CN109547252A - The method, apparatus and server of instantiated nodes - Google Patents
The method, apparatus and server of instantiated nodes Download PDFInfo
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- CN109547252A CN109547252A CN201811432279.5A CN201811432279A CN109547252A CN 109547252 A CN109547252 A CN 109547252A CN 201811432279 A CN201811432279 A CN 201811432279A CN 109547252 A CN109547252 A CN 109547252A
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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
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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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
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/084—Configuration by using pre-existing information, e.g. using templates or copying from other elements
- H04L41/0846—Configuration by using pre-existing information, e.g. using templates or copying from other elements based on copy from other elements
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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
- H04L41/08—Configuration management of networks or network elements
- H04L41/0876—Aspects of the degree of configuration automation
- H04L41/0886—Fully automatic configuration
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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
- H04L41/12—Discovery or management of network topologies
Abstract
Present disclose provides a kind of method, apparatus of instantiated nodes and equipment；Wherein, this method comprises: according to each node elements in the network topology template being pre-designed dependence, determine current node elements to be instantiated；If current node elements to be instantiated include that node attribute values obtain order, the node elements instantiated that the determining current node elements to be instantiated of order are relied on, the configuration information needed for searching current node elements to be instantiated in the configuration information of the node elements instantiated relied on are obtained according to node attribute values；Current node elements to be instantiated are instantiated according to the configuration information found.Configuration information needed for the disclosure can obtain the node elements in the node elements instantiation process of network topology template automatically, it no longer needs to by staff's manual queries, enable instantiation process to automate progress, and then is advantageously implemented and network topology is freely defined according to business scenario.
Description
Technical field
This disclosure relates to cloud application topology orchestration technology field, more particularly, to a kind of method, apparatus of instantiated nodes
And server.
Background technique
Under cloud computing environment, the number of services and type that cloud resource is undertaken are increasing, and business processing also becomes
It becomes increasingly complex.The operation of one business may need the mutually coordinated cooperation of multiple hardwares resource and software resource.For each
The corresponding operation resource of business arrangement and the process that resource coordination is carried out between multinomial business, are properly termed as cloud layout.
The process of above-mentioned cloud layout can pass through NFV (Network Function Virtualization, network function
Virtualization) composer realization；The NFV composer is based on TOSCA (Topology and Orchestration
Specification for Cloud Applications, the topology and Layout Standard of cloud application) specification realization choreography definitions
Network topology template.The network topology template can be obtained by user using above-mentioned NFV composer layout, be needed in layout process
Follow the relevant regulations in above-mentioned TOSCA specification.It is generally comprised required for business in the programmed network topology template of user
Hardware resource and software resource；In network topology template, these resources are embodied with different nodes, the operation between each resource
Relationship, correspondence etc., which pass through the connection between node, to be indicated.
After above-mentioned network topology template layout is good, needs to instantiate the template, can just obtain needed for operation business
All kinds of resources；For example, instantiation template in calculate node be exactly be one calculate node of the traffic assignments, as virtual machine,
Physical host, container etc..Due to often having certain operation relationship or correspondence between each node in template, in example
When changing present node, often need to obtain the configuration information of the node after the completion of having instantiated in template；In existing mode, obtain
These configuration informations need manual queries, so that the process of instantiation network topology template is cumbersome, it is difficult to which automation is realized.
Summary of the invention
In view of this, the method, apparatus and equipment for being designed to provide a kind of instantiated nodes of the disclosure, in network
Automatically relevant configuration information is obtained in the instantiation process of topological template, and instantiation process is enabled to automate progress.
To achieve the goals above, the disclosure the technical solution adopted is as follows:
In a first aspect, this method is applied to operation NFV composer present disclose provides a kind of method of instantiated nodes
Equipment；The network topology template of NFV composer layout includes node elements, this method comprises: according to the network being pre-designed
The dependence of each node elements in topological template determines current node elements to be instantiated；If current to be instantiated
Node elements include that node attribute values obtain order, obtain order according to node attribute values and determine current node to be instantiated
The node elements instantiated that element is relied on, search from the configuration information of the node elements instantiated relied on and work as
Configuration information needed for preceding node elements to be instantiated；According to the configuration information found to current node member to be instantiated
Element is instantiated.
Second aspect, present disclose provides a kind of device of instantiated nodes, which is set to operation NFV composer
Equipment；The network topology template of NFV composer layout includes node elements, which includes: node elements determining module, is used
The dependence of each node elements according to the network topology template being pre-designed determines current node member to be instantiated
Element；Configuration information searching module, if including that node attribute values obtain order for current node elements to be instantiated, according to
Node attribute values obtain order and determine the node elements instantiated that current node elements to be instantiated are relied on, Cong Suoyi
Configuration information needed for searching current node elements to be instantiated in the configuration information of the bad node elements instantiated；It is real
Exampleization module, for being instantiated according to the configuration information found to current node elements to be instantiated.
The third aspect, it is machine readable present disclose provides a kind of server, including processor and machine readable storage medium
Storage medium is stored with the machine-executable instruction that can be executed by processor, and processor executes machine-executable instruction to realize
The method of examples detailed above node.
Fourth aspect, present disclose provides a kind of machine readable storage medium, machine readable storage medium is stored with machine
Executable instruction, for machine-executable instruction when being called and being executed by processor, machine-executable instruction promotes processor to realize
The method of examples detailed above node.
Method, apparatus, server and the machine readable storage for the examples detailed above node that disclosure embodiment provides are situated between
Matter determines current node elements to be instantiated first, in accordance with the dependence of each node elements in network topology template；Such as
The current node elements to be instantiated of fruit include that node attribute values obtain order, then obtain order according to the node attribute values and determine
The node elements instantiated that current node elements to be instantiated are relied on, the node member instantiated relied on from this
Configuration information needed for searching current node elements to be instantiated in the configuration information of element；It is last to match confidence according to what is found
It ceases and current node elements to be instantiated is instantiated.Which can be instantiated in the node elements of network topology template
Configuration information needed for obtaining the node elements automatically in the process is no longer needed to by staff's manual queries, so that instantiating
Journey can automate progress, and then be advantageously implemented and freely define network topology according to business scenario.
