CN110830315A - Network function construction method and device - Google Patents
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- CN110830315A CN110830315A CN201911368644.5A CN201911368644A CN110830315A CN 110830315 A CN110830315 A CN 110830315A CN 201911368644 A CN201911368644 A CN 201911368644A CN 110830315 A CN110830315 A CN 110830315A
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Abstract
The invention discloses a method and a device for constructing a network function, which analyze the network requirement of a received service request by calling a targeted service requirement analysis strategy and generate a network service view; analyzing the current network resource to generate a network resource information view; generating a service scheme aiming at the service request based on a network service view and a network resource information view by calling a targeted service scheme customization strategy; and allocating the network resources for the service request based on the service scheme of the service request by calling a targeted network resource allocation strategy. Therefore, by performing targeted analysis on the service request, the network requirement for the service request can be obtained, the service scheme of the service request is generated based on the current network state and the requirement of the service request, the adaptation of the upper layer application and the bottom layer resource is realized, and then the network resource is allocated based on the service scheme of the service request. Therefore, the targeted network guarantee can be provided for the service request.
Description
Technical Field
The invention relates to the field of internet, in particular to a network function construction method and a network function construction device.
Background
The network function constructing process may be understood as a process of responding to a service, for example, a service that a user requests to play a video request, and in response to the video playing request, network resources, for example, network paths, network bandwidth, etc. are allocated to the user. In the prior art, a network construction process usually adopts a static policy mode, that is, the same function construction policy is adopted for all service requirements, such as high definition video request, live broadcast request and mail receiving and sending request, and when these services exist in one network, the same policy is adopted to construct the network.
However, different service requests have different network requirements, for example, high definition video requires a wider bandwidth, live broadcast requires a lower time delay, and sending and receiving email requires a lower packet loss rate, and if the same policy is adopted, a targeted network guarantee cannot be provided for different service requirements.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method and an apparatus for constructing a network function, which solve the problem in the prior art that a targeted network guarantee cannot be provided for different service requirements.
The embodiment of the invention discloses a network function construction method, which comprises the following steps:
receiving a service request;
calling a service demand analysis strategy aiming at the service request, analyzing the network demand of the service request and generating a network service view;
analyzing the current network resource to generate a network resource information view;
calling a service scheme customization strategy aiming at the service request, and generating a service scheme aiming at the service request based on the network service view and the network resource view;
and calling a network resource allocation strategy aiming at the service request, and allocating network resources for the service request based on the service scheme.
Optionally, the invoking a service requirement analysis policy for the service request, analyzing the network requirement of the service request, and generating a network service view includes:
analyzing the data flow of the service request and determining the service type of the service request;
judging whether a service demand analysis strategy aiming at the service type is included;
if the service request comprises the service requirement analysis strategy matched with the service type, calling a first target service requirement analysis strategy matched with the service type, analyzing the service requirement of the service request based on the first target service requirement analysis strategy, and generating a network service view;
if the service requirement analysis strategy matched with the service type is not included, calling a default service requirement analysis strategy, analyzing the network requirement of the service request based on the default service requirement analysis strategy, and generating a network service view.
Optionally, the invoking a service scheme customization policy for the service request, and generating the service scheme for the service request based on the network service view and the network resource view includes:
judging whether a service scheme customization strategy matched with the type of the service request is included;
if the service scheme customization strategy matched with the service request type is included, calling a first target service scheme customization strategy matched with the service request type, and generating a service scheme aiming at the service request based on the network service view and the network resource view;
if the service scheme customization strategy matched with the type of the service request is not included, calling a default service scheme customization strategy, and generating a service scheme aiming at the service request based on the network service view and the network resource view.
Optionally, the generating a service scheme for the service requirement based on the network service view and the network resource view includes:
fitting the network service view and the network resource view;
and distributing a transmission path for the service request based on the fitting result, and deploying a node for providing service for the service request on the transmission path.
