CN107493184B - Virtualized network function deployment method and system - Google Patents
Virtualized network function deployment method and system Download PDFInfo
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- CN107493184B CN107493184B CN201610414352.0A CN201610414352A CN107493184B CN 107493184 B CN107493184 B CN 107493184B CN 201610414352 A CN201610414352 A CN 201610414352A CN 107493184 B CN107493184 B CN 107493184B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5041—Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the time relationship between creation and deployment of a service
- H04L41/5045—Making service definitions prior to deployment
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5041—Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the time relationship between creation and deployment of a service
- H04L41/5051—Service on demand, e.g. definition and deployment of services in real time
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- H—ELECTRICITY
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- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/72—Admission control; Resource allocation using reservation actions during connection setup
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Abstract
The embodiment of the invention provides a method and a system for deploying virtualized network functions.A deployment strategy is firstly formulated according to types when each virtual deployment unit under a virtualized network function instance is deployed, and the specified deployment strategy comprises the steps of deploying different types of virtual deployment units to different types of deployment position groups; wherein one type of deployment location group consists of at least one deployment location group, one deployment location group consists of at least one deployment location, and one deployment location can deploy at least one virtual deployment unit; and then deploying each virtual deployment unit under the virtualized network function instance to a corresponding deployment position group according to the formulated deployment strategy. Therefore, different types of virtual deployment units under one virtualized network function instance can be deployed at different deployment positions, different-position deployment of the virtual deployment units in classification is realized, and management of the virtualized network function instance is facilitated.
Description
Technical Field
The present invention relates to the field of Network Function Virtualization (NFV) technology, and in particular, to a Virtualized Network Function (VNF) deployment method and system.
Background
Currently, in the field of Network Function Virtualization (NFV), a single Virtualized Network Function (VNF) instance has multiple Virtual Deployment Units (VDUs), and a virtual Deployment Unit is composed of one or more components (VNFCs, which provide functional subsets of VNFs) inside the VNF, and is an independently deployable Unit in the NFV, such as a virtual machine or a container. Currently, in the field of Network Function Virtualization (NFV), all Virtual deployment units in one Virtualized Network Function (VNF) instance can be deployed in only one deployment location, which may be a Data Center (DC) or a Virtual Data Center (vDC). The virtual data center abstractly integrates physical resources of one DC or a plurality of DCs into a group of associated virtual resources through a virtualization technology, and can dynamically allocate and schedule the resources. In the field of Network Function Virtualization (NFV), all virtual deployment units in a virtualized network function instance are deployed at a deployment location, which causes great inconvenience to management of the virtualized network function instance. For example, the control-plane-type virtual deployment unit in the virtualized network function instance cannot be deployed at the deployment position of the central position in a targeted manner for centralized management, and the user-plane-type virtual deployment unit in the virtualized network function instance cannot be deployed at the deployment position closer to the user in a centralized manner to improve the user experience. Another example is: the primary type virtual deployment unit and the standby type virtual deployment unit under the virtualized network function instance cannot be deployed at different deployment positions to realize the remote disaster recovery of the virtualized network function instance.
Disclosure of Invention
The embodiment of the invention provides a method and a system for deploying virtualized network functions, which mainly solve the technical problems that: the method solves the problem that in the field of network function virtualization in the prior art, all virtual deployment units under one virtualized network function instance are deployed at one deployment position, so that great inconvenience is caused to the management of the virtualized network function instance.
To solve the foregoing technical problem, an embodiment of the present invention provides a method for deploying a virtualized network function, including:
the method comprises the steps that deployment strategies are formulated for all virtual deployment units under a virtualized network function instance according to types, wherein the deployment strategies comprise the step that the virtual deployment units of different types are deployed into deployment position groups of different types, one type of deployment position group comprises at least one deployment position group, one deployment position group comprises at least one deployment position, and one deployment position can at least deploy one virtual deployment unit;
and deploying each virtual deployment unit under the virtualized network function instance to a corresponding deployment position group according to the deployment strategy.
To solve the foregoing technical problem, an embodiment of the present invention further provides a virtualized network function deployment system, including:
the deployment position strategy management module is used for setting different types of deployment position groups, wherein one type of deployment position group consists of at least one deployment position group, one deployment position group consists of at least one deployment position, and one deployment position can deploy at least one virtual deployment unit;
the deployment strategy comprises that the virtual deployment units of different types are deployed to deployment position groups of different types;
and the deployment module is used for deploying each virtual deployment unit under the virtualized network function instance to the corresponding deployment position group according to the deployment strategy.