Other feature and advantage of the disclosure will illustrate in the following description, alternatively, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or by implement the disclosure above-mentioned technology it can be learnt that.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, better embodiment is cited below particularly, and match
Appended attached drawing is closed, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of disclosure specific embodiment or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the disclosure, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is that a kind of physics for network topology template that disclosure embodiment provides disposes network environment schematic diagram；
Fig. 2 is a kind of flow chart of the method for instantiated nodes that disclosure embodiment provides；
Fig. 3 is the flow chart of the method for another instantiated nodes that disclosure embodiment provides；
Fig. 4 is a kind of flow chart of the method for instantiation network topology template that disclosure embodiment provides；
Fig. 5 is a kind of structural schematic diagram of the device for instantiated nodes that disclosure embodiment provides；
Fig. 6 is a kind of structural schematic diagram for server that disclosure embodiment provides.
Specific embodiment
To keep the purposes, technical schemes and advantages of disclosure embodiment clearer, below in conjunction with attached drawing to this public affairs
The technical solution opened is clearly and completely described, it is clear that and described embodiment is a part of embodiment of the disclosure,
Rather than whole embodiment.Based on the embodiment in the disclosure, those of ordinary skill in the art are not making creation
Property labour under the premise of every other embodiment obtained, belong to the disclosure protection range.
In order to make it easy to understand, present embodiment describes a kind of layout scene of network topology template first and a kind of network is opened up
Flutter the example of template.Network topology template usually uses the layout of NFV composer by user, needs to follow in layout process
Relevant regulations in TOSCA specification.
Wherein, two basic conceptions are provided in TOSCA specification, respectively node elements and relationship elements can also be with
Referred to as node and relationship.Node elements can be a VNF (Virtual Network Feature, virtual network function
Can) node, network node, calculate node etc.；Wherein, VNF node specifically can be the router, interchanger, gateway of virtualization
The network equipments such as equipment, or the network being made of the network equipment of various virtualizations；Above-mentioned calculate node is usually cloud computing
In system, for providing virtual machine, host, the server etc. of the service of calculating.VNF can be deployed in calculate node, be virtual
One kind of machine, specifically, the virtual machine for having network function is properly termed as VNF.In NFV composer, node elements
It is extended, can be IP resource tank node, VXLAN (Virtual Extensible LAN, virtual extended local area network) special line
Node, private network node, data center's tenant's resource node, network configuration node etc..Above-mentioned relation element is for describing net
How each node connects in network topology template, i.e., the connection relationship between each node；The relationship elements are specifically as follows " operation
In ", " depending on ", " being in communication in ", the types such as " being deployed in ".
Network topology template is a kind of visual file；It include the configuration ginseng of each node in template in this document
Number.The dependence between type, attribute and the node of each node can be characterized by these configuration parameters.Fig. 1 is shown
A kind of physics deployment network environment example of network topology template；In network environment shown in Fig. 1, correspondingly, network topology
Template may include four node elements, arrange from the bottom to top according to dependence to each other, respectively host node, operation
System node, Web server node and application website node；Relationship elements between adjacent node element show two nodes
Dependence between element, for example, the relationship elements between host node and operating system node represent operating system node
Corresponding operating system is on the corresponding host of host node；Pass between operating system node and Web server node
Series elements represent the corresponding Web server of Web server node and run in the corresponding operating system of operating system node；Web
Relationship elements between server node and application website node, which are represented, is deployed in Web using the corresponding application website of website node
On the corresponding Web server of server node.
Above-mentioned NFV composer is referred to as NFVO (Network Function Virtualization
Orchestrator, network function virtualize composer)；NFV composer is not only that the layout of network topology template provides operation
Interface, also offer northbound interface and southbound interface；Wherein, northbound interface specifically can be as OSS (Operation support
System, Operation Support System) or BSS (Business support system, business support system) system offer resource pipe
Reason and the interface of scheduling, business quickly arranging issue and the functional interface monitored etc.；Southbound interface can connect third party VIM
A kind of (text editor) system, SDN (Software Defined Network, software defined network) controller and VNFM
(Network Function Virtualization Manager, network function virtualization manager) platform etc..
After the completion of network topology template layout, need to instantiate by above-mentioned NFV composer.Description the present embodiment it
Before, introduction is made to following related definition:
IP resource pool: can be understood as a kind of configuration mechanism of IP address resource, which can be by current network
Management server execute；Specifically, which has available IP address section in current network, works as current network
In network equipment when needing to surf the Internet, can be that the network equipment distributes IP address by the management server.
Vxlan special line: being the independent virtual designated lane for particular organization (such as military establishment, banking institution) setting,
Form an independent local area network；Specifically, virtual private channel is it is also understood that be that particular organization is on general channel
The mechanism or user relevant to the mechanism retain certain bandwidth, and the mechanism or user relevant to the mechanism can exclusively enjoy this
Fractional bandwidth；Under particular demands, transmitting the data in above-mentioned bandwidth is encryption, to guarantee the reliability and safety of data
Property.
Specifically, in instantiation process, if current node elements are node elements (the abbreviation IP money of IP resource pool
Source tank node), then the process for instantiating the IP resource tank node is exactly to trigger the configuration mechanism of IP address resource, is taken by management
Device be engaged in from the available IP address section of current network, the process of IP address is distributed for the network equipment；The IP resource tank node is matched
It can wrap the type (such as user terminal, service server, the network switching equipment) containing the above-mentioned network equipment, mark in confidence breath
The information such as the mark of knowledge etc. and management server, for Whom distribute IP address with clearly above-mentioned IP resource tank node, which pass through
Management server distributes IP address.
