CN107689879A - The management method and device of Virtual NE - Google Patents

The management method and device of Virtual NE Download PDF

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Publication number
CN107689879A
CN107689879A CN201610635077.5A CN201610635077A CN107689879A CN 107689879 A CN107689879 A CN 107689879A CN 201610635077 A CN201610635077 A CN 201610635077A CN 107689879 A CN107689879 A CN 107689879A
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Prior art keywords
virtual
network elements
backup
backup network
network
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祝伟宏
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ZTE Corp
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ZTE Corp
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Priority to CN201610635077.5A priority Critical patent/CN107689879A/en
Priority to PCT/CN2017/095517 priority patent/WO2018024204A1/en
Publication of CN107689879A publication Critical patent/CN107689879A/en
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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
    • 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
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
    • H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
    • 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention provides a kind of management method of Virtual NE and device, wherein, this method includes：Determine that Virtual NE breaks down, wherein, the Virtual NE virtualizes NFV technologies by network function and realized；According to preset strategy by the service switching that the Virtual NE undertakes to backup network elements.By the present invention, solve the technical problem that can not be switched in correlation technique to Virtual NE, improve the self-healing ability of Virtual NE.

Description

The management method and device of Virtual NE
Technical field
The present invention relates to the communications field, in particular to the management method and device of a kind of Virtual NE.
Background technology
In the management domain of wireless telecommunication system, NMS (Network Management System-NMS) Interface between Element management system (Element Management System-EMS) is referred to as northbound interface (Itf-N). EMS mainly completes ITU (International Telecommunication Union-International Telecommunication Union) TMN NE management layer (EML) function in (Telecommunications Management Network- telecommunication management networks), The management function of one or more mobile communication equipments is completed, the EMS being typically different between equipment supplier can not be general. NMS mainly completes NML (NML) function in ITU TMN, is responsible for the management of all network elements in a managed network.It is right In multiple equipment supplier being present in managed network (being referred to as subnet), it can be managed by respective EMS and reaching management The purpose of whole subnet.
In correlation technique, in order to improve the flexibility of communication network, management cost is reduced, is initiated to propose net by operator Network virtualization of function (Network Functions Virtualization-NFV) concept, in the case of using NFV technologies, Physical NE equipment originally is replaced by virtualization network function (Virtualized Network Function-VNF) so that Network function decouples with particular hardware, the network function virtualization architecture (Network of such as Fig. 1, VNF and bottom Functions Virtualization Infrastructure-NFVI) isolation.Management for VNF, by EMS to VNF Example carries out traditional maintenance management function, and VNF life cycle management function is then completed by VNF managers VNFM.Bottom The Virtual base framework of layer is managed by Virtual base architecture management device (VIM).And specific Network, then typically pass through One or more VNF examples are completed.Management to Network, then carried out by NFV composers NFVO.Realize network work( After virtualizing, from the point of view of application, it is necessary to what Mr. needed into Network when establishing a Network example VNF example, then a Network example is formed by one or more VNF examples, provide net by Network example Network business.
For the network in correlation technique, self-healing function can by active-standby switch, cell compensate the methods of come reality It is existing.It is to be realized by using dedicated hardware, cost is higher, and active-standby switch can not be commonly used.And for virtualizing network Under environment, due to there is no entity hardware, it is impossible to realized by hardware exchange, the self-healing function of network does not also solve effectively Scheme.
For above mentioned problem present in correlation technique, at present it is not yet found that the solution of effect.
The content of the invention
The embodiments of the invention provide a kind of management method of Virtual NE and device, at least to solve in correlation technique not The technical problem that Virtual NE can be switched over.
According to one embodiment of present invention, there is provided a kind of management method of Virtual NE, including：Determine Virtual NE Break down, wherein, the Virtual NE virtualizes NFV technologies by network function and realized；According to preset strategy by the void Intend the service switching that undertakes of network element to backup network elements.
Alternatively, according to preset strategy by the service switching that the Virtual NE undertakes to backup network elements include it is following it One：It is determined that a backup network elements corresponding with the Virtual NE, and by the service switching that the Virtual NE undertakes described in Backup network elements；A backup network elements are determined from backup network elements group corresponding with the Virtual NE, and by the Virtual NE The service switching undertaken is to the backup network elements；It is determined that multiple backup network elements corresponding with the Virtual NE, will be described virtual The service switching that network element undertakes is to the multiple backup network elements.
Alternatively, it is described after according to preset strategy by the service switching that the Virtual NE undertakes to backup network elements Method also includes one below：Restart the Virtual NE, delete the Virtual NE, rebuild the Virtual NE.
Alternatively, it is described before according to preset strategy by the service switching that the Virtual NE undertakes to backup network elements Method also includes：Added in the virtual network function descriptor VNFD and/or network service descriptor NSD of the Virtual NE For indicating whether the Virtual NE needs the specified strategy backed up；In the instantiation process of the Virtual NE, according to The specified strategy configures the related data of the preset strategy.
