WO2015058626A1 - 虚拟化网络功能网元的管理方法、装置和系统 - Google Patents

虚拟化网络功能网元的管理方法、装置和系统 Download PDF

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Publication number
WO2015058626A1
WO2015058626A1 PCT/CN2014/088444 CN2014088444W WO2015058626A1 WO 2015058626 A1 WO2015058626 A1 WO 2015058626A1 CN 2014088444 W CN2014088444 W CN 2014088444W WO 2015058626 A1 WO2015058626 A1 WO 2015058626A1
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Prior art keywords
vnf
network element
vnf network
resource pool
information
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PCT/CN2014/088444
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English (en)
French (fr)
Inventor
夏靓
宗宁
汪洋
吴钦
王丹华
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP14854959.5A priority Critical patent/EP3046288B1/en
Priority to ES14854959T priority patent/ES2748156T3/es
Publication of WO2015058626A1 publication Critical patent/WO2015058626A1/zh
Priority to US15/133,399 priority patent/US11223541B2/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
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/508—Network service management, e.g. ensuring proper service fulfilment according to agreements based on type of value added network service under agreement
    • H04L41/5096—Network service management, e.g. ensuring proper service fulfilment according to agreements based on type of value added network service under agreement wherein the managed service relates to distributed or central networked applications
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • 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
    • 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
    • H04L41/0894—Policy-based network configuration management
    • 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
    • H04L41/0895—Configuration of virtualised networks or elements, e.g. virtualised network function or OpenFlow 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
    • H04L41/40—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using virtualisation of network functions or resources, e.g. SDN or NFV entities
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G06F2009/45595—Network integration; Enabling network access in virtual machine instances
    • 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

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a method, an apparatus, and a system for managing a virtualized network function network element.
  • the VNF includes the virtualization of the L3 function and the virtualization of the L4-L7 function.
  • the virtualization of the L3 function may include: a virtual Provider Edge (vPE), and a virtual broadband network gateway (virtual broadband network gateway). , abbreviated as: vBNG) and virtual data center gateway (virtual Date Center Gateway, vDC GW for short), etc.
  • virtualization of L4-L7 functions may include: virtual load balancing device (virtual load balancing, vLB for short), virtual WAN optimization Controller (virtual Wan optimization Controller, vWoC for short) and virtual firewall (virtual Fire Wall, vFW for short).
  • FIG. 1 is a schematic diagram of a hierarchical implementation of VNF in the prior art.
  • the VNF runs on a virtual host (Virtual Machine). , referred to as: VM), the VM runs on the virtual machine monitor (Hypervisor), the hypervisor runs on the server (Server), the pool registrar (Pool Registrar, referred to as: PR) is based on the trusted server pool (Reliable Server) Pooling, referred to as the RserPool protocol, manages the server.
  • Figure 2 is a schematic diagram of the architecture of the RserPool protocol in the prior art.
  • the server is located in the server pool as a pool element (Poly Element, PE).
  • the device manages the corresponding server pool, and the communication between the PE and the PR and the pool user device (Pool User: PU) and the PR is based on the Aggregate Server Access Protocol (ASAP).
  • ASAP Aggregate Server Access Protocol
  • Communication between the PR and the PR based on the Endpoint Handlespace Redundancy Protocol (ENRP) protocol, PU And a communication protocol based on the application between PU and PE between clients.
  • ENRP Endpoint Handlespace Redundancy Protocol
  • the PU sends a request message to the PR, and the PR is based on The condition parameter carried in the request message determines at least two VNFs, and then feeds the determined at least two VNF network elements to the PU, so that the PU creates a new functional group according to the determined at least two VNF network elements.
  • VNF network elements constituting a functional group run on the same VM or the same hypervisor or the same server, when the VM or the hypervisor or the server fails (also referred to as a risk sharing problem), The functional groups formed by these VNFs are not working properly.
  • the embodiment of the invention provides a method, a device and a system for managing a virtualized network function network element, so as to avoid the risk that the function group formed by the VNF cannot work normally.
  • an embodiment of the present invention provides a method for managing a virtualized network function network element, including: a VNF resource pool management apparatus receives a VNF network element request message sent by a VNF resource pool user equipment, where the VNF network element request message includes Attribute information and a location policy of the VNF network element to be requested; the VNF resource pool management device determines the compliance from the VNF resource pool according to the VNF network element request message and the location information of the VNF network element in the VNF resource pool. a first VNF network element that includes the attribute information and the location policy, the first VNF network element includes at least one VNF network element, and the VNF resource pool management device sends a VNF network element response message to the VNF resource pool user device.
  • the VNF network element response message includes identification information of the first VNF network element.
  • the VNF resource pool management device determines, according to the VNF network element request message and the location information of the VNF network element in the VNF resource pool, the content is determined from the VNF resource pool. And the first VNF network element of the attribute information and the location policy, the VNF resource pool management device determines, according to the attribute information in the VNF network element request message, the second information that meets the attribute information from the VNF resource pool.
  • the VNF resource pool management device acquires location information of the second VNF network element; the VNF resource pool management device according to the location information of the second VNF network element and the VNF network element request message And determining, by the location policy, the first VNF network element that meets the location policy from the second VNF network element.
