module, configured to obtain a QoS parameter sent by the blockchain node, where the QoS parameter is generated by a network slice user SLA management network element through conversion according to an SLA protocol generated by negotiation between an application service provider and a network slice service provider; the generation module is used for writing the QoS parameters acquired by the acquisition module into a QoS template to obtain a QoS parameter template; a sending module, configured to send the QoS parameter template generated by the generating module to a target network element in the target network slice; the determining module is further configured to determine that the creation of the target network slice configured with the QoS parameter template is successful.
In a fifth aspect, an apparatus for creating an SLA-based network slice is provided, including a communication interface, a processor, a memory, and a bus; the memory is used for storing computer-executable instructions, the processor is connected with the memory through a bus, and when the creation device of the SLA-based network slice runs, the processor executes the computer-executable instructions stored by the memory, so that the creation device of the SLA-based network slice executes the creation method of the SLA-based network slice as the first aspect.
The sixth aspect provides a device for creating network slices based on SLA, which is used for managing network elements of network slices and includes a communication interface, a processor, a memory, and a bus; the memory is used for storing computer-executable instructions, the processor is connected with the memory through a bus, and when the creation device of the SLA-based network slice runs, the processor executes the computer-executable instructions stored by the memory, so that the creation device of the SLA-based network slice executes the creation method of the SLA-based network slice as the second aspect.
In a seventh aspect, a computer storage medium is provided, which includes instructions that, when executed on a computer, cause the computer to execute the method for creating an SLA-based network slice as described above.
In an eighth aspect, a computer program product is provided, which comprises instruction codes for executing the method for creating an SLA-based network slice as described above.
It can be understood that the apparatus for creating an SLA-based network slice provided in the third and fifth aspects is configured to perform the method corresponding to the first aspect provided above, and the apparatus for creating an SLA-based network slice provided in the fourth and sixth aspects is configured to perform the method corresponding to the second aspect provided above, and the computer storage medium or the computer program product is configured to perform the method for creating an SLA-based network slice provided above, so that the beneficial effects that can be achieved by the apparatus can be referred to the beneficial effects of the method for creating an SLA-based network slice above and the corresponding solutions in the following specific embodiments, and are not described herein again.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a block chain-based cross-domain SLA management architecture according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a method for creating an SLA-based network slice according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of a method for signing a network slice SLA according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of a method for updating a network slice SLA according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an apparatus for creating an SLA-based network slice according to a first embodiment of the present invention;
fig. 6 is a schematic structural diagram of an apparatus for creating an SLA-based network slice according to a second embodiment of the present invention;
fig. 7 is a schematic structural diagram of an apparatus for creating an SLA-based network slice according to a third embodiment of the present invention;
fig. 8 is a schematic structural diagram of an apparatus for creating an SLA-based network slice according to a fourth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The network slicing technology is an important basic technology of a 5G network, and the network slicing can provide customized network services for different industries based on shared physical infrastructure, so that the industry-oriented customers are provided with mutually isolated, function and performance customized, quality-guaranteed and end-to-end logic private network services. An SLA is a service commitment between a network slicing service provider and a network slicing user. The network slicing service provider should provide corresponding QoS guarantee to the network slicing user according to SLA commitment. The SLA may include quantifiable indicators such as average fault interval, average repair time, access bandwidth, jitter, access delay/end-to-end delay, etc. At present, the quality assurance of network slices is mainly realized through a QoS mechanism, and because the QoS parameters of the QoS mechanism of the conventional mobile network are static global parameters preset according to service priorities, the QoS parameters can not be adjusted according to user attributes and geographic differences, nor can the QoS priorities of the same service be distinguished according to different slice attributes. In addition, because a large number of cross-operation management domains and cross-manufacturer realistic conditions exist in network slicing, the slice management network element needs to design a multilayer structure and a complex north-south interface to meet the SLA guarantee of the cross-domain network slicing.
The block chain is a technical system which is commonly maintained by multiple parties, stores data in a block chain structure, ensures transmission and access safety by using cryptography, and can realize consistent storage, tampering and repudiation of the data. Ledgers in blockchains may be stored at multiple nodes and synchronized using peer-to-peer (P2P) techniques. And confirming the record written into the account book by the multiple nodes by adopting a consensus mechanism. The block-chain storage structure of the block chain can ensure that the recorded data is not falsifiable and traceable.