The embodiment of the invention also provides a computer storage medium, wherein a computer executable instruction is stored in the computer storage medium, and the computer executable instruction is used for executing the virtualized network function deployment method.
The invention has the beneficial effects that:
according to the method, the system and the computer storage medium for deploying the virtualized network function, when each virtual deployment unit under the virtualized network function instance is deployed, a deployment strategy is firstly formulated according to types, and the specified deployment strategy comprises the steps of deploying different types of virtual deployment units to different types of deployment position groups; wherein one type of deployment location group consists of at least one deployment location group, one deployment location group consists of at least one deployment location, and one deployment location can deploy at least one virtual deployment unit; and then deploying each virtual deployment unit under the virtualized network function instance to a corresponding deployment position group according to the formulated deployment strategy. Therefore, different types of virtual deployment units under one virtualized network function instance can be deployed at different deployment positions, different-position deployment of the virtual deployment units in classification is realized, and management of the virtualized network function instance is facilitated. For example, the solution provided by this embodiment may separately deploy and manage the virtual deployment units of the control plane type and the user plane type in the virtualized network function instance, and may also deploy the virtual deployment units of the active type and the standby type in the virtualized network function instance at different deployment locations to implement remote disaster recovery of the virtualized network function instance.
Drawings
Fig. 1 is a schematic flow chart of a virtualized network function deployment method according to a first embodiment of the present invention;
fig. 2 is a flowchart illustrating another method for deploying virtualized network functions according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a virtualized network function deployment system according to a second embodiment of the present invention;
fig. 4 is a schematic diagram of a virtualized network function deployment according to a second embodiment of the present invention;
fig. 5 is a schematic view of another virtualized network function deployment according to a second embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
in this embodiment, the deployment locations (which may be DC or vDC) are classified into different types to obtain different types of deployment location groups, where a type of deployment location group is composed of at least one deployment location group, one deployment location group is composed of at least one deployment location, and one deployment location can deploy at least one virtual deployment unit. In this embodiment, the capacity of each deployment location (that is, how many virtual deployment units can be deployed) can be flexibly set. For example, the number of the cells can be set to 1, 2 or more, and the setting can be specifically set according to actual requirements. The setting rules of the virtual deployment units at each deployment position in one deployment position group can also be flexibly set, and this embodiment is described later with reference to several exemplary allocation principles.
Based on the classification setting of the deployment location, the virtualized network function deployment method in this embodiment is shown in fig. 1, and includes:
s101: making a deployment strategy for each virtual deployment unit under the virtualized network function instance according to the type; the resulting deployment policy includes deploying different types of virtual deployment units into different types of deployment location groups. In this embodiment, the virtual deployment unit may be classified from the perspective of a control plane type and a user plane type, from the perspective of an active type and a standby type, or from the perspective of other types.
And S102, deploying each virtual deployment unit under the virtualized network function instance to a corresponding deployment position group according to the obtained deployment strategy. Therefore, different types of virtual deployment units under the virtualized network function instance can be ensured to be deployed in different deployment position groups, and management of the virtualized network function instance is facilitated. The invention is further illustrated below by way of example in the two types of angles described above.
The classification is made from the point of view of control plane type and user plane type:
the virtual deployment unit under the virtualized network function instance generally comprises a user plane type virtual deployment unit and a control plane type virtual deployment unit; the present embodiment may divide the deployment locations (which may be understood as DC or vDC) into an edge type deployment location group and a center type deployment location group; wherein the center type set of deployment locations may consist of deployment locations near the center of the geographic location and the edge type set of deployment locations may consist of deployment locations closer to the user. For example, assuming that there are currently four deployment locations DC 1-DC 4, where DC1 is located at the center location and DC2, DC3, and DC4 are closer to the user, DC1 may be divided into a center type deployment location group, and the virtual deployment unit capacity of DC1 may be set to 2 or 4, etc.; the method comprises the steps that DC2, DC3 and DC4 are divided into edge type deployment position groups, DC2, DC3 and DC4 in the edge type deployment position groups, DC2 and DC3 can be divided into one deployment position group, DC4 can be divided into another deployment position group, and the capacity of virtual deployment units of DC2, DC3 and DC4 can be set to be 2.
Based on the setting, the step of formulating the deployment strategy according to the type for each virtual deployment unit under the virtualized network function instance comprises the following steps:
and setting the virtual deployment unit of the user plane type to be deployed in the edge type deployment position group, and setting the virtual deployment unit of the control plane type to be deployed in the center type deployment position group. In this way, all the control surface type virtual deployment units under the virtualized network function instance can be centrally deployed in the heart type deployment position group, so that centralized management is facilitated; meanwhile, the user plane type virtual deployment unit can be deployed in the edge type deployment position group closer to the user, and user experience can be improved.