If current node elements are VXLAN special line node, the process for instantiating the VXLAN special line node is exactly to create
Build a network special line；If current node elements are network configuration node, the process of the network configuration node is instantiated
It is exactly that configuration information is set for a certain network equipment.In instantiation process, pass through all kinds of northbound interfaces mentioned above and south
It is the specific resource of traffic assignments to interface, and corresponding configuration information is set, to is embodied as the corresponding physics of traffic assignments
Or virtual resource.
During being instantiated for each node elements, generally require to obtain other nodes in network topology template
The relevant information of element.In above-mentioned TOSCA specification, several information acquiring patterns are provided, including get-input order,
Get-properties order, get-attribute order etc.；Wherein, get-input order can be used for obtaining network topology
Original input data when template instances, i.e., the parameter value stated in the importation of network topology template；get-
Properties order can be used for obtaining the parameter value of the default of each node elements in the same network topology template, but one
As cannot obtain the parameter values of node elements just in instantiation process.Get-attribute order can be used for obtaining just
The parameter value of the default of node elements in instantiation operational process；If after the node elements instantiate, default
Parameter value is changed, and is still before the parameter value variation of default by what the get-attribute order was got
Parameter value.
However, in the instantiation process of certain node elements, it is also necessary to use other node members after instantiated
The configuration information of element.Since above-mentioned TOSCA specification is a kind of description language, the language that description language and machine can be run has
Biggish gap；TOSCA specification is corresponding with the resolver for parsing description language, defines above-mentioned get_ in the resolver
The order such as input, get_properties, get_attribute；The resolver can be corresponding by a certain network topology template
Description language is parsed into the language that machine can be run, but there is no resolved devices to execute for the movement of these language definitions, thus
Resolver also can not just perceive the variation of certain data in the template.Therefore, instantiated without obtaining in TOSCA specification
The order of the configuration information of node elements afterwards, in known manner in obtain instantiated section by manual queries mostly
The configuration information of point element, this process for allowing for network topology template instances is difficult to automate realization, and then leads to basis
There are certain barriers for the free layout network topology of business scenario.
Based on this, disclosure embodiment provides the method, apparatus and equipment of a kind of instantiated nodes；The technology can be with
During carrying out resource layout and management to various businesses under cloud computing scene, it is specifically described below.
Firstly, a kind of flow chart of the method for instantiated nodes shown in Figure 2；This method is applied to operation NFV and compiles
The equipment for arranging device；The network topology template of the NFV composer layout includes node elements；This method comprises the following steps:
Step S202 is determined current according to the dependence of each node elements in the network topology template being pre-designed
Node elements to be instantiated.
In general, the node elements of network topology template generally include nodename and configuration information.In each node elements
It include the configuration information for instantiating the node elements, in the configuration information of some node elements, the parameter of configuration parameter
Value needs are obtained from the configuration information in other node elements, at this point, then illustrating that the node elements are deposited with other node elements
In dependence.Such as, the parameter value needs of a certain configuration parameter are obtained from the configuration information in node elements B in node elements A
It takes, illustrates node elements A dependent on node elements B.
During instantiated nodes, usually to each node elements in network topology template according to preset sequence
It is instantiated, it is contemplated that above-mentioned dependence can be instantiated first since the node elements for not depending on other node elements
Process.Specifically, NFV composer can be randomly chosen a node elements in template as benchmark, according to node elements
Between dependence, the node member that at least one does not depend on other node elements can be inquired from the network topology template
Element, the node elements can be used as the node elements of first instantiation.If not depending on the number of the node elements of other nodes
It is multiple for measuring, and can randomly select one of node elements instantiated as first, remaining node elements then can
It instantiates again.
After the completion of current node elements instantiation, inquiry obtains the node for having dependence with current node elements
Element, the node elements can be used as next node elements to be instantiated.
Step S204, if current node elements to be instantiated include that node attribute values obtain order, according to node category
Property value obtain order and determine the node elements instantiated that current node elements to be instantiated are relied on, from being relied on
Configuration information needed for searching current node elements to be instantiated in the configuration information of the node elements of instantiation.
In above-mentioned network topology template, each node elements are typically provided with configuration information.In network topology template
In design process, these configuration informations can be written by user by the corresponding information input interface of node elements.For more
Fixed configuration information or the configuration information unrelated with other node elements, such as the type information of node elements, Ke Yiyou
User writes direct；For need from other node elements obtain, or with other node elements instantiation and change
Above-mentioned node attribute values acquisition can be written in the configuration information of current node elements and order, in the order usually for information
Need to indicate the source of the configuration information, for example, node elements title, obtain from the node elements the specific path of information
Deng.
In general, NFV composer connects disparate networks resource with southbound interface by northbound interface mentioned above；NFV is compiled
It arranges device and passes through these interfaces, after instantiating above-mentioned node elements using the corresponding resource management controlling equipment of disparate networks resource,
The manage and dispatch equipment of Internet resources would generally return to the configuration information of corresponding resource after the instantiations of the node elements；Example
Such as, which is private network node, and during instantiating the node elements, NFV composer can pass through interface
A private network is established, and then can be returned to NFV composer for the manage and dispatch equipment that the private network provides related resource
The configuration information of the private network, such as IP address, the routing policy of private network；Certainly, NFV composer can also actively to
Network side obtains the configuration information of the private network.
In usual manner, after NFV composer gets the configuration information of corresponding resource after the instantiations of node elements,
Usually these configuration informations are saved into network topology template in corresponding node elements；Due in existing TOSCA specification
There is no relevant order that can obtain the configuration information after the instantiation of node elements, this is allowed for can only be by user's manual queries
The configuration information of the node elements can just get the configuration information after these instantiations；In present embodiment, it can set in advance
A memory block, database or mapping table are set, for saving the configuration information after examples detailed above, to pass through above-mentioned node category
Property value obtain the configuration information after the automatic instantiation for obtaining node elements of order, no longer need to the current network topology of manual queries
In template.
Specifically, it includes the example that current node elements to be instantiated are relied on which, which obtains order,
The node identification of the node elements of change can find corresponding node elements and the node elements based on the node identification
Instantiated after configuration information；The routing information etc. for including in order is obtained further according to node attribute values, from node member
Configuration information needed for configuration information after having instantiated of element finds current node elements to be instantiated.
