WO2016045082A1 - 一种策略实现方法和装置以及系统 - Google Patents

一种策略实现方法和装置以及系统 Download PDF

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Publication number
WO2016045082A1
WO2016045082A1 PCT/CN2014/087535 CN2014087535W WO2016045082A1 WO 2016045082 A1 WO2016045082 A1 WO 2016045082A1 CN 2014087535 W CN2014087535 W CN 2014087535W WO 2016045082 A1 WO2016045082 A1 WO 2016045082A1
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Prior art keywords
policy
management entity
information
meta
needs
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PCT/CN2014/087535
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English (en)
French (fr)
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陈煜樵
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华为技术有限公司
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Priority to CN201480007360.2A priority Critical patent/CN105659526B/zh
Priority to PCT/CN2014/087535 priority patent/WO2016045082A1/zh
Publication of WO2016045082A1 publication Critical patent/WO2016045082A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/40Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using virtualisation of network functions or resources, e.g. SDN or NFV entities

Definitions

  • the embodiments of the present invention relate to the field of communications, and in particular, to a policy implementation method, apparatus, and system.
  • NFV Network Function Virtualization
  • NS Network Service
  • VNF Virtualized Network Function
  • NS or VNF instances deploy policies related to lifecycle management during the entire lifecycle of NFVI operations. Through the automatic execution of these policies, NS or VNF can be enhanced with NFVI resource occupancy changes, NS/VNF's own services. Automated processing capability in the case of load changes, etc.
  • the existing policy implementation device includes: a policy engine and a data provider, where the policy engine saves the defined policy meta information, and the user passes the The client extracts the policy meta information from the policy engine, and the client assembles the definition policy according to the extracted policy meta information. After the definition is completed, the defined policy is set to be effective in the policy engine.
  • the data provider provides the defined data content to the policy engine.
  • the policy engine obtains the data required for the policy execution from the data provider, and judges the satisfaction of the rule conditions related to the policy according to the acquired data, and automatically satisfies the policy-related rule conditions. Execute the action set in the rule to change the behavior of the system to the direction of the target result preset by the policy.
  • the inventors of the present invention found in the process of implementing the present invention that the policy meta-information already defined in the policy engine is statically fixed, and when the management and orchestration of the NFV needs to support a new NS or VNF, and these new NS or VNF When it comes to policy meta information that is not supported by the original policy engine, it will affect the adaptability of the new NS or VNF support. This requires updating the policy engine to support the new NS or VNF, and the update of the policy engine. Affect the stability of the policy engine.
  • the embodiment of the invention provides a policy implementation method, device and system, which can implement a new policy without updating the policy engine.
  • an embodiment of the present invention provides a policy implementation method, including:
  • the management entity adds to the management of the network function virtualization and orchestrate the NFV MANO system, the newly added policy element information that the management entity needs to support is obtained;
  • the policy After determining that the client assembles the policy, the policy is obtained from the client, and the obtained policy is sent to the policy engine, so that the policy engine automatically executes the policy.
  • Strategy meta information including:
  • Strategy meta information including:
  • the policy meta-information description content that the management entity needs to support is obtained from the policy meta-information description template;
  • the policy meta information is parsed according to the policy meta information description content.
  • the policy meta information description template includes:
  • condition attribute attribute information of the management entity The condition attribute attribute information of the management entity, the action element information of the management entity, and the constraint restriction condition when assembling the policy.
  • the method further includes:
  • the acquiring, by the obtaining, the acquiring manner of the policy execution data that is obtained when the management entity is instantiated includes: :
  • the policy meta-information description template further includes: a manner of acquiring the policy execution data that needs to be acquired when the management entity is instantiated;
  • the seventh aspect in the first aspect in combination with the first aspect or the first possible second or first possible or the fourth possible or the fifth possible or the sixth possible possible implementation of the first aspect, the seventh aspect in the first aspect
  • the obtaining, by the client, the policy includes:
  • the seventh aspect in the first aspect includes: a network service NS, and/or a virtual network function VNF.
  • the embodiment of the present invention further provides a policy implementation apparatus, including:
  • the obtaining module is configured to obtain, when the management entity adds to the management of the network function virtualization and orchestrate the NFV MANO system, the newly added policy meta information that the management entity needs to support;
  • a sending module configured to send the policy meta information to a policy engine, so that the policy engine automatically stores the policy meta information, so that the client automatically obtains the policy meta information from the policy engine and assembles the policy into a policy ;
  • a policy management module configured to: after the client assembles the policy, obtain the policy from the client, and send the obtained policy to the policy engine, so that the policy engine The policy is executed automatically.
  • the acquiring module includes:
  • a first obtaining sub-module configured to: when a management entity is added to the NFV MANO system, obtain a management entity template corresponding to the management entity, where the management entity template includes: a description of the policy meta-information that the management entity needs to support content;
  • the policy meta information generating submodule is configured to generate the policy meta information according to the policy meta information description content.
  • the acquiring module includes:
  • a second obtaining sub-module configured to: when detecting that a management entity is added to the NFV MANO system, obtain, from the policy meta-information description template, the policy meta-information description content that the management entity needs to support;
  • the policy meta-information sub-module is configured to parse the policy meta-information according to the policy meta-information description content.
  • the policy meta information description template includes:
  • condition attribute attribute information of the management entity The condition attribute attribute information of the management entity, the action element information of the management entity, and the constraint restriction condition when assembling the policy.
  • the obtaining module is further configured to obtain, after acquiring the newly added policy element information that the management entity needs to support, acquiring an acquiring manner of the policy execution data that needs to be acquired when the management entity is instantiated;
  • the sending module is further configured to send the method for acquiring the policy execution data to the data provider, so that the data provider automatically obtains the policy execution data according to the manner in which the policy execution data is acquired.
  • the acquiring module includes:
  • a third acquiring sub-module configured to acquire a management entity template corresponding to the management entity, where the management entity template includes: a method for acquiring policy execution data that needs to be acquired when the management entity is instantiated;
  • the first parsing sub-module is configured to parse the acquiring manner of the policy execution data from the management entity template.
  • the acquiring module includes:
  • the fourth obtaining sub-module is configured to obtain the generated policy meta-information description template, where the policy meta-information description template further includes: a manner of acquiring the policy execution data that needs to be acquired when the management entity is instantiated;
  • the second parsing sub-module is configured to parse the acquiring manner of the policy execution data from the policy meta-information description template.
  • the seventh aspect in the second aspect is specifically configured to obtain an initial policy, where the initial policy is generated after initial assembly of the policy meta-information; and obtaining, by the client, modifying the initial policy to generate The strategy described.
  • the management entity includes: a network service NS, and/or a virtual network function VNF.
  • the embodiment of the present invention further provides an NFV MANO system, comprising: the policy implementation apparatus, the policy engine, and the client, according to any one of the foregoing second aspects, wherein
  • the policy engine is configured to receive the policy meta-information sent by the policy implementation apparatus, automatically store the policy meta-information, receive the policy acquired by the policy implementation apparatus, and automatically execute the policy;
  • the client is configured to automatically acquire the policy meta information from the policy engine and assemble the policy into a policy.
  • the NFV MANO system further includes: a data provider, where
  • the data provider is configured to receive the policy execution data sent by the policy discovery device
  • the obtaining manner automatically acquires the policy execution data according to the manner in which the policy execution data is acquired.
  • the policy element information that the newly added management entity needs to support is obtained, and the policy element information is sent to the policy engine, so that the policy engine automatically stores the policy meta information, so that the policy engine automatically stores the policy meta information.
  • the policy meta-information is automatically obtained from the policy engine and assembled into a policy
  • the client assembly completion policy is determined, the policy is obtained from the client, and the acquired policy is sent to the policy engine, so that the policy engine automatically executes the policy.
  • the policy engine can receive the policy meta information that the newly added management entity needs to support, and the client can automatically assemble the policy according to the policy meta information, and the policy engine obtains the policy from the client. After the policy is executed, the assembled strategy is automatically executed. For the policy engine, the newly added strategy can be obtained without updating, so the stability of the policy engine is not affected.
  • FIG. 1 is a schematic block diagram of a method for implementing a policy according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a method for implementing a policy according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of an acquisition module according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of another acquisition module according to an embodiment of the present disclosure.
  • FIG. 2 is a schematic structural diagram of another acquisition module according to an embodiment of the present disclosure.
  • 2 e is a schematic structural diagram of another acquisition module according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of another apparatus for implementing a policy according to an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a structure of an NFV MANO system according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of another NFV MANO system according to an embodiment of the present invention.
  • the embodiment of the invention provides a policy implementation method, device and system, which can implement a new policy without updating the policy engine.
  • An embodiment of the policy implementation method of the present invention is applicable to the management and orchestration of the newly added management entity.
  • the method for implementing the policy provided by the embodiment of the present invention may specifically include the following steps 101 and 102. , 103, followed by a detailed description.
  • the management entity is added to the Network Function Virtualization Management and Orchestration (NFV MANO) system, the policy meta-information that the newly added management entity needs to support is obtained.
  • NFV MANO Network Function Virtualization Management and Orchestration
  • the NFV MANO system is initially provided with one or more management entities, and the management entity may specifically include: a network service (NS), and/or a virtual network function (Virtualized Network Function, VNF).
  • the management entity may also refer to an entity for implementing other service functions.
  • the policy meta information that needs to be supported by the initially set management entity is already stored in the policy engine, and the user extracts the policy meta information from the policy engine through the client.
  • the terminal assembles the definition policy according to the extracted policy meta information, and the defined policy is set to be valid in the policy engine after the definition is completed.
  • the data provider provides the defined data content to the policy engine.
  • the policy engine obtains the data required for the policy execution from the data provider, and judges the satisfaction of the rule conditions related to the policy according to the acquired data, and automatically satisfies the policy-related rule conditions.
  • the actions set in the rule are executed to change the behavior of the NFV MANO system to the direction of the target result set by the strategy.
  • the NFV MANO system needs to implement new functions, it needs to add a new management function to the NFV MANO system.
  • it is implemented by updating the policy engine, which requires re-creating the code of the policy engine.
  • the update of the policy engine affects the stability of the policy engine and updates the policy engine
  • the newly added management entity may not be able to adapt to the updated policy engine, and there is a compatibility issue.
  • the policy engine in the NFV MANO system, can be well adapted to the initially set management entity, but when the NFV MANO system needs to implement new functions and the added management entity, there is compatibility and stability. The problem.
  • Step 101 begins to execute, first obtaining the policy meta information (English name is Policy metadata) that the newly added management entity needs to support, wherein the policy meta information is meta information for defining the policy, and the policy definition process is through the pair of meta The process of assembling information into a set of policies and related rules.
  • the policy element information may include: condition attribute attribute information, action element information, and constraint restriction conditions of the assembly policy rule.
  • the example is as follows:
  • the newly added management entity in the NFV MANO system is a VNF, and the VNF needs to support the policy meta information.
  • the conditional meta information is the user load (English name is userload)
  • the action meta information is expansion (English name is scaleout)
  • the constraint constraint condition is that userload/scaleout is only applicable to the VNF object entity, then the meta information can be assembled and defined.
