CN111615128A - Multi-access edge computing method, platform and system - Google Patents
Multi-access edge computing method, platform and system Download PDFInfo
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- 238000000034 method Methods 0.000 claims abstract description 23
- 230000003213 activating effect Effects 0.000 claims abstract description 19
- 230000004044 response Effects 0.000 claims description 20
- 230000004913 activation Effects 0.000 claims description 13
- 230000009849 deactivation Effects 0.000 claims description 12
- 230000006870 function Effects 0.000 abstract description 17
- 238000010586 diagram Methods 0.000 description 7
- 230000032258 transport Effects 0.000 description 5
- 210000003311 CFU-EM Anatomy 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4541—Directories for service discovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/20—Negotiating bandwidth
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
Abstract
The invention relates to a multi-access edge computing method, a platform and a system, wherein the method comprises the following steps: registering or updating the availability of services generated for the MEC application instance; activating or deactivating the traffic rules or updating the parameters of the existing traffic rules according to the request of the MEC application program instance; the DNS rules are activated or deactivated upon request by the MEC application instance. The invention provides basic functions such as service registration function, flow control function and DNS configuration required by using MEC service by interacting with MEC application program and data plane.
Description
Technical Field
The invention relates to the field of edge cloud computing, in particular to a multi-access edge computing method, a multi-access edge computing platform and a multi-access edge computing system.
Background
Multi-access Edge Computing (MEC) is crucial in the future 5G communication technology and the layout of everything interconnection due to its low latency, and the application and service of this technology require a suitable distribution and control environment.
As an application of the MEC technology acting on a user side, frequent deployment is required on an edge side in a 5G data network, and an existing cloud computing platform has a large system size, high construction complexity and large requirements on a deployment environment, and cannot meet a large number of deployment requirements; moreover, most of the existing cloud computing platforms refer to the deployment standard in the 4G era, and 5G application services cannot be registered.
Disclosure of Invention
In order to solve the technical problems, the invention provides a multi-access edge computing method, a multi-access edge computing platform and a multi-access edge computing system.
The technical scheme for solving the technical problems is as follows: a multi-access edge calculation method, comprising:
registering or updating the availability of services generated for the MEC application instance;
activating or deactivating the traffic rules or updating the parameters of the existing traffic rules according to the request of the MEC application program instance;
the DNS rules are activated or deactivated upon request by the MEC application instance.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, registering or updating the service generated for the MEC application instance specifically includes:
in response to receiving a service registration message sent by the MEC application instance, registering the new service and registering the availability status of the registered new service, or
Updating the availability status of the service in response to receiving a service availability update message sent by the MEC application instance;
notifying other related MEC application instances after the service registration unit completes registering the new service or after the service update unit completes updating the availability status of the service.
Further, the activating or deactivating the traffic rule or updating the parameter of the existing traffic rule according to the request of the MEC application program instance specifically includes:
in response to receiving a flow rule activation, deactivation or update request sent by an MEC application program instance, activating, deactivating or updating a flow gauge;
forwarding the traffic rule activation, deactivation or update request to a data plane;
sending a response back to the MEC application instance generated after the data plane operates according to the activation, deactivation or update request.
Further, the activating or deactivating the DNS rule according to the request of the MEC application instance specifically includes:
installing a DNS rule in a DNS server or a proxy in response to receiving a DNS rule activation request sent by an MEC application program instance, or deleting the DNS rule from the DNS server or the proxy in response to receiving a DNS rule deactivation request sent by the MEC application program instance;
and generating a response according to the DNS rule activation or deactivation result and sending the response to the MEC application program instance.
Further, still include:
and performing bandwidth allocation registration or updating bandwidth allocation for the MEC application program instance according to the request of the MEC application program instance.
To achieve the above object, the present invention further provides a multi-access edge computing platform, including:
the service registration module is used for registering the service generated by the MEC application program instance or updating the availability of the service;
the flow control module is used for activating or deactivating the flow rule according to the request of the MEC application program instance, or updating the parameter of the existing flow rule;
and the DNS configuration module is used for activating or deactivating the DNS rule according to the request of the MEC application program instance.