Optionally, the invoking a network resource allocation policy for the service request, and allocating network resources for the service request based on the service scheme includes:
judging whether a network resource allocation strategy matched with the type of the service request is included;
if the network resource allocation strategy matched with the type of the service request is included, calling the network resource allocation strategy matched with the type of the service request, and allocating network resources for the service request based on the service scheme;
if the network resource allocation strategy matched with the type of the service request is not included, calling a default network resource allocation strategy, and allocating network resources for the service request based on the service scheme.
Optionally, the allocating network resources based on the service plan includes:
deploying a service type based on the network requirement of the service request on a transmission path allocated for the service request;
and defining the processing capacity and the forwarding mode of each service node on the transmission path based on the service scheme.
Optionally, the method further includes:
in response to the instruction for adding or updating the service demand analysis strategy, adding the received second target service demand analysis strategy, or replacing the received second target service demand analysis strategy with the existing service demand analysis strategy;
in response to the instruction for adding or updating the service scheme customization policy, adding the received second target service scheme customization policy, or replacing the received second target service scheme customization policy with the existing service scheme customization policy;
in response to adding or updating the network resource allocation policy, adding the received second target network resource allocation policy or replacing the received second target network resource allocation policy with an existing target network resource allocation policy.
The embodiment of the invention also discloses a network function constructing device, which comprises:
a receiving unit, configured to receive a service request;
the service requirement analysis unit is used for calling a service requirement analysis strategy aiming at the service request, analyzing the network requirement of the service request and generating a network service view;
the network analysis unit is used for analyzing the current network resource and generating a network resource information view;
a service scheme customizing unit, configured to invoke a service scheme customizing policy for the service request, and generate a service scheme for the service request based on the network service view and the network resource view;
and the network resource allocation unit is used for calling a network resource allocation strategy aiming at the service request and allocating network resources for the service request based on the service scheme.
Optionally, the service requirement analysis unit includes:
a service type determining subunit, configured to analyze data traffic of the service request and determine a service type of the service request;
the first judging subunit is used for judging whether a service demand analysis strategy aiming at the service type is included;
the first service demand analysis subunit is used for calling a first target service demand analysis strategy matched with the service type if the service demand analysis strategy matched with the service type is included, analyzing the service demand of the service request based on the first target service demand analysis strategy and generating a network service view;
and the second service requirement analysis subunit is used for calling a default service requirement analysis strategy if the service requirement analysis strategy matched with the service type is not included, analyzing the network requirement of the service request based on the default service requirement analysis strategy and generating a network service view.
Optionally, the method further includes:
the first self-defining unit is used for responding to an instruction for adding or updating the service demand analysis strategy, adding the received second target service demand analysis strategy, or replacing the received second target service demand analysis strategy with the existing service demand analysis strategy;
the second self-defining unit is used for responding to an instruction for adding or updating the service scheme customizing strategy, adding the received second target service scheme customizing strategy, or replacing the received second target service scheme customizing strategy with the existing service scheme customizing strategy;
and the third self-defining unit is used for responding to the addition or the update of the network resource allocation strategy, and adding the received second target network resource allocation strategy or replacing the received second target network resource allocation strategy with the existing target network resource allocation strategy.
The embodiment of the invention discloses a method and a device for constructing a network function, which analyze the network requirement of a received service request by calling a targeted service requirement analysis strategy to generate a network service view; analyzing the current network resource to generate a network resource information view; generating a service scheme aiming at the service request based on a network service view and a network resource information view by calling a targeted service scheme customization strategy; and allocating the network resources for the service request based on the service scheme of the service request by calling a targeted network resource allocation strategy. Therefore, by performing targeted analysis on the service request, the network requirement for the service request can be obtained, the service scheme of the service request is generated based on the current network state and the requirement of the service request, the adaptation of the upper layer application and the bottom layer resource is realized, and then the network resource is allocated based on the service scheme of the service request. Therefore, the targeted network guarantee can be provided for the service request.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart illustrating a method for constructing a network function according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a method for analyzing network requirements of the service request according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a network function constructing apparatus according to an embodiment of the present invention;
FIG. 4 shows a schematic diagram of a software defined model library.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a flowchart of a method for constructing a network function according to an embodiment of the present invention is shown, where the method includes:
s101: receiving a service request;
in this embodiment, the service request is a network service request initiated by a user, such as a video playing request, a request for sending and receiving an email, and the like.