  • the policy implementation device performs real-time detection on a new management entity in the NFV MANO system. If there is a newly added management entity, the policy implementation device first obtains the newly added target entity for the newly added management entity.
  • the policy meta-information that needs to be supported is different for different management entities. What kind of policy meta-information needs to be supported by the newly added management entity needs to be determined by the issuer of the management entity.
  • the publisher in the NFV MANO system describes the policy meta-information that the newly added management entity needs to support in the template, so the strategy
  • the implementation device may obtain the policy meta information through the template in the NFV MANO system.
  • step 101 acquires the policy element that the newly added management entity needs to support when the management entity is added to the NFV MANO system.
  • the information may specifically include the following steps:
  • A1 When it is detected that a management entity is added to the NFV MANO system, the management entity template corresponding to the management entity is obtained, and the management entity template includes: a description of the policy meta-information that the management entity needs to support;
  • A2 Generate policy meta information according to the description of the content of the policy meta information.
  • step A1 when there is a newly added management entity in the NFV MANO system, a management entity template is saved in the NFV MANO system, and the management entity template is used to describe the policy meta information that the management entity needs to support, in the management entity template.
  • the content of the above-mentioned policy meta-information is recorded in the document.
  • the management entity template is provided by the publisher.
  • the content format in the management entity template needs to follow the conventions implemented by the NFV MANO system.
  • the management entity template corresponding to the newly added NS or VNF is specifically: a Network Service Descriptor (NSD) or a virtual network function template (Virtualized).
  • NSD Network Service Descriptor
  • Virtualized Virtualized
  • the NSD includes the description of the policy meta-information that needs to be supported by the NS.
  • the VNFD includes the description of the policy meta-information that needs to be supported by the VNF.
  • the policy element information description content includes the condition attribute attribute information of the management entity, the action element information of the management entity, and the constraint restriction condition when the policy is assembled, and the policy implementation device obtains the description content of the policy element information from the management entity template.
  • Step A2 is executed to describe the content generation policy element information according to the policy element information.
  • the policy element information is required to be supported by the newly added management entity.
  • the process of generating the policy element information may refer to the prior art, and details are not described herein again.
  • the step 101 obtains the policy meta-information that the newly added management entity needs to support when the management entity is added to the NFV MANO system, and specifically includes the following steps:
  • the policy implementation device detects the newly added management entity in the NFV MANO system, and when detecting the newly added management entity, first obtains what kind of policy meta information description content the management entity needs to support, according to
  • the policy meta-information description content determines what kind of policy meta-information needs to be supported by the management entity, and obtains the policy meta-information description content from the policy meta-information description template provided by the publisher, and the content of the policy meta-information description template generated by the publisher needs to follow
  • the NFV MANO system specifies the template implementation.
  • the policy meta-information description template allows the NFV MANO system to automatically add policy meta-information. Further, the policy meta-information description template may specifically include the following steps: managing the entity's conditional attribute element.
  • the information, the action element information of the management entity, and the constraint constraints when assembling the policy, the policy meta information can be parsed by the policy meta information description template.
  • the policy discovery device can automatically increase the policy of the NFV MANO system through the policy meta-information template.
  • the NFV MANO system provides an operation for uploading a policy meta-information description template.
  • the publisher uploads the content of the prepared policy meta-information description template to the NFV MANO system, and the policy discovery device in the NFV MANO system parses the policy meta-information description template.
  • the life cycle management is performed according to the parsed policy meta information describing the content carried by the template.
  • the acquisition of the policy meta-information specifically describes that the template of the management entity template or the policy meta-information can be implemented.
  • the NFV MANO system can be independently provided.
  • the policy meta-information description template may also be embedded in the management entity template to embed the policy meta-information description template.
  • the policy meta-information description template is embedded in the NSD/VNFD, and the specific implementation manner is not limited.
  • the policy implementation device detects the NFV MANO system and can adapt the environment change of the NFV MANO system.
  • the policy implementation device adaptively acquires a new one.
  • the added management entity needs to support the policy meta information, and then sends the obtained policy meta information to the policy engine.
  • the policy engine automatically stores the received policy meta information under the trigger of the policy implementation device sending the policy meta information, and the client The terminal automatically acquires the policy meta information from the policy engine and assembles it into a policy under the trigger of the policy implementation device.
  • the policy (English name is Policy)
  • the strategy is to automatically execute the set of rules related to the policy to reach the preset result target, and the policy preset goal is achieved by automatically executing a set of related rules.
  • the rule (English name is Rule) is a combination of the condition (English name is condition) and the action (English name is action) applied to the management entity, and one rule is used to describe the setting action that should be automatically executed after the set condition is satisfied. Rules are related to policies, and rules are used to achieve policy-predefined outcome goals.
  • the policy engine is used to manage the client-assembled policy and execute the policy.
  • the user needs to assemble the configuration through the client, and the NFV MANO system gives the policy element such as the condition/action.
  • the user assembles the strategy according to his own requirements through the client, for example, gives the VNF load load condition item, the action includes scaleout, shrinkage (English name is scalein), a user wants load>90 to perform scaleout; and another user It is hoped that load>80 performs scaleout, and the condition value needs to be set by the user through the client, and different users need to Different, then different users will assemble different strategies through the client.
  • the new function of the NFV MANO system can be implemented without updating the policy engine, and the policy implementation device can adaptively acquire the
  • the newly added management entity needs to support the policy meta information, that is, the policy discovery device extracts the policy meta information from the management entity template or the policy metadata description template, and the new policy meta information is added to the policy engine. It is the policy discovery device that is automatically completed.
  • the policy engine can receive the policy meta information that the newly added management entity needs to support from the policy implementation device.
  • the policy engine itself does not need to modify the code to support this new function.
  • the policy implementation device can adaptively acquire the policy meta information that the newly added management entity needs to support, and the policy implementation device has an adaptive capability to the environment change of the NFV MANO system, and can actively obtain the policy meta information that the added management entity needs to support.
  • the policy engine also actively stores the policy meta information under the trigger of the policy implementation device, and the client generates the policy triggered by the policy implementation device.
  • the policy discovery method provided by the embodiment of the present invention may further include the following steps:
  • C1 Acquire an acquisition manner of the policy execution data that needs to be obtained when the management entity is instantiated
  • the method for obtaining the policy execution data is sent to the data provider, so that the data provider automatically obtains the policy execution data according to the manner in which the policy execution data is acquired.
  • the management entity After the management entity is added to the NFV MANO system, the management entity is instantiated by the management entity template. The management entity needs to obtain the policy execution data when instantiating.
  • the policy execution data is valid in the policy engine.
  • the policy discovery device When the policy is executed, the policy discovery device first acquires the manner in which the policy execution data is acquired, and then actively sends the policy execution data acquisition manner to the data provider, and the data provider executes the policy according to the policy triggered by the policy discovery device.
  • the method of obtaining data automatically acquires the policy execution data.
  • the data provider In the NFV MANO system, the data provider is used to provide policy execution data, and the policy engine determines the satisfaction of the rule condition according to the policy execution data provided by the data provider, and automatically executes the rule setting when the policy-related rule condition is met. action.
  • the data provider obtains the policy execution data according to the acquisition manner provided by the policy discovery device, triggered by the policy discovery device.
  • the newly added management entity needs to support the policy metadata for assembling the policy rules, which reflects the customization capabilities of the NFV MANO system, such as: according to the policy metadata: ⁇ conditional userload, action scaluein/scaleout ⁇ supporting VNF Can be assembled into a strategy;
  • the number of users can be determined by the user number (that is, the added policy meta information) to trigger the scaleout action according to the prior art. It is necessary to modify the code for the policy engine and the data provider, including adding the usernumber condition, and obtaining the value of the user number at different times (new policy execution data). In the embodiment of the present invention, the new addition can be supported in order to solve the problem without changing the code.
  • the user number policy meta-information and the newly added policy for executing the policy of the usernumber value at different times only the policy execution device acquires the newly added policy meta-information and adaptively sends it to the policy engine to obtain the newly added policy execution data.
  • the method is adaptively sent to the data provider, and the data provider automatically obtains the newly added policy execution data.
  • step C1 acquires a method for acquiring the policy execution data that needs to be obtained when the management entity is instantiated, and specifically includes the following steps:
  • the way to obtain the policy execution data is parsed from the management entity template.
  • the management entity template when there is a newly added management entity in the NFV MANO system, the management entity template is saved in the NFV MANO system, and the management entity template is provided by the publisher.
  • the content format in the management entity template needs to comply with the agreement implemented by the NFV MANO system.
  • the management entity template includes how to obtain the policy execution data that needs to be obtained when the management entity is instantiated.
  • the management entity template corresponding to the newly added NS or VNF is specifically: NSD or VNFD, and the NSD includes the information that needs to be obtained when the NS is instantiated.
  • the method for obtaining the policy execution data includes the method for obtaining the policy execution data that needs to be obtained when the VNF is instantiated.
  • the management entity template records the storage method and the acquisition address of the policy execution data that the management entity needs to support, and the policy implementation device parses the management entity template, and can obtain the storage manner and the acquisition address of the policy execution data.
  • step C1 requires that the management entity be instantiated.
  • the method for obtaining the obtained policy execution data may include the following steps:
  • Obtaining the policy meta-information description template where the policy meta-information description template further includes: acquiring a policy execution data that needs to be acquired when the management entity is instantiated;
  • the method for obtaining the policy execution data is parsed from the policy meta information description template.
  • the function of the policy meta-information description template in the embodiment of the present invention is that, in addition to the NFV MANO system automatically adding policy meta-information, the role of the policy meta-information description template is also The newly added policy meta-information-related policy execution data acquisition and action triggering. Therefore, in addition to the policy meta-information description content, the generated policy meta-information description template further includes: a management entity The method for obtaining the policy execution data that needs to be obtained is instantiated. The policy discovery device obtains the policy meta-information description template and parses the policy execution data acquisition method from the policy meta-information description template.
  • the policy After determining the client assembly completion policy, the policy is obtained from the client, and the obtained policy is sent to the policy engine, so that the policy engine automatically executes the policy.
  • the client automatically obtains the policy meta information that needs to be assembled from the policy engine, and the client assembles and defines the policy according to the extracted policy meta information, and the assembled strategy is newly added in the NFV MANO system.
  • the policy that the management entity needs to support For the description of the policy, please refer to the foregoing description.
  • the policy discovery device may obtain the policy from the client and send the acquired policy to the policy engine.
  • the policy engine receives the policy from the policy discovery device, the policy engine automatically pairs The strategy is executed.
  • the meaning of the policy engine execution policy is specifically: the policy engine determines the satisfaction of the rule conditions related to the policy according to the acquired data, and automatically performs the action set in the rule when the policy-related rule condition is met, so as to change the NFV MANO system.
  • the behavior is performed in the direction of the target result of the strategy pre-set.
  • the new function of the NFV MANO system can be implemented without updating the policy engine, and the policy implementation device can trigger the client to automatically execute.
  • the composition of the policy, and the client-assembled strategy is added to the policy engine, this process is automatically completed by the policy discovery device.
  • the policy engine can receive the newly added management entity from the policy implementation device, and the policy engine itself does not need to modify the code to support this new function.