The classification is made from the perspective of the primary type and the backup type:
the virtual deployment units under the virtualized network function instance comprise main virtual deployment units and standby virtual deployment units corresponding to the main virtual deployment units; the present embodiment may further divide the deployment locations (which may be DC or vDC) into a primary type deployment location group and a standby type deployment location group; the same type of deployment location group may include at least one deployment location group, one deployment location group including at least one deployment location, and one deployment location capable of deploying at least one virtual deployment unit. For example, it is assumed that there are currently four deployment locations DC1 to DC4, DC1 and DC2 form an active type deployment location group, DC3 and DC4 form a standby type deployment location group, and the virtual deployment unit capacities of DC1, DC2, DC3, and DC4 may all be set to 3 or 5, and the like.
At this time, the step of formulating a deployment policy according to the type for each virtual deployment unit under the virtualized network function instance includes:
and setting the active virtual deployment unit to be deployed in the active type deployment position group, and the standby virtual deployment unit to be deployed in the standby type deployment position group. Therefore, when all basic resources at a certain position in the main type deployment position group have faults, the standby virtual deployment units at the corresponding deployment positions in the standby type deployment position group can be called to continue providing services, and remote disaster recovery is realized.
It should be understood that, in this embodiment, local disaster recovery may also be simultaneously implemented, and at this time, the standby virtual deployment units corresponding to the active virtual deployment units need to be deployed in the active type deployment location group at the same time.
A combination of two or more classification angles:
it will be appreciated by those skilled in the art that embodiments may also combine the two classification angles described above. For example, the classified deployment may be performed according to the angles of the control plane type and the user plane type, and then the deployed standby virtual deployment units of each control plane virtual deployment unit and each user plane virtual deployment unit are respectively and correspondingly deployed in the additionally-arranged standby central type deployment position group and the standby edge type deployment position group. And it should be understood by those skilled in the art that the classification angles in the present embodiment are not limited to the above-mentioned exemplary angles, and the classification angles suitable for the solution of the present embodiment are within the protection scope of the present invention.
In this embodiment, different types of virtual deployment units are deployed to different types of deployment location groups in at least one of the following two ways:
the first method is as follows: setting deployment positions of corresponding deployment position groups in the deployment position groups of the respective corresponding types in the virtual deployment units of different types; the method can directly input the specific deployment position of the corresponding deployment position group in the corresponding type deployment position group in the virtual deployment unit, and supports manual input of a user. When the subsequent deployment is carried out, the deployment is directly carried out at the specific deployment position; of course, in addition to the configuration of the deployment location, the configuration of the network resources, the storage resources, the VDU computing resources, and the like of the virtual deployment unit is also included, but not limited to.
The second method comprises the following steps: each deployment position group in each type of deployment position group has a respective position attribute identifier, and the position attribute identifiers of each deployment position group in different types of deployment position groups in this embodiment are different.
The method can set the position attribute identification of the corresponding deployment position group in the deployment position groups of the corresponding types in the virtual deployment units of different types.
Based on the above setting, in this embodiment, deploying each virtual deployment unit in the virtualized network function instance to the corresponding deployment location group according to the deployment policy also includes at least one of the following two manners:
the first method is as follows: when the virtual deployment unit to be deployed comprises deployment positions, directly finding a corresponding deployment position group in the deployment position groups of the corresponding types according to the deployment positions, and deploying the virtual deployment unit to be deployed at the deployment positions in the deployment position groups; this approach may be used to directly specify the deployment location manually.
The second method comprises the following steps: and when the virtual deployment unit to be deployed comprises the position attribute identification, finding a corresponding deployment position group in the deployment position group of the corresponding type according to the position attribute identification, and selecting one deployment position for the virtual deployment unit to be deployed from the deployment positions provided by the found deployment position group according to a position distribution principle preset by the deployment position group for deployment. This way the final deployment location can be determined automatically by incorporating location assignment rules for location attribute identification. The location allocation principle in this embodiment includes, but is not limited to, any one of a random allocation principle, a sequential allocation principle, an average allocation principle, and a priority allocation principle. The following examples are given for the above allocation principles:
random allocation principle:
and randomly selecting one deployment position from the deployment position group, and randomly selecting another deployment position if the capacity of the virtual deployment unit of the deployment position is full until a proper deployment position is selected.