  • the VNF resource pool management device receives the VNF resource pool user device and sends the Before the VNF network element request message, the VNF resource pool management device receives the registration message sent by the VNF network element in the VNF resource pool, where the registration message includes location information of the VNF network element; the registration message
  • the extended aggregation server access protocol ASAP registration message or the preset registration message includes: a virtual host VM identifier type length value TLV field, a virtual machine monitor identifier TLV field, and a server identifier TLV field.
  • the VNF network element request message is an extended ASAP handle parsing message or a preset request message.
  • the location policy includes a first information and / or the second information: the first information is: all the VNF network elements in the function cluster or the work/protection group are deployed on different servers, or all the VNF network elements in the function cluster or the work/protection group are Deployed on the same server and different virtual machine monitors, or all VNF network elements in a functional cluster or work/protection group are deployed on the same server, the same virtual machine monitor, and different virtual memory VMs;
  • the second information is: all VNF network elements in the function cluster or work/protection group are allocated in the same IP subnet, or all VNF network elements in the function cluster or work/protection group are evenly distributed in at least two IPs. In the subnet.
  • the location information of the VNF network element includes: an IP address and a MAC address of a server where the VNF network element is located, an identifier of a virtual machine monitor where the VNF network element is located, and a VM where the VNF network element is located. logo.
  • the embodiment of the present invention provides a VNF resource pool management apparatus, including: a receiving unit, configured to receive a VNF network element request message sent by a VNF resource pool user equipment, where the VNF network element request message includes a VNF that needs to be requested.
  • the attribute information and the location policy of the network element configured to determine, according to the VNF network element request message and the location information of the VNF network element in the VNF resource pool, the attribute information and the location policy from the VNF resource pool.
  • the first VNF network element, the first VNF network element includes at least one VNF network element, and the sending unit is configured to send a VNF network element response message to the VNF resource pool user equipment, where the VNF network element response message includes The identification information of the first VNF network element.
  • the determining unit is specifically configured to determine, according to the attribute information in the VNF network element request message, a second VNF network that meets the attribute information from the VNF resource pool. Obtaining location information of the second VNF network element; according to the location of the second VNF network element Setting the information and the location policy in the VNF network element request message, and determining, by the second VNF network element, the first VNF network element that meets the location policy.
  • the receiving unit is further configured to receive a VNF network element request sent by the VNF resource pool user device.
  • the registration message sent by the VNF network element in the VNF resource pool is received, where the registration message includes location information of the VNF network element; the registration message is an extended aggregation server access protocol ASAP registration message.
  • a preset registration message where the registration message includes: a virtual host VM identifier TLV field, a virtual machine monitor identifier TLV field, and a server identifier TLV field; the VNF network element request message is an extended ASAP handle parsing report. Text or preset request message.
  • the location policy includes the first Information and/or second information;
  • the first information is: all VNF network elements in the function cluster or work/protection group are deployed on different servers, or all VNF networks in the function cluster or work/protection group Yuan is deployed on the same server and different virtual machine monitors, or all VNF network elements in the function cluster or work/protection group are deployed on the same server, the same virtual machine monitor, and different virtual memory VMs.
  • the second information is: all VNF network elements in the function cluster or the work/protection group are allocated in the same IP subnet, or all VNF network elements in the function cluster or the work/protection group are evenly distributed in at least two In an IP subnet.
  • the location information of the VNF network element includes: an IP address and a MAC address of a server where the VNF network element is located, an identifier of a virtual machine monitor where the VNF network element is located, and a location of the VNF network element The identity of the VM.
  • the embodiment of the present invention provides a VNF resource pool user apparatus, including: a sending unit, configured to send a VNF network element request message to a VNF resource pool management apparatus, where the VNF network element request message includes a VNF network that needs to be requested.
  • the attribute information and the location policy of the element so that the VNF resource pool management device determines, according to the VNF network element request message and the location information of the VNF network element in the VNF resource pool, the attribute information from the VNF resource pool.
  • the first VNF network element of the location policy includes at least one VNF network element
  • the receiving unit is configured to receive a VNF network element response message sent by the VNF resource pool management apparatus, where the VNF network element
  • the response message includes an identification letter of the first VNF network element
  • the processing unit is configured to determine the first VNF network element according to the VNF network element response message.
  • the location policy includes first information and/or second information, where the first information is: all the VNF network elements in the function cluster or the working/protection group Deployed on different servers, or all VNF network elements in a functional cluster or work/protection group are deployed on the same server and different virtual machine monitors, or all VNF networks in a functional cluster or work/protection group.
  • the meta-distribution is deployed on the same server, the same virtual machine monitor, and different virtual host VMs;
  • the second information is: all VNF network elements in the function cluster or work/protection group are allocated in the same IP subnet. Or, all VNF network elements in the function cluster or work/protection group are evenly distributed among at least two IP subnets.
  • the location information of the VNF network element includes: a server where the VNF network element is located The IP address and the MAC address, the identifier of the virtual machine monitor where the VNF network element is located, and the identifier of the VM where the VNF network element is located.
  • the embodiment of the present invention provides a VNF management system, including: a VNF network element, configured to send a registration message to a VNF resource pool management device, where the registration message includes location information of the VNF network element;
  • the VNF resource pool management device is a VNF resource pool management device, which is provided in communication with the VNF network element and the VNF resource pool user device, and the VNF resource pool user device is, for example, A VNF resource pool user apparatus provided by a third aspect of the embodiments of the present invention.