Alternatively, determined from backup network elements group corresponding with the Virtual NE backup network elements include it is following it One：The minimum network element of current traffic in all network elements of the backup network elements group is defined as the backup network elements；By described in The nearest network element of Virtual NE described in distance is defined as the backup network elements in all network elements of backup network elements group.
Alternatively, it is described before according to preset strategy by the service switching that the Virtual NE undertakes to backup network elements Method also includes：Establish backup relation table for the Virtual NE, the backup relation table be used to describing the Virtual NE with The corresponding relation of the backup network elements；Or the information of the backup network elements is added in the management object of the Virtual NE.
Alternatively, the backup relation table includes：The identifying of the Virtual NE, the backup network elements identify, are described Virtual NE and the corresponding relation of the backup network elements.
Alternatively, in the corresponding backup network elements of the Virtual NE, the information of the backup network elements includes：The void Intend the identification information of the backup network elements of network element；Or, when the Virtual NE corresponds to backup network elements group, the letter of the backup network elements Breath includes：The identification information of each backup network elements in the backup network elements group of the Virtual NE.
Alternatively, the information of the backup network elements also includes：It whether there is backup network elements for characterizing the Virtual NE Attribute information.
According to another embodiment of the invention, there is provided a kind of managing device of Virtual NE, including：Determining module, For determining that Virtual NE breaks down, wherein, the Virtual NE virtualizes NFV technologies by network function and realized；Switching Module, for according to preset strategy by the service switching that the Virtual NE undertakes to backup network elements.
Alternatively, the handover module includes one below：First switch unit, for determining and the Virtual NE pair The backup network elements answered, and by the service switching that the Virtual NE undertakes to the backup network elements；Second switch unit, use A backup network elements, and the industry that the Virtual NE is undertaken are determined in backup network elements group corresponding to Virtual NE described in Yu Congyu Business is switched to the backup network elements；3rd switch unit, will for determining multiple backup network elements corresponding with the Virtual NE The service switching that the Virtual NE undertakes is to the multiple backup network elements.
Alternatively, described device also includes：Processing module, in the handover module according to preset strategy by the void Intend the service switching that undertakes of network element to after backup network elements, perform one of following operation：Restart the Virtual NE, delete described in Virtual NE, rebuild the Virtual NE.
Alternatively, described device also includes：First add module, in the handover module according to preset strategy by institute Service switching that Virtual NE undertakes is stated to before backup network elements, in the virtual network function descriptor VNFD of the Virtual NE And/or added in network service descriptor NSD for indicating whether the Virtual NE needs the specified strategy backed up；Configure mould Block, in the instantiation process of the Virtual NE, the dependency number of the preset strategy to be configured according to the specified strategy According to.
Alternatively, second switch unit is additionally operable to：By current traffic in all network elements of the backup network elements group Minimum network element is defined as the backup network elements；Or, by Virtual NE described in distance in all network elements of the backup network elements group Nearest network element is defined as the backup network elements.
Alternatively, described device also includes：Module is established, for according to preset strategy undertaking the Virtual NE Service switching establishes backup relation table, the backup relation table is used to describe institute to before backup network elements for the Virtual NE State the corresponding relation of Virtual NE and the backup network elements；Or second add module, for the management in the Virtual NE The information of the backup network elements is added in object.
According to still another embodiment of the invention, a kind of storage medium is additionally provided.The storage medium is arranged to storage and used In the program code for performing following steps：
Determine that Virtual NE breaks down, wherein, the Virtual NE virtualizes NFV technologies by network function and realized；
According to preset strategy by the service switching that the Virtual NE undertakes to backup network elements.
By the present invention, determine that Virtual NE breaks down, wherein, the Virtual NE is virtualized by network function NFV technologies are realized；According to preset strategy by the service switching that the Virtual NE undertakes to backup network elements.By by Virtual NE The business undertaken is transferred to backup network elements, can solve the technical problem that can not be switched in correlation technique to Virtual NE, Improve the self-healing ability of Virtual NE.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is network function virtualization architecture figure according to embodiments of the present invention；
Fig. 2 is the flow chart of the management method of Virtual NE according to embodiments of the present invention；
Fig. 3 is the structured flowchart of the managing device of Virtual NE according to embodiments of the present invention；
Fig. 4 is a kind of flow chart of the self-healing method of Virtual NE according to embodiments of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " Two " etc. be for distinguishing similar object, without for describing specific order or precedence.
Embodiment 1
The embodiment of the present application can be run in the network architecture shown in Fig. 1, and Fig. 1 is network according to embodiments of the present invention Virtualization of function Organization Chart, as shown in figure 1, the network architecture includes：NFVI, VNF, EMS, NMS (including business support system (Business Support System, referred to as BSS), OSS (Operation Support System, letter Referred to as OSS)), NFV composers (NFVO), VNF managers (VNFM), Virtual base architecture management device (VIM), wherein, Ge Gemo It is attached before block by interface, e.g., Os-Ma, Se-Ma etc..