  • the policy implementation device can adaptively acquire a policy composed of the client from the client, and the policy implementation device has an adaptive capability to the environment change of the NFV MANO system, and can actively acquire the policy, and the policy engine is also triggered by the policy implementation device.
  • the policy discovery method performed by the policy discovery device does not require any update to the policy engine, and the policy engine is in the policy discovery device.
  • the triggering can automatically execute the strategy that the newly added management entity needs to support, thereby changing the NFV MANO system behavior to the direction of the target result set by the strategy.
  • obtaining a policy from a client may specifically include the following steps:
  • the client composition policy may have two implementation manners, one is that the client assembles the policy according to the policy meta information, and the other is that the policy discovery device obtains the initial set by the user from the management entity template.
  • the policy uses the policy meta-information to perform initial assembly and obtains the initial policy.
  • the initial policy set by the user can be directly effective in the policy engine, or the initial policy can be directly used for the execution of the policy engine.
  • the initial policy needs to be modified, and the user can modify the initial policy through the client to generate a policy that the newly added management entity needs to support.
  • the policy element information that the newly added management entity needs to support is obtained, and the policy element information is sent to the policy engine, so that the policy engine automatically stores the policy.
  • Meta-information in order to automatically obtain policy meta-information from the policy engine and assemble into a policy, determine the client assembly completion policy, obtain the policy from the client, and send the obtained policy to the policy engine, so that the policy engine executes automatically Strategy.
  • the policy engine can detect the newly added management entity, the policy engine can receive the policy meta information that the newly added management entity needs to support, and the client can automatically assemble the policy according to the policy meta information, and the policy engine obtains the policy from the client. After the policy is executed, the assembled strategy is automatically executed.
  • the newly added strategy can be obtained without updating, so the stability of the policy engine is not affected.
  • a policy discovery apparatus 200 may include: an obtaining module 201, a sending module 202, and a policy management module 203, where
  • the obtaining module 201 is configured to obtain, when the management entity adds to the management of the network function virtualization and the NFV MANO system, the newly added policy meta information that the management entity needs to support;
  • the sending module 202 is configured to send the policy meta information to the policy engine, so that the policy engine automatically stores the policy meta information, so as to automatically acquire the policy meta information from the policy engine and assemble the policy into a policy;
  • a policy management module 203 configured to: after the client assembles the policy, obtain the policy from the client, and send the obtained policy to the policy engine, so that the policy is The engine automatically executes the policy.
  • the obtaining module 201 includes:
  • the first obtaining sub-module 2011 is configured to: when detecting that a management entity is added to the NFV MANO system, acquire a management entity template corresponding to the management entity, where the management entity template includes: policy meta-information that the management entity needs to support Description content;
  • the policy meta information generating submodule 2012 is configured to generate the policy meta information according to the policy meta information description content.
  • the obtaining module 201 includes:
  • the second obtaining sub-module 2013 is configured to: when detecting that a management entity is added to the NFV MANO system, obtain, from the policy meta-information description template, the policy meta-information description content that the management entity needs to support;
  • the policy meta-information sub-module 2014 is configured to parse the policy meta-information according to the policy meta-information description content.
  • the policy meta information description template includes:
  • condition attribute attribute information of the management entity The condition attribute attribute information of the management entity, the action element information of the management entity, and the constraint restriction condition when assembling the policy.
  • the obtaining module 201 is further configured to obtain, after acquiring the newly added policy element information that the management entity needs to support, obtaining the management entity to be instantiated. The method of obtaining the executed policy data;
  • the sending module 202 is further configured to send the method for acquiring the policy execution data to the data provider, so that the data provider automatically acquires the policy execution data according to the manner in which the policy execution data is acquired.
  • the obtaining module 201 includes:
  • the third obtaining sub-module 2015 is configured to acquire a management entity template corresponding to the management entity, where the management entity template includes: a manner of acquiring the policy execution data that needs to be obtained when the management entity is instantiated;
  • the first parsing sub-module 2016 is configured to parse the acquiring manner of the policy execution data from the management entity template.
  • the obtaining module 201 includes:
  • the fourth obtaining sub-module 2017 is configured to acquire the policy meta-information description template, where the policy meta-information description template further includes: a manner of acquiring the policy execution data that needs to be acquired when the management entity is instantiated;
  • the second parsing sub-module 2018 is configured to parse the acquiring manner of the policy execution data from the policy meta-information description template.
  • the management entity comprises: a network service NS, and/or a virtual network function VNF.
  • the policy element information that the newly added management entity needs to support is obtained, and the policy element information is sent to the policy engine, so that the policy engine automatically stores the policy.
  • Meta-information in order to automatically obtain policy meta-information from the policy engine and assemble into a policy, determine the client assembly completion policy, obtain the policy from the client, and send the obtained policy to the policy engine, so that the policy engine executes automatically Strategy.
  • the policy engine can detect the newly added management entity, the policy engine can receive the policy meta information that the newly added management entity needs to support, and the client can automatically assemble the policy according to the policy meta information. After the engine obtains the policy from the client, it automatically executes the assembled policy.
  • the newly added policy can be obtained without updating, so the stability of the policy engine is not affected.
  • the embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium stores a program, and the program executes some or all of the steps described in the foregoing method embodiments.
  • the policy discovery device 300 includes:
  • the input device 301, the output device 302, the processor 303, and the memory 304 (wherein the number of processors 303 in the policy discovery device 300 may be one or more, and one processor in FIG. 3 is taken as an example).
  • the input device 301, the output device 302, the processor 303, and the memory 304 may be connected by a bus or other means, wherein the connection through the bus is taken as an example in FIG.
  • the processor 303 is configured to perform the following steps:
  • the management entity adds to the management of the network function virtualization and orchestrate the NFV MANO system, the newly added policy element information that the management entity needs to support is obtained;
  • the policy After determining that the client assembles the policy, the policy is obtained from the client, and the obtained policy is sent to the policy engine, so that the policy engine automatically executes the policy.
  • the processor 303 when the management entity is added to the management of the network function virtualization and the NFV MANO system is configured, the processor 303 is specifically configured to perform the following steps:
  • the processor 303 when the management entity is added to the management of the network function virtualization and the NFV MANO system is configured, the processor 303 is specifically configured to perform the following steps:
  • the policy meta-information description content that the management entity needs to support is obtained from the policy meta-information description template;
  • the policy meta information is parsed according to the policy meta information description content.
  • the policy meta information description template stored in the memory 304 includes:
  • condition attribute attribute information of the management entity The condition attribute attribute information of the management entity, the action element information of the management entity, and the constraint restriction condition when assembling the policy.
  • the processor 303 is further configured to perform the following steps:
  • the processor 303 is specifically configured to perform the following steps:
  • the processor 303 is specifically configured to perform the following steps:
  • Obtaining a generated policy meta-information description template where the policy meta-information description template further includes: a manner of acquiring the policy execution data that needs to be acquired when the management entity is instantiated;
  • the processor 303 is specifically configured to perform the following steps:
  • the management entity comprises: a network service NS, and/or a virtual network function VNF.
  • the policy element information that the newly added management entity needs to support is obtained, and the policy element information is sent to the policy engine, so that the policy engine automatically stores the policy.
  • Meta-information in order to automatically obtain policy meta-information from the policy engine and assemble into a policy, determine the client assembly completion policy, obtain the policy from the client, and send the obtained policy to the policy engine, so that the policy engine executes automatically Strategy.
  • the policy engine can detect the newly added management entity, the policy engine can receive the policy meta information that the newly added management entity needs to support, and the client can automatically assemble the policy according to the policy meta information, and the policy engine obtains the policy from the client. Automatically execute the assembled strategy after the policy, for the strategy engine, no need To be updated, you can get a new strategy, so it will not affect the stability of the policy engine.
  • an NFV MANO system 400 may include: a policy discovery device 401, a policy engine 402, and a client 403, where
  • the policy discovery device 401 is the policy discovery device 200 as described in the foregoing FIG. 2-a, FIG. 2-b, FIG. 2-c, FIG. 2-d, FIG. 2-e, or the policy as described in FIG. Discovery device 300;
  • the policy engine 402 is configured to receive the policy meta-information sent by the policy implementation apparatus 401, automatically store the policy meta-information, receive the policy acquired by the policy implementation apparatus 401, and automatically execute the policy. ;
  • the client 403 is configured to automatically acquire the policy meta information from the policy engine 402 and assemble the policy into a policy.
  • the NFV MANO system 400 in addition to the NFV MANO system 400 shown in FIG. 4-a, further includes: a data provider 404, wherein
  • the data provider 404 is configured to receive the manner in which the policy execution data is sent by the policy discovery device 401, and automatically obtain the policy execution data according to the method for acquiring the policy execution data.
  • the policy engine automatically stores the policy meta information, so as to automatically obtain the policy meta information from the policy engine and assemble the policy, determine the client assembly completion policy, obtain the policy from the client, and send the obtained policy to the policy engine.
  • the policy engine can automatically execute the policy.
  • the policy engine can receive the policy meta information that the newly added management entity needs to support, and the client can automatically assemble the policy according to the policy meta information, and the policy engine obtains the policy from the client. After the policy is executed, the assembled strategy is automatically executed.
  • the newly added strategy can be obtained without updating, so the stability of the policy engine is not affected.
  • the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be Physical units can be located in one place or distributed to multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • the connections between the modules The relationship indicates that there is a communication connection between them, and specifically can be implemented as one or more communication buses or signal lines. Those of ordinary skill in the art can understand and implement without any creative effort.
  • Step S01 When the management entity is added to the NFV MANO system, the policy discovery device acquires a management entity template corresponding to the management entity.
  • the NS or VNF is used as a management entity to describe the policy meta-information that needs to be supported for these specific NS and VNF types in the NSD and VNFD templates.
  • the policy meta-information can also be provided by adding a specific policy meta-information description template.
  • Attribute Attribute information specific to NS and VNF, and how to obtain the policy execution data related to the unique condition attribute meta information from the VNF or the Element Management System (EMS);
  • the policy element information and the policy execution data are independently described in the management entity template or the policy meta information description template, and in the prior art, the policy meta information is solidified in the policy engine and the policy execution data.
  • the implementation provided by the data provider that is, the policy meta information and the policy execution data in the prior art are statically fixed as the defined content, but in the embodiment of the present invention, it is not statically fixed, but is from the management entity.
  • the template or policy meta information describes the dynamic resolution in the template.
  • Step S02 The policy discovery device adaptively extracts the unique policy meta information and sends it to the policy engine.
  • the policy discovery device may parse the template, obtain the policy meta-information described in the template, and dynamically add the newly acquired policy meta-information to the policy engine.
  • the strategy engine adaptively enriches its own strategy Meta information. Through the above steps, the policy engine can be enabled to obtain the unique policy meta information through the input template.
  • Step S03 The policy discovery device adaptively acquires the acquisition manner of the unique policy execution data and sends the acquisition mode to the data provider.
  • the policy discovery device parses the template, obtains the policy meta-information content described in the template, and obtains the policy execution data of the instance of the NS/VNF associated with the template, and notifies the data providing manner.
  • the data provider automatically perceives how the relevant data is acquired for the policies of these particular NS/VNFs.
  • the template instantiation is the basic function of the NFV MANO system.