It should be noted that the following process of constructing a network function may be understood as a process of responding to a service request.
S102: calling a service demand analysis strategy aiming at the service request, analyzing the network demand of the service request and generating a network service view;
in this embodiment, because different service requests have different requirements for the network, in order to meet different service requirements, a plurality of different service requirement analysis strategies are stored in the system in advance and used for analyzing the network requirements of the service requests. The multiple different service requirements are used for different types of service requests, such as a service requirement analysis strategy for a high-definition video request, a service requirement analysis strategy for a mail receiving and sending request, a service requirement analysis strategy for a live broadcast request, and the like.
The network requirements of the service requests are analyzed to generate a network service view, the service requirements are mainly converted into formal description requests, and diversified upper-layer applications are mapped into network services.
The network service view information is a combination of network requirements of the service request, and includes, for example: service type requirements, security requirements, Qos service requirements, node or link resource requirements, and the like. The service type requirements include data service, voice service, video service, point-to-point download service, and the like. The security requirements include: security level requirements, encryption features, and the like. Qos service requirements include latency, packet loss rate, throughput, jitter, etc. The node or link requirements include node processing power, link bandwidth resources, network information topology information, and the like.
In this embodiment, in order to provide a network guarantee more targeted to a service request, service requirement analysis policies may be set at different granularities, for example, the two granularities may include: and setting a service requirement analysis strategy by taking the type of the service request as the minimum granularity, or setting the service requirement analysis strategy by taking the service request as the minimum granularity.
As described below by taking the type of the service request as the minimum granularity, the calling process of the service requirement analysis policy specifically includes, in S102:
s201, analyzing the data flow of the service request and determining the service type of the service request;
s202, judging whether a service demand analysis strategy aiming at the service type is included;
s203, if the business requirement analysis strategy matched with the business type is contained, calling a first target business requirement analysis strategy matched with the business type, analyzing the business requirement of the business request based on the first target business requirement analysis strategy, and generating a network business view;
and S204, if the service requirement analysis strategy matched with the service type is not included, calling a default service requirement analysis strategy, analyzing the network requirement of the service request based on the default service requirement analysis strategy, and generating a network service view.
The default service requirement analysis policy may be understood as a general service requirement analysis policy, mainly for undefined service types.
As can be seen from the above description, the defined service demand analysis policy has a higher priority than the default service demand analysis policy, and in the case that some service types have the service demand analysis policy, the service demand analysis policy for the service type is directly invoked, but in the case that the service demand policy for the service type is not defined, the default service demand analysis policy may be adopted.
The detection of the data type may be performed by a variety of methods, which are not limited in this embodiment, and may include:
and the service data flow is accurately analyzed by a service flow detection technology, a deep packet detection technology, a deep/dynamic flow detection technology and the like.
S103: analyzing the current network resource to generate a network resource information view;
in this embodiment, analyzing the network resource may be understood as analyzing a state of the current network resource, and converting the current network resource into a network resource information view according to a preset format requirement.
Wherein, the network resource information view comprises: network node resources, network state resources, topology information and network infrastructure information, network service deployment state, lifecycle, and link load state and congestion conditions.
S104: calling a service scheme customization strategy, and generating a service scheme aiming at the service request based on the network service view and the network resource view;
in this implementation, in the prior art, because a static policy model is used to construct a network, the problem of non-adaptation between upper layer application and bottom layer resources is caused, and in order to break through the problem of non-adaptation between upper layer application and bottom layer resources in a conventional network, a service scheme for a service request is generated in combination with a network service view and a network resource view, and a routing addressing mode having requirements for a specific service, and meeting service quality, network dynamic behavior characteristics, and the like is formed.