  • the method further includes: an aggregation switch, configured to receive a binding message sent by the VNF network element, to establish a binding relationship with the VNF, where the binding message is Including the virtual card slot of the VNF network element, when the physical card of the aggregation switch fails, the VNF network element is invoked to replace the physical card according to the virtual card insertion number;
  • the VNF network element is further configured to send the binding message to the aggregation switch to establish a binding relationship with the aggregation switch.
  • the registration message further includes: a virtual card insertion number of the VNF network element and Identification information of the aggregation switch bound to the VNF network element.
  • the method, device, and system for managing a virtualized network function network element receive a VNF network element request message sent by a VNF resource pool user device by using a VNF resource pool management device, according to a VNF network element request message and a VNF resource pool.
  • the location information of the VNF network element determining the first VNF network element that conforms to the attribute information and the location policy from the VNF resource pool, and the VNF resource pool management device to the VNF resource pool
  • the user equipment sends a VNF network element response message.
  • the VNF resource pool management device determines the VNF network element to be requested according to the location policy and the location information of the VNF network element, so that all the determined VNF network elements are deployed on different VMs or different hypervisors or different servers, so that Avoid the risk that the functional group formed by the VNF network element will not work properly.
  • FIG. 1 is a schematic diagram of a hierarchical implementation manner of a VNF in the prior art
  • FIG. 3 is a schematic diagram of an application scenario of a method for managing a virtualized network function network element according to an embodiment of the present disclosure
  • Embodiment 4 is a flowchart of Embodiment 1 of a method for managing a virtualized network function network element according to the present invention
  • Embodiment 5 is a flowchart of Embodiment 2 of a method for managing a virtualized network function network element according to the present invention
  • FIG. 6 is a schematic diagram of a format of an extended ASAP registration message according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic diagram of a format of a first TLV field according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of a format of an extended ASAP handle parsing message according to an embodiment of the present disclosure
  • FIG. 9 is a schematic structural diagram of Embodiment 1 of a VNF resource pool management apparatus according to the present invention.
  • Embodiment 10 is a schematic structural diagram of Embodiment 1 of a VNF resource pool user equipment according to the present invention.
  • Embodiment 1 is a schematic structural diagram of Embodiment 1 of a management system for a VNF network element according to the present invention.
  • Embodiment 12 is a schematic structural diagram of Embodiment 2 of a management system for a VNF network element according to the present invention.
  • FIG. 13 is another schematic diagram of a format of an extended ASAP registration message according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of an application scenario of a method for managing a virtualized network function network element according to an embodiment of the present invention.
  • a cloud management system (CMS) device can create a VNF network element.
  • the VNF network element is configured to perform VNF resource pool management, that is, all VNF network elements are put into the resource pool as available resources, and the VNF resource pool management device allocates VNF from the VNF resource pool according to the specific needs of different services.
  • the network element is used by the VNF resource pool user device, wherein the CMS device and the VNF resource pool can communicate according to the cloud computing management protocol, and the VNF resource pool management device and the CMS device can communicate according to the query protocol of the cloud management system.
  • the VNF resource pool management device and the VNF resource pool user device and the VNF resource pool management device and the VNF network element in the VNF resource pool can communicate based on the extended ASAP protocol, and the VNF resource pool management device and the VNF resource.
  • the pool management device can communicate based on the extended ENRP protocol.
  • the VNF resource pool management device supports a distributed architecture to implement load sharing and improve reliability. All VNF resource pool management devices perform synchronization between VNF resource pool management device information and updates through the ENRP protocol, and between VNF resource pool management devices. The operation of fault detection and replacement of the failed VNF resource pool management device ultimately maintains the overall availability and consistency of the VNF resource pool management device cluster.
  • the application scenario shown in FIG. 3 is an application scenario of the method for managing the virtualized network function network element of the present invention. The embodiment of the present invention is not limited thereto.
  • Embodiment 1 is a flowchart of Embodiment 1 of a method for managing a virtualized network function network element according to the present invention. As shown in FIG. 4, the method in this embodiment may include:
  • the VNF resource pool management apparatus receives the VNF network element request message sent by the VNF resource pool user equipment.
  • the VNF network element request message includes attribute information and a location policy of the VNF network element that needs to be requested. All the VNF network elements are managed by the VNF resource pool, that is, all the VNF network elements are put into the resource pool as available resources, and the VNF network elements are allocated from the VNF resource pool for use according to the specific needs of different services.
  • the VNF resource pool management device may be a management server, and the VNF resource pool user device may be a network management system (NMS) server or an operation support system (OSS) server.
  • NMS network management system
  • OSS operation support system
  • the VNF resource pool management device can receive the VNF network element request sent by the VNF resource pool user device.
  • the function group can be a function cluster in the prior art, or a working/protection group in the prior art
  • the VNF resource pool user device can send the VNF resource pool management device to the VNF resource pool management device.
  • the VNF network element request message includes the attribute information of the VNF network element to be requested and the location policy of the VNF network element to be requested.
  • the attribute information of the VNF network element to be requested may be the name of the VNF network element.