Firstly, the application provides a block chain-based cross-domain SLA management architecture, which is shown in FIG. 1 and comprises application service providers 111-11 n, network slice user SLA management network elements 121-12 n, block link points 131-13 n, network slice management network elements 141-14 n, network slices 151-15 n and a block chain network. The application service provider establishes communication connection with a network slice user SLA management network element; the block chain nodes and the network slice user SLA management network elements and the network slice management network elements establish communication connection at the same time, wherein the block chain nodes, the network slice user SLA management network elements and the network slice management network elements can be arranged in a combined manner or in a separated manner; a network slice management network element may create a network slice and establish a communication connection therewith. Specifically, the application service provider is configured to provide the application service of the network slice for the user accessing the network slice, for example, the application service provider may be an internet enterprise, a campus operator, a smart city operator, and the like, which provide a specific service. And the network slice user SLA management network element is used for converting an SLA protocol generated by negotiation between the application service provider and the network slice service provider into an SLA parameter and writing the SLA parameter into a block chain account book through an intelligent contract, wherein the network slice service provider is a mobile operator providing network slices. And the block chain node is used for providing distributed account book service and intelligent contract service based on the block chain, and recording and processing SLA parameters. And the network slice management network element is used for creating a network slice and issuing a QoS parameter template according to the SLA parameters. The network slice is used for creating a dedicated logical network for an application service provider, wherein the network slice may include an end-to-end network such as an access network and a core network, and may also include a partial network. The blockchain network refers to a network formed by blockchain link points, and the blockchain network completes synchronization of blockchain records, Certificate Authority (CA) management, privacy management and the like among the blockchain link points.
Next, aiming at the above problem and based on a cross-domain SLA management framework of a block chain, an embodiment of the present application provides a method for creating a network slice based on an SLA, which is shown in fig. 2 and specifically includes the following steps:
201. and the block chain node determines to receive the service level agreement SLA parameter and synchronizes the SLA parameter to other block chain nodes.
The SLA parameter includes an Identity (ID) of a network slice management network element and a corresponding QoS parameter.
Firstly, before determining to receive service level agreement SLA parameters, a block link point needs to perform network slice SLA subscription, and the present application provides a network slice SLA subscription method, which, referring to fig. 3, includes the following steps:
and S1, the application service provider and the network slice provider negotiate to generate an SLA agreement, and the application service provider reports the SLA agreement to the SLA management network element of the network slice user.
Specifically, the application service provider proposes the SLA requirements of the network slice according to the service requirements and characteristics of the application service provider, and negotiates with the network slice service provider to reach the SLA agreement of the network slice, wherein the negotiation between the application service provider and the network slice service provider may be an offline negotiation or an online negotiation.
The SLA agreement content mainly includes the service requirements and characteristics of the application service provider, for example, the SLA agreement content includes: the method comprises the steps of network slice coverage area, maximum concurrent user number, registered user number, time delay, maximum guaranteed bandwidth, terminal mobility grade, whether resources are shared among slices or not, average fault interval, average repair time and the like.
And S2, the network slice user SLA management network element converts the received SLA agreement into an SLA parameter and reports the SLA parameter to a block chain node in the management domain of the network slice user SLA management network element.
Firstly, SLA parameters comprise an ID of a network slice management network element and a corresponding quality of service (QoS) parameter, wherein when the SLA parameters indicate a network slice user to create a network slice by the network slice management network element in an SLA management network element management domain, the SLA parameters comprise the QoS parameters and the ID of the network slice management network element; when the SLA parameters indicate that cross-domain network slice management network elements create network slices, the SLA parameters include ID lists of all network slice management network elements and sub-QoS parameters corresponding to the IDs of each network slice management network element.
For example, the QoS parameters include: the coverage area of the network slice, the maximum number of concurrent users and the number of registered users, time delay, the maximum guaranteed bandwidth, QoS levels corresponding to different services, QoS priority of the network slice and the like.
As another example, the list of SLA parameters is as follows:
ID of network slice management network element: ID 1; QoS parameters: an ID list of a base station, the maximum concurrent connection number, the maximum user registration number, the maximum bandwidth, the bandwidth providing quality assurance, the maximum Access Point (APN) bandwidth, the minimum time delay providing quality assurance, and jitter; ID of network slice management network element: ID 2; QoS parameters: an ID list of a base station, the maximum concurrent connection number, the maximum user registration number, the maximum bandwidth, the bandwidth providing quality guarantee, the maximum APN bandwidth, the minimum time delay providing quality guarantee and jitter; … …, respectively; ID of network slice management network element: IDn. QoS parameters: an ID list of a base station, the maximum concurrent connection number, the maximum user registration number, the maximum bandwidth, the bandwidth providing quality assurance, the maximum APN bandwidth, the minimum time delay providing quality assurance, and jitter.