  • the interface provided by the NFV MANO system is onboarding, instantiate instantiates the NS/VNF, for example, by template.
  • a VNF such as a VNFD of a Mobility Management Entity (MME)
  • MME Mobility Management Entity
  • MME Mobility Management Entity
  • the data provider obtains the policy execution data from the external system through the connection of the established external system through the acquisition manner of the policy-related data of the specific NS/VNF that has been acquired.
  • the data provider only provides the policy execution data, and passes the acquired data to the policy engine.
  • the policy engine performs the action of satisfying the condition according to the policy execution condition obtained by the policy at different times.
  • the policy discovery device acquires the specific policy execution data acquisition manner through the input template, and acquires the policy execution data through the established connection when the NS/VNF is instantiated.
  • Step S04 The policy discovery device adaptively acquires the strategy of the assembly completion and sends the policy to the policy engine.
  • the policy discovery device obtains these assembled complete policies, and notifies the policy engine to increase for effective execution.
  • the following two implementation manners can be used for the method of assembling the policy. 1) In the instantiation process, the policy discovery device obtains the initial assembled strategy of the user, and the client combines the needs of the user to modify and obtain a real strategy. 2) During the instantiation process, the policy discovery device triggers the client to assemble according to the policy meta information to obtain a policy.
  • the strategy engine has acquired a new special With some policy meta-information, the client can extract these unique policy meta-information from the policy engine, adaptively present these policy meta-information, and assemble the complete policy through these policy meta-information.
  • Step S05 The policy discovery device adaptive trigger policy engine execution policy.
  • the policy engine obtains the policy execution data, and through the above steps, the policy engine obtains the policy, and the policy engine automatically executes the uniquely supported strategy related to the newly supported NS/VNF.
  • the description of the specific policies of the management entities such as NS, VNF, and the like that the NFV MANO system needs to support is described by means of the management entity template or the policy meta-information, and the specific template is specified by the internal module.
  • the adaptive processing of policy content supports the editing and control execution of specific policies, and improves the adaptive support ability of NFV MANO system for various NS and VNF. Therefore, the policy discovery apparatus provided by the embodiment of the present invention can implement the following functions:
  • the policy meta information extracted from the template can be adaptively assembled into a policy composed of these specific policy meta information.
  • the method for obtaining the policy execution data can be obtained from the template adaptively, and the policy execution data is obtained according to the obtained obtaining manner.
  • the execution interaction content of the policy action can be adaptively obtained from the template, and the action is performed according to the described content.
  • the policy engine can be adaptively triggered to execute a specific strategy.
  • the present invention can be implemented by means of software plus necessary general hardware, and of course, dedicated hardware, dedicated CPU, dedicated memory, dedicated memory, Special components and so on.
  • functions performed by computer programs can be easily implemented with the corresponding hardware, and the specific hardware structure used to implement the same function can be various, such as analog circuits, digital circuits, or dedicated circuits. Circuits, etc.
  • software program implementation is a better implementation in more cases.
  • the technical solution of the present invention which is essential or contributes to the prior art, can be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer.
  • U disk mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or CD
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments of the present invention.

Abstract

一种策略实现方法和装置以及系统。其中,策略实现方法可包括:当管理实体增加到网络功能虚拟化的管理和编排NFV MANO系统时,获取新增加的所述管理实体需要支持的的策略元信息;将所述策略元信息发送给策略引擎,以使所述策略引擎自动存储所述策略元信息,以便于客户端自动从所述策略引擎获取所述策略元信息并组装成策略;确定所述客户端组装完成所述策略之后,从所述客户端获取到所述策略,并将获取到的所述策略发送给所述策略引擎,以使所述策略引擎自动执行所述策略。

Description

一种策略实现方法和装置以及系统 技术领域
本发明实施例涉及通信领域,尤其涉及一种策略实现方法和装置以及系统。
背景技术
在网络功能虚拟化(Network Function Virtualization,NFV)环境下,网络功能可以被虚拟化实现,可完成网络服务(Network Service,NS)或虚拟网络功能(Virtualized Network Function,VNF)在NFV基础设施(NFV Infrastructure,NFVI)上的部署运行。
NS或VNF的实例在NFVI上运行的整个生命周期期间,部署有和生命周期管理等相关的策略,通过这些策略的自动执行可以增强NS或VNF随着NFVI资源占用变化、NS/VNF自身的业务负荷变化等情况下的自动化处理能力。
在NFV的管理和编排中是通过策略实现装置来处理上述策略的管理和执行,现有的策略实现装置包括:策略引擎、数据提供者,其中,策略引擎保存已定义的策略元信息,用户通过客户端从策略引擎中提取策略元信息,客户端根据提取的策略元信息组装定义策略,定义完成后将定义的策略设置到策略引擎中生效。数据提供者向策略引擎提供已定义的数据内容,策略引擎从数据提供者中获取策略执行需要的数据,根据获取的数据判断和策略相关的规则条件的满足情况,满足策略相关的规则条件时自动执行该规则中设定的动作,以改变系统的行为向策略预先设定的目标结果的方向执行。
本发明的发明人在实现本发明的过程中发现:策略引擎中已经定义的策略元信息是静态固定的,当NFV的管理和编排需要支持新的NS或VNF时,并且这些新的NS或VNF涉及到原来策略引擎不支持的策略元信息的时候,会影响到新的NS或VNF支持的适应性,这就需要对策略引擎进行更新以支持新的NS或VNF,而对策略引擎的更新会影响策略引擎的稳定性。
发明内容
本发明实施例提供了一种策略实现方法和装置以及系统,能够在不需要对策略引擎进行更新的情况下实现新增的策略。
第一方面,本发明实施例提供一种策略实现方法,包括:
当管理实体增加到网络功能虚拟化的管理和编排NFV MANO系统时,获取新增加的所述管理实体需要支持的的策略元信息;
将所述策略元信息发送给策略引擎,以使所述策略引擎自动存储所述策略元信息,以便于客户端自动从所述策略引擎获取所述策略元信息并组装成策略;
确定所述客户端组装完成所述策略之后,从所述客户端获取到所述策略,并将获取到的所述策略发送给所述策略引擎,以使所述策略引擎自动执行所述策略。
结合第一方面,在第一方面的第一种可能的实现方式中,所述当管理实体增加到网络功能虚拟化的管理和编排NFV MANO系统时,获取新增加的所述管理实体需要支持的的策略元信息,包括:
当检测到有管理实体增加到NFV MANO系统时,获取所述管理实体对应的管理实体模板,所述管理实体模板包括:所述管理实体需要支持的策略元信息描述内容;
根据所述策略元信息描述内容生成所述策略元信息。
结合第一方面,在第一方面的第二种可能的实现方式中,所述当管理实体增加到网络功能虚拟化的管理和编排NFV MANO系统时,获取新增加的所述管理实体需要支持的的策略元信息,包括:
当检测到有管理实体增加到NFV MANO系统时,从策略元信息描述模板中获取所述管理实体需要支持的策略元信息描述内容;
根据所述策略元信息描述内容解析出所述策略元信息。
结合第一方面的第一种可能的实现方式,在第一方面的第三种可能的实现方式中,所述策略元信息描述模板,包括:
所述管理实体的条件属性元信息、所述管理实体的动作元信息、组装策略时的约束限制条件。
结合第一方面或第一方面的第一种可能或第二种可能或第三种可能的实现方式,在第一方面的第四种可能的实现方式中,所述获取新增加的所述管理 实体需要支持的的策略元信息之后,所述方法还包括:
获取所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
将所述策略执行数据的获取方式发送给数据提供者,以使所述数据提供者根据所述策略执行数据的获取方式自动获取到所述策略执行数据。
结合第一方面的第四种可能的实现方式,在第一方面的第五种可能的实现方式中,所述获取所述管理实体被实例化时需要获取到的策略执行数据的获取方式,包括:
获取所述管理实体对应的管理实体模板,所述管理实体模板包括:所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
从所述管理实体模板中解析出所述策略执行数据的获取方式。
结合第一方面的第五种可能的实现方式,在第一方面的第六种可能的实现方式中,所述获取所述管理实体被实例化时需要获取到的策略执行数据的获取方式,包括:
获取所述策略元信息描述模板,所述策略元信息描述模板还包括:所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
从所述策略元信息描述模板中解析出所述策略执行数据的获取方式。
结合第一方面或第一方面的第一种可能或第二种可能或第三种可能或第四种可能或第五种可能或第六种可能的实现方式,在第一方面的第七种可能的实现方式中,所述从所述客户端获取到所述策略,包括:
获取初始策略,所述初始策略为对所述策略元信息进行初始组装后产生;
获取所述客户端对所述初始策略进行修改后生成的所述策略。
结合第一方面或第一方面的第一种可能或第二种可能或第三种可能或第四种可能或第五种可能或第六种可能的实现方式,在第一方面的第七种可能的实现方式中,所述管理实体,包括:网络服务NS、和/或,虚拟网络功能VNF。
第二方面,本发明实施例还提供一种策略实现装置,包括:
获取模块,用于当管理实体增加到网络功能虚拟化的管理和编排NFV MANO系统时,获取新增加的所述管理实体需要支持的的策略元信息;
发送模块,用于将所述策略元信息发送给策略引擎,以使所述策略引擎自动存储所述策略元信息,以便于客户端自动从所述策略引擎获取所述策略元信息并组装成策略;
策略管理模块,用于确定所述客户端组装完成所述策略之后,从所述客户端获取到所述策略,并将获取到的所述策略发送给所述策略引擎,以使所述策略引擎自动执行所述策略。
结合第二方面,在第二方面的第一种可能的实现方式中,所述获取模块,包括:
第一获取子模块,用于当检测到有管理实体增加到NFV MANO系统时,获取所述管理实体对应的管理实体模板,所述管理实体模板包括:所述管理实体需要支持的策略元信息描述内容;
策略元信息生成子模块,用于根据所述策略元信息描述内容生成所述策略元信息。
结合第二方面,在第二方面的第二种可能的实现方式中,所述获取模块,包括:
第二获取子模块,用于当检测到有管理实体增加到NFV MANO系统时,从策略元信息描述模板中获取所述管理实体需要支持的策略元信息描述内容;
策略元信息解析子模块,用于根据所述策略元信息描述内容解析出所述策略元信息。
结合第二方面的第一种可能的实现方式,在第二方面的第三种可能的实现方式中,所述策略元信息描述模板,包括:
所述管理实体的条件属性元信息、所述管理实体的动作元信息、组装策略时的约束限制条件。
结合第二方面或第二方面的第一种可能或第二种可能或第三种可能的实现方式,在第二方面的第四种可能的实现方式中,
所述获取模块,还用于获取新增加的所述管理实体需要支持的的策略元信息之后,获取所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
所述发送模块,还用于将所述策略执行数据的获取方式发送给数据提供者,以使所述数据提供者根据所述策略执行数据的获取方式自动获取到所述策略执行数据。
结合第二方面的第四种可能的实现方式,在第二方面的第五种可能的实现方式中,所述获取模块,包括:
第三获取子模块,用于获取所述管理实体对应的管理实体模板,所述管理实体模板包括:所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
第一解析子模块,用于从所述管理实体模板中解析出所述策略执行数据的获取方式。
结合第二方面的第五种可能的实现方式,在第二方面的第六种可能的实现方式中,所述获取模块,包括:
第四获取子模块,用于获取生成的策略元信息描述模板,所述策略元信息描述模板还包括:所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
第二解析子模块,用于从所述策略元信息描述模板中解析出所述策略执行数据的获取方式。
结合第二方面或第二方面的第一种可能或第二种可能或第三种可能或第四种可能或第五种可能或第六种可能的实现方式,在第二方面的第七种可能的实现方式中,所述策略管理模块,具体用于获取初始策略,所述初始策略为对所述策略元信息进行初始组装后产生;获取所述客户端对所述初始策略进行修改后生成的所述策略。
结合第二方面或第二方面的第一种可能或第二种可能或第三种可能或第四种可能或第五种可能或第六种可能的实现方式,在第二方面的第七种可能的实现方式中,所述管理实体,包括:网络服务NS、和/或,虚拟网络功能VNF。
第三方面,本发明实施例还提供一种NFV MANO系统,包括:如前述第二方面中任一项所述的策略实现装置、策略引擎和客户端,其中,
所述策略引擎,用于接收所述策略实现装置发送的所述策略元信息,自动存储所述策略元信息;接收所述策略实现装置获取到的所述策略,自动执行所述策略;
所述客户端,用于自动从所述策略引擎获取所述策略元信息并组装成策略。
结合第三方面,在第三方面的第一种可能的实现方式中,所述NFV MANO系统,还包括:数据提供者,其中,
所述数据提供者,用于接收所述策略发现装置发送的所述策略执行数据的 获取方式,根据所述策略执行数据的获取方式自动获取到所述策略执行数据。
从以上技术方案可以看出,本发明实施例具有以下优点:
本发明实施例中,当管理实体增加到NFV MANO系统时,获取新增加的管理实体需要支持的的策略元信息,将策略元信息发送给策略引擎,以使策略引擎自动存储策略元信息,以便于自动从策略引擎获取策略元信息并组装成策略,确定客户端组装完成策略之后,从客户端获取到策略,并将获取到的策略发送给策略引擎,以使策略引擎自动执行策略。本发明实施例可以检测到新增加的管理实体时,策略引擎可以接收到新增加的管理实体需要支持的策略元信息,客户端可以根据这些策略元信息自动组装成策略,策略引擎从客户端获取到策略后自动执行组装好的策略,对于策略引擎而言,不需要做更新就可以得到新增加的策略,故不会影响到策略引擎的稳定性。
附图说明
图1为本发明实施例提供的一种策略实现方法的流程方框示意图;
图2-a为本发明实施例提供的一种策略实现装置的组成结构示意图;
图2-b为本发明实施例提供的一种获取模块的组成结构示意图;
图2-c为本发明实施例提供的另一种获取模块的组成结构示意图;
图2-d为本发明实施例提供的另一种获取模块的组成结构示意图;
图2-e为本发明实施例提供的另一种获取模块的组成结构示意图;
图3为本发明实施例提供的另一种策略实现装置的组成结构示意图;
图4-a为本发明实施例提供的一种NFV MANO系统的组成结构示意图;
图4-b为本发明实施例提供的另一种NFV MANO系统的组成结构示意图。
具体实施方式
本发明实施例提供了一种策略实现方法和装置以及系统,能够在不需要对策略引擎进行更新的情况下实现新增的策略。
为使得本发明的发明目的、特征、优点能够更加的明显和易懂,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,下面所描述的实施例仅仅是本发明一部分实施例,而非全部实施例。 基于本发明中的实施例,本领域的技术人员所获得的所有其他实施例,都属于本发明保护的范围。
本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换,这仅仅是描述本发明的实施例中对相同属性的对象在描述时所采用的区分方式。此外,术语“包括”和“具有”以及他们的任何变形,意图在于覆盖不排他的包含,以便包含一系列单元的过程、方法、系统、产品或设备不必限于那些单元,而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它单元。
以下分别进行详细说明。
本发明策略实现方法的一个实施例,可应用于对新增管理实体的管理和编排中,请参阅图1所示,本发明一个实施例提供的策略实现方法,具体可以包括如下步骤101、102、103,接下来进行详细说明。
101、当管理实体增加到网络功能虚拟化的管理和编排(Network Function Virtualization Management and Orchestration,NFV MANO)系统时,获取新增加的管理实体需要支持的的策略元信息。
在本发明实施例中,NFV MANO系统初始设置有一个或多个的管理实体,管理实体,具体可包括:网络服务(Network Service,NS)、和/或,虚拟网络功能(Virtualized Network Function,VNF),管理实体还可以指用于实现其它服务功能的实体,对于初始设置的管理实体需要支持的策略元信息已经在策略引擎中保存有,用户通过客户端从策略引擎中提取策略元信息,客户端根据提取的策略元信息组装定义策略,定义完成后将定义的策略设置到策略引擎中生效。数据提供者向策略引擎提供已定义的数据内容,策略引擎从数据提供者中获取策略执行需要的数据,根据获取的数据判断和策略相关的规则条件的满足情况,满足策略相关的规则条件时自动执行该规则中设定的动作,以改变NFV MANO系统的行为向策略预先设定的目标结果的方向执行。
但是当NFV MANO系统需要实现新的功能时,就需要在NFV MANO系统中新增加相应功能的管理实体,现有技术中是通过更新策略引擎来实现的,这就需要对策略引擎的代码进行重新编写,以满足NFV MANO系统需要实现的新功能,但是策略引擎的更新会影响策略引擎的稳定性,并且更新策略引擎 之后,新增加的管理实体可能无法适应于更新后的策略引擎,存在兼容性的问题。在本发明实施例中,NFV MANO系统中对于初始设置的管理实体,策略引擎能够很好适应,但是当NFV MANO系统需要实现的新功能而增加的管理实体,就会存在产生兼容性和稳定性的问题。
在本发明实施例中,首先对NFV MANO系统中是否有新的管理实体加入进行实时检测,以能够确定NFV MANO系统中存在新增加的管理实体,当NFV MANO系统中有新增加的管理实体时,步骤101开始执行,首先获取到新增加的管理实体需要支持的的策略元信息(英文名称为Policy metadata),其中,策略元信息是用于定义策略的元信息,策略定义过程就是通过对元信息的组装成一组和策略相关规则的过程。策略元信息具体可包括:条件属性元信息、动作元信息、以及组装策略规则的约束限制条件,举例说明如下:NFV MANO系统中需要新增加的管理实体为VNF,该VNF需要支持的策略元信息包括:条件元信息为用户负载(英文名称为userload),动作元信息为扩容(英文名称为scaleout),约束限制条件为userload/scaleout仅适用于VNF对象实体,则通过这些元信息就可以组装定义一个VNF生命周期相关的策略规则:when VNF(userload>=90%)then scaleout,即当VNF的userload大于90%的时候自动执行scaleout动作。