  • the type of the VNF network element (such as vFW, vWoC, vLB, vDPI, etc.), the central processing unit of the VNF network element (English Central Processing Unit, CPU for short), the memory of the VNF network element, the storage space of the VNF network element, and the VNF.
  • the location policy of the VNF network element that needs to be requested is used to indicate the location relationship of the VNF network element that needs to be requested.
  • the VNF resource pool management device determines, according to the VNF network element request message and the location information of the VNF network element in the VNF resource pool, the first VNF network element that meets the attribute information and the location policy from the VNF resource pool.
  • the VNF resource pool management device after receiving the VNF network element request message sent by the user equipment of the VNF resource pool, obtains the VNF network element request message and the location information of all VNF network elements in the VNF resource pool from the VNF resource pool. Determining the first VNF network element, the first VNF network element conforms to the attribute information and the location policy in the VNF network element request, for example, the location information of the VNF network element may be on which server the VNF network element is deployed, or in which virtual machine is deployed. On the monitor, or on which VM.
  • the first VNF network element includes at least one VNF network element, that is, the VNF resource pool management apparatus may determine at least one VNF network element that conforms to the attribute information and the location policy from the VNF resource pool.
  • the location policy is used to indicate that the required VNF network elements are deployed on different servers, or the required VNF network elements are deployed on different VMs, or the required VNF network elements are deployed on different virtual machines. On the monitor and so on.
  • the VNF resource pool management device sends a VNF network element response message to the VNF resource pool user device, where the VNF network element response message includes the identifier information of the first VNF network element.
  • the VNF resource pool management device sends a VNF network element response message to the VNF resource pool user device, where the VNF network element response message includes the identifier information of the first VNF network element. That is, the VNF network element response message includes the identification information of each VNF network element determined in S102, and the VNF resource pool user equipment can determine the first VNF network element, that is, the VNF resource pool user, according to the identification information of the first VNF network element.
  • the device may determine each of the determined VNF network elements according to the identification information of each VNF network element determined above.
  • the location of the VNF network element with different reliability levels can be flexibly implemented, and the problem of simultaneous failure of the work energy cluster or the work/protection group formed by the VNF network element caused by the failure of the physical device or the logic module of the lower layer of the VNF network element can be avoided.
  • the VNF resource pool management apparatus receives the VNF network element request message sent by the VNF resource pool user equipment, according to the VNF network element request message and the VNF network in the VNF resource pool, according to the method for managing the virtualized network function network element provided by the first embodiment of the present invention.
  • the VNF resource pool management device sends a VNF network element response message to the VNF resource pool user device by determining the first VNF network element that meets the attribute information and the location policy from the VNF resource pool.
  • the VNF resource pool management device determines the VNF network element to be requested according to the location policy and the location information of the VNF network element, so that all the determined VNF network elements are deployed on different VMs or different hypervisors or different servers, so that Avoid the risk that the functional group formed by the VNF network element will not work properly.
  • FIG. 5 is a flowchart of Embodiment 2 of a method for managing a virtualized network function network element according to the present invention. As shown in FIG. 5, the method in this embodiment may include:
  • the VNF resource pool user equipment sends a VNF network element request message to the VNF resource pool management apparatus.
  • the VNF resource pool user device may send a VNF network element request message to the VNF resource pool management device.
  • the function group may be a function cluster in the prior art, or In the working/protection group of the technology, the VNF resource pool user device may send a VNF network element request message to the VNF resource pool management device, where the VNF network element request message includes the attribute information of the VNF network element to be requested and the VNF to be requested.
  • the location policy of the network element, the location policy of the VNF network element that needs to be requested is used to indicate the location relationship of the VNF network element that needs to be requested.
  • the VNF resource pool management device determines, according to the VNF network element request message and the location information of the VNF network element in the VNF resource pool, the first VNF network element that meets the attribute information and the location policy from the VNF resource pool, and the first VNF network element. Include at least one VNF network element.
  • the VNF resource pool user apparatus receives the VNF network element response message sent by the VNF resource pool management apparatus.
  • the VNF resource pool management device determines the first VNF network element that conforms to the attribute information and the location policy from the VNF resource pool according to the VNF network element request message and the location information of the VNF network element in the VNF resource pool, to the VNF.
  • the resource pool user device sends a VNF network element response message, where the VNF network element response message includes identification information of the first VNF network element. Therefore, the VNF resource pool user device can receive the VNF network element response message sent by the VNF resource pool management device.
  • the VNF resource pool user equipment determines the first VNF network element according to the VNF network element response message.
  • the user equipment of the VNF resource pool may obtain the identification information of the first VNF network element according to the VNF network element response message, and then determine the first VNF network element according to the identification information, that is, the determined The identification information of one VNF network element is less, and then at least one VNF network element is determined according to the at least one identification information.
  • the VNF resource pool user device may newly establish or update the function group according to the first VNF network element, or the VNF resource pool user device may control the flow guiding device to conduct the flow to the first VNF network element, or the VNF resource pool user device.
  • the first VNF network element can be arranged according to the service requirements of its own service.
  • the method for managing a virtualized network function network element sends a VNF network element request message to the VNF resource pool management device by the VNF resource pool user device, and receives the VNF network element response message sent by the VNF resource pool management device.
  • the first VNF network element is determined according to the VNF network element response message.