A sequential allocation principle:
in the deployment position group, one deployment position is selected according to the deployment position sequence (the sequence of the deployment positions can be set when the deployment position group is created), and if the capacity of the virtual deployment unit of the deployment position is full, the next deployment position is selected in sequence until a proper deployment position is selected.
Average distribution principle:
and in the deployment position group, selecting the deployment position with the minimum number of the virtual deployment units currently contained, and if the current capacity of each deployment position is consistent, sequentially distributing.
According to the priority distribution principle:
different priorities, such as high priority, normal priority, low priority, are set for each deployment location in the set of deployment locations. When allocating the deployment position for the virtual deployment unit, the deployment position with the highest level is preferentially selected until the capacity of the virtual deployment unit of the deployment position is full, and then the deployment position with the second priority level is selected.
In this embodiment, deploying a virtual deployment unit at a deployment location includes, but is not limited to, invoking a VIM (virtualized Infrastructure Manager) that manages the deployment location, creating network resources, storage resources, and corresponding virtual deployment unit instances, etc. the virtual deployment unit Manager is responsible for controlling and managing functional modules of computing, storage, and network resources, typically within an operator's Infrastructure domain.
In summary, referring to fig. 2, the deployment of the virtualized network function in this embodiment includes the following processes:
s201: setting an automatic allocation strategy of a deployment position; the deployment positions are grouped according to types (such as the types including but not limited to the examples) and the position distribution principle of each deployment position group in each type deployment position group is set, wherein the position distribution principle includes but not limited to any one of a random distribution principle, a sequential distribution principle, an average distribution principle and a priority distribution principle.
S202, arranging network resources of each deployment position, and specifying the number of networks, the types of the networks, the parameters of the networks and the like; this step may be skipped if the network resources of the deployment location have been previously created.
S203: and arranging the storage resources of each deployment position, specifying the number of the storage resources, the type of the storage resources and the parameters of the storage resources, and skipping the step if the storage resources of a certain deployment position are created in advance.
S204: arranging deployment strategies of the virtual deployment units; for example, when manually allocating in the above manner, a specific deployment location is input; when automatic allocation is carried out, the corresponding position attribute identification is input, and the system automatically allocates a deployment position for the virtual deployment unit according to the position attribute identification and the position allocation principle.
And S205, if the network resource of the deployment position is not created in advance, calling a network resource creation interface of a Virtualization Infrastructure Manager (VIM) to create the network resource of the deployment position.
S206: and if the storage resource of the deployment position is not created in advance, calling a storage resource creation interface of a Virtualization Infrastructure Manager (VIM) to create the storage resource of the deployment position.
S207: calling a virtual deployment unit creation interface of a Virtualization Infrastructure Manager (VIM) to create a virtual deployment unit instance, and deploying the virtual deployment unit instance to the specified deployment position according to the deployment position set in S204.
By adopting the scheme provided by the embodiment, effective basic resources can be utilized nearby to improve user experience and support remote disaster recovery of a single virtualized network function instance to improve the reliability of the virtualized network function instance.
Example two:
the embodiment provides a virtualized network function deployment system, as shown in fig. 3, including:
the deployment location policy management module 31 is configured to set different types of deployment location groups, where a type of deployment location group is set to be composed of at least one deployment location group, and a deployment location group is composed of at least one deployment location, where at least one virtual deployment unit can be deployed at a deployment location; and a corresponding position allocation principle may be set for each deployment position in each deployment position group, where the position allocation principle includes, but is not limited to, any one of a random allocation principle, a sequential allocation principle, an average allocation principle, and a priority allocation principle, and is not described herein again.
For example, the deployment location policy management module 31 divides the plurality of DCs (or vDC) into a center type deployment location group and an edge type deployment location group, wherein the edge type deployment location group comprises an edge DC1 group and an edge DC2 group, wherein each of the edge DC1 group and the edge DC2 group includes at least one DC, and the virtual deployment unit capacity of each DC is greater than or equal to 1. The location attribute identifications for the center type deployment location group may be set to BDC, the location attribute identifications for the edge type deployment location group to FDC, and the location attribute identifications for the edge DC1 group and the edge DC2 group may be specifically set to FDC1 and FDC2, respectively.
For example, the deployment location policy management module 31 may also divide the multiple DCs into an active type deployment location group and a standby type deployment location group, where the location attribute identifiers of the two types of deployment location groups are MDC and SDC, respectively.
The deployment location policy management module 31 may set the capacity of the virtual deployment unit of each deployment location in each deployment location group after dividing the deployment location group
The orchestration module 32 is configured to formulate a deployment policy for each virtual deployment unit under the virtualized network function instance according to the type, where the deployment policy includes deploying different types of virtual deployment units to different types of deployment location groups.