Secondly, the network slice user SLA management network element writes the SLA parameters into the block chain nodes in the management domain of the network slice user SLA management network element through an uplink intelligent contract of the SLA parameters.
And S3, the network slice user SLA management network element returns a successful signing message to the application service provider, and the network slice SLA signing is successful.
Secondly, the block chain nodes in the management domain of the network slice user SLA management network element synchronize SLA parameters to other block chain nodes.
And finally, if an SLA parameter event is acquired by acquiring an intelligent contract of the SLA parameter, determining to receive the SLA parameter, wherein if the creation of a cross-domain network slice is involved, as the block chain nodes in the SLA management network element management domain of a network slice user synchronize the SLA parameter to other block chain nodes, the intelligent contract of acquiring the SLA parameter event in the block chain nodes in other management domains can acquire the new SLA parameter event, and determining to receive the SLA parameter. For example, referring to the cross-domain SLA management architecture based on a block chain shown in fig. 1, when a block link point 131 receives an SLA parameter written by an SLA parameter uplink intelligent contract by a network slice user SLA management network element 121, the SLA parameter is directly synchronized to the block link points 132-13 n, and then the SLA parameter event collection intelligent contracts in the block link points 131-13 n all collect newly added SLA parameter events.
202. The block chain node sends a first message to a network slice management network element corresponding to the ID of the network slice management network element in the SLA parameter; and the network slice management network element determines that a first message sent by the block chain node is received, and creates a target network slice.
Specifically, the network slice management network element receives the first message and creates a target network slice in the management domain of the network slice management network element, where the target network slice includes the target network element.
Further, if the creation of the cross-domain network slice is involved, a newly added SLA parameter event can trigger a plurality of network slice management network elements to create the target network slice at the same time.
203. The block link point issues the QoS parameters to the corresponding network slice management network elements according to the ID of the network slice management network elements; and the network slice management network element acquires the QoS parameters sent by the block chain nodes, and writes the QoS parameters into the QoS template to obtain the QoS parameter template.
The QoS template is pre-configured, for example, the QoS template may be obtained as a default, pre-stored, or rewritten by a back-end administrator.
204. And the network slice management network element issues the QoS parameter template to a target network element in the target network slice.
Specifically, when the target network slice is an end-to-end slice, the network slice management network element issues the QoS parameter template to the core network element and the access network element included in the target network slice, and configures the target network slice using the QoS parameter template to generate the target network slice configured with the QoS parameter template.
And when the target network slice is a non-end-to-end slice, the network slice management network element issues QoS parameter template configuration to the network elements in the target network slice created by the network slice management network element, and the target network slice configured with the QoS parameter template is generated.
Optionally, when the network slice management network element creates the target network slice in step 202, that is, the QoS parameter template in step 204 is needed, or the step 202 and the step 204 can be combined into one step, and when the target network slice is created, the QoS parameter template is directly sent to the response network element.
205. And determining that the target network slice configured with the QoS parameter template is successfully created.
For the method for creating a network slice based on an SLA, an embodiment of the present application provides a method for updating an SLA of a network slice, which is shown in fig. 4 and specifically includes the following steps:
401. and determining that the updated SLA parameters are received by the blockchain nodes, and synchronizing the updated SLA parameters to other blockchain nodes.
The updated SLA parameters include an ID of the network slice management network element and its corresponding updated QoS parameters.
Further, if it is determined that the updated SLA parameter is added with the ID of the new network slice management network element, the block link point executes step 402; if it is determined that the ID list of the network slice management network elements in the updated SLA parameters is not changed, or the IDs of some network slice management network elements are reduced, step 403 is directly performed.
Optionally, 402, the block link node sends a second message to the network slice management network element corresponding to the ID of the network slice management network element newly added in the updated SLA parameter. And the newly-added network slice management network element determines that a second message sent by the block chain node is received, and creates a new target network slice.