  • the determined VNF is determined by the VNF resource pool management device according to the location policy and the location information of the VNF network element, so that the determined VNF network elements are all deployed on different VMs or different hypervisors or different servers, so as to avoid The risk that the functional group formed by the VNF network element cannot work normally.
  • the first VNF is based on the first embodiment of the method for managing the virtualized network function network element of the present invention or the second embodiment of the method of the present invention.
  • the identifier information of the network element is an Internet (Internet Procotol, IP for short) address or a Media Access Control (MAC) address of the first VNF network element.
  • the foregoing VNF resource pool is based on any one of the embodiments 1 to 3 of the management method for the virtualized network function network element of the present invention.
  • the management device determines, according to the VNF network element request message and the location information of the VNF network element in the VNF resource pool, the first VNF network element that meets the attribute information and the location policy from the VNF resource pool, including: the VNF
  • the resource pool management device determines, according to the attribute information in the VNF network element request message, the second VNF network element that meets the attribute information from the VNF resource pool; the VNF resource pool management device acquires the second VNF network element
  • the VNF resource pool management device determines, according to the location information of the second VNF network element and the location policy in the VNF network element request message, that the location policy is met from the second VNF network element.
  • the first VNF network element is based on any one of the embodiments 1 to 3 of the management method for the virtualized network function network element of the present invention.
  • the VNF resource pool management apparatus determines, according to the VNF network element request message and the location information of the VNF network element in the VNF resource pool, the first information that conforms to the attribute information and the location policy from the VNF resource pool.
  • the VNF network element includes: the VNF resource pool management device determines, according to the attribute information in the VNF network element request message, the second VNF network element that meets the attribute information from the VNF resource pool; the VNF resource pool management device obtains from the cloud management system device The location information of the second VNF network element, where the cloud management system device stores the location information of the VNF network element in the VNF resource pool; the VNF resource pool management device And determining, according to the location information of the second VNF network element and the location policy in the VNF network element request message, the first VNF network element that meets the location policy from the second VNF network element.
  • the cloud management system device can create all the VNF network elements in the VNF resource pool, and allocate corresponding functions to the created VNF network element, that is, assign attribute information to the VNF network element, for example, the cloud management system device is created.
  • a part of the VNF network element may be a vFW network element, and a part of the VNF network element may be a vLB network element, that is, an attribute information is allocated for the VNF, and the location information of the VNF network element in the VNF resource pool is also stored in the cloud management system device.
  • the location information of the VNF network element includes: an IP address and a MAC address of the server where the VNF network element is located, an identifier of the virtual machine monitor where the VNF network element is located, and an identifier of the VM where the VNF network element is located.
  • the identifier of the virtual machine monitor where the VNF network element is located may be the name or number of the virtual machine monitor where the VNF network element is located (for example, a string of numbers) or an IP address
  • the identifier of the VM where the VNF network element is located may be the VNF network.
  • the name or number of the VM where the meta is located for example, a string of numbers or an IP address.
  • the location information of the VNF network element may further include a virtual card insertion number of the VNF network element.
  • the VNF resource pool management device may determine the second VNF network element that meets the attribute information from the VNF resource pool according to the attribute information in the VNF network element request message, for example, The attribute information is that the VNF network element to be requested is a vFW network element, and the VNF resource pool management device can determine the second VNF from the VNF resource pool, that is, for example, three vFW network elements, because the VNF is stored in the cloud management system.
  • the location information of the VNF network element in the resource pool the VNF resource pool management device obtains the location information of the second VNF network element from the cloud management system device, that is, obtains the location information of the three vFW network elements from the cloud management system device, The VNF resource pool management device determines the first VNF network element that meets the location policy from the second VNF network element according to the location information of the second VNF network element and the location policy in the VNF network element request message, for example, the location policy is required.
  • the two vFW NEs are deployed on different servers.
  • V The NF resource pool management device selects one vFW network element as the first VNF network element from the two vFW network elements deployed on the same server, and simultaneously uses the vFW network element deployed on the other server as the first VNF network. yuan.
  • the VNF resource pool management device receives the VNF network element request message sent by the VNF resource pool user device, and further includes: the VNF resource pool management device receives the location information sent by the VNF network element in the VNF resource pool. .
  • the VNF resource pool management device determines, according to the VNF network element request message and the location information of the VNF network element in the VNF resource pool, the first VNF network element that meets the attribute information and the location policy, including: the VNF resource, from the VNF resource pool.
  • the pool management device requests according to the VNF network element
  • the attribute information in the message is used to determine the second VNF network element that meets the attribute information from the VNF resource pool; and obtain the second VNF network from the location information of the VNF network element in the VNF resource pool stored in the VNF resource pool management device. Position information of the element, and then determining, according to the location information of the second VNF network element and the location policy in the VNF network element request message, the first that meets the location policy from the second VNF network element VNF network element.
  • the VNF network element sends the location information of the VNF network element to the VNF resource pool management device.
  • the location information of the VNF network element may include: the server where the VNF network element is located.
  • the identifier of the virtual machine monitor where the VNF network element is located may be the name or number of the virtual machine monitor where the VNF network element is located.
  • the identifier of the VM where the VNF network element is located may be the name or number of the VM where the VNF network element is located.