Step S206 instantiates current node elements to be instantiated according to the configuration information found.
For example, including VLAN (Virtual Local Area Network, virtual LAN) in network topology template
Resource tank node, network node, private network node and VNF node, in this four node elements, the reality of the latter node elements
Exampleization process need previous node elements to instantiate after configuration information, according to this dependence, these node elements according to
Secondary instantiation；Wherein, after VLAN resource pool node instance, VLAN ID parameter is obtained, which saves to VLAN
In the configuration information of resource tank node instantiated；In above-mentioned network node instantiation process, pass through above-mentioned node attribute values
It obtains order and obtains above-mentioned VLAN ID parameter from the configuration information of VLAN resource tank node instantiated, network node is real
After exampleization, network address parameter is obtained, which saves into the configuration information of network node instantiated；On
During stating private network node instance, need to obtain the network address from the configuration information of network node instantiated
Parameter after private network node instance, obtains private network binding parameter, and private network binding parameter is saved to privately owned net
In the configuration information of network node instantiated；During above-mentioned VNF node instance, need from the real of private network node
The network bound parameter is obtained in the configuration information of exampleization, and then completes VNF node instance.
The method for the examples detailed above node that disclosure embodiment provides, first, in accordance with each section in network topology template
The dependence of point element determines current node elements to be instantiated；If current node elements to be instantiated include section
Point attribute value obtains order, then obtains order according to the node attribute values and determine what current node elements to be instantiated were relied on
The node elements instantiated are searched current to be instantiated from the configuration information for the node elements instantiated that this is relied on
Node elements needed for configuration information；It is last that current node elements to be instantiated are carried out according to the configuration information found
Instantiation.Which can obtain needed for the node elements automatically in the node elements instantiation process of network topology template
Configuration information no longer needs to enable instantiation process to automate progress, and then be advantageously implemented by staff's manual queries
Network topology is freely defined according to business scenario.
By being outlined above it is found that in the prior art, if after node elements instantiation certain configuration parameters parameter
Value is changed, and the parameter value being still before parameter value variation ordered and got is obtained by node attribute values；Therefore
Existing node attribute values, which obtain order, cannot get the configuration information updated after node elements instantiation.Based on this, this reality
The mode for having converted in mode and having obtained the configuration information updated after node elements instantiation is applied, and is adapted to according to transformed mode
Property have modified above-mentioned node attribute values and obtain order.
It is obtained for order is get_attribute and is illustrated by node attribute values in the present embodiment, by above-mentioned right
The descriptions of various orders in TOSCA specification is it is found that only get_attribute order being capable of section during operational instances
The configuration information of point element, other orders are only capable of obtaining the configuration information of the node elements before instantiation；Therefore, this embodiment party
Formula enhances the function of get_attribute order under TOSCA specification, that is, passes through enhanced get_attribute
Order obtains the configuration information after the instantiation of node elements.
During instantiating current node elements, in order to from above-mentioned pre-set memory block, database or reflect
Firing table inquires the configuration information of instantiated node elements, can be right under the premise of meeting above-mentioned TOSCA specification
The rule of get_attribute order carries out adaptation, to be deposited by modified get_attribute order from above-mentioned
Configuration information is found in storage area, database or mapping table.It should be noted that TOSCA specification is to except get_attribute
The operating specification and scope limitation of order other than order are higher, and such as above-mentioned get-input order, get-properties is ordered
Enable, if modifying these orders, it will modification TOSCA specification official definition, prevent the instantiation of network topology template from
It is normally carried out, therefore is modified in present embodiment using get_attribute order.
Based on the reason, the node attribute values in above-described embodiment obtain order and are specifically as follows modified get_
Attribute order, if including modified get_attribute order, explanation in current node elements to be instantiated
The instantiation process of the node elements needs to go above-mentioned memory block, database or mapping using the get_attribute order
The configuration information of instantiated node elements is searched in the node instance configuration information stored in table.Therefore, above-mentioned section
Point attribute value, which obtains in order, generally comprises keyword: get_attribute and keyword get_attribute are subsequent
Nodename, root node name, information index, the field name etc. that the needs of carrying obtain；It, can be from upper according to these information
It states and finds corresponding configuration information in node instance configuration information.
Based on foregoing description, disclosure embodiment also provides the method for another instantiated nodes；This method is based on upper
State embodiment realization；In the above-described embodiment, instantiated in order to be inquired from memory block, database or mapping table
Node elements configuration information, need to get_attribute order rule carry out adaptation, obtain above-mentioned node
Attribute value obtains order；Present embodiment emphasis describes modified get_attribute order i.e. node attribute values and obtains life
The rule of order, and the mode of the configuration information based on the instantiated node elements of the Rule.
For ease of description, in present embodiment, node instance configuration information is stored in pre-set memory block
In；If completing the instantiation of current node elements to be instantiated, by the configuration information of current node elements to be instantiated
It is stored in above-mentioned memory block.
Specifically, in above-mentioned memory block, it is real above-mentioned node can be stored in the form of mapping table (being referred to as Map)
Exampleization configuration information；It (is referred to as in mapping table comprising keyword fragment (being referred to as key) and numerical part
value)；Wherein, keyword fragment is used to save the nodename of node elements, and numerical part is corresponding for saving nodename
Node instance configuration information (be referred to as return to body information).The mapping tableau format is specifically as follows JSON
(JavaScript Object Notation, JS object numbered musical notation) format；The mapping table can with real-time update, thus can dynamic
Memory node instantiates configuration information.
In order to illustrate the storage organization of node instance configuration information, as an example, following table 1 is VLAN resource pool
Node and corresponding node instance configuration information；Wherein, configuration information includes configuration parameter and parameter value, and configuration parameter is for example
Are as follows: resource pool ID, VLAN ID；Parameter value is then respectively as follows: 123456 and 2.