The orchestration module 32 in this embodiment supports both manual and automatic allocation;
when manual allocation is supported, the orchestration module 32 includes an input sub-module 321 configured to input, in the different types of virtual deployment units, deployment positions of corresponding deployment position groups in respective corresponding types of deployment position groups; the method can directly input the specific deployment position of the corresponding deployment position group in the corresponding type deployment position group in the virtual deployment unit, and supports manual input of a user. And when the subsequent deployment is carried out, the deployment is directly carried out at the specific deployment position.
When automatic allocation is supported, the orchestration module 32 includes a setting sub-module 322, configured to set, in different types of virtual deployment units, the location attribute identifier of a corresponding deployment location group in each corresponding type of deployment location group. And in this embodiment, the location attribute identifiers of each deployment location group in the different types of deployment location groups are different. The method can set the position attribute identification of the corresponding deployment position group in the deployment position groups of the corresponding types in the virtual deployment units of different types. The location attribute identifications of the virtual deployment unit can be used to match the location attribute identifications of the deployment location group to select an appropriate location group, and further select a specific deployment location according to an automatic deployment location allocation policy of the deployment location group.
In this embodiment, the virtual deployment unit under the virtualized network function instance may include a primary virtual deployment unit, and the different types of deployment location groups partitioned by the deployment location policy management module 31 include an edge type deployment location group and a center type deployment location group;
the orchestration module 32 comprises a first orchestration submodule 323 for setting the user plane type virtual deployment units to be deployed in the edge type deployment location group and the control plane type virtual deployment units to be deployed in the center type deployment location group.
In this embodiment, the virtual deployment unit under the virtualized network function instance may further include a primary virtual deployment unit and a standby virtual deployment unit corresponding to each primary virtual deployment unit; the different types of deployment location groups divided by the deployment location policy management module 31 include a primary type deployment location group and a standby type deployment location group;
the arranging module 32 includes a second arranging submodule 324, configured to set the active virtual deployment unit to be deployed in the active deployment location group, and set the standby virtual deployment unit to be deployed in the standby deployment location group.
The first arranging submodule 323 and the first arranging submodule 324 may specifically set, through the input submodule 321 or the setting submodule 322, the corresponding deployment position or the corresponding position attribute identifier to set each virtual deployment unit in the corresponding deployment position group, which is not described herein again.
The arranging module 32 is also used for realizing network resource arrangement, storage resource arrangement, virtual deployment unit computing resource arrangement and the like.
The deployment module 33 is configured to deploy each virtual deployment unit under the virtualized network function instance to a corresponding deployment location group according to the deployment policy.
Correspondingly, the deployment module 33 in this embodiment includes a first deployment sub-module 331, configured to, when the to-be-deployed virtual deployment unit includes a deployment position, find a corresponding deployment position group in the corresponding type deployment position group according to the deployment position, and deploy the to-be-deployed virtual deployment unit at the deployment position in the deployment position group; this approach may be used to directly specify the deployment location manually.
The deployment module 33 in this embodiment further includes a second deployment submodule 332, configured to, when the to-be-deployed virtual deployment unit includes the location attribute identifier, find a corresponding deployment location group in the corresponding type deployment location group according to the location attribute identifier, and select one deployment location for the to-be-deployed virtual deployment unit from the deployment locations provided by the found deployment location group according to a location allocation principle preset in the deployment location group for deployment. This way the final deployment location can be automatically determined by incorporating location assignment rules for location attribute identification. The location allocation principle in this embodiment includes, but is not limited to, any one of a random allocation principle, a sequential allocation principle, an average allocation principle, and a priority allocation principle.
When the deployment module 33 deploys the virtual deployment unit at a deployment location, the deployment module includes, but is not limited to, invoking a VIM that manages the deployment location to create network resources, storage resources, and a corresponding virtual deployment unit instance, which is described in the following exemplary description.
The deployment module 33 first calls a Network resource creation interface of a Virtualization Infrastructure Manager (VIM) to create Network resources of the deployment location, and if necessary calls an SDN (Software Defined Network) to create Network resources across or within the deployment location. This step may be skipped if the network resources have been previously created.
Deployment module 33 then calls a storage resource creation interface of a Virtualization Infrastructure Manager (VIM) to create a storage resource for the deployment location, which may be skipped if the storage resource has been previously created.
Finally, deployment module 33 invokes a virtual deployment unit creation interface of a Virtualization Infrastructure Manager (VIM) to deploy each virtual deployment unit instance into a corresponding deployment location.