  • the location information of the VNF network element may further include a virtual card insertion number of the VNF network element. Therefore, the VNF resource pool management device can acquire and store the location information of the VNF network element. After receiving the VNF network element request message sent by the user equipment of the VNF resource pool, the VNF resource pool management device may obtain the VNF resource pool according to the attribute information in the VNF network element request message and the location information of the VNF network element in the stored VNF resource pool. The first VNF network element that meets the attribute information and the location policy is determined.
  • the VNF resource pool management device receives the location information sent by the VNF network element in the VNF resource pool, where the VNF resource pool management device receives the registration message sent by the VNF network element in the VNF resource pool, where the registration message includes the VNF network.
  • the location information of the element after the VNF network element sends a registration message to the VNF resource pool management device, may become a part of the VNF resource pool.
  • the VNF network element sends a registration message to the VNF resource pool management device, where the registration cancellation includes the name of the VNF network element and the type of the VNF network element (for example, vFW, vWoC, vLB, vDPI, etc.), the CPU of the VNF network element, the memory of the VNF network element, the storage space of the VNF network element, the bandwidth of the VNF network element, and the interface of the VNF network element.
  • the registration message may further include location information of the VNF network element.
  • the foregoing registration message is an extended ASAP registration message or a preset registration message, where the preset registration message is another newly defined registration message, and the registration message includes: a virtual host VM identifier A Type Length Value (TLV) field, a VM Monitor ID TLV field, and a Server ID TLV field.
  • TLV Type Length Value
  • the registration message includes a first TLV field, and the first TLV field is used to indicate location information of the VNF.
  • Figure 6 is a schematic diagram of a format of an extended ASAP registration message according to an embodiment of the present invention. As shown in FIG. 6 , an extended ASAP registration message is provided in the prior art ASAP registration (ASAP_REGISTRATION). The location information TLV of the VNF network element is added to the message.
  • the first TLV field includes: a VM identification TLV field, a virtual machine monitor identification TLV field, and a server identification TLV field.
  • the location information of the VNF network element is jointly identified by the VM identifier, the virtual machine monitor identifier, and the server identifier, where the server identifier may be server information, and the server information may be an IP address and a MAC address of the server.
  • FIG. 7 is a schematic diagram of a format of a first TLV field according to an embodiment of the present invention. As shown in FIG.
  • the first TLV field provided in this embodiment includes: a type (for identifying a location where the information type is a VNF network element) Information, namely VNF_LOC_INFO), Message Length, VM Identity (ID) TLV, Virtual Machine Monitor ID TLV, and Server Information TLV.
  • the VNF resource pool user device is based on any one of the embodiments 1 to 4 of the management method for the virtualized network function network element of the present invention.
  • the VNF network element request message sent to the VNF resource pool management device includes carrying the explicit location policy information.
  • the VNF request message carries the explicit location policy information.
  • the two active (vfW) NEs are on Server1, and the two standby vFW NEs are on Server2, and one vLB NE is on Server3. Then, the VNF resource pool management device can directly obtain the location policy according to the explicit location policy information in the VNF network element request message.
  • the VNF resource pool management device is provided on the basis of any one of the embodiments 1 to 4 of the management method for the virtualized network function network element of the present invention.
  • the VNF resource pool user device stores a location policy information database, where the location policy information database includes a plurality of location policies and corresponding location policy identifiers, and the location policy information database may be directly configured to the VNF resource pool management device by using the network management system.
  • the VNF resource pool user device or through a certain negotiation or notification mechanism, the VNF resource pool management device notifies the VNF resource pool user device to acquire.
  • the VNF resource pool user device may determine the location policy, determine the location policy identifier, and then include the location policy identifier in the VNF network element request message sent to the VNF resource pool management device, and the VNF resource pool management device. Obtaining an identifier of the location policy according to the VNF network element request message, and acquiring the location policy according to the identifier.
  • the VNF network element request message is provided on the basis of any one of the embodiments 1 to 6 of the management method for the virtualized network function network element of the present invention.
  • the preset request message is another newly defined request message.
  • FIG. 8 is a schematic diagram of a format of an extended ASAP handle parsing message according to an embodiment of the present invention. As shown in FIG. 8 , an extended ASAP handle parsing message provided by an embodiment of the present invention is in the prior art.
  • the ASAP handle resolution (ASAP_HANDLE_RESLOUTION) message is added to the VNF network element location policy (VNF_LOC_POLICY).
  • the VNF network element request message in the embodiment of the present invention includes the order relationship of the VNF network element, for example, as shown in FIG. 8; the order relationship of the VNF network element is: the order of each VNF network element is vFW, virtual intrusion A virtual intrusion protection system (vIPS), a virtual antivirus (vV), a virtual application security gateway (vASG), and other network elements.
  • the VNF resource pool management device may further include: the VNF after determining the first VNF network element that meets the attribute information and the location policy from the VNF resource pool according to the VNF network element request message and the location information of the VNF network element in the VNF resource pool.
  • the resource pool management device sorts the first VNF network element according to the order relationship of the VNF network elements.
  • the VNF resource pool management device sends the VNF network element response message to the VNF resource pool user device, and the VNF resource pool management device sends the VNF network including the identifier information of the first VNF network element to the VNF resource pool user device. Meta response message.
  • the VNF resource pool user device receives the VNF network element response message sent by the VNF resource pool management device, and the VNF resource pool user device receives the identifier information of the first VNF network element that is sent by the VNF resource pool management device. VNF network element response message.