Table 1
As another example, following table 2 is private network node and corresponding node instance configuration information；Wherein, "
Networks " is the root node of the private network node；It in most instances, include one in the configuration information of a node elements
A root node, but also may include multiple root nodes.It include two parts configuration information under the root node, confidence is matched in every part
Breath is distinguished with bracket " { } ", and according to putting in order for the configuration information of each section, every part configuration information default allocation has one
A index (being referred to as index), in following table 2, the index of first part's configuration information can be " 0 ", second part
The index of configuration information can be " 1 ".It may include one or more configuration parameters and corresponding ginseng in every part configuration information
Numerical value.
Table 2
As described above, the get_attribute order of the prior art, which can be used for obtaining, is instantiating operational process
In node elements default parameter value；The structure of the get_attribute order is usually get_attribute { node
Title, nodal community }, it can be found from network topology template by the nodename in the get_attribute order
Corresponding node elements can find corresponding parameter value by nodal community from the node elements.And this embodiment party
In formula, need to obtain configuration information from the memory block for saving the configuration information after node instance, rather than it is existing
It obtains, therefore, is changed based on acquisition of information position, above-mentioned get_ from the node elements of network topology template
The structure of attribute order has also carried out the modification of adaptability, is specifically described below.
In present embodiment, node attribute values are obtained into order and are expressed as get_attribute: parameter list；For example,
Get_attribute:[{ nodename }, { root node name }, { index }, { configuration parameter } ...]；It can in the parameter list
With comprising nodename, root node name, index, configuration parameter etc., the content in specific list can be according to different nodes members
Configuration information setting after element instantiation.
As an example, example 1: above-mentioned node attribute values, which obtain order, can be expressed as get_attribute:get_
attribute:[vlanPool,vlanId]；Wherein, vlanPool is nodename, represents VLAN resource tank node；vlanId
It is configuration parameter.
As another example, example 2: above-mentioned node attribute values obtain order and can be expressed as example, get_
attribute:[privateNetworks,networks,0,name]；Wherein, privateNetworks is nodename, generation
Table private network node；Networks is root node name, and 0 is index, and name is configuration parameter.
Based on foregoing description, the method for the instantiated nodes of present embodiment specifically comprises the following steps, as shown in Figure 3:
Step S302 is determined current according to the dependence of each node elements in the network topology template being pre-designed
Node elements to be instantiated.
Whether step S304, the current node elements to be instantiated of judgement include that node attribute values obtain order；If so,
Execute step S306；If not, executing step S320；It includes: nodename and path letter that the node attribute values, which obtain order,
Breath, the nodename for the node elements that nodename is relied in instantiation process for current node elements to be instantiated；
Routing information is the path of configuration information to be found in the corresponding configuration information of nodename；
Step S306 obtains the nodename in order according to node attribute values, from the node member of storage instantiated
In the configuration information of element, the node for the node elements that current node elements to be instantiated are relied in instantiation process is searched
Configuration information corresponding to title；
Node attribute values are obtained in the description of order with the node it is found that the nodename can only include node by above-mentioned
Title can also include the nodename and root node name of node simultaneously；It specifically can be according to the nodename corresponding node
Configuration information specific structure setting.
Step S308, according to node attribute values obtain order in routing information from above-mentioned nodename corresponding to configuration
Configuration information needed for obtaining current node elements to be instantiated in information.
Step S310 instantiates current node elements to be instantiated according to the configuration information got.
When only including nodename and configuration parameter in node, the above-mentioned routing information i.e. configuration parameter, configuration ginseng
The corresponding parameter value of number, i.e. configuration information needed for node elements currently to be instantiated.In addition, when including node name in node
When title, root node name, index, configuration parameter, above-mentioned configuration information includes index and configuration parameter, may include a group index
And configuration parameter, it also may include multiple groups index and configuration parameter；It is get_ that i.e. node attribute values, which obtain the form of order,
Attribute:[{ nodename }, { root node name }, { index }, { configuration parameter }, { index }, { configuration parameter }, { rope
Draw, { configuration parameter } ...].At this point, above-mentioned steps S308, can also be accomplished in the following manner:
By in above-mentioned routing information, odd number parameter joins the adjacent even number of odd number parameter as index
Number is used as configuration parameter, searches the corresponding parameter value of configuration parameter from configuration information corresponding to nodename according to index,
Using parameter value as configuration information needed for current node elements to be instantiated；Wherein, index is for identifying configuration parameter pair
The storage location for the parameter value answered.
In most instances, it is limited by configuration information this body structure after node elements instantiation, node instance
Root node name and index in configuration information are existed simultaneously or are not present simultaneously；Therefore get_attribute order
Number of parameters in parameter list is usually even number；Such as two, four, six.Such as above-mentioned example 1, when number of parameters is two
When a, usual first parameter is nodename, and second parameter is configuration parameter.Such as above-mentioned example 2, when number of parameters is greater than
At three, usual first parameter is nodename, and second parameter is root node name, and third parameter is to index, the 4th
A parameter is configuration parameter, and the 5th parameter is index, and the 6th parameter is configuration parameter, and so on；Join from third
Number starts, and odd number parameter is index, and even number parameter is configuration parameter.
In addition, for the node instance configuration information of certain special constructions, root node name and index are also likely to be present
One of them, it can be three that node attribute values, which obtain the number of parameters in the parameter list of order, at this time, or other
Odd number quantity.In short, the parameter list that node attribute values obtain order can be understood as searching the path of configuration information, no matter
Number of parameters is how many, as long as can find corresponding configuration information from node instance configuration information.
Above-mentioned steps in order to facilitate understanding, following Table 3 show matching for part of nodes element in a network topology template
Confidence breath；Two parts, respectively node elements type portions are generally comprised in the configuration information of each node elements (i.e.
) and node elements attribute section (i.e. properties) type；Wherein, node elements type portions are used to identify the tool of the node
Body type, such as IP resource pool, VXLAN special line, private network；Node elements attribute section, which defines, instantiates the node elements
The information needed.