在本发明实施例中,策略实现装置对NFV MANO系统中是否有新的管理实体进行实时检测,若存在新增加的管理实体时,策略实现装置首先针对新增加的管理实体获取到该新增加的管理实体需要支持什么内容的策略元信息,对于不同的管理实体,需要支持的策略元信息是不同的。新增加的管理实体需要支持什么样的策略元信息需要由管理实体的发布方来确定,NFV MANO系统中发布方在模板中对新增加的管理实体所需要支持的策略元信息进行描述,因此策略实现装置可以通过NFV MANO系统中的模板来获取到策略元信息,在本发明的一些实施例中,步骤101当管理实体增加到NFV MANO系统时,获取新增加的管理实体需要支持的的策略元信息,具体可以包括如下步骤:
A1、当检测到有管理实体增加到NFV MANO系统时,获取管理实体对应的管理实体模板,管理实体模板包括:管理实体需要支持的策略元信息描述内容;
A2、根据策略元信息描述内容生成策略元信息。
其中,步骤A1中,NFV MANO系统中有新增加的管理实体时,在NFV MANO系统中保存有管理实体模板,管理实体模板用于对管理实体需要支持的策略元信息进行描述,在管理实体模板中记录有对上述策略元信息的描述内容,管理实体模板由发布者来提供,管理实体模板中的内容格式需要遵循NFV MANO系统实现的约定。具体的,当NFV MANO系统中新增加的管理实体为NS或VNF时,新增加的NS或VNF对应的管理实体模板具体为:网络服务模板(Network Service Descriptor,NSD)或虚拟网络功能模板(Virtualized Network Function Descriptor,VNFD),NSD中包括有对NS所需要支持的策略元信息描述内容,VNFD中包括有对VNF所需要支持的策略元信息描述内容。例如策略元信息描述内容中会记录有管理实体的条件属性元信息、管理实体的动作元信息、组装策略时的约束限制条件等,策略实现装置从管理实体模板中获取到策略元信息描述内容后,执行步骤A2,根据策略元信息描述内容生成策略元信息,该策略元信息是新增加的管理实体所需要支持的,策略元信息的生成过程可参阅现有技术,此处不再赘述。
在本发明的另一些实施例中,步骤101当管理实体增加到NFV MANO系统时,获取新增加的管理实体需要支持的的策略元信息,具体可以包括如下步骤:
B1、当检测到有管理实体增加到NFV MANO系统时,从策略元信息描述模板中获取管理实体需要支持的策略元信息描述内容;
B2、根据策略元信息描述内容解析出策略元信息。
其中,对于步骤B1中,策略实现装置对NFV MANO系统中新增加管理实体进行检测,检测到有新增加的管理实体时,先获取到该管理实体需要支持什么样的策略元信息描述内容,根据策略元信息描述内容确定对管理实体需要支持什么样的策略元信息,从发布者提供的策略元信息描述模板中来获取策略元信息描述内容,发布者生成的策略元信息描述模板的内容需要遵循NFV MANO系统对模板实现的规定,策略元信息描述模板的作用是可以让NFV MANO系统自动的增加策略元信息,进一步的,策略元信息描述模板中具体可以包括如下步骤:管理实体的条件属性元信息、管理实体的动作元信息、组装策略时的约束限制条件,通过策略元信息描述模板可以解析出策略元信息。策略发现装置通过策略元信息描述模板可以让NFV MANO系统自动的增加策 略元信息,以及和这些新增加的策略元信息相关的策略生成。NFV MANO系统提供上传策略元信息描述模板的操作,发布者将写好的策略元信息描述模板所需要的内容上传NFV MANO系统中,由NFV MANO系统中的策略发现装置来解析策略元信息描述模板,根据解析出的策略元信息描述模板携带的内容进行生命周期管理。
需要说明的是,在本发明的前述实施例中,对于策略元信息的获取,具体说明了通过管理实体模板或策略元信息描述模板都可以实现,在实际应用中,NFV MANO系统中可以独立提供策略元信息描述模板,也可以在管理实体模板中内嵌策略元信息描述模板,例如,在NSD/VNFD中内嵌策略元信息描述模板,具体实现方式不做限定。
102、将策略元信息发送给策略引擎,以使策略引擎自动存储策略元信息,以便于自动从策略引擎获取策略元信息并组装成策略。
在本发明实施例中,策略实现装置对NFV MANO系统进行检测,并对NFV MANO系统的环境变化可实现自适应,当检测到有新增加的管理实体时,策略实现装置自适应的获取到了新增加的管理实体需要支持的策略元信息,然后将获取到策略元信息发送给策略引擎,策略引擎在策略实现装置发送策略元信息的触发下,策略引擎自动的存储接收到的策略元信息,客户端在策略实现装置的触发下自动的从策略引擎获取策略元信息并组装成策略。其中,策略(英文名称为Policy),策略是通过自动化判断执行和策略相关的一组规则来到达预先设定的结果目标,策略预先设定的结果目标通过自动执行一组相关的规则来实现,规则(英文名称为Rule)是应用于管理实体的条件(英文名称为condition)和动作(英文名称为action)组合,一条规则就是用于表述当满足设定的条件之后应该自动执行的设定动作,规则和策略相关,规则用于实现策略预先设定的结果目标。
在本发明实施例中,策略引擎用于管理客户端组装好的策略并执行该策略,什么条件下执行什么动作这个需要用户通过客户端来组装配置,NFV MANO系统给出条件/动作等策略元信息,用户通过客户端根据自己的要求装配出策略,例如给出VNF负载load条件项,动作包括scaleout、缩容(英文名称为scalein),某个用户希望load>90执行scaleout;而另外的用户则是希望load>80执行scaleout,条件值需要由用户通过客户端来设置,不同的用户要 求不一样,那么不同用户在通过客户端就会组装出不同的策略。
需要说明的是,在本发明的实施例中,在NFV MANO系统需要实现新的功能时,不需要对策略引擎进行更新就可以实现NFV MANO系统的新功能,策略实现装置可以自适应的获取到新增加的管理实体需要支持的策略元信息,也就是说,策略发现装置从管理实体模板或者策略元数据描述模板中提取出策略元信息,这些新的策略元信息加入到策略引擎中,这个过程是策略发现装置自动完成的。策略引擎从策略实现装置就可以接收到新增加的管理实体需要支持的策略元信息,策略引擎本身不需要再修改代码以支持这个新的功能。策略实现装置可以自适应的获取新增加的管理实体需要支持的策略元信息,策略实现装置对NFV MANO系统的环境变化具有自适应能力,能够主动的获取到增加的管理实体需要支持的策略元信息,策略引擎也在策略实现装置的触发下主动的存储策略元信息,客户端在策略实现装置的触发下生成策略。
在本发明的一些实施例中,步骤101获取新增加的管理实体需要支持的的策略元信息之后,本发明实施例提供的策略发现方法,还可以包括如下步骤:
C1、获取管理实体被实例化时需要获取到的策略执行数据的获取方式;
C2、将策略执行数据的获取方式发送给数据提供者,以使数据提供者根据策略执行数据的获取方式自动获取到策略执行数据。
其中,管理实体在新增加到NFV MANO系统之后,管理实体被实例化是通过管理实体模板来实现的,管理实体在实例化时还需要获取到策略执行数据,策略执行数据是策略引擎中生效的策略在执行时所必须的数据,策略发现装置首先获取到策略执行数据的获取方式,然后主动的向数据提供者发送策略执行数据的获取方式,数据提供者在策略发现装置的触发下根据策略执行数据的获取方式自动的获取到策略执行数据。在NFV MANO系统中,数据提供者用于提供策略执行数据,策略引擎根据从数据提供者提供的策略执行数据判断规则条件的满足情况,满足策略相关的规则条件时自动执行该规则中设定的动作。本发明实施例中数据提供者在策略发现装置的触发下,根据策略发现装置提供的获取方式来获取策略执行数据。
举例说明如下:新增加的管理实体需要支持的策略元数据用于组装出策略规则,体现了NFV MANO系统的定制能力,如:根据策略元数据:支持VNF的{条件userload、动作scaluein/scaleout},可以组装成策略;在策略定制好以 后,触发策略执行就需要通过策略执行数据来判断,例如:定制好的策略是if userload>90%then scaleout,获取不同时刻的策略执行数据,即不同时刻的userload的值,如果获取到userload=80%则不触发scaleout动作,后续时刻获取到userload值=95%则执行,也就是说,获取到的不同时刻userload值就是策略执行数据。
需要说明的是,在如上的举例说明中,如果后续NFV MANO系统还需增加支持除了userload之外还可以通过用户数usernumber(即新增的策略元信息)来判断触发scaleout动作,按照现有技术就需要对策略引擎和数据提供者进行修改代码,包括增加usernumber条件,以及获取不同时刻usernumber取值(新增的策略执行数据),在本发明实施例中为了解决不改代码就可以支持新增加的usernumber策略元信息以及新增加的获取不同时刻usernumber值这个策略执行数据,只需要策略执行装置获取到新增加的策略元信息自适应的发送给策略引擎,获取到新增加的策略执行数据的获取方式自适应的发送给数据提供者,数据提供者自动获取到新增加的策略执行数据。
进一步的,在本发明的一些实施例中,前述步骤C1获取管理实体被实例化时需要获取到的策略执行数据的获取方式,具体可以包括如下步骤:
获取管理实体对应的管理实体模板,管理实体模板包括:管理实体被实例化时需要获取到的策略执行数据的获取方式;
从管理实体模板中解析出策略执行数据的获取方式。
其中,NFV MANO系统中有新增加的管理实体时,在NFV MANO系统中保存有管理实体模板,管理实体模板由发布者来提供,管理实体模板中的内容格式需要遵循NFV MANO系统实现的约定,管理实体模板中包括有管理实体被实例化时需要获取到的策略执行数据的获取方式。具体的,当NFV MANO系统中新增加的管理实体为NS或VNF时,新增加的NS或VNF对应的管理实体模板具体为:NSD或VNFD,NSD中包括有NS被实例化时需要获取到的策略执行数据的获取方式,VNFD中包括有VNF被实例化时需要获取到的策略执行数据的获取方式。例如管理实体模板中记录有管理实体需要支持的策略执行数据的存放方式和获取地址,策略实现装置解析管理实体模板,就可以从中获取到策略执行数据的存放方式和获取地址。
在本发明的另一些实施例中,前述步骤C1获取管理实体被实例化时需要 获取到的策略执行数据的获取方式,具体可以包括如下步骤:
获取所述策略元信息描述模板,策略元信息描述模板还包括:管理实体被实例化时需要获取到的策略执行数据的获取方式;
从策略元信息描述模板中解析出策略执行数据的获取方式。
其中,结合本发明的前述实施例描述可知,本发明实施例中策略元信息描述模板的作用是除了使NFV MANO系统自动的增加策略元信息之外,策略元信息描述模板的作用还在于可以让新增加的策略元信息相关的策略执行数据的获取和动作的触发,因此,在生成的策略元信息描述模板中除了包括策略元信息描述内容之外,策略元信息描述模板中还包括:管理实体被实例化时需要获取到的策略执行数据的获取方式,策略发现装置获取到策略元信息描述模板,从策略元信息描述模板中解析出策略执行数据的获取方式。
103、确定客户端组装完成策略之后,从客户端获取到策略,并将获取到的策略发送给策略引擎,以使策略引擎自动执行策略。
在本发明实施例中,客户端自动的从策略引擎获取到需要组装的策略元信息,客户端根据提取到的策略元信息组装定义出策略,则组装成的策略是NFV MANO系统中新增加的管理实体需要支持的策略,对于策略的说明请参阅前述的内容描述。当策略发现装置确定客户端组装完成策略之后,策略发现装置可以从客户端获取到策略,并将获取到的策略发送给策略引擎,策略引擎从策略发现装置接收到策略之后,策略引擎自动的对策略进行执行。其中,策略引擎执行策略的含义具体为:策略引擎根据获取的数据判断和策略相关的规则条件的满足情况,满足策略相关的规则条件时自动执行该规则中设定的动作,以改变NFV MANO系统的行为向策略预先设定的目标结果的方向执行。
需要说明的是,在本发明的实施例中,在NFV MANO系统需要实现新的功能时,不需要对策略引擎进行更新就可以实现NFV MANO系统的新功能,策略实现装置可以触发客户端自动执行策略的组成,并将客户端组装好的策略加入到策略引擎中,这个过程是策略发现装置自动完成的。策略引擎从策略实现装置就可以接收到新增加的管理实体需要支持的策略,策略引擎本身不需要再修改代码以支持这个新的功能。策略实现装置可以自适应的从客户端获取到客户端组成的策略,策略实现装置对NFV MANO系统的环境变化具有自适应能力,能够主动的获取到策略,策略引擎也在策略实现装置的触发下主动的执 行策略,可见,本发明实施例中,当在NFV MANO系统中有新增加的管理实体时,通过策略发现装置执行的策略发现方法,不需要对策略引擎做任何更新,策略引擎在策略发现装置的触发下可以自动对新增加的管理实体需要支持的策略进行执行,从而改变NFV MANO系统行为向策略预先设定的目标结果的方向执行。