The functions of the deployment location policy management module 31, the orchestration module 32, and the deployment module 33 in this embodiment may be implemented by a corresponding server, a PC, or other type of terminal. Or may be implemented by a processor or controller of a server, PC or other type of terminal class.
For better understanding of the present invention, the following describes an example of a virtual deployment unit in a virtualized network function instance according to two angles, i.e., a control plane, a user plane, and an active angle and a standby angle.
Example one:
the virtual deployment unit under the virtualized network function instance VNF in this example is exemplarily illustrated to include 6 user plane virtual deployment units (user plane virtual deployment unit 1 to user plane virtual deployment unit 6) and 3 control plane virtual deployment units (control plane virtual deployment unit 1 to control plane virtual deployment unit 3) from two angles of a control plane, a user plane, and an active and a standby. In this embodiment, the final deployment form of each Virtual Deployment Unit (VDU) is a virtual machine.
The control plane VDU reliability is highly required and needs centralized control, so the planning deployment is performed in a central type deployment location group (e.g. located in a central city), which is composed of a central deployment location 1(DC1) and a central deployment location 2(DC2) and is managed by a virtualization infrastructure manager 3(VIM3), as shown in fig. 4.
The user plane VDU is related to user experience, and thus is planned to be deployed in an edge type deployment location group consisting of three edge deployment locations (e.g., located in a peripheral town), so as to shorten a network path between the user plane VDU and the user equipment, reduce network delay, and improve user experience. Edge deployment location 1 (edge DC1) and edge deployment location 2 (edge DC2) form a group that is managed by virtualization infrastructure manager 1(VIM1), and edge deployment location 3 (edge DC3) is managed by virtualization infrastructure manager 2(VIM 2).
The treatment process is as follows:
1. and setting an automatic allocation strategy of the deployment position.
Creating a first deployment location group of the edge-type deployment location groups, including edge DC1, edge DC 2; setting the automatic allocation strategy of the system as random allocation; setting the VDU capacity of each DC to be 2; and sets the location attribute identification of the group to FDC 1.
Creating a second deployment location group of the edge type deployment location group, comprising an edge DC 3; the automatic allocation strategy is juxtaposed to be sequential allocation; setting the VDU capacity of each DC to be 2; and sets the location attribute identification of the group to FDC 2.
Creating a hub-type deployment location group containing hub DC1 and hub DC 2; setting an automatic allocation strategy of the system as allocation according to priority; setting the VDU capacity of each DC to be 2; setting the priority of the center DC1 to high priority; setting the priority of the center DC2 to low priority; the location attribute flag of the location group is set to BDC.
2. Network resources of each DC and network resources between the DCs are set.
Each DC includes a management plane Network, a control plane Network, and a user plane Network, and sets Network resource parameters of each Network in each DC, such as an IP address range of the Network, a VLAN (Virtual Local Area Network) ID of the Network, and the like.
3. The storage resources of each DC are set.
In this embodiment, all VDUs use local storage of the host, so there is no need to set storage resources, and this step is omitted.
4. And setting a deployment position distribution strategy of each VDU.
Setting the deployment position allocation strategies of the user plane VDU1, the user plane VDU2, the user plane VDU3 and the user plane VDU4 as automatic allocation, selecting the position attribute to be identified as FDC1, matching the system to a first deployment position group of which the position attribute is also FDC1, and randomly allocating the deployment positions of the user plane VDU1, the user plane VDU2, the user plane VDU3 and the user plane VDU4 because the deployment position automatic allocation strategy of the deployment position group is random allocation.
Setting the deployment position allocation strategies of the user plane VDU5 and the user plane VDU6 as automatic allocation, selecting the position attribute as FDC2, matching the system to a second deployment position group according to the position attribute, and selecting the deployment positions for the user plane VDU5 and the user plane VDU6 according to the deployment position automatic allocation strategies (sequential allocation) of the group; the edge DC group 2 in this embodiment has only one DC and is therefore directly assigned to the user plane VDU5, user plane VDU 6.
Setting a deployment position distribution strategy of a control surface VDU1, a control surface VDU2 and a control surface VDU3 as automatic distribution, selecting a position attribute as BDC, matching the system to a central type deployment position group according to the position attribute, and automatically distributing the deployment position distribution strategy of the group according to priority; in this embodiment, the level of the central DC1 is higher than that of the central DC2, so the central DC1 is first distributed to the control surface VDU1 and the control surface VDU 2; in allocating the deployment location of the control plane VDU3, the central DC2 with the lower priority is allocated to the control plane VDU3 because the VDU capacity of the central DC1 is full.