For example, by the configuration information of private network node (i.e. the part privateNetworks in table 3) it is found that this is privately owned
Network node in instantiation process, the parameter value of segmentationId need by get_attribute order from other
Node obtains；Parameter list is [vlanPool, vlanId] in the get_attribute order, that is, is needed from VLAN resource pool
The parameter value of vlanId is searched in the configuration information of node.By the configuration information of VLAN resource tank node in above-mentioned table 1 it is found that
The parameter value of vlanId is 2, at this point, the value that the get_attribute order returns is exactly the parameter of 2, segmentationId
Value is endowed 2.
For another example, by the configuration information of VNF node in table 3 it is found that the VNF node is in instantiation process, networkName
Parameter value need by node attribute values obtain order from other nodes obtain；The node attribute values obtain parameter column in order
Table is [privateNetworks, networks, 0, name], that is, needs to search root from the configuration information of private network node
Node is networks, indexes the parameter value of the name for 0.By the configuration information of private network node in above-mentioned table 2 it is found that root
Under node networks, the parameter value for indexing the name for 0 is SRIOV_external_siteNetwork, at this point, the node
It is exactly SRIOV_external_siteNetwork, parameter value, that is, quilt of networkName that attribute value, which obtains the value that order returns,
Assign SRIOV_external_siteNetwork.During instantiating the VNF node, the master port of the VNF node is (i.e.
MasterPorts network name) may be configured as SRIOV_external_siteNetwork.
Table 3
In above-mentioned table 3, describe in a certain network topology template three nodes configuration information and mutual dependence
Relationship；These three nodes include VLAN resource tank node (the vlanPool node i.e. in table 3), private network node and VNF section
Point.Wherein, the node elements type of VLAN resource tank node is sdno.node.Connection.IpPool, VLAN resource pool
The node elements attribute of node includes poolId；The poolId is by get_input order from the configuration of VLAN resource tank node
The corresponding parameter value of configuration parameter is searched in information, as shown in table 1, which is 123456.
For private network node, node elements type is sdno.node.Connection.Networks, node elements
Attribute includes the segment identification of the network list (networkList i.e. in table 3) of the private network node (i.e. in table 3
segmentationId)；In general, due to safety concerns, internetwork isolation can be carried out by way of network segmentation, thus
To one or more private networks, each private network corresponds to a segment identification, wraps in the network list of each private network
Contain the IP address section (i.e. above-mentioned network list) for belonging to the private network.The segment identification is obtained by node attribute values and is ordered
It enables, is obtained from the configuration information of above-mentioned VLAN resource tank node, i.e. the vlanId of the VLAN resource tank node, that is, above-mentioned segmentation
Mark.
For VNF node, node elements type is sdno.node.Connection.VpcVnf, node elements attribute packet
The network name (networkName i.e. in table 3) of the master port (masterPorts i.e. in table 3) of the VNF node is included, it should
Network name is obtained by node attribute values and is ordered, and is obtained needed for instantiation from the configuration information of above-mentioned private network node
Information, i.e., information needed for obtaining instantiation in the configuration information of the private network node in table 2；Specifically, by the privately owned net
" name " for the position that index is 0 in the configuration information of network node, i.e. SRIOV_external_siteNetwork are saved as VNF
The network name of the master port of point.
The method of examples detailed above node first describes the configuration information and nodal community of the node elements instantiated
Value obtains the specific structure of order, when, there are when dependence, passing through the node instantiated from storage between node elements
The configuration information of element searches node attribute values and obtains the parameter value for ordering corresponding configuration parameter, and then according to the parameter value pair
Current node elements to be instantiated are instantiated.Which can be in the node elements instantiation process of network topology template
In obtain the node elements automatically needed for configuration information, no longer need to by staff's manual queries, enable instantiation process
Enough automations carry out, and then are advantageously implemented and freely define network topology according to business scenario.
Method based on the instantiated nodes that above embodiment provides, present embodiment provide a kind of instantiation network and open up
The method for flutterring template, this method are applied to the template-driven engine in NFV composer；The template-driven engine is according to network topology
The dependence of each node elements in template is instantiated one by one for these node elements in order.The template-driven engine
It can be understood as the dependence in identification network topology template between each node elements and node elements, and execute each node
The program in machine code of element instance process.
As shown in figure 4, this method comprises the following steps:
Step S402, template-driven engine are each according to the dependence of node elements each in network topology template
Node elements sequence；
Step S404 initializes i=1；Wherein, i is the sequence mark of each node elements in network topology template；
Step S406 obtains i-th of node elements from network topology template；
Step S408 judges whether the attribute section of the node elements includes that node attribute values obtain order；If so, holding
Row step S410, if not, executing step S412；
Step S410 is obtained according to the node attribute values and is ordered, looks into from pre-stored node instance configuration information
Look for corresponding configuration information；
Step S412 instantiates the node elements by above-mentioned template-driven engine, by the node elements example
Configuration information after change is saved into memory block；
Step S414, judges whether i is equal to N；Wherein, N is the sum of each node elements in network topology template；If
It is to terminate；If not, step S416；
Step S416, i=i+1；Execute step S406.
The method of examples detailed above network topology template can be realized automatically by template-driven engine, no longer need to by the people that works
Member's manual queries information, instantiation process can automate realization；Thus, user can freely define network according to business scenario
Topology, no matter the network topology of which kind of structure, instantiation process can carry out automatically, be truly realized and freely define network and open up
The function of flutterring.
It should be noted that above-mentioned each method embodiment is described in a progressive manner, each embodiment emphasis
What is illustrated is all the difference with other embodiments, and same and similar part refers to each other i.e. between each embodiment
It can.