Further, still include:
and the bandwidth management module is used for registering or updating the bandwidth for the MEC application program instance according to the request of the MEC application program instance.
The present invention also provides a multi-access edge computing platform, comprising:
a memory configured to store instructions;
a processor coupled to the memory, the processor configured to implement the above-described method based on instructions stored by the memory.
The invention also provides a multi-access edge computing system, which comprises the multi-access edge computing platform, and an MEC application program instance and a data plane which respectively interact with the multi-access edge computing platform.
The present invention also provides a computer readable storage medium, wherein the computer readable storage medium stores computer instructions, which when executed by a processor, implement the above-mentioned method.
The invention has the beneficial effects that: basic functions such as a service registration function, a flow control function, and DNS configuration required for using the MEC service are provided by interacting with the MEC application and the data plane.
Drawings
FIG. 1 is an architecture diagram of a multi-access edge computing platform;
fig. 2 is a flowchart of a multi-access edge calculation method according to an embodiment of the present invention;
FIG. 3 is a flow chart of service registration;
FIG. 4 is a flow diagram of activating/deactivating/updating traffic rules;
FIG. 5 is a platform DNS configuration flow diagram;
fig. 6 is a platform bandwidth allocation flow diagram.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
The Multi-access Edge Computing method provided by the embodiment of the invention is realized based on a Multi-access Edge Computing Platform (MEP), fig. 1 is an architecture diagram of the Multi-access Edge Computing Platform, as shown in fig. 1, the Platform design includes a built-in MEC service, a service registration function, a flow control function and a DNS configuration function, and the Platform interacts with an MEC application program and a data plane on both sides respectively. The MEP is deployed on Edge-IaaS or Edge-CaaS, and one set of equipment room is deployed in each Edge station.
The MEP may provide functions of, among other things, registering for services generated by the MEC application; secondly, the control of the data plane routing forwarding rule in the virtualization infrastructure can be completed according to the data stream routing rule from the MEC application and the MEC service; third, DNS configuration information of the MEC manager may be manually configured or accepted to configure the DNS; finally, MEC services, such as bandwidth management services, may be hosted.
Fig. 2 is a flowchart of a method for calculating multiple access edges according to an embodiment of the present invention, and as shown in fig. 2, the method includes:
Specifically, the step corresponds to a service registration function of the platform, and the MEC service registration provided by the MEP means that when the MEC application registers the service, the platform is notified that the service provided by the application is available for the first time, and then the platform notifies the authorized related application of the newly available service. As part of the service registration, relevant information about the service will be provided to the MEP, and the service will be bound to the transport provided by the platform or the application itself. In addition, authorized related applications will also be notified of the service availability change for the service. In this case, the service-generated edge application updates the state change on the generated edge service at the MEP; the MEP notifies authorized related applications of the change in service availability.
As shown in fig. 3, which is a flow chart of service registration, there are two scenarios for this process. The scenario is that when the MEC application generates a new service to be registered, the following steps are mainly performed:
a. if an application needs to use the transport provided by the MEP (in its configuration file there is information about this application, including associated transport dependencies, services necessary to support its normal operation and optional services, etc.), first, if there is a declarative transport in the configuration, then the available platform transports will be discovered, and then one or more will be selected for use by the new service;
b. after the new service is available, the application instance that generated the service sends a new service registration message to the MEP;
the mep identifies the relevant application instance (e.g., the application that marked this service as "optional" or "required") for this update, and sends an available notification of the new service to the relevant application instance;
d. application instance confirmation notification (optional);
the second scenario is that when the application program instance needs to update the generated service, the following steps are required:
a. when the service availability is changed, the application instance generating the service will send a service availability update message to the MEP;
MEP updating service registry;
the mep will identify the relevant application instance (e.g., the application indicating service as "optional" or "required") for this update and send a service availability notification to the relevant application instance;
d. the application instance acknowledges the notification (optional).
Specifically, the step corresponds to a flow control function of the platform, and the flow routing control means that the MEP routes the flow to a target application program in the distributed cloud by configuring a data plane. When an MEC application completes instantiation, data is routed to the application when it is ready to accept traffic and the MEP has configured the data plane. When deployed in a 5G network, MEPs may request flow control by sending information identifying the flow to be controlled. The MEP can also utilize tools provided by the 5G system to monitor user-related mobility events of MEC application instances in the local cloud, subscribe to notifications from the session management function, which can use the notifications to trigger steps for traffic routing configuration or application relocation.