The service scheme may include, for example: and generating a transmission path of the service request, and generating a deployment position of the service type required by the service on the transmission path so that the network function can meet the network requirement of the service request.
In this embodiment, in order to provide a network guarantee more targeted for a service request, the service scheme customization policy may be set at different granularities, which may include, for example, the following two granularities: and setting a service scheme customization strategy by taking the type of the service request as the minimum granularity, or setting the service scheme customization strategy by taking the service request as the minimum granularity.
As described below by taking the type of the service request as the minimum granularity, the service scheme customizes the calling process of the policy, specifically, S104 includes:
judging whether a service scheme customization strategy matched with the type of the service request is included;
if the service scheme customization strategy matched with the service request type is included, calling a first target service scheme customization strategy matched with the service request type, and generating a service scheme aiming at the service request based on the network service view and the network resource view;
if the service scheme customization strategy matched with the type of the service request is not included, calling a default service scheme customization strategy, and generating a service scheme aiming at the service request based on the network service view and the network resource view.
The default service scheme customizing policy may be understood as a general service scheme customizing policy, mainly for undefined service types.
The process of generating the service scheme for the business requirement may include:
fitting the network service view and the network resource view;
and distributing a transmission path for the service request based on the fitting result, and deploying a node for providing service for the service request on the transmission path.
In this embodiment, matching the network service view and the network resource view may be understood as matching the current network resource with the service request, so that the network resource satisfies the service quality and the network dynamic behavior characteristics.
In this embodiment, a transmission path is allocated to the service request, which may be understood as converting the service request into an addressing route. Wherein the allocated transmission path is used for transmitting the data packet responding to the service request. And deploying nodes for providing services for the service on the path, so that the service type, the security performance, the Qos service capability and the node link resources of the transmission path can meet the network requirements of the service request.
S105: calling a network resource allocation strategy, and allocating network resources for the service request based on the service scheme;
in this embodiment, allocating network resources for the service request based on the service scheme mainly adapts the allocated network resources to the service request, for example, the service scheme is converted into processing capability and a forwarding manner of each network element node on a transmission path of the service request.
In this embodiment, in order to provide network guarantee more targeted to a service request, network resource allocation policies may be set at different granularities, which may include, for example, the following two granularities: and setting a network resource allocation strategy by taking the type of the service request as the minimum granularity, or setting the network resource allocation strategy by taking the service request as the minimum granularity.
As described below by taking the type of the service request as the minimum granularity, the invoking process of the network resource allocation policy specifically includes:
judging whether a network resource allocation strategy matched with the type of the service request is included;
if the network resource allocation strategy matched with the type of the service request is included, calling the network resource allocation strategy matched with the type of the service request, and allocating network resources for the service request based on the service scheme;
if the network resource allocation strategy matched with the type of the service request is not included, calling a default network resource allocation strategy, and allocating network resources for the service request based on the service scheme.
The default network resource allocation policy may be understood as a general network resource allocation policy, mainly for an undefined service type.
Wherein S105 may include:
deploying a service type based on the network requirement of the service request on a transmission path allocated for the service request;
and defining the processing capacity and the forwarding mode of each service node on the transmission path based on the service scheme.
In this embodiment, in order to adapt to the current network environment, a service function link corresponding to a service type may be constructed and deployed based on the processing capability of a node in the current network and the bandwidth resource of a network link.
Further, the business requirement analysis policy, the service scheme customization policy and the network resource allocation policy may be customized, for example, further comprising:
in response to the instruction for adding or updating the service demand analysis strategy, adding the received second target service demand analysis strategy, or replacing the received second target service demand analysis strategy with the existing service demand analysis strategy;
in response to the instruction for adding or updating the service scheme customization policy, adding the received second target service scheme customization policy, or replacing the received second target service scheme customization policy with the existing service scheme customization policy;
in response to adding or updating the network resource allocation policy, adding the received second target network resource allocation policy or replacing the received second target network resource allocation policy with an existing target network resource allocation policy.