A kind of management method for the Virtual NE for running on the above-mentioned network architecture is provided in the present embodiment, and Fig. 2 is root According to the flow chart of the management method of the Virtual NE of the embodiment of the present invention, as shown in Fig. 2 the flow comprises the following steps：
Step S202, determine that Virtual NE breaks down, wherein, Virtual NE virtualizes NFV technologies by network function Realize；
Step S204, according to preset strategy by the service switching that Virtual NE undertakes to backup network elements.
By above-mentioned steps, determine that Virtual NE breaks down, wherein, Virtual NE virtualizes NFV by network function Technology is realized；According to preset strategy by the service switching that Virtual NE undertakes to backup network elements.Pass through undertake Virtual NE Business is transferred to backup network elements, can solve the technical problem that can not be switched in correlation technique to Virtual NE, improve The self-healing ability of Virtual NE.
Backup network elements in the present embodiment can be also Virtual NE, it is of course also possible to can be achieved on identical function Entity device.
Alternatively, the executive agent of above-mentioned steps can be the control terminal of Virtual NE, but not limited to this.
Optionally, the service switching that Virtual NE undertakes to backup network elements is included by following several plans according to preset strategy Slightly：
It is determined that a backup network elements corresponding with Virtual NE, and by the service switching that Virtual NE undertakes to backup net Member；
A backup network elements, and the business that Virtual NE is undertaken are determined from backup network elements group corresponding with Virtual NE It is switched to backup network elements；
It is determined that multiple backup network elements corresponding with Virtual NE, by the service switching that Virtual NE undertakes to multiple backup nets Member.Optionally, it is switched to after business can be split in multiple backup network elements.
Optionally, after according to the service switching that preset strategy undertakes Virtual NE to backup network elements, the present embodiment Can be with：Restart Virtual NE, delete Virtual NE, rebuild Virtual NE.
Optionally, before according to the service switching that preset strategy undertakes Virtual NE to backup network elements, method is also wrapped Include：
S11, in virtual network function descriptor VNFD (the Virtual Network Functions of Virtual NE Descriptor) and/or in network service descriptor NSD (Network Sevice Descriptor) add for indicating void Intend the specified strategy whether network element needs to back up；
S12, in the instantiation process of Virtual NE, the related data of preset strategy is configured according to specified strategy.
Specific data are filled in above-mentioned backup switchover policy (preset strategy), can be manually carry out configuration to fill in, Can when VNF is instantiated Auto-writing；When being progress Auto-writing, first can increase VNF in VNFD and/or NSD is The no strategy for needing to back up, when so carrying out VNF instantiations, whether can need to fill out according to the strategy decision in VNFD or NSD The related data in backup switchover policy is write, when needed, the VNF examples for backup can also be instantiated simultaneously.
Optionally, a backup net is determined from backup network elements group (including multiple backup network elements) corresponding with Virtual NE Member can be accomplished by the following way：
The minimum network element of current traffic in all network elements of backup network elements group is defined as backup network elements；
Network element nearest apart from Virtual NE in all network elements of backup network elements group is defined as backup network elements.
Optionally, before according to the service switching that preset strategy undertakes Virtual NE to backup network elements, method is also wrapped Include：Backup relation table is established for Virtual NE, backup relation table is used to describe Virtual NE and the corresponding relation of backup network elements；Or Person, the information of backup network elements is added in the management object of Virtual NE.
Optionally, above-mentioned backup relation table includes：The mark of Virtual NE, the mark of backup network elements, Virtual NE with it is standby The corresponding relation of part network element, the backup as 1 network element simultaneously such as one or more network elements, you can with and meanwhile share 1 network element Business.
In the optional embodiment according to the present embodiment, in the corresponding backup network elements of Virtual NE, backup network elements Information include：The identification information of the backup network elements of Virtual NE；When Virtual NE corresponds to backup network elements group, backup network elements Information includes：The identification information of each backup network elements in the backup network elements group of Virtual NE.Further, the information of backup network elements Also include：It whether there is the attribute information of backup network elements for characterizing Virtual NE.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but a lot In the case of the former be more preferably embodiment.Based on such understanding, technical scheme is substantially in other words to existing The part that technology contributes can be embodied in the form of software product, and the computer software product is stored in a storage In medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, calculate Machine, server, or network equipment etc.) perform method described in each embodiment of the present invention.
Embodiment 2
Additionally provide a kind of managing device of Virtual NE in the present embodiment, the device be used to realizing above-described embodiment and Preferred embodiment, repeating no more for explanation was carried out.As used below, term " module " can realize predetermined work( The combination of the software and/or hardware of energy.Although device described by following examples is preferably realized with software, firmly Part, or the realization of the combination of software and hardware is also what may and be contemplated.
Fig. 3 is the structured flowchart of the managing device of Virtual NE according to embodiments of the present invention, as shown in figure 3, the device Including：
Determining module 30, for determining that Virtual NE breaks down, wherein, Virtual NE is virtualized by network function NFV technologies are realized；
Handover module 32, for according to preset strategy by the service switching that Virtual NE undertakes to backup network elements.