403. The block link point transmits the updated QoS parameters to the corresponding network slice management network element according to the ID of the network slice management network element; and the network slice management network element acquires the updated QoS parameters sent by the blockchain node, and writes the updated QoS parameters into the QoS template to obtain the QoS parameter template.
404. And the network slice management network element issues the QoS parameter template to a target network element in the target network slice, and determines that the SLA of the network slice is successfully updated.
In the scheme, as the block chain node determines to receive the SLA parameter, a first message and a QoS parameter are sent to a network slice management network element corresponding to the ID of the network slice management network element in the SLA parameter; the network slice management network element determines that a first message is received, creates a target network slice, writes the QoS parameter into the QoS template to obtain the QoS parameter template, and sends the QoS parameter template to a target network element in the target network slice; and determining that the target network slice configured with the QoS parameter template is successfully created. Therefore, firstly, the QoS parameters can be generated according to the conversion of the SLA protocol, the QoS parameter template can be generated according to the QoS parameters, and then the QoS parameter template is issued to the target network element in the target network slice, so that the QoS parameters can be updated in real time, the condition that the QoS parameters are preset as static global parameters in a QoS mechanism of a traditional mobile network is avoided, and the flexibility of SLA management is improved. Secondly, the SLA parameters can be synchronized to other block chain nodes, data sharing of the SLA parameters is achieved, the requirements for north and south interfaces of the network slice manager are reduced, and compatibility of different manufacturers and different operation management domains when the network slices are in cross-domain is improved. And thirdly, newly-increased SLA parameter events can be acquired in real time through an SLA parameter event acquisition intelligent contract, the newly-increased SLA parameters are converted in time, and the flexibility of SLA management is further improved.
In the embodiment of the present invention, functional modules of the device for creating a network slice based on an SLA may be divided according to the above method embodiment, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. It should be noted that, the division of the modules in the embodiment of the present invention is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
Referring to fig. 5, the present application provides an apparatus for creating an SLA-based network slice, including: a determining module 51, configured to determine that an SLA parameter is received, where the SLA parameter includes an ID of a network slice management network element and a QoS parameter corresponding to the ID, and the QoS parameter is generated by converting, by an SLA management network element of a network slice user, an SLA protocol generated by an application service provider and a network slice service provider through negotiation; a sending module 52, configured to send a first message to the network slice management network element corresponding to the ID of the network slice management network element in the SLA parameter, where the first message is used to instruct the network slice management network element to create a target network slice, and the target network slice includes a target network element; the sending module 52 is further configured to send the QoS parameter to the corresponding network slice management network element according to the ID of the network slice management network element determined and received by the determining module 51, where the QoS parameter is used to instruct the network slice management network element to generate a QoS parameter template, and the QoS parameter template is used to configure a target network element in a target network slice created by the network slice management network element; the determining module 51 is further configured to determine that the target network slice configured with the QoS parameter template is successfully created.
Optionally, the synchronizing module 53 is configured to synchronize the SLA parameter to other blockchain nodes.
Optionally, the determining module 51 is specifically configured to determine that the SLA parameter is received if a new SLA parameter event is collected by the SLA parameter event collection intelligent contract.
In the case of the integrated module, the SLA-based network slice creation apparatus includes: the device comprises a storage unit, a processing unit and an interface unit. The processing unit is used for controlling and managing the action of the creation device of the network slice based on the SLA. And the interface unit is responsible for information interaction between the creation device of the network slice based on the SLA and other equipment. And a storage unit in charge of storing program codes and data of the creation apparatus of the SLA-based network slice.
For example, the processing unit is a processor, the storage unit is a memory, and the interface unit is a communication interface. The apparatus for creating an SLA-based network slice, shown in fig. 6, includes a communication interface 601, a processor 602, a memory 603, and a bus 604, where the communication interface 601 and the processor 602 are connected to the memory 603 through the bus 604.
The Memory 602 may be a Read-Only Memory (ROM) or other type of static storage device that can store static information and instructions, a Random Access Memory (RAM) or other type of dynamic storage device that can store information and instructions, an electrically erasable Programmable Read-Only Memory (EEPROM), a Compact Disc Read-Only Memory (CD-ROM) or other optical Disc storage, optical Disc storage (including Compact Disc, laser Disc, optical Disc, digital versatile Disc, blu-ray Disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited to these. The memory may be self-contained and coupled to the processor via a bus. The memory may also be integral to the processor.