It should be noted that the second target service demand analysis policy is a newly generated service demand analysis policy defined by the user; the second target service scheme customizing strategy is user-defined, and a newly generated service scheme customizing strategy; the second target network resource allocation strategy is a newly generated network resource allocation strategy which is self-defined by the user.
Besides adding and updating the business requirement analysis strategy, the service scheme customization strategy and the network resource allocation strategy, the method can also modify the existing business requirement analysis strategy, the service scheme customization strategy and the network resource allocation strategy.
In this embodiment, the service requirement analysis policy, the service scheme customization policy, and the network resource allocation policy may be stored in a preset software definition model library, and in the process of executing the network configuration, the service requirement analysis policy, the service scheme customization policy, and the network resource allocation policy in the software definition model library may be invoked.
Moreover, it can be known from the above description that the requirement analysis policy, the service scheme customization policy and the network resource allocation policy can be modified, added and replaced in the software definition model library.
In addition, the strategy provided in the software defined model base can directly act on each link of the network function structure through the compiler, support the interconnection and intercommunication of any standard protocol or private network protocol, and support the service arrangement, routing addressing and interconnection forwarding which are irrelevant to the protocol.
In the embodiment, by calling a targeted service demand analysis strategy, the network demand of the received service request is analyzed, and a network service view is generated; analyzing the current network resource to generate a network resource information view; generating a service scheme aiming at the service request based on a network service view and a network resource information view by calling a targeted service scheme customization strategy; and allocating the network resources for the service request based on the service scheme of the service request by calling a targeted network resource allocation strategy. Therefore, by performing targeted analysis on the service request, the network requirement for the service request can be obtained, the service scheme of the service request is generated based on the current network state and the requirement of the service request, the adaptation of the upper layer application and the bottom layer resource is realized, and then the network resource is allocated based on the service scheme of the service request. Therefore, the targeted network guarantee can be provided for the service request.
Referring to fig. 3, a schematic structural diagram of a network function constructing device is further disclosed in the embodiment of the present invention, and in the embodiment, the device includes:
301. a receiving unit, configured to receive a service request;
302. the service requirement analysis unit is used for calling a service requirement analysis strategy aiming at the service request, analyzing the network requirement of the service request and generating a network service view;
303. the network analysis unit is used for analyzing the current network resource and generating a network resource information view;
304. a service scheme customizing unit, configured to invoke a service scheme customizing policy for the service request, and generate a service scheme for the service request based on the network service view and the network resource view;
305. and the network resource allocation unit is used for calling a network resource allocation strategy aiming at the service request and allocating network resources for the service request based on the service scheme.
Optionally, the service requirement analysis unit includes:
a service type determining subunit, configured to analyze data traffic of the service request and determine a service type of the service request;
the first judging subunit is used for judging whether a service demand analysis strategy aiming at the service type is included;
the first service demand analysis subunit is used for calling a first target service demand analysis strategy matched with the service type if the service demand analysis strategy matched with the service type is included, analyzing the service demand of the service request based on the first target service demand analysis strategy and generating a network service view;
and the second service requirement analysis subunit is used for calling a default service requirement analysis strategy if the service requirement analysis strategy matched with the service type is not included, analyzing the network requirement of the service request based on the default service requirement analysis strategy and generating a network service view.
Optionally, the service scheme customizing unit includes:
the second judging subunit is used for judging whether a service scheme customization strategy matched with the type of the service request is included;
a first service scheme customizing subunit, configured to, if a service scheme customizing policy matching the service request type is included, invoke a first target service scheme customizing policy matching the service request type, and generate a service scheme for the service request based on the network service view and the network resource view;
and the second service scheme customizing subunit is used for calling a default service scheme customizing strategy if the service scheme customizing strategy matched with the type of the service request is not included, and generating a service scheme aiming at the service request based on the network service view and the network resource view.
Optionally, the service scheme customizing unit further includes:
the fitting subunit is configured to fit the network service view and the network resource view;
and the service scheme customizing subunit is used for allocating a transmission path for the service request based on the fitting result and deploying a node for providing service for the service request on the transmission path.