Handover module 32 can also include：First switch unit, for determining a backup net corresponding with Virtual NE Member, and by the service switching that Virtual NE undertakes to backup network elements；Second switch unit, for from corresponding with Virtual NE standby Determine a backup network elements in part network element group, and by the service switching that Virtual NE undertakes to backup network elements；3rd switch unit, For determining multiple backup network elements corresponding with Virtual NE, by the service switching that Virtual NE undertakes to multiple backup network elements.
Optionally, the second switch unit is additionally operable to：By the minimum net of current traffic in all network elements of backup network elements group Member is defined as backup network elements；Or, network element nearest apart from Virtual NE in all network elements of backup network elements group is defined as backing up Network element.
Optionally, device also includes：Processing module, for undertaken Virtual NE according to preset strategy in handover module Service switching is to after backup network elements, performing one of following operation：Restart Virtual NE, delete Virtual NE, rebuild virtual net Member.
Optionally, stating device also includes：First add module, in handover module according to preset strategy by Virtual NE The service switching undertaken is to before backup network elements, in the virtual network function descriptor VNFD and/or network service of Virtual NE Added in descriptor NSD for indicating whether Virtual NE needs the specified strategy backed up；Configuration module, in Virtual NE Instantiation process in, according to it is specified strategy configure preset strategy related data.
Optionally, device also includes：Module is established, in the service switching for Virtual NE being undertaken according to preset strategy To before backup network elements, backup relation table is established for Virtual NE, backup relation table is used to describe Virtual NE and backup network elements Corresponding relation；Or second add module, for adding the information of backup network elements in the management object of Virtual NE.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong Cross in the following manner realization, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or above-mentioned modules are with any The form of combination is located in different processors respectively.
Embodiment 3
The present embodiment is according to an alternative embodiment of the invention, for the application to be specifically described in detail：
In 5G (new radio) stages, network function virtualization (NFV) technology, Virtual NE are employed in correlation technique (virtualization network function) is the software function module operated on the virtual network architecture of common hardware facility structure, So the self-healing of Virtual NE can be realized by the way of backup switches, i.e., it is first the Virtual NE for each needing to support self-healing (network element A) distribution one is used for or the Virtual NE of multiple backups (network element B, C ...), when network element A breaks down, then directly The service switching undertaken is to some backup network elements, and in this way, self-healing procedure is more quick, to Consumer's Experience Influence smaller.
By the present embodiment, overcome in the prior art under network function virtualized environment, how is the self-healing function of network The problem of realizing the scheme also without maturation.It is a kind of for realizing Virtual NE (virtualization under virtualized environment by proposing Network function) self-healing, give the network element self-healing method of the backup policy of Virtual NE (virtualization network function), in solution State and also provide a kind of efficient, feasible solution without the problem of network element self-healing scheme of maturation under virtualized network environment.
The technical scheme that the present embodiment uses is as follows, and Fig. 4 is a kind of self-healing of Virtual NE according to embodiments of the present invention The flow chart of method, including：
The backup switchover policy (equivalent to the preset strategy in above-described embodiment) for self-healing is formulated, is each need The one or more Virtual NE for being used to back up of Virtual NE distribution of self-healing are supported, i.e.,：
1 pair of 1 backup scenario；Or, backup scenario more than 1 pair；
When needing to support the Virtual NE of self-healing to break down for one, one is determined according to predetermined backup switchover policy Network element for backup；
Backup handover operation is performed, including but not limited to by the service switching that failure network element undertakes to backup network elements；
Optionally, subsequent treatment is carried out to failure network element, concrete operations include but is not limited to one of following：Restart fault network Member, delete failure network element, rebuild failure network element；
Specific data are filled in above-mentioned backup switchover policy, can be manually carry out configuration to fill in, can also be real in VNF Auto-writing during exampleization；When being progress Auto-writing, first it can increase whether VNF needs what is backed up in VNFD and/or NSD Strategy, when so carrying out VNF instantiations, whether can be needed to fill in backup switching plan according to the strategy decision in VNFD or NSD Related data in slightly, when needed, the VNF examples for backup can also be instantiated simultaneously.