Fig. 4 is a flow chart of activating/deactivating/updating traffic rules. An application instance may request an MEP to activate or deactivate a traffic rule, or may request an MEP to update a parameter of an existing traffic rule. As shown in fig. 3, the application instance sends a traffic rule activation/deactivation/update request to the MEP. The message identifies one or more traffic rules to be activated, deactivated, or updated. Likewise, the MEP sends an update request to the data plane. If the request is authorized, the MEP may update the data plane. The data plane sends a response back to the application instance, and the MEP sends a response back to the application instance to indicate the result of the operation.
Specifically, this step corresponds to a DNS configuration function of the platform, where the DNS configuration means that the MEP receives application DNS rules from the MEC manager, and based on configuration or following an activation request from the MEC application, the MEP configures an IP address and its mapping between a fully qualified domain name and DNS according to these rules.
Fig. 5 is a platform DNS configuration flow diagram. An application instance may request that the MEP activate or deactivate DNS rules. If the request is authorized and the MEP successfully finds the preconfigured and authenticated corresponding DNS rule based on the information contained in the request, the MEP will install or delete the DNS rule from the DNS server/proxy. The MEP sends a response to the application instance. The response contains the result (success or failure) of DNS rule activation/deactivation.
Optionally, in this embodiment, the method further includes:
and 24, performing bandwidth allocation registration or updating bandwidth allocation on the MEC application program instance according to the request of the MEC application program instance.
This step corresponds to the bandwidth management function of the platform, and the MEP hosting bandwidth management service means that MEPs specify the bandwidth size and priority for different applications running in parallel. In some cases, different bandwidths are specified for the same application in different sessions. Furthermore, application-driven sessions run by closer users may gain unfair advantages over application-driven sessions run from a more distant location. There is an optional central bandwidth allocator service on the MEPs that uses a set of filters in the resource request to identify specific sessions and applications to allocate bandwidth resources. The application may use the bandwidth management service to update bandwidth information to the MEP or receive bandwidth information from the MEP. The central bandwidth allocator service may aggregate all requests and operate in a manner that helps optimize bandwidth usage.
Fig. 6 is a platform bandwidth allocation flow diagram. The application may use the bandwidth management service to update bandwidth information to the MEP or receive bandwidth information from the MEP. The bandwidth management API enables all registered applications to statically and/or dynamically register the bandwidth allocation for each session or application. The bandwidth management API contains HTTP protocol bindings for bandwidth management functions using REST architectural styles. When an application needs to register with the bandwidth management service, the application instance sends a registration request to the bandwidth management service with the requested bandwidth requirements (bandwidth size/priority), and the bandwidth management service registers and initiates approval. When an application needs to update a bandwidth requirement at a bandwidth management service, the application instance sends a request to update a particular bandwidth allocation at the bandwidth management service, which responds with an update approval.
Optionally, in this embodiment, the method further includes:
step 25 provides time information access to the MEC application instance.
Specifically, the MEP providing time information access refers to a step of acquiring by using the current time by the MEP, and provides time information for the MEC application for requirements of notification, log, packet receiving and sending timestamps, and the like. Higher time accuracy can be achieved by using special protocols that allow for timed transmissions over packet networks (e.g., NTP, etc.).
The MEP mainly realizes functions of offload rule management, DNS distribution, API gateway capability and the like of an edge data center, and is a control module between an edge network element (UPF, such as a data plane) and an application access Endpoint (Endpoint, namely a DNS domain name or an IP address: port mode), so that finer edge access management control is realized, and an environment is provided for realizing discovery, release, use and MEC service of the MEC application.
Corresponding to the foregoing method, an embodiment of the present invention provides a multi-access edge computing platform, where functional principles of each module in the platform have been specifically described in the foregoing method embodiment, and are not described herein again, and the platform includes:
the service registration and update module is used for registering the service generated by the MEC application program instance or updating the availability of the service;
the flow control module is used for activating or deactivating the flow rule according to the request of the MEC application program instance, or updating the parameter of the existing flow rule;
and the DNS configuration module is used for activating or deactivating the DNS rule according to the request of the MEC application program instance.