The memory 603 is used for storing application program codes for executing the scheme of the application, and the processor 602 controls the execution. The communication interface 601 is used for information interaction with other devices, for example, information interaction between the creation apparatus supporting the SLA-based network slice and other devices, for example, data acquisition from other devices or data transmission to other devices. The processor 602 is configured to execute the application program code stored in the memory 603, thereby implementing the methods described in the embodiments of the present application.
Referring to fig. 7, the present application provides an apparatus for creating a network slice based on SLA, which is used for a network slice management network element, and includes: a determining module 71, configured to determine that a first message sent by a blockchain node is received, and create a target network slice, where the target network slice includes a target network element; an obtaining module 72, configured to obtain a QoS parameter sent by the blockchain node, where the QoS parameter is generated by a network slice user SLA management network element according to an SLA protocol conversion generated by an application service provider and a network slice service provider in negotiation; a generating module 73, configured to write the QoS parameter obtained by the obtaining module 72 into a QoS template, so as to obtain a QoS parameter template; a sending module 74, configured to send the QoS parameter template generated by the generating module 73 to a target network element in the target network slice; the determining module 71 is further configured to determine that the target network slice configured with the QoS parameter template is successfully created.
In the case of an integrated module, the apparatus for creating an SLA-based network slice for a network slice management network element comprises: the device comprises a storage unit, a processing unit and an interface unit. The processing unit is used for controlling and managing the action of the creation device of the network slice based on the SLA. And the interface unit is responsible for information interaction between the creation device of the network slice based on the SLA and other equipment. And a storage unit in charge of storing program codes and data of the creation apparatus of the SLA-based network slice.
For example, the processing unit is a processor, the storage unit is a memory, and the interface unit is a communication interface. The apparatus for creating the SLA-based network slice, as shown in fig. 8, includes a communication interface 801, a processor 802, a memory 803, and a bus 804, where the communication interface 801 and the processor 802 are connected to the memory 803 via the bus 804.
The processor 802 may be a general-purpose Central Processing Unit (CPU), a microprocessor, an Application-Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to control the execution of programs in accordance with the teachings of the present disclosure.
The Memory 802 may be a Read-Only Memory (ROM) or other type of static storage device that can store static information and instructions, a Random Access Memory (RAM) or other type of dynamic storage device that can store information and instructions, an electrically erasable Programmable Read-Only Memory (EEPROM), a Compact Disc Read-Only Memory (CD-ROM) or other optical Disc storage, optical Disc storage (including Compact Disc, laser Disc, optical Disc, digital versatile Disc, blu-ray Disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited to these. The memory may be self-contained and coupled to the processor via a bus. The memory may also be integral to the processor.
The memory 803 is used for storing application program codes for executing the scheme of the application, and the execution of the application program codes is controlled by the processor 802. The communication interface 801 is used for information interaction with other devices, for example, information interaction between a creation apparatus supporting SLA-based network slices and other devices, for example, data acquisition from other devices or data transmission to other devices. The processor 802 is configured to execute application program code stored in the memory 803 to implement the methods described in the embodiments of the present application.
Further, a computing storage medium (or media) is also provided, which comprises instructions that when executed perform the SLA-based network slice creation method operations in the above embodiments. Additionally, a computer program product is also provided, comprising the above-described computing storage medium (or media).
All relevant contents of each step related to the above method embodiment may be referred to the functional description of the corresponding functional module, and the function thereof is not described herein again.
It should be understood that, in various embodiments of the present invention, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
Those of ordinary skill in the art would appreciate that the various illustrative modules, elements, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, e.g., multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (12)
1. A method for creating network slice based on SLA is characterized in that,
determining received service level agreement SLA parameters, wherein the SLA parameters comprise an ID of a network slice management network element and corresponding service quality QoS parameters, and the QoS parameters are generated by conversion of an SLA agreement generated by a network slice user SLA management network element according to negotiation between an application service provider and a network slice service provider;
sending a first message to a network slice management network element corresponding to the ID of the network slice management network element in the SLA parameter, wherein the first message is used for indicating the network slice management network element to create a target network slice, and the target network slice comprises a target network element;
the QoS parameters are issued to the corresponding network slice management network elements according to the IDs of the network slice management network elements, wherein the QoS parameters are used for indicating the network slice management network elements to generate QoS parameter templates, and the QoS parameter templates are used for configuring target network elements in target network slices created by the network slice management network elements;
and determining that the target network slice configured with the QoS parameter template is successfully created.