在本发明的一些实施例中,从客户端获取到策略,具体可以包括如下步骤:
获取初始策略,初始策略为对策略元信息进行初始组装后产生;
获取客户端对初始策略进行修改后生成的策略。
也就是说,本发明实施例客户端组成策略具体可以有两种实现方式,一种是客户端根据策略元信息组装策略,另一种是策略发现装置从管理实体模板中获取到用户设置的初始策略,用户采用策略元信息进行初始组装,得到初始策略,用户设置的初始策略可以在策略引擎中直接生效,也可以使得这个初始策略不直接用于策略引擎的执行,而是需要由用户根据自己的需要对初始策略进行修改,用户通过客户端对初始策略进行修改,可以生成新增加的管理实体需要支持的策略。
通过以上实施例对本发明的描述可知,当管理实体增加到NFV MANO系统时,获取新增加的管理实体需要支持的的策略元信息,将策略元信息发送给策略引擎,以使策略引擎自动存储策略元信息,以便于自动从策略引擎获取策略元信息并组装成策略,确定客户端组装完成策略之后,从客户端获取到策略,并将获取到的策略发送给策略引擎,以使策略引擎自动执行策略。本发明实施例可以检测到新增加的管理实体时,策略引擎可以接收到新增加的管理实体需要支持的策略元信息,客户端可以根据这些策略元信息自动组装成策略,策略引擎从客户端获取到策略后自动执行组装好的策略,对于策略引擎而言,不需要做更新就可以得到新增加的策略,故不会影响到策略引擎的稳定性。
需要说明的是,对于前述的各方法实施例,为了简单描述,故将其都表述为一系列的动作组合,但是本领域技术人员应该知悉,本发明并不受所描述的动作顺序的限制,因为依据本发明,某些步骤可以采用其他顺序或者同时进行。其次,本领域技术人员也应该知悉,说明书中所描述的实施例均属于优选实施例,所涉及的动作和模块并不一定是本发明所必须的。
为便于更好的实施本发明实施例的上述方案,下面还提供用于实施上 述方案的相关装置。
请参阅图2-a所示,本发明实施例提供的一种策略发现装置200,可以包括:获取模块201、发送模块202、策略管理模块203,其中,
获取模块201,用于当管理实体增加到网络功能虚拟化的管理和编排NFV MANO系统时,获取新增加的所述管理实体需要支持的的策略元信息;
发送模块202,用于将所述策略元信息发送给策略引擎,以使所述策略引擎自动存储所述策略元信息,以便于自动从所述策略引擎获取所述策略元信息并组装成策略;
策略管理模块203,用于确定所述客户端组装完成所述策略之后,从所述客户端获取到所述策略,并将获取到的所述策略发送给所述策略引擎,以使所述策略引擎自动执行所述策略。
在本发明的一些实施例中,请参阅如图2-b所示,所述获取模块201,包括:
第一获取子模块2011,用于当检测到有管理实体增加到NFV MANO系统时,获取所述管理实体对应的管理实体模板,所述管理实体模板包括:所述管理实体需要支持的策略元信息描述内容;
策略元信息生成子模块2012,用于根据所述策略元信息描述内容生成所述策略元信息。
在本发明的另一些实施例中,请参阅如图2-c所示,所述获取模块201,包括:
第二获取子模块2013,用于当检测到有管理实体增加到NFV MANO系统时,从策略元信息描述模板中获取所述管理实体需要支持的策略元信息描述内容;
策略元信息解析子模块2014,用于根据所述策略元信息描述内容解析出所述策略元信息。
在本发明的一些实施例中,所述策略元信息描述模板,包括:
所述管理实体的条件属性元信息、所述管理实体的动作元信息、组装策略时的约束限制条件。
在本发明的一些实施例中,所述获取模块201,还用于获取新增加的所述管理实体需要支持的的策略元信息之后,获取所述管理实体被实例化时需要获 取到的策略执行数据的获取方式;
所述发送模块202,还用于将所述策略执行数据的获取方式发送给数据提供者,以使所述数据提供者根据所述策略执行数据的获取方式自动获取到所述策略执行数据。
在本发明的另一些实施例中,请参阅如图2-d所示,所述获取模块201,包括:
第三获取子模块2015,用于获取所述管理实体对应的管理实体模板,所述管理实体模板包括:所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
第一解析子模块2016,用于从所述管理实体模板中解析出所述策略执行数据的获取方式。
在本发明的另一些实施例中,请参阅如图2-e所示,所述获取模块201,包括:
第四获取子模块2017,用于获取所述策略元信息描述模板,所述策略元信息描述模板还包括:所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
第二解析子模块2018,用于从所述策略元信息描述模板中解析出所述策略执行数据的获取方式。
在本发明的一些实施例中,所述策略管理模块203,具体用于获取初始策略,所述初始策略为对所述策略元信息进行初始组装后产生;获取所述客户端对所述初始策略进行修改后生成的所述策略。
在本发明的一些实施例中,所述管理实体,包括:网络服务NS、和/或,虚拟网络功能VNF。
通过以上实施例对本发明的描述可知,当管理实体增加到NFV MANO系统时,获取新增加的管理实体需要支持的的策略元信息,将策略元信息发送给策略引擎,以使策略引擎自动存储策略元信息,以便于自动从策略引擎获取策略元信息并组装成策略,确定客户端组装完成策略之后,从客户端获取到策略,并将获取到的策略发送给策略引擎,以使策略引擎自动执行策略。本发明实施例可以检测到新增加的管理实体时,策略引擎可以接收到新增加的管理实体需要支持的策略元信息,客户端可以根据这些策略元信息自动组装成策略,策略 引擎从客户端获取到策略后自动执行组装好的策略,对于策略引擎而言,不需要做更新就可以得到新增加的策略,故不会影响到策略引擎的稳定性。
本发明实施例还提供一种计算机存储介质,其中,该计算机存储介质存储有程序,该程序执行包括上述方法实施例中记载的部分或全部步骤。
接下来介绍本发明实施例提供的另一种策略发现装置,请参阅图3所示,策略发现装置300包括:
输入装置301、输出装置302、处理器303和存储器304(其中策略发现装置300中的处理器303的数量可以一个或多个,图3中以一个处理器为例)。在本发明的一些实施例中,输入装置301、输出装置302、处理器303和存储器304可通过总线或其它方式连接,其中,图3中以通过总线连接为例。
其中,处理器303,用于执行如下步骤:
当管理实体增加到网络功能虚拟化的管理和编排NFV MANO系统时,获取新增加的所述管理实体需要支持的的策略元信息;
将所述策略元信息发送给策略引擎,以使所述策略引擎自动存储所述策略元信息,以便于自动从所述策略引擎获取所述策略元信息并组装成策略;
确定所述客户端组装完成所述策略之后,从所述客户端获取到所述策略,并将获取到的所述策略发送给所述策略引擎,以使所述策略引擎自动执行所述策略。
在本发明的一些实施例中,所述当管理实体增加到网络功能虚拟化的管理和编排NFV MANO系统时,处理器303具体用于执行如下步骤:
当检测到有管理实体增加到NFV MANO系统时,获取所述管理实体对应的管理实体模板,所述管理实体模板包括:所述管理实体需要支持的策略元信息描述内容;
根据所述策略元信息描述内容生成所述策略元信息。
在本发明的一些实施例中,所述当管理实体增加到网络功能虚拟化的管理和编排NFV MANO系统时,处理器303具体用于执行如下步骤:
当检测到有管理实体增加到NFV MANO系统时,从策略元信息描述模板中获取所述管理实体需要支持的策略元信息描述内容;
根据所述策略元信息描述内容解析出所述策略元信息。
在本发明的一些实施例中,存储器304中存储的所述策略元信息描述模板,包括:
所述管理实体的条件属性元信息、所述管理实体的动作元信息、组装策略时的约束限制条件。
在本发明的一些实施例中,所述获取新增加的所述管理实体需要支持的的策略元信息之后,处理器303还用于执行如下步骤:
获取所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
将所述策略执行数据的获取方式发送给数据提供者,以使所述数据提供者根据所述策略执行数据的获取方式自动获取到所述策略执行数据。
在本发明的一些实施例中,处理器303具体用于执行如下步骤:
获取所述管理实体对应的管理实体模板,所述管理实体模板包括:所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
从所述管理实体模板中解析出所述策略执行数据的获取方式。
在本发明的一些实施例中,处理器303具体用于执行如下步骤:
获取生成的策略元信息描述模板,所述策略元信息描述模板还包括:所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
从所述策略元信息描述模板中解析出所述策略执行数据的获取方式。
在本发明的一些实施例中,处理器303具体用于执行如下步骤:
获取初始策略,所述初始策略为对所述策略元信息进行初始组装后产生;
获取所述客户端对所述初始策略进行修改后生成的所述策略。
在本发明的一些实施例中,所述管理实体,包括:网络服务NS、和/或,虚拟网络功能VNF。
通过以上实施例对本发明的描述可知,当管理实体增加到NFV MANO系统时,获取新增加的管理实体需要支持的的策略元信息,将策略元信息发送给策略引擎,以使策略引擎自动存储策略元信息,以便于自动从策略引擎获取策略元信息并组装成策略,确定客户端组装完成策略之后,从客户端获取到策略,并将获取到的策略发送给策略引擎,以使策略引擎自动执行策略。本发明实施例可以检测到新增加的管理实体时,策略引擎可以接收到新增加的管理实体需要支持的策略元信息,客户端可以根据这些策略元信息自动组装成策略,策略引擎从客户端获取到策略后自动执行组装好的策略,对于策略引擎而言,不需 要做更新就可以得到新增加的策略,故不会影响到策略引擎的稳定性。
请参阅图4-a所示,本发明实施例提供的一种NFV MANO系统400,可以包括:策略发现装置401、策略引擎402和客户端403,其中,
策略发现装置401为如图前述图2-a、图2-b、图2-c、图2-d、图2-e中所述的策略发现装置200,或如图3中所述的策略发现装置300;
所述策略引擎402,用于接收所述策略实现装置401发送的所述策略元信息,自动存储所述策略元信息;接收所述策略实现装置401获取到的所述策略,自动执行所述策略;
所述客户端403,用于自动从所述策略引擎402获取所述策略元信息并组装成策略。
请参阅如图4-b所示,所述NFV MANO系统400,相对于如图4-a所示的NFV MANO系统400,还包括:数据提供者404,其中,
所述数据提供者404,用于接收所述策略发现装置401发送的所述策略执行数据的获取方式,根据所述策略执行数据的获取方式自动获取到所述策略执行数据。
通过以上实施例对本发明的描述可知,在NFV MANO系统中,当管理实体增加到NFV MANO系统时,获取新增加的管理实体需要支持的的策略元信息,将策略元信息发送给策略引擎,以使策略引擎自动存储策略元信息,以便于自动从策略引擎获取策略元信息并组装成策略,确定客户端组装完成策略之后,从客户端获取到策略,并将获取到的策略发送给策略引擎,以使策略引擎自动执行策略。本发明实施例可以检测到新增加的管理实体时,策略引擎可以接收到新增加的管理实体需要支持的策略元信息,客户端可以根据这些策略元信息自动组装成策略,策略引擎从客户端获取到策略后自动执行组装好的策略,对于策略引擎而言,不需要做更新就可以得到新增加的策略,故不会影响到策略引擎的稳定性。
另外需说明的是,以上所描述的装置实施例仅仅是示意性的,其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。另外,本发明提供的装置实施例附图中,模块之间的连 接关系表示它们之间具有通信连接,具体可以实现为一条或多条通信总线或信号线。本领域普通技术人员在不付出创造性劳动的情况下,即可以理解并实施。
为便于更好的理解和实施本发明实施例的上述方案,下面举例相应的应用场景来进行具体说明。对本发明实施例中策略发现装置对策略的自适应处理流程进行举例说明,具体包括如下步骤:
步骤S01、当管理实体增加到NFV MANO系统时,策略发现装置获取管理实体对应的管理实体模板。
例如,以管理实体为NS或VNF为例,在NSD、VNFD等模板中描述针对这些特定的NS、VNF类型需要支持的策略元信息;对于没有在NSD、VNFD模板中描述这些NS、VNF类型需要支持的策略元信息的,也可以通过增加一个特定的策略元信息描述模板来提供策略元信息。
其中,在NSD、VNFD模板中可以描述如下内容:
1)、策略引擎已定义的策略元信息;
2)、特定的NS、VNF特有的条件属性元信息,以及如何从VNF,或者网元管理系统(Element Management System,EMS)中获取和这些特有条件属性元信息相关的策略执行数据的获取方式;
3)、NS、VNF特有的动作元信息,以及如何通知VNF、EMS执行这些特有动作的命令消息相关内容;
4)、特有的组装策略的约束限制条件。