When using 1 pair of 1 backup scenario, comprise the following steps that：
The backup switchover policy for self-healing is formulated, as each needs to support the Virtual NE of self-healing to distribute one and be used for The Virtual NE of backup；
When needing to support the Virtual NE A of self-healing to break down for one, one is determined according to predetermined backup switchover policy The individual network element B for being used to back up；
Backup handover operation is performed, including but not limited to by the service switching that failure network element A undertakes to backup network elements B；
Optionally, subsequent treatment is carried out to failure network element A, concrete operations include but is not limited to one of following：Restart failure Network element, delete failure network element, rebuild failure network element；
When using backup scenario more than 1 pair, comprise the following steps that：
The backup switchover policy for self-healing is formulated, as each needs to support the Virtual NE A of self-healing to distribute multiple use In the Virtual NE of backup, that is, create a backup network elements group；
When needing to support the Virtual NE A of self-healing to break down for one, according to predetermined backup switchover policy from predetermined Backup network elements group in select one be used for back up network element B, the selection strategy of backup network elements includes but is not limited to following manner One or more combinations：
The network element chosen is that current traffic is minimum in all network elements in backup network elements group；
The network element chosen is closest from failure network element A in all network elements in backup network elements group；
Backup handover operation is performed, including but not limited to by the service switching that failure network element A undertakes to backup network elements B；
Optionally, subsequent treatment is carried out to failure network element A, concrete operations include but is not limited to one of following：Restart failure Network element, delete failure network element, rebuild failure network element；
For backup policy, one of following scheme can be used：
Establish a special backup relation table；
Increase backup network elements information in NE management object；
When by the way of establishing a special backup relation table to express backup policy, then
To then 1 pair 1 of backup policy, then a backup relation list can be established, each element in list includes： The mark for the network element for needing to back up, for backup network element mark；
, then can one of in the following manner to the then backup policy more than 1 pair：
A backup relation list is established, the element in list includes：
Need the mark of network element backed up
One list, the mark of all network elements that can be used for backing up is included in list；
A backup relation list is established, the element in list includes：
One list, the mark of mark and all network elements that can be used for backing up comprising the network element for needing to back up in list； In other words the network element in this list can be backed up mutually, or, one or more network elements in this list are used as 1 simultaneously The backup of individual network element, you can to share the business of 1 network element simultaneously；
When by the way of the increase backup network elements information in NE management object to express backup policy, then：
To then 1 pair 1 of backup policy, then one of following scheme can be selected：
In Virtual NE (i.e. VNF examples) management object (VNFInfo)：Increase represents whether it has the category of backup network elements The attribute of the mark of property and backup network elements；Or
In Virtual NE (i.e. VNF examples) management object (VNFInfo)：The only attribute of the mark of increase backup network elements, When this property value is that space-time represents not back up, backup network elements are indicated during non-NULL.
To the then backup policy more than 1 pair, then one of following scheme can be selected：
In Virtual NE (i.e. VNF examples) management object (VNFInfo)：Increase represents whether it has the category of backup network elements Property and backup network elements Groups List attribute, the mark of all network elements that can be backed up wherein is included in backup network elements Groups List；Or
In Virtual NE (i.e. VNF examples) management object (VNFInfo)：Only increase backup network elements Groups List attribute, this The mark of all network elements that can be backed up is included in individual backup network elements Groups List, when this property value is that space-time represents not standby Part, backup network elements are indicated during non-NULL.
Using the method for the present embodiment, in order to overcome in the prior art under network function virtualized environment, net How the self-healing function of network realizes the problem of scheme also without maturation.It is a kind of for being realized under virtualized environment by proposing Virtual NE (virtualization network function) self-healing, backup policy based on Virtual NE (virtualization network function) network element from Curing method, for solve the problems, such as under above-mentioned virtualized network environment also without maturation network element self-healing scheme provides it is a kind of it is efficient, Feasible solution.
The present embodiment also includes following multiple specific embodiments, for the present embodiment to be described in detail：
Specific embodiment 1：
A kind of Virtual NE (virtualization network function) self-healing method, is comprised the following steps that：
The backup switchover policy for self-healing is formulated, as each needs to support the Virtual NE of self-healing to distribute one or more The individual Virtual NE for being used to back up.
When needing to support the Virtual NE of self-healing to break down for one, one is determined according to predetermined backup switchover policy Network element for backup；
Backup switching is performed, including but not limited to operates service switching that failure network element undertakes to backup network elements etc.；
Optionally, subsequent treatment is carried out to failure network element, it is including but not limited to one of following：Delete, restart；
Specific embodiment 2：
A kind of Virtual NE (virtualization network function) self-healing method (1 pair 1), comprises the following steps that：
The backup switchover policy for self-healing is formulated, as each needs to support the Virtual NE of self-healing to distribute one and be used for The Virtual NE of backup；
When needing to support the Virtual NE A of self-healing to break down for one, one is determined according to predetermined backup switchover policy The individual network element B for being used to back up；
Backup handover operation is performed, including but not limited to by the service switching that failure network element A undertakes to backup network elements B；
Optionally, subsequent treatment is carried out to failure network element A, concrete operations include but is not limited to one of following：Restart failure Network element, delete failure network element, rebuild failure network element；
Specific embodiment 3：
A kind of Virtual NE (virtualization network function) self-healing method (more than 1 pair), comprises the following steps that：