  • the embodiment of the present invention is based on any one of the embodiments 1-7 of the method for managing the virtualized network function network element of the present invention, wherein the location policy includes First information and/or second information.
  • the first information is that all the VNF network elements in the function cluster or the working/protection group are deployed on different servers, or all the VNF network elements in the function cluster or the working/protection group are deployed on the same server and All VNF network elements in different virtual machine monitors, or functional clusters or work/protection groups, are deployed on the same server, the same virtual machine monitor, and different virtual memory VMs.
  • the second information is: all VNF network elements in the function cluster or work/protection group are allocated in the same IP subnet, or function cluster or work/protection group. All VNF network elements in the average are allocated in at least two IP subnets.
  • the location policy of the VNF network element may be: four VNF network elements are deployed on different virtual machine monitors.
  • the location policy of the VNF network element may be: the VNF network element is deployed in the same IP sub- In the net.
  • the location policy of the VNF network element may be: all the VNF network elements constituting the function cluster are deployed in different manners. On the virtual machine monitor, or on which virtual machine monitors the newly added VNF network element cannot be deployed.
  • the location policy of the VNF network element may be: the migrated VNF network element cannot be deployed in the virtual machine where the first preset VNF network element is located. On the monitor, it cannot be deployed on the virtual machine monitor where the second preset VNF network element is located. This ensures that the previous reliability configuration is still valid.
  • FIG. 9 is a schematic structural diagram of Embodiment 1 of a VNF resource pool management apparatus according to the present invention.
  • the apparatus in this embodiment may include: a receiving unit 11, a determining unit 12, and a sending unit 13, where the receiving unit 11 is used.
  • Receiving a VNF network element request message sent by the user equipment of the VNF resource pool the VNF network element request message includes attribute information and a location policy of the VNF network element to be requested, and the determining unit 12 is configured to request the message and the VNF according to the VNF network element.
  • the first VNF network element that meets the attribute information and the location policy is determined by the location information of the VNF network element in the resource pool, where the first VNF network element includes at least one VNF network element, and the sending unit 12
  • the VNF network element response message is sent to the VNF resource pool user equipment, where the VNF network element response message includes the identifier information of the first VNF network element.
  • the device in this embodiment may be used to perform the technical solution of the foregoing method embodiment of the present invention.
  • the implementation principle and the technical effect are similar.
  • the apparatus in this embodiment is based on the apparatus structure shown in FIG. 9.
  • the determining unit 12 is specifically configured to use the attribute information in the VNF network element request message. Determining, by the VNF resource pool, the second VNF network element that meets the attribute information; acquiring location information of the second VNF network element; and according to the location information of the second VNF network element and the VNF network element request message And determining, by the location policy, the first VNF network element that meets the location policy from the second VNF network element.
  • the receiving unit 11 is further configured to receive the VNF network element request sent by the VNF resource pool user equipment.
  • the registration message sent by the VNF network element in the VNF resource pool is received, where the registration message includes location information of the VNF network element;
  • the registration message is an extended aggregation server access protocol ASAP registration message or pre- a registration message, where the registration message includes: a virtual host VM identifier TLV field, a virtual machine monitor identifier TLV field, and a server identifier TLV field;
  • the VNF network element request message is an extended ASAP handle parsing message or Default request message.
  • the location policy includes first information and/or second information.
  • the first information is: all VNF network elements in the function cluster or the work/protection group are deployed on different servers, or functions. All VNF network elements in the cluster or work/protection group are deployed on the same server and different virtual machine monitors, or all VNF network elements in the function cluster or work/protection group are deployed on the same server, the same.
  • the second information is: all the VNF network elements in the function cluster or the work/protection group are allocated in the same IP subnet, or the function cluster or the work/protection group All VNF network elements in the average are allocated in at least two IP subnets.
  • the location information of the VNF network element includes: an IP address and a MAC address of a server where the VNF network element is located, an identifier of a virtual machine monitor where the VNF network element is located, and a location where the VNF network element is located.
  • the identity of the VM includes: an IP address and a MAC address of a server where the VNF network element is located, an identifier of a virtual machine monitor where the VNF network element is located, and a location where the VNF network element is located. The identity of the VM.
  • the device in this embodiment may be used to perform the technical solution of the foregoing method embodiment of the present invention.
  • the implementation principle and the technical effect are similar.
  • the above receiving unit 11 may be a receiver or a transceiver
  • the above sending unit 13 may be a transmitter or a transceiver
  • the receiving unit 11 and the transmitting unit 13 may be integrated to form a transceiver unit, corresponding to hardware implementation.
  • the above determining unit 12 may be embedded in the hardware of the VNF resource pool management device in the form of hardware, or may be stored in the memory of the VNF resource pool management device in a software form, so that the processor calls to execute the corresponding units. Operation.
  • the processor can be a CPU, a microprocessor, a microcontroller, or the like.
  • FIG. 10 is a schematic structural diagram of Embodiment 1 of a user equipment of a VNF resource pool according to the present invention.
  • the apparatus in this embodiment may include: a sending unit 21, a receiving unit 22, and a processing unit 23, where the sending unit 21 is used.