5. Calling the interface of the VIM to create network resources of each DC; and calling the SDN interface to create network resources between the DCs.
6. Invoking the interface of the VIM creates the storage resources of the respective DC.
This example omits
7. The interface that invokes the VIM creates a VDU instance at the specified deployment location.
Calling the interface of the VIM1 to create the virtual machine instance to create an instance of the user plane VDU1 and an instance of the user plane VDU2 at the edge DC 1; calling the interface of the VIM1 to create the virtual machine instance to create an instance of the user plane VDU3 and an instance of the user plane VDU4 at the edge DC 2; calling the interface of the VIM2 to create the virtual machine instance to create an instance of the user plane VDU5 and an instance of the user plane VDU6 at the edge DC 3; calling the interface of the VIM3 to create the virtual machine instance to create an instance of a control plane VDU1 and an instance of a control plane VDU2 at the central DC 1; invoking the interface that VIM3 created the virtual machine instance creates an instance of the control plane VDU3 at the central DC 2.
Example two:
referring to fig. 5, a virtualized network function instance VNF in this example includes a virtual deployment unit 1(VDU1) and a virtual deployment unit 2(VDU2), and each VDU is divided into two instances, i.e., a master instance and a slave instance, for master and slave disaster recovery. In order to improve the reliability of the VNF and avoid the complete VNF from being out of service due to resource paralysis in one location, it is planned to deploy the active and standby instances to the deployment location 1(DC1, i.e. the active type deployment location group in this example) and the deployment location 2(DC2, i.e. the standby type deployment location group in this example) which are geographically different, respectively. DC1 is managed by VIM1, and DC2 is managed by VIM 2. The user decides to use a policy that manually specifies the deployment location when deploying the VDU, so there is no need to create a deployment location auto-assignment policy in advance.
The treatment process is as follows:
1. setting network resources of an active type deployment location group (active DC) and a standby type deployment location group (standby DC).
The main DC and the standby DC respectively comprise a management plane network, a control plane network and a user plane network, and network parameters such as the IP address range of the network, the VLAN ID of the network and the like are respectively set for the 3 networks of the main DC and the standby DC.
2. And setting storage resources of the main DC and the standby DC.
In this embodiment, all VDUs use external shared storage, so that storage resources of the active DC and the standby DC, such as IP addresses of the storage resources and sizes of the storage resources, are set respectively.
3. The deployment location of each VDU is set.
Setting the deployment position distribution strategies of the main VDU1 and the main VDU2 to be manual, and designating the deployment positions as main DCs;
setting the deployment position allocation strategies of the standby VDU1 and the standby VDU2 to be manual, and designating the deployment positions of the standby VDU1 and the standby VDU2 as standby DCs;
4. and calling the interface of the VIM to create network resources of each DC, and calling the SDN interface to create network resources among the DCs.
5. Invoking the interface of the VIM creates storage resources under each DC.
6. The interface that invokes the VIM creates a VDU instance at the specified deployment location.
Calling the interface of the VIM1 to create the virtual machine instance creates the instances of the active VDU1 and the active VDU2 at the active DC, and calling the interface of the VIM2 to create the virtual machine instance creates the instances of the standby VDU1 and the VDU2 at the standby DC.
By adopting the scheme provided by the embodiment, effective basic resources can be utilized nearby to improve user experience and support remote disaster recovery of a single virtualized network function instance to improve the reliability of the virtualized network function instance.
It will be apparent to those skilled in the art that the modules or steps of the embodiments of the invention described above may be implemented in a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented in program code executable by a computing device, such that they may be stored on a computer storage medium (ROM/RAM, magnetic disk, optical disk) and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The foregoing is a more detailed description of embodiments of the present invention, and the present invention is not to be considered limited to such descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (7)
1. A virtualized network function deployment method comprising:
the method comprises the steps that deployment strategies are formulated for each virtual deployment unit under a virtualized network function instance according to types, wherein the deployment strategies comprise the step that the virtual deployment units of different types are deployed into deployment position groups of different types, one type of deployment position group comprises at least one deployment position group, one deployment position group comprises at least one deployment position, and one deployment position can at least deploy one virtual deployment unit;
deploying each virtual deployment unit under the virtualized network function instance to a corresponding deployment position group according to the deployment strategy;
wherein the deploying the different types of virtual deployment units to the different types of deployment location groups comprises:
setting deployment positions of corresponding deployment position groups in the deployment position groups of the respective corresponding types in the virtual deployment units of different types;
or the like, or, alternatively,
each deployment position group in each type of deployment position group has a respective position attribute identifier, and the position attribute identifiers of the corresponding deployment position groups in the respective corresponding type of deployment position groups are set in the different types of virtual deployment units;
wherein the deploying, according to the deployment policy, each virtual deployment unit under the virtualized network function instance to a corresponding deployment location group comprises:
when the virtual deployment unit to be deployed comprises deployment positions, finding a corresponding deployment position group in the deployment position group of the corresponding type according to the deployment positions, and deploying the virtual deployment unit to be deployed at the deployment positions of the deployment position group;
and when the virtual deployment unit to be deployed contains the position attribute identification, finding a corresponding deployment position group in the deployment position group of the corresponding type according to the position attribute identification, and selecting one deployment position for the virtual deployment unit to be deployed from the deployment positions provided by the found deployment position group according to a position distribution principle preset by the deployment position group for deployment.