The backup switchover policy for self-healing is formulated, as each needs to support the Virtual NE of self-healing to distribute 1 or more The individual Virtual NE for being used to back up, that is, create a backup network elements group；
When needing to support the Virtual NE A of self-healing to break down for one, according to predetermined backup switchover policy from predetermined Backup network elements group in select one be used for back up network element B, the selection strategy of backup network elements includes but is not limited to following manner One or more combinations：
The network element chosen is that current traffic is minimum in all network elements in backup network elements group；
The network element chosen is closest from failure network element A in all network elements in backup network elements group；
Backup handover operation is performed, including but not limited to by the service switching that failure network element A undertakes to backup network elements B；
Optionally, subsequent treatment is carried out to failure network element A, concrete operations include but is not limited to one of following：Restart failure Network element, delete failure network element, rebuild failure network element；
Specific embodiment 4：
A kind of Virtual NE (virtualization network function) self-healing method (1 pair 1), comprises the following steps that：
A backup handoff relation Policy List is created, it is each in list for depositing the backup switchover policy of self-healing Element includes：The mark for the network element for needing to back up, for backup network element mark；As each need to support the virtual of self-healing Network element distributes a Virtual NE for being used to back up；
When needing to support the Virtual NE A of self-healing to break down for one, backup handoff relation Policy List is searched for, if energy The mark for searching out the network element that the needs of network element A mark and some element of list back up matches, then illustrates that network element A has backup Network element, it is determined that this is used for the network element B backed up；
Backup handover operation is performed, including but not limited to by the service switching that failure network element A undertakes to backup network elements B；
Optionally, subsequent treatment is carried out to failure network element A, concrete operations include but is not limited to one of following：Restart failure Network element, delete failure network element, rebuild failure network element；
Specific embodiment 5：
A kind of Virtual NE (virtualization network function) self-healing method (more than 1 pair), comprises the following steps that：
The backup switchover policy for self-healing is formulated, that is, establishes a backup relation list backupPolicyList, is arranged Each element in table includes：One list onePolicy, in list comprising the mark of network element that needs to back up and it is all can For the mark of the network element of backup, in other words the network element in this list onePolicy can be backed up mutually；
When needing to support the Virtual NE A of self-healing to break down for one, according to predetermined backup switchover policy from predetermined Backup network elements group in select one or more network elements for being used to back up, the selection strategy of backup network elements is including but not limited to as follows One or more combinations of mode：
The network element chosen is that current traffic is minimum in all network elements in backup network elements group；
The network element chosen is closest from failure network element A in all network elements in backup network elements group；
Backup handover operation is performed, including but not limited to by the service switching that failure network element A undertakes to backup network elements；
Optionally, subsequent treatment is carried out to failure network element A, concrete operations include but is not limited to one of following：Restart failure Network element, delete failure network element, rebuild failure network element；
Specific embodiment 6：
A kind of Virtual NE (virtualization network function) self-healing method (1 pair 1, self-healing module is at NMS (OSS)), specific step It is rapid as follows：
NMS creates a backup handoff relation Policy List, every in list for depositing the backup switchover policy of self-healing Individual element includes：The mark for the network element for needing to back up, for backup network element mark；As each need the void of support self-healing Intend network element and distribute a Virtual NE for being used to back up；
When NMS monitors that a Virtual NE A breaks down, NMS search backup handoff relation Policy Lists, if can search The mark for the network element B that some element of mark and list to network element A records matches, then illustrates that network element A has backup net First B；
NMS performs backup handover operation, and specifically, the operation of execution includes but is not limited to：
Called by NMS (OSS) and NFVO interface (Os-Ma-Nfvo) and cure network service (heal Network Service) operate, and provided in input parameter healNSData or healVNFData with network element B to take over network element A behaviour Indicate.Specific instruction includes but is not limited to：
By the service switching that failure network element A undertakes to backup network elements B；
Optionally, subsequent treatment is carried out to failure network element A, concrete operations include but is not limited to one of following：Restart failure Network element, delete failure network element, rebuild failure network element；
Specific embodiment 7：
A kind of Virtual NE (virtualization network function) self-healing method (more than 1 pair, self-healing module is at NMS (OSS)), specific step It is rapid as follows：
NMS formulates the backup switchover policy for self-healing, that is, establishes a backup relation list backupPolicyList, Each element in list includes：One list onePolicy, the mark for the network element for needing to back up is included in list and is owned Available for the mark of the network element of backup, in other words the network element in this list onePolicy can be backed up mutually；
When NMS monitors that a Virtual NE A breaks down, NMS search backup handoff relation Policy Lists Each element onePolicy in backupPolicyList, if network element A mark and some onePolicy can be searched out One network element ID of some element record of list (onePolicyX) matches, then illustrates that network element A has backup network elements group onePolicyX；Selected according to predetermined backup switchover policy from backup network elements group onePolicyX one be used for back up net First B, the selection strategy of backup network elements include but is not limited to one or more combinations of following manner：
The network element chosen is that current traffic is minimum in all network elements in backup network elements group；
The network element chosen is closest from failure network element A in all network elements in backup network elements group；
NMS performs backup handover operation, and concrete operations include but is not limited to：
Flexible (the Scale Network of network service are called by NMS (OSS) and NFVO interface (Os-Ma-Nfvo) Service) operation carries out dilatation, and backup network elements B is added to the network service where network element A, the business that failure network element A is undertaken It is switched to backup network elements B；