也就是说,本发明实施例中策略元信息和策略执行数据是在管理实体模板或策略元信息描述模板中被独立描述,而改变现有技术中策略元信息被固化在策略引擎、策略执行数据由数据提供者来提供的实现方式,也就是说,现有技术中策略元信息和策略执行数据是作为已定义内容静态固定的,而本发明实施例中并不是静态固定,而是从管理实体模板或者策略元信息描述模板中动态解析。
步骤S02、策略发现装置自适应提取特有的策略元信息并发送给策略引擎。
在上传管理实体模板或者策略元信息描述模板到NFV MANO系统之后,策略发现装置可以解析上述模板,获取到模板中描述的策略元信息,动态的将新获取到的策略元信息增加到策略引擎中,策略引擎自适应的丰富自己的策略 元信息。通过上述步骤,可以使得策略引擎能够通过输入的上述模板获取到特有的策略元信息。
步骤S03、策略发现装置自适应获取特有的策略执行数据的获取方式并将获取方式发送给数据提供者。
在上传模板到NFV MANO系统之后,策略发现装置解析上述模板,获取到模板中描述的策略元信息内容,对于和这些模板关联的NS/VNF的实例的策略执行数据的获取方式,通知给数据提供者。数据提供者自动的感知针对这些特定NS/VNF的策略执行相关数据的获取方式。
当NS/VNF通过上传模板被实例化的时候,通过模板实例化是NFV MANO系统的基本功能,通过NFV MANO系统对外提供的接口onboarding,instantiate对NS/VNF实例化,例如,通过模板来实例化一个VNF,如发布者提供一个移动管理实体(Mobility Management Entity,MME)的VNFD,通过这个模板可以实例化创建出特定MME1、特定MME2等MME的实例,策略是应用到一定的实体,实体就是指的是这些实例,策略执行数据就是获取这些实体相关的数据。数据提供者通过已经获取到的特定NS/VNF的策略相关数据的获取方式,通过已经建立的外部系统的连接从外部系统中获取到这些策略执行数据。数据提供者只提供策略执行数据,并将获取到的数据传递给策略引擎,策略引擎根据不同时刻获取到的策略执行数据判断条件的满足情况,执行满足条件下的动作。
通过上述步骤,能够确保策略发现装置通过输入的上述模板获取到特定的策略执行数据的获取方式,并在NS/VNF实例化的时候通过已经建立的连接获取到这些策略执行数据。
步骤S04、策略发现装置自适应获取到装配完成的策略并发送给策略引擎。
当NS/VNF通过上传模板被实例化的时候,可以同时组装和待实例化的NS/VNF特有的策略,策略发现装置获取到这些组装好的完整的策略,通知策略引擎增加以生效执行。其中,对于策略的组装方式,可以有以下两种实现方式,1)在实例化过程策略发现装置获取用户初始组装好的策略,在客户端结合用户的需求进行修改,得到真正的策略,2)在实例化过程中由策略发现装置触发客户端根据策略元信息进行组装,得到策略。策略引擎获取到了新增特 有的策略元信息,客户端可以从策略引擎中提取这些特有的策略元信息,自适应的呈现这些策略元信息,并通过这些策略元信息组装成完整的策略。
步骤S05、策略发现装置自适应的触发策略引擎执行策略。
通过上述步骤S03策略引擎获取到了策略执行数据,通过上述步骤策略引擎得到了策略,策略引擎自动的执行和新支持的NS/VNF相关的特有的策略。
通过以上对本发明实施例的举例说明可知,借助于管理实体模板或策略元信息描述模板对NFV MANO系统需要支持的各种NS、VNF等管理实体特定策略的描述,通过内部模块对上述模板中特定策略内容的自适应处理,支持特定策略的编辑浏览和控制执行,提升NFV MANO系统对各类NS、VNF的自适应支持能力。所以,本发明实施例提供的策略发现装置可以实现如下功能:
1.可以自适应的对特定的策略进行管理。
2.可以按照一定格式自行定义需要支持的策略元信息。
3.可以自适应从模板中获取自定义的策略元信息。
4.可以自适应的将从模板中提取的策略元信息通过一定方式装配组装成由这些特定策略元信息组成的策略。
5.可以自适应的从模板中获取策略执行数据的获取方式,并根据描述的获取方式获取策略执行数据。
6.可以自适应的从模板中获取策略动作的执行交互内容,并根据描述的内容执行动作。
7.可以自适应的触发策略引擎执行特定的策略。
通过以上的实施方式的描述,所属领域的技术人员可以清楚地了解到本发明可借助软件加必需的通用硬件的方式来实现,当然也可以通过专用硬件包括专用集成电路、专用CPU、专用存储器、专用元器件等来实现。一般情况下,凡由计算机程序完成的功能都可以很容易地用相应的硬件来实现,而且,用来实现同一功能的具体硬件结构也可以是多种多样的,例如模拟电路、数字电路或专用电路等。但是,对本发明而言更多情况下软件程序实现是更佳的实施方式。基于这样的理解,本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在可读取的存储介质中,如计算机的软盘,U盘、移动硬盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、磁碟或者光盘 等,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本发明各个实施例所述的方法。
综上所述,以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照上述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对上述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (20)

  1. 一种策略实现方法,其特征在于,包括:
    当管理实体增加到网络功能虚拟化的管理和编排NFV MANO系统时,获取新增加的所述管理实体需要支持的的策略元信息;
    将所述策略元信息发送给策略引擎,以使所述策略引擎自动存储所述策略元信息,以便于客户端自动从所述策略引擎获取所述策略元信息并组装成策略;
    确定所述客户端组装完成所述策略之后,从所述客户端获取到所述策略,并将获取到的所述策略发送给所述策略引擎,以使所述策略引擎自动执行所述策略。
  2. 根据权利要求1所述的方法,其特征在于,所述当管理实体增加到网络功能虚拟化的管理和编排NFV MANO系统时,获取新增加的所述管理实体需要支持的的策略元信息,包括:
    当检测到有管理实体增加到NFV MANO系统时,获取所述管理实体对应的管理实体模板,所述管理实体模板包括:所述管理实体需要支持的策略元信息描述内容;
    根据所述策略元信息描述内容生成所述策略元信息。
  3. 根据权利要求1所述的方法,其特征在于,所述当管理实体增加到网络功能虚拟化的管理和编排NFV MANO系统时,获取新增加的所述管理实体需要支持的的策略元信息,包括:
    当检测到有管理实体增加到NFV MANO系统时,从策略元信息描述模板中获取所述管理实体需要支持的策略元信息描述内容;
    根据所述策略元信息描述内容解析出所述策略元信息。
  4. 根据权利要求3所述的方法,其特征在于,所述策略元信息描述模板,包括:
    所述管理实体的条件属性元信息、所述管理实体的动作元信息、组装策略时的约束限制条件。
  5. 根据权利要求1至4中任一项所述的方法,其特征在于,所述获取新增加的所述管理实体需要支持的的策略元信息之后,所述方法还包括:
    获取所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
    将所述策略执行数据的获取方式发送给数据提供者,以使所述数据提供者根据所述策略执行数据的获取方式自动获取到所述策略执行数据。
  6. 根据权利要求5所述的方法,其特征在于,所述获取所述管理实体被实例化时需要获取到的策略执行数据的获取方式,包括:
    获取所述管理实体对应的管理实体模板,所述管理实体模板包括:所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
    从所述管理实体模板中解析出所述策略执行数据的获取方式。
  7. 根据权利要求5所述的方法,其特征在于,所述获取所述管理实体被实例化时需要获取到的策略执行数据的获取方式,包括:
    获取所述策略元信息描述模板,所述策略元信息描述模板还包括:所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
    从所述策略元信息描述模板中解析出所述策略执行数据的获取方式。
  8. 根据权利要求1至7中任一项所述的方法,其特征在于,所述从所述客户端获取到所述策略,包括:
    获取初始策略,所述初始策略为对所述策略元信息进行初始组装后产生;
    获取所述客户端对所述初始策略进行修改后生成的所述策略。
  9. 根据权利要求1至8中任一项所述的方法,其特征在于,所述管理实体,包括:网络服务NS、和/或,虚拟网络功能VNF。
  10. 一种策略实现装置,其特征在于,包括:
    获取模块,用于当管理实体增加到网络功能虚拟化的管理和编排NFV MANO系统时,获取新增加的所述管理实体需要支持的的策略元信息;
    发送模块,用于将所述策略元信息发送给策略引擎,以使所述策略引擎自动存储所述策略元信息,以便于客户端自动从所述策略引擎获取所述策略元信息并组装成策略;
    策略管理模块,用于确定所述客户端组装完成所述策略之后,从所述客户端获取到所述策略,并将获取到的所述策略发送给所述策略引擎,以使所述策略引擎自动执行所述策略。
  11. 根据权利要求10所述的装置,其特征在于,所述获取模块,包括:
    第一获取子模块,用于当检测到有管理实体增加到NFV MANO系统时,获取所述管理实体对应的管理实体模板,所述管理实体模板包括:所述管理实 体需要支持的策略元信息描述内容;
    策略元信息生成子模块,用于根据所述策略元信息描述内容生成所述策略元信息。
  12. 根据权利要求10所述的装置,其特征在于,所述获取模块,包括:
    第二获取子模块,用于当检测到有管理实体增加到NFV MANO系统时,从策略元信息描述模板中获取所述管理实体需要支持的策略元信息描述内容;
    策略元信息解析子模块,用于根据所述策略元信息描述内容解析出所述策略元信息。
  13. 根据权利要求12所述的装置,其特征在于,所述策略元信息描述模板,包括:
    所述管理实体的条件属性元信息、所述管理实体的动作元信息、组装策略时的约束限制条件。
  14. 根据权利要求10至13中任一项所述的装置,其特征在于,
    所述获取模块,还用于获取新增加的所述管理实体需要支持的的策略元信息之后,获取所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
    所述发送模块,还用于将所述策略执行数据的获取方式发送给数据提供者,以使所述数据提供者根据所述策略执行数据的获取方式自动获取到所述策略执行数据。
  15. 根据权利要求14所述的装置,其特征在于,所述获取模块,包括:
    第三获取子模块,用于获取所述管理实体对应的管理实体模板,所述管理实体模板包括:所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
    第一解析子模块,用于从所述管理实体模板中解析出所述策略执行数据的获取方式。
  16. 根据权利要求14所述的装置,其特征在于,所述获取模块,包括:
    第四获取子模块,用于获取生成的策略元信息描述模板,所述策略元信息描述模板还包括:所述管理实体被实例化时需要获取到的策略执行数据的获取方式;
    第二解析子模块,用于从所述策略元信息描述模板中解析出所述策略执行 数据的获取方式。
  17. 根据权利要求10至16中任一项所述的装置,其特征在于,所述策略管理模块,具体用于获取初始策略,所述初始策略为对所述策略元信息进行初始组装后产生;获取所述客户端对所述初始策略进行修改后生成的所述策略。
  18. 根据权利要求10至17中任一项所述的装置,其特征在于,所述管理实体,包括:网络服务NS、和/或,虚拟网络功能VNF。
  19. 一种网络功能虚拟化的管理和编排NFV MANO系统,其特征在于,所述NFV MANO系统,包括:如权利要求10至18中任一项所述的策略实现装置、策略引擎和客户端,其中,
    所述策略引擎,用于接收所述策略实现装置发送的所述策略元信息,自动存储所述策略元信息;接收所述策略实现装置获取到的所述策略,自动执行所述策略;
    所述客户端,用于自动从所述策略引擎获取所述策略元信息并组装成策略。
  20. 根据权利要求19所述的NFV MANO系统,其特征在于,所述NFV MANO系统,还包括:数据提供者,其中,
    所述数据提供者,用于接收所述策略发现装置发送的所述策略执行数据的获取方式,根据所述策略执行数据的获取方式自动获取到所述策略执行数据。
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