2. The method for deploying virtual network functions of claim 1, wherein the virtual deployment units in the virtual network function instance comprise a user plane type virtual deployment unit and a control plane type virtual deployment unit; the different types of deployment location groups include an edge type deployment location group and a center type deployment location group;
the step of formulating a deployment strategy for each virtual deployment unit under the virtualized network function instance according to the type comprises:
and setting the virtual deployment unit of the user plane type to be deployed in the edge type deployment position group, and setting the virtual deployment unit of the control plane type to be deployed in the center type deployment position group.
3. The method for deploying virtual network functions of claim 1, wherein the virtual deployment units in the virtual network function instance comprise active virtual deployment units and standby virtual deployment units corresponding to the active virtual deployment units; the different types of deployment position groups comprise an active type deployment position group and a standby type deployment position group;
the step of formulating a deployment strategy for each virtual deployment unit under the virtualized network function instance according to the type comprises:
and setting an active virtual deployment unit to be deployed in the active type deployment position group, and a standby virtual deployment unit to be deployed in the standby type deployment position group.
4. The method for deploying a virtualized network function according to claim 1, wherein the location allocation principle includes any one of a random allocation principle, a sequential allocation principle, an average allocation principle, and a priority allocation principle.
5. A virtualized network function deployment system, comprising:
the deployment position strategy management module is used for setting different types of deployment position groups, wherein one type of deployment position group consists of at least one deployment position group, one deployment position group consists of at least one deployment position, and one deployment position can deploy at least one virtual deployment unit;
the deployment strategy comprises that the virtual deployment units of different types are deployed to deployment position groups of different types;
the deployment module is used for deploying each virtual deployment unit under the virtualized network function instance to a corresponding deployment position group according to the deployment strategy;
wherein the arrangement module comprises;
the input submodule is used for inputting the deployment positions of the corresponding deployment position groups in the deployment position groups of the corresponding types in the virtual deployment units of different types;
or the like, or, alternatively,
the setting submodule is used for setting the position attribute identification of the corresponding deployment position group in the deployment position groups of the respective corresponding types in the virtual deployment units of different types;
wherein the deployment module comprises:
the first deployment submodule is used for finding out a corresponding deployment position group in the corresponding type deployment position group according to the deployment position when the virtual deployment unit to be deployed contains the deployment position, and deploying the virtual deployment unit to be deployed at the deployment position of the deployment position group;
and the second deployment submodule is used for finding a corresponding deployment position group in the deployment position group of the corresponding type according to the position attribute identification when the virtual deployment unit to be deployed contains the position attribute identification, and selecting one deployment position for the virtual deployment unit to be deployed from the deployment positions provided by the found deployment position group according to a preset position distribution principle.
6. The virtualized network function deployment system of claim 5 wherein the virtual deployment units under the virtualized network function instance comprise active virtual deployment units, and the different types of deployment location groups comprise an edge type deployment location group and a center type deployment location group;
the arrangement module comprises:
and the first arranging submodule is used for setting the virtual deployment unit of the user surface type to be deployed in the edge type deployment position group, and setting the virtual deployment unit of the control surface type to be deployed in the center type deployment position group.
7. The virtualized network function deployment system of claim 5 wherein the virtual deployment units under the virtualized network function instance comprise active virtual deployment units and standby virtual deployment units corresponding to each active virtual deployment unit; the different types of deployment position groups comprise an active type deployment position group and a standby type deployment position group;
the arrangement module comprises:
and the second arranging submodule is used for setting the active virtual deployment unit to be deployed in the active type deployment position group, and the standby virtual deployment unit to be deployed in the standby type deployment position group.
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