2. The method for creating an SLA-based network slice according to claim 1, wherein after determining that the service level agreement SLA parameter is received, further comprising:
synchronizing the SLA parameters to other blockchain nodes.
3. The method for SLA-based network slice creation according to claim 1, wherein the determining to receive service level agreement SLA parameters comprises:
and if the newly added SLA parameter event is acquired through an SLA parameter event acquisition intelligent contract, determining to receive the SLA parameter.
4. A method for creating network slice based on SLA is characterized in that,
determining a first message sent by a received block chain node, and creating a target network slice, wherein the target network slice comprises a target network element;
obtaining a QoS parameter sent by the block chain node, wherein the QoS parameter is generated by a network slice user SLA management network element according to an SLA protocol conversion generated by negotiation between an application service provider and a network slice service provider;
writing the QoS parameters into a QoS template to obtain a QoS parameter template;
sending the QoS parameter template to a target network element in the target network slice;
and determining that the target network slice configured with the QoS parameter template is successfully created.
5. An apparatus for creating a network slice based on SLA, characterized in that,
the system comprises a determining module, a judging module and a judging module, wherein the determining module is used for determining and receiving SLA parameters of a service level agreement, the SLA parameters comprise an ID of a network slice management network element and corresponding service quality QoS parameters, and the QoS parameters are generated by the SLA management network element of a network slice user according to the conversion of an SLA agreement generated by the negotiation between an application service provider and a network slice service provider;
a sending module, configured to send a first message to a network slice management network element corresponding to the ID of the network slice management network element in the SLA parameter determined and received by the determining module, where the first message is used to instruct the network slice management network element to create a target network slice, where the target network slice includes a target network element;
the sending module is further configured to send the QoS parameter to the corresponding network slice management network element according to the ID of the network slice management network element that is determined to be received by the determining module, where the QoS parameter is used to instruct the network slice management network element to generate a QoS parameter template, and the QoS parameter template is used for configuring a target network element in a target network slice created by the network slice management network element;
the determining module is further configured to determine that the creation of the target network slice configured with the QoS parameter template is successful.
6. The apparatus for creating an SLA-based network slice according to claim 5, further comprising:
and the synchronization module is used for synchronizing the SLA parameters to other block chain nodes.
7. The apparatus for SLA-based network slice creation as defined in claim 5,
the determining module is specifically configured to determine that the SLA parameter is received if a newly added SLA parameter event is acquired by an SLA parameter event acquisition intelligent contract.
8. An apparatus for creating network slice based on SLA, which is used for network slice management network element,
the system comprises a determining module, a judging module and a judging module, wherein the determining module is used for determining that a first message sent by a block chain node is received and creating a target network slice, and the target network slice comprises a target network element;
an obtaining module, configured to obtain a QoS parameter sent by the blockchain node, where the QoS parameter is generated by a network slice user SLA management network element through conversion according to an SLA protocol generated by negotiation between an application service provider and a network slice service provider;
the generation module is used for writing the QoS parameters acquired by the acquisition module into a QoS template to obtain a QoS parameter template;
a sending module, configured to send the QoS parameter template generated by the generating module to a target network element in the target network slice;
the determining module is further configured to determine that the creation of the target network slice configured with the QoS parameter template is successful.
9. An apparatus for creating a network slice based on SLA comprises a communication interface, a processor, a memory, and a bus; the memory is used for storing computer-executable instructions, the processor is connected with the memory through the bus, when the creation device of the SLA-based network slice runs, the processor executes the computer-executable instructions stored by the memory, so that the creation device of the SLA-based network slice executes the creation method of the SLA-based network slice according to any one of claims 1 to 3.
10. A creation device of network slice based on SLA is used for network slice management network element, and is characterized in that the creation device comprises a communication interface, a processor, a memory and a bus; the memory is used for storing computer-executable instructions, the processor is connected with the memory through the bus, and when the creation device of the SLA-based network slice runs, the processor executes the computer-executable instructions stored by the memory to make the creation device of the SLA-based network slice execute the creation method of the SLA-based network slice according to claim 4.
11. A computer storage medium comprising instructions, which, when run on a computer, cause the computer to perform the method of SLA-based network slice creation as claimed in any of claims 1-4.
12. A computer program product, characterized in that it comprises instruction code for performing the method of SLA-based network slice creation according to any of claims 1-4.
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