Optionally, the network resource allocation unit includes:
a third judging subunit, configured to judge whether a network resource allocation policy matching the type of the service request is included;
the first network resource allocation subunit is used for calling a network resource allocation strategy matched with the type of the service request if the first network resource allocation subunit contains the network resource allocation strategy matched with the type of the service request, and allocating network resources for the service request based on the service scheme;
and the second network resource allocation subunit is used for calling a default network resource allocation strategy if the network resource allocation strategy matched with the type of the service request is not included, and allocating network resources for the service request based on the service scheme.
Optionally, the network resource allocation unit further includes:
a service type deployment subunit, configured to deploy a service type based on a network requirement of the service request on a transmission path allocated to the service request;
and the node definition subunit is used for defining the processing capacity and the forwarding mode of each service node on the transmission path based on the service scheme.
Optionally, the method further includes:
the first self-defining unit is used for responding to an instruction for adding or updating the service demand analysis strategy, adding the received second target service demand analysis strategy, or replacing the received second target service demand analysis strategy with the existing service demand analysis strategy;
the second self-defining unit is used for responding to an instruction for adding or updating the service scheme customizing strategy, adding the received second target service scheme customizing strategy, or replacing the received second target service scheme customizing strategy with the existing service scheme customizing strategy;
and the third self-defining unit is used for responding to the addition or the update of the network resource allocation strategy, and adding the received second target network resource allocation strategy or replacing the received second target network resource allocation strategy with the existing target network resource allocation strategy.
The embodiment of the invention discloses a method and a device for constructing a network function, which analyze the network requirement of a received service request by calling a targeted service requirement analysis strategy to generate a network service view; analyzing the current network resource to generate a network resource information view; generating a service scheme aiming at the service request based on a network service view and a network resource information view by calling a targeted service scheme customization strategy; and allocating the network resources for the service request based on the service scheme of the service request by calling a targeted network resource allocation strategy. Therefore, by performing targeted analysis on the service request, the network requirement for the service request can be obtained, a service scheme for the service request is generated based on the current network state and the requirement of the service request, the adaptation of upper-layer application and bottom-layer resources is realized, and then the network resources are allocated based on the service scheme for the service request. Therefore, the targeted network guarantee can be provided for the service request.
Referring to fig. 4, a software definition model library is shown, in which a service requirement analysis policy, a service scheme customization policy and a network resource allocation policy are stored, and the service requirement analysis policy, the service scheme customization policy and the network resource allocation policy in the software definition model library are invoked in the process of executing the network function configuration.
And the requirement analysis strategy, the service scheme customization strategy and the network resource allocation strategy can be modified, added and replaced in the software defined model library.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method of constructing a network function, comprising:
receiving a service request;
calling a service demand analysis strategy aiming at the service request, analyzing the network demand of the service request and generating a network service view;
analyzing the current network resource to generate a network resource information view;
calling a service scheme customization strategy aiming at the service request, and generating a service scheme aiming at the service request based on the network service view and the network resource view;
and calling a network resource allocation strategy aiming at the service request, and allocating network resources for the service request based on the service scheme.
2. The method of claim 1, wherein the invoking a service requirement analysis policy for the service request, analyzing the network requirement of the service request, and generating a network service view comprises:
analyzing the data flow of the service request and determining the service type of the service request;
judging whether a service demand analysis strategy aiming at the service type is included;
if the service request comprises the service requirement analysis strategy matched with the service type, calling a first target service requirement analysis strategy matched with the service type, analyzing the service requirement of the service request based on the first target service requirement analysis strategy, and generating a network service view;
if the service requirement analysis strategy matched with the service type is not included, calling a default service requirement analysis strategy, analyzing the network requirement of the service request based on the default service requirement analysis strategy, and generating a network service view.