Optionally, the flexible (Scale of network service is called by NMS (OSS) and NFVO interface (Os-Ma-Nfvo) Network Service) operation progress capacity reducing, the network service where failure network element A is removed into it originally；
Specific embodiment 8：
A kind of Virtual NE (virtualization network function) self-healing method (1 pair 1, self-healing module is in EMS), specific steps are such as Under：
NMS by northbound interface EMS create a backup handoff relation strategy, mainly by Virtual NE for Management object in increase backup network elements instance identification attribute (BackupNE) (if the property value for sky, then it represents that it is not standby With network element, if non-NULL, its value is exactly backup network elements instance identification)；
When EMS monitors that a Virtual NE A breaks down, EMS checks the BackupNE in network element A management object The value of attribute, if its value non-NULL, it is exactly failure network element A backup network elements to illustrate network element B corresponding to BackupNE property values；
EMS performs backup handover operation, and specifically, the operation of execution includes but is not limited to：
Called by EMS and NFVO interface (or EMS passes through NMS) and cure network service (heal Network Service) operate, and provided in input parameter healNSData or healVNFData with network element B to take over network element A behaviour Indicate.Specific instruction includes but is not limited to：
By the service switching that failure network element A undertakes to backup network elements B；
Optionally, subsequent treatment is carried out to failure network element A, concrete operations include but is not limited to one of following：Restart failure Network element, delete failure network element, rebuild failure network element；
Specific embodiment 9：
A kind of Virtual NE (virtualization network function) self-healing method (more than 1 pair, self-healing module is in VNFM), specific steps are such as Under：
NMS formulates the backup switchover policy for self-healing by EMS in VNFM, real in VNF corresponding to record Virtual NE Increase a backup relation list backupPolicyList in the management object VNFInfo of example information, comprising all in list Available for the mark of VNF examples corresponding to the network element of backup, in other words the VNF examples in this list can serve as described The backup of VNF examples；If the list is sky, illustrate that the VNF examples do not back up；
When VNFM monitors that a VNF examples A breaks down, management object corresponding to VNFM search failure VNF examples Backup handoff relation Policy List backupPolicyList in VNFInfo, if the list is not sky, illustrate failure VNF Example A has backup, then a use is selected from backup network elements group backupPolicyList according to predetermined backup switchover policy In the network element B of backup, the selection strategy of backup network elements includes but is not limited to one or more combinations of following manner：
The network element chosen is that current traffic is minimum in all network elements in backup network elements group；
The network element chosen is closest from failure network element A in all network elements in backup network elements group；
VNFM performs backup handover operation, and concrete operations include but is not limited to：
Expanded by VNFM and NFVO interface interchange network service flexible (Scale Network Service) operation Hold, network service backup network elements B being added to where network element A, by the service switching that failure network element A undertakes to backup network elements B；
Optionally, VNFM and NFVO interface interchange network service flexible (Scale Network Service) behaviour is passed through Make carry out capacity reducing, failure network element A is removed to the network service at its original place；
Specific embodiment 10：
A kind of Virtual NE (virtualization network function) self-healing method (more than 1 pair, self-healing module is in NFVO), specific steps are such as Under：
The backup switchover policy for self-healing is formulated in NFVO, in the pipe of VNF example informations corresponding to record Virtual NE Managing increases a backup relation list backupPolicyList in object VNFInfo, can be used for backing up comprising all in list Network element corresponding to VNF examples mark, in other words the VNF examples in this list can serve as the VNF examples Backup；If the list is sky, illustrate that the VNF examples do not back up；
When NFVO monitors that a VNF examples A breaks down, management object corresponding to NFVO search failure VNF examples Backup handoff relation Policy List backupPolicyList in VNFInfo, if the list is not sky, illustrate failure VNF Example A has backup, then a use is selected from backup network elements group backupPolicyList according to predetermined backup switchover policy In the network element B of backup, the selection strategy of backup network elements includes but is not limited to one or more combinations of following manner：
The network element chosen is that current traffic is minimum in all network elements in backup network elements group；
The network element chosen is closest from failure network element A in all network elements in backup network elements group；
NFVO performs backup handover operation, and concrete operations include but is not limited to：
Dilatation is carried out by network service flexible (Scale Network Service) operation, backup network elements B is added to Network service where network element A, by the service switching that failure network element A undertakes to backup network elements B；
Optionally, capacity reducing is carried out by network service flexible (Scale Network Service) operation, by failure network element A removes the network service at its original place；
Embodiment 4
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can The program code for performing following steps to be arranged to storage to be used for：
S1, determine that Virtual NE breaks down, wherein, Virtual NE virtualizes NFV technologies by network function and realized；
S2, according to preset strategy by the service switching that Virtual NE undertakes to backup network elements.
Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. is various can be with the medium of store program codes.
Alternatively, in the present embodiment, processor is performed according to the program code stored in storage medium and determined virtually Network element breaks down, wherein, Virtual NE virtualizes NFV technologies by network function and realized；
Alternatively, in the present embodiment, processor is performed according to default according to the program code stored in storage medium Strategy is by the service switching that Virtual NE undertakes to backup network elements.
Alternatively, the specific example in the present embodiment may be referred to described in above-described embodiment and optional embodiment Example, the present embodiment will not be repeated here.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (15)

  1. A kind of 1. management method of Virtual NE, it is characterised in that including：
    Determine that Virtual NE breaks down, wherein, the Virtual NE virtualizes NFV technologies by network function and realized；
    According to preset strategy by the service switching that the Virtual NE undertakes to backup network elements.