Optionally, in this embodiment, the platform further includes:
and the bandwidth management module is used for registering or updating the bandwidth for the MEC application program instance according to the request of the MEC application program instance.
The embodiment of the invention provides a multi-access edge computing platform, which comprises:
a memory configured to store instructions;
a processor coupled to the memory, the processor configured to implement the above-described method based on instructions stored by the memory.
An embodiment of the present invention provides a multi-access edge computing system, which includes the above multi-access edge computing platform, and an MEC application instance and a data plane that interact with the multi-access edge computing platform respectively.
Embodiments of the present invention provide a computer-readable storage medium, where the computer-readable storage medium stores computer instructions, and the instructions are executed by a processor to implement the above-mentioned method.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the modules and units in the above described system embodiment 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 apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.
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 of the present invention.
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 integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit 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 essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product stored in a storage medium and including 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.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for multiple access edge computation, comprising:
registering or updating the availability of services generated for the MEC application instance;
activating or deactivating the traffic rules or updating the parameters of the existing traffic rules according to the request of the MEC application program instance;
the DNS rules are activated or deactivated upon request by the MEC application instance.
2. The method according to claim 1, wherein registering the service generated for the MEC application instance or updating the availability of the service specifically comprises:
in response to receiving a service registration message sent by the MEC application instance, registering the new service and registering the availability status of the registered new service, or
Updating the availability status of the service in response to receiving a service availability update message sent by the MEC application instance;
notifying other related MEC application instances after the service registration unit completes registering the new service or after the service update unit completes updating the availability status of the service.
3. The method according to claim 1, wherein the activating or deactivating the traffic rules or updating the parameters of the existing traffic rules according to the request of the MEC application instance specifically comprises:
in response to receiving a flow rule activation, deactivation or update request sent by an MEC application program instance, activating, deactivating or updating a flow gauge;
forwarding the traffic rule activation, deactivation or update request to a data plane;
sending a response back to the MEC application instance generated after the data plane operates according to the activation, deactivation or update request.
4. The method according to claim 1, wherein the activating or deactivating the DNS rule according to the request of the MEC application instance specifically comprises:
installing a DNS rule in a DNS server or a proxy in response to receiving a DNS rule activation request sent by an MEC application program instance, or deleting the DNS rule from the DNS server or the proxy in response to receiving a DNS rule deactivation request sent by the MEC application program instance;
and generating a response according to the DNS rule activation or deactivation result and sending the response to the MEC application program instance.
5. The multiple access edge calculation method according to any one of claims 1 to 4, further comprising:
and performing bandwidth allocation registration or updating bandwidth allocation for the MEC application program instance according to the request of the MEC application program instance.
6. A multi-access edge computing platform, comprising:
the service registration module is used for registering the service generated by the MEC application program instance or updating the availability of the service;
the flow control module is used for activating or deactivating the flow rule according to the request of the MEC application program instance, or updating the parameter of the existing flow rule;
and the DNS configuration module is used for activating or deactivating the DNS rule according to the request of the MEC application program instance.
7. The multi-access edge computing platform of claim 6, further comprising:
and the bandwidth management module is used for registering or updating the bandwidth for the MEC application program instance according to the request of the MEC application program instance.
8. A multi-access edge computing platform, comprising:
a memory configured to store instructions;
a processor coupled to the memory, the processor configured to perform implementing the method of any of claims 1-5 based on instructions stored by the memory.
9. A multi-access edge computing system comprising the multi-access edge computing platform of any of claims 6-8, and an MEC application instance and a data plane that interact with the multi-access edge computing platform, respectively.
10. A computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions which, when executed by a processor, implement the method of any one of claims 1-5.
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| CN112312481A (en) * | 2020-09-25 | 2021-02-02 | 网络通信与安全紫金山实验室 | Communication method and system for MEC and multi-operator core network |
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| WO2022057724A1 (en) * | 2020-09-16 | 2022-03-24 | 华为技术有限公司 | Data offloading method and device |
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