Corresponding to above method embodiment, a kind of structural schematic diagram of the device of instantiated nodes shown in Figure 5；
The equipment that the device is set to operation NFV composer；The network topology template of NFV composer layout includes node elements, should
Device includes:
Node elements determining module 50, for the dependence according to each node elements in the network topology template being pre-designed
Relationship determines current node elements to be instantiated；
Configuration information searching module 52, if including that node attribute values obtain life for current node elements to be instantiated
It enables, obtains the node member instantiated that the determining current node elements to be instantiated of order are relied on according to node attribute values
Element is matched needed for current node elements to be instantiated from searching in the configuration information of the node elements instantiated relied on
Confidence breath；
Module 54 is instantiated, for carrying out example to current node elements to be instantiated according to the configuration information found
Change.
The device for the examples detailed above node that disclosure embodiment provides, first, in accordance with each section in network topology template
The dependence of point element determines current node elements to be instantiated；If current node elements to be instantiated include section
Point attribute value obtains order, then obtains order according to the node attribute values and determine what current node elements to be instantiated were relied on
The node elements instantiated are searched current to be instantiated from the configuration information for the node elements instantiated that this is relied on
Node elements needed for configuration information；It is last that current node elements to be instantiated are carried out according to the configuration information found
Instantiation.Which can obtain needed for the node elements automatically in the node elements instantiation process of network topology template
Configuration information no longer needs to enable instantiation process to automate progress, and then be advantageously implemented by staff's manual queries
Network topology is freely defined according to business scenario.
Further, the configuration information of the above-mentioned node elements instantiated is stored in pre-set memory block；On
Stating device further includes memory module, is used for:, will be currently to example if completing the instantiation of current node elements to be instantiated
The configuration information of the node elements of change is stored in memory block.
Further, it includes: nodename and routing information that above-mentioned node attribute values, which obtain order, and nodename is to work as
The nodename for the node elements that preceding node elements to be instantiated are relied in instantiation process；Routing information is node name
Claim the path of configuration information to be found in corresponding configuration information；Above-mentioned configuration information searching module, is used for: according to node name
Claim, from the configuration information for the node elements of storage instantiated, searches current node elements to be instantiated and instantiating
Configuration information corresponding to the nodename of the node elements relied in the process；According to routing information from nodename corresponding to
Configuration information in obtain current node elements to be instantiated needed for configuration information.
Further, it includes index and configuration parameter that above-mentioned node attribute values, which obtain the routing information in order,；It is above-mentioned to match
Confidence ceases searching module, is used for: by routing information, odd number parameter as index, by odd number parameter it is adjacent the
It is corresponding that even number parameter searches configuration parameter as configuration parameter, according to index from configuration information corresponding to nodename
Parameter value, using parameter value as configuration information needed for current node elements to be instantiated；Wherein, index is for identifying configuration
The storage location of the corresponding parameter value of parameter.
Present embodiments provide for a kind of servers corresponding with above method embodiment.Fig. 6 is the server
Structural schematic diagram, as shown in fig. 6, the equipment includes processor 601 and memory 600；Wherein, memory 600 is for storing one
Item or a plurality of computer instruction, one or more computer instruction are executed by processor, to realize the side of examples detailed above node
Method.
Server shown in fig. 6 further includes bus 602 and communication interface 603, processor 601, communication interface 603 and storage
Device 600 is connected by bus 602.The server can be network edge device.
Wherein, memory 600 may include high-speed random access memory (RAM, Random Access Memory),
It may further include non-labile memory (non-volatile memory), for example, at least a magnetic disk storage.Bus
602 can be isa bus, pci bus or eisa bus etc..The bus can be divided into address bus, data/address bus, control always
Line etc..Only to be indicated with a four-headed arrow in Fig. 6, it is not intended that an only bus or a type of convenient for indicating
Bus.
Communication interface 603 is used to connect by network interface at least one user terminal and other network units, will seal
The IPv4 message or IPv6 message installed is sent to the user terminal by network interface.
Processor 601 may be a kind of IC chip, the processing capacity with signal.It is above-mentioned during realization
Each step of method can be completed by the integrated logic circuit of the hardware in processor 601 or the instruction of software form.On
The processor 601 stated can be general processor, including central processing unit (Central Processing Unit, abbreviation
CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be digital signal processor (Digital
Signal Processor, abbreviation DSP), specific integrated circuit (Application Specific Integrated
Circuit, abbreviation ASIC), field programmable gate array (Field-Programmable Gate Array, abbreviation FPGA) or
Person other programmable logic device, discrete gate or transistor logic, discrete hardware components.It may be implemented or execute sheet
Disclosed each method, step and logic diagram in invention embodiment.General processor can be microprocessor or this at
Reason device is also possible to any conventional processor etc..The step of method in conjunction with disclosed in embodiment of the present invention, can direct body
Now executes completion for hardware decoding processor, or in decoding processor hardware and software module combine and execute completion.It is soft
Part module can be located at random access memory, and flash memory, read-only memory, programmable read only memory or electrically erasable programmable are deposited
In the storage medium of this fields such as reservoir, register maturation.The storage medium is located at memory 600, and processor 601 reads storage
Information in device 600, in conjunction with its hardware complete aforementioned embodiments method the step of.
Embodiment of the present invention additionally provides a kind of machine readable storage medium, and machine readable storage medium storage is organic
Device executable instruction, for the machine-executable instruction when being called and being executed by processor, machine-executable instruction promotes processor
The method for realizing examples detailed above node, specific implementation can be found in method implementation, and details are not described herein.
The technical effect and preceding method of server provided by embodiment of the present invention, realization principle and generation are implemented
Mode is identical, and to briefly describe, device embodiments part does not refer to place, can refer in corresponding in preceding method embodiment
Hold.
In several embodiments provided herein, it should be understood that disclosed device and method can also lead to
Other modes are crossed to realize.Device embodiments described above are only schematical, for example, the flow chart in attached drawing and
Block diagram shows the system in the cards of the device of multiple embodiments according to the present invention, method and computer program product
Framework, function and operation.In this regard, each box in flowchart or block diagram can represent a module, program segment or generation
A part of code, a part of the module, section or code include one or more for realizing defined logic function
Executable instruction.It should also be noted that function marked in the box can also be in some implementations as replacement
Occur different from the sequence marked in attached drawing.For example, two continuous boxes can actually be basically executed in parallel, they
Sometimes it can also execute in the opposite order, this depends on the function involved.It is also noted that block diagram and or flow chart
In each box and the box in block diagram and or flow chart combination, can function or movement as defined in executing it is special
Hardware based system is realized, or can be realized using a combination of dedicated hardware and computer instructions.