  2. 2. according to the method for claim 1, it is characterised in that the business for being undertaken the Virtual NE according to preset strategy Being switched to backup network elements includes one below：
    It is determined that a backup network elements corresponding with the Virtual NE, and by the service switching that the Virtual NE undertakes described in Backup network elements；
    A backup network elements are determined from backup network elements group corresponding with the Virtual NE, and the Virtual NE is undertaken Service switching is to the backup network elements；
    It is determined that multiple backup network elements corresponding with the Virtual NE, by the service switching that the Virtual NE undertakes to described more Individual backup network elements.
  3. 3. according to the method for claim 1, it is characterised in that in the industry for being undertaken the Virtual NE according to preset strategy Business is switched to after backup network elements, and methods described also includes one below：Restart the Virtual NE, delete the virtual net Member, rebuild the Virtual NE.
  4. 4. according to the method for claim 1, it is characterised in that in the industry for being undertaken the Virtual NE according to preset strategy Business is switched to before backup network elements, and methods described also includes：
    Added in the virtual network function descriptor VNFD and/or network service descriptor NSD of the Virtual NE for referring to Show whether the Virtual NE needs the specified strategy backed up；
    In the instantiation process of the Virtual NE, the related data of the preset strategy is configured according to the specified strategy.
  5. 5. according to the method for claim 2, it is characterised in that from backup network elements group corresponding with the Virtual NE really A fixed backup network elements include one below：
    The minimum network element of current traffic in all network elements of the backup network elements group is defined as the backup network elements；
    The nearest network element of Virtual NE described in distance in all network elements of the backup network elements group is defined as the backup network elements.
  6. 6. according to the method for claim 1, it is characterised in that in the industry for being undertaken the Virtual NE according to preset strategy Business is switched to before backup network elements, and methods described also includes：
    Backup relation table is established for the Virtual NE, the backup relation table is used to describe the Virtual NE and the backup The corresponding relation of network element；Or
    The information of the backup network elements is added in the management object of the Virtual NE.
  7. 7. according to the method for claim 6, it is characterised in that the backup relation table includes：The mark of the Virtual NE Know, the identifying of the backup network elements, the Virtual NE and the corresponding relation of the backup network elements.
  8. 8. according to the method for claim 6, it is characterised in that
    In the corresponding backup network elements of the Virtual NE, the information of the backup network elements includes：The Virtual NE it is standby The identification information of part network element；Or,
    When the Virtual NE corresponds to backup network elements group, the information of the backup network elements includes：The backup of the Virtual NE The identification information of each backup network elements in network element group.
  9. 9. according to the method for claim 8, it is characterised in that the information of the backup network elements also includes：For characterizing State the attribute information that Virtual NE whether there is backup network elements.
  10. A kind of 10. managing device of Virtual NE, it is characterised in that including：
    Determining module, for determining that Virtual NE breaks down, wherein, the Virtual NE virtualizes NFV by network function Technology is realized；
    Handover module, for according to preset strategy by the service switching that the Virtual NE undertakes to backup network elements.
  11. 11. device according to claim 10, it is characterised in that the handover module includes one below：
    First switch unit, for determining a backup network elements corresponding with the Virtual NE, and the Virtual NE is held The service switching of load is to the backup network elements；
    Second switch unit, for determining a backup network elements from backup network elements group corresponding with the Virtual NE, and will The service switching that the Virtual NE undertakes is to the backup network elements；
    3rd switch unit, for determining multiple backup network elements corresponding with the Virtual NE, the Virtual NE is undertaken Service switching to the multiple backup network elements.
  12. 12. device according to claim 10, it is characterised in that described device also includes：
    Processing module, for the handover module according to preset strategy by the service switching that the Virtual NE undertakes to backup After network element, one of following operation is performed：Restart the Virtual NE, delete the Virtual NE, rebuild the Virtual NE.
  13. 13. device according to claim 10, it is characterised in that described device also includes：
    First add module, for being arrived the service switching that the Virtual NE undertakes according to preset strategy in the handover module Before backup network elements, add in the virtual network function descriptor VNFD and/or network service descriptor NSD of the Virtual NE Add for indicating whether the Virtual NE needs the specified strategy backed up；
    Configuration module, in the instantiation process of the Virtual NE, the default plan to be configured according to the specified strategy Related data slightly.
  14. 14. device according to claim 11, it is characterised in that second switch unit is additionally operable to：
    The minimum network element of current traffic in all network elements of the backup network elements group is defined as the backup network elements；Or,
    The nearest network element of Virtual NE described in distance in all network elements of the backup network elements group is defined as the backup network elements.
  15. 15. device according to claim 10, it is characterised in that described device also includes：
    Module is established, for before according to preset strategy by the service switching that the Virtual NE undertakes to backup network elements, being The Virtual NE establishes backup relation table, and the backup relation table is used to describe the Virtual NE and the backup network elements Corresponding relation；Or
    Second add module, for adding the information of the backup network elements in the management object of the Virtual NE.
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