3. The method of claim 2, wherein the invoking a service plan customization policy for the service request, and generating the service plan for the service request based on the network traffic view and the network resource view comprises:
judging whether a service scheme customization strategy matched with the type of the service request is included;
if the service scheme customization strategy matched with the service request type is included, calling a first target service scheme customization strategy matched with the service request type, and generating a service scheme aiming at the service request based on the network service view and the network resource view;
if the service scheme customization strategy matched with the type of the service request is not included, calling a default service scheme customization strategy, and generating a service scheme aiming at the service request based on the network service view and the network resource view.
4. The method of claim 1 or 3, wherein generating the service plan for the traffic demand based on the network traffic view and the network resource view comprises:
fitting the network service view and the network resource view;
and distributing a transmission path for the service request based on the fitting result, and deploying a node for providing service for the service request on the transmission path.
5. The method of claim 2, wherein invoking the network resource allocation policy for the service request, allocating network resources for the service request based on the service plan, comprises:
judging whether a network resource allocation strategy matched with the type of the service request is included;
if the network resource allocation strategy matched with the type of the service request is included, calling the network resource allocation strategy matched with the type of the service request, and allocating network resources for the service request based on the service scheme;
if the network resource allocation strategy matched with the type of the service request is not included, calling a default network resource allocation strategy, and allocating network resources for the service request based on the service scheme.
6. The method of claim 1 or 5, wherein said allocating network resources based on said service plan comprises:
deploying a service type based on the network requirement of the service request on a transmission path allocated for the service request;
and defining the processing capacity and the forwarding mode of each service node on the transmission path based on the service scheme.
7. The method of claim 1, further comprising:
in response to the instruction for adding or updating the service demand analysis strategy, adding the received second target service demand analysis strategy, or replacing the received second target service demand analysis strategy with the existing service demand analysis strategy;
in response to the instruction for adding or updating the service scheme customization policy, adding the received second target service scheme customization policy, or replacing the received second target service scheme customization policy with the existing service scheme customization policy;
in response to adding or updating the network resource allocation policy, adding the received second target network resource allocation policy or replacing the received second target network resource allocation policy with an existing target network resource allocation policy.
8. An apparatus for constructing a network function, comprising:
a receiving unit, configured to receive a service request;
the service requirement analysis unit is used for calling a service requirement analysis strategy aiming at the service request, analyzing the network requirement of the service request and generating a network service view;
the network analysis unit is used for analyzing the current network resource and generating a network resource information view;
a service scheme customizing unit, configured to invoke a service scheme customizing policy for the service request, and generate a service scheme for the service request based on the network service view and the network resource view;
and the network resource allocation unit is used for calling a network resource allocation strategy aiming at the service request and allocating network resources for the service request based on the service scheme.
9. The apparatus of claim 8, wherein the service requirement analysis unit comprises:
a service type determining subunit, configured to analyze data traffic of the service request and determine a service type of the service request;
the first judging subunit is used for judging whether a service demand analysis strategy aiming at the service type is included;
the first service demand analysis subunit is used for calling a first target service demand analysis strategy matched with the service type if the service demand analysis strategy matched with the service type is included, analyzing the service demand of the service request based on the first target service demand analysis strategy and generating a network service view;
and the second service requirement analysis subunit is used for calling a default service requirement analysis strategy if the service requirement analysis strategy matched with the service type is not included, analyzing the network requirement of the service request based on the default service requirement analysis strategy and generating a network service view.
10. The apparatus of claim 8, further comprising:
the first self-defining unit is used for responding to an instruction for adding or updating the service demand analysis strategy, adding the received second target service demand analysis strategy, or replacing the received second target service demand analysis strategy with the existing service demand analysis strategy;
the second self-defining unit is used for responding to an instruction for adding or updating the service scheme customizing strategy, adding the received second target service scheme customizing strategy, or replacing the received second target service scheme customizing strategy with the existing service scheme customizing strategy;
and the third self-defining unit is used for responding to the addition or the update of the network resource allocation strategy, and adding the received second target network resource allocation strategy or replacing the received second target network resource allocation strategy with the existing target network resource allocation strategy.
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