Finally, it should be noted that embodiment described above, the only specific embodiment of the disclosure, to illustrate this public affairs
The technical solution opened, rather than its limitations, the protection scope of the disclosure are not limited thereto, although referring to aforementioned embodiments pair
The disclosure is described in detail, those skilled in the art should understand that: any technology for being familiar with the art
Personnel can still modify to technical solution documented by aforementioned embodiments in the technical scope that the disclosure discloses
Or variation or equivalent replacement of some of the technical features can be readily occurred in；And these modifications, variation or replacement,
The spirit and scope for disclosure embodiment technical solution that it does not separate the essence of the corresponding technical solution, should all cover in this public affairs
Within the protection scope opened.Therefore, the protection scope of the disclosure shall be subject to the protection scope of the claim.
Claims (10)
1. a kind of method of instantiated nodes, which is characterized in that the equipment that the method is applied to operation NFV composer；It is described
The network topology template of NFV composer layout includes node elements, which comprises
According to the dependence of each node elements in the network topology template being pre-designed, current node to be instantiated is determined
Element；
If the current node elements to be instantiated include that node attribute values obtain order, obtained according to the node attribute values
The node elements instantiated for taking order to determine that the current node elements to be instantiated are relied on, it is real from what is relied on
Configuration information needed for searching the current node elements to be instantiated in the configuration information of the node elements of exampleization；
The current node elements to be instantiated are instantiated according to the configuration information found.
2. the method according to claim 1, wherein the configuration information of the node elements instantiated be stored in it is pre-
In the memory block being first arranged；
The method also includes: if the instantiation of the current node elements to be instantiated is completed, by described currently to reality
The configuration information of the node elements of exampleization is stored in the memory block.
3. the method according to claim 1, wherein it includes: nodename that the node attribute values, which obtain order,
And routing information, the section that the nodename is relied in instantiation process by the current node elements to be instantiated
The nodename of point element；The routing information is configuration information to be found in the corresponding configuration information of the nodename
Path；
It is described that the current node member to be instantiated is searched from the configuration information of the node elements instantiated relied on
The step of element required configuration information, comprising:
According to the nodename, from the configuration information for the node elements of storage instantiated, search described currently to reality
Configuration information corresponding to the nodename for the node elements that the node elements of exampleization are relied in instantiation process；
The current section to be instantiated is obtained from configuration information corresponding to the nodename according to the routing information
Configuration information needed for point element.
4. according to the method described in claim 3, it is characterized in that, the node attribute values obtain the routing information packet in order
Include index and configuration parameter；
It is described obtained from configuration information corresponding to the nodename according to the routing information it is described current to be instantiated
Node elements needed for configuration information the step of, comprising:
By in the routing information, odd number parameter joins the adjacent even number of the odd number parameter as index
Number is used as configuration parameter, and the configuration parameter pair is searched from configuration information corresponding to the nodename according to the index
The parameter value answered, using the parameter value as configuration information needed for the current node elements to be instantiated；Wherein, described
Index the storage location for identifying the corresponding parameter value of the configuration parameter.
5. a kind of device of instantiated nodes, which is characterized in that the equipment that described device is set to operation NFV composer；It is described
The network topology template of NFV composer layout includes node elements, and described device includes:
Node elements determining module, for the dependence according to each node elements in the network topology template being pre-designed,
Determine current node elements to be instantiated；
Configuration information searching module, if including that node attribute values obtain life for the current node elements to be instantiated
It enables, according to the node attribute values having instantiated of obtaining that order determines that the current node elements to be instantiated are relied on
Node elements search the current node member to be instantiated from the configuration information of the node elements instantiated relied on
The required configuration information of element；
Module is instantiated, it is real for being carried out according to the configuration information found to the current node elements to be instantiated
Exampleization.
6. device according to claim 5, which is characterized in that the configuration information of the node elements instantiated is stored in pre-
In the memory block being first arranged；
Described device further includes memory module, is used for:, will if completing the instantiation of the current node elements to be instantiated
The configuration information of the current node elements to be instantiated is stored in the memory block.
7. device according to claim 5, which is characterized in that it includes: nodename that the node attribute values, which obtain order,
And routing information, the section that the nodename is relied in instantiation process by the current node elements to be instantiated
The nodename of point element；The routing information is configuration information to be found in the corresponding configuration information of the nodename
Path；
The configuration information searching module, is used for:
According to the nodename, from the configuration information for the node elements of storage instantiated, search described currently to reality
Configuration information corresponding to the nodename for the node elements that the node elements of exampleization are relied in instantiation process；
The current section to be instantiated is obtained from configuration information corresponding to the nodename according to the routing information
Configuration information needed for point element.
8. device according to claim 7, which is characterized in that the node attribute values obtain the routing information packet in order
Include index and configuration parameter；
The configuration information searching module, is used for:
By in the routing information, odd number parameter joins the adjacent even number of the odd number parameter as index
Number is used as configuration parameter, and the configuration parameter pair is searched from configuration information corresponding to the nodename according to the index
The parameter value answered, using the parameter value as configuration information needed for the current node elements to be instantiated；Wherein, described
Index the storage location for identifying the corresponding parameter value of the configuration parameter.
9. a kind of server, which is characterized in that including processor and machine readable storage medium, the machine readable storage medium
Be stored with the machine-executable instruction that can be executed by the processor, the processor execute the machine-executable instruction with
Realize the described in any item methods of Claims 1-4.
10. a kind of machine readable storage medium, which is characterized in that the machine readable storage medium is stored with the executable finger of machine
It enables, for the machine-executable instruction when being called and being executed by processor, the machine-executable instruction promotes the processor
Realize the described in any item methods of Claims 1-4.
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