  • the VNF network element includes at least one VNF network element
  • the receiving unit 22 is configured to receive the VNF network element response message sent by the VNF resource pool management device, where the VNF network element response message includes the identification information of the first VNF network element.
  • the processing unit 23 is configured to determine the first VNF network element according to the VNF network element response message.
  • the device in this embodiment may be used to perform the technical solution of the foregoing method embodiment of the present invention.
  • the implementation principle and the technical effect are similar.
  • the apparatus of this embodiment is based on the apparatus structure shown in FIG. 10, optionally, the VNF network element request message is an extended aggregation server access protocol ASAP.
  • the handle parses the message or the preset request message.
  • the location policy includes first information and/or second information.
  • the first information is: all VNF network elements in the function cluster or the work/protection group are deployed on different servers, or functions. All VNF network elements in the cluster or work/protection group are deployed on the same server and different virtual machine monitors, or all VNF network elements in the function cluster or work/protection group are deployed on the same server, the same. Virtual machine monitors and different virtual host VMs;
  • the second information is: all the VNF network elements in the function cluster or the working/protection group are allocated in the same IP subnet, or all the VNF network elements in the function cluster or the working/protection group are evenly distributed in at least two. In the IP subnet.
  • the location information of the VNF network element includes: an IP address and a MAC address of a server where the VNF network element is located, an identifier of a virtual machine monitor where the VNF network element is located, and a location where the VNF network element is located.
  • the identity of the VM includes: an IP address and a MAC address of a server where the VNF network element is located, an identifier of a virtual machine monitor where the VNF network element is located, and a location where the VNF network element is located. The identity of the VM.
  • the device in this embodiment may be used to perform the technical solution of the foregoing method embodiment of the present invention.
  • the implementation principle and the technical effect are similar.
  • the above sending unit 21 may be a transmitter or a transceiver
  • the above receiving unit 22 may be a receiver or a transceiver
  • the sending unit 21 and the receiving unit 22 may be integrated to form a transceiver unit, corresponding to hardware implementation.
  • the above processing unit 23 may be embedded in the hardware of the VNF resource pool user device in hardware, or may be stored in the memory of the VNF resource pool user device in a software form, so that the processor calls to execute the above corresponding units. Operation.
  • the processor can be a CPU, a microprocessor, a microcontroller, or the like.
  • FIG. 11 is a schematic structural diagram of Embodiment 1 of a VNF network element management system according to the present invention.
  • the VNF network element management system in this embodiment may include: a VNF network element 31, a VNF resource pool management device 32, and a VNF.
  • the resource pool user device 33 wherein the VNF network element 31 is configured to send a registration message to the VNF resource pool management device, where the registration message includes location information of the VNF network element; the VNF resource pool management device 32 and the VNF network element 31 and the VNF resource respectively
  • the pool user device 33 is connected in a communication manner, and the VNF resource pool management device 32 can adopt the structure of the first or second embodiment of the VNF resource pool management device of the present invention, and correspondingly, the technology of any of the foregoing method embodiments of the present invention can be executed.
  • the implementation principle and technical effects of the solution are similar, and are not described here.
  • the VNF resource pool user device 33 may adopt the structure of the first or second embodiment of the VNF resource pool user device of the present invention, and correspondingly, the foregoing method may be implemented.
  • the technical solution of any of the method embodiments is similar to the technical solution, and details are not described herein again.
  • FIG. 12 is a schematic structural diagram of Embodiment 2 of a management system for a VNF network element according to the present invention.
  • the system of the present embodiment further includes: an aggregation switch 34, based on the structure shown in FIG.
  • the VNF network element 31 is further configured to send the binding message to the aggregation switch 34 to establish a binding relationship with the aggregation switch 34 before sending the registration message to the VNF resource pool management device 32.
  • the aggregation switch 34 is configured to receive The binding message sent by the VNF network element 31 is used to establish a binding relationship with the VNF network element.
  • the binding message includes the virtual card insertion number of the VNF network element.
  • the virtual card of the aggregation switch fails, the virtual card is inserted according to the virtual card. Insert the number and call the VNF network element 31 to replace the physical board.
  • the VNF network element can be used as a virtual plug-in board.
  • the virtual plug-in board does not occupy valuable slot resources, and the functions and performances are similar to physical plug-in boards.
  • the aggregation switch has a physical plug-in board, and at the same time, the VNF resource pool.
  • a VNF network element is used as a virtual plug-in to establish a binding relationship with the aggregation switch.
  • the physical card is used to report the fault and load to the aggregation switch through the heartbeat.
  • the VNF network element 31 can be used to replace the faulty physical card or request the network management. A new virtual card is allocated, a binding is established with the aggregation switch 34, and the failed physical card is replaced.
  • the registration message may further include: a virtual card insertion number of the VNF network element and an identification information of the aggregation switch bound to the VNF network element
  • FIG. 13 is a format of the extended ASAP registration message according to the embodiment of the present invention.
  • the embodiment of the present invention adds a location information TLV of a VNF network element to the ASAP_REGISTRATION message of the prior art, and FIG. 13 only shows The location information TLV of the added VNF network element, where the location information TLV of the VNF network element includes the virtual card slot TLV of the VNF network element and the address of the bound aggregation switch Information TLV.
  • the VNF network element may use the extended ASAP registration message to update the VNF resource pool management device to the information of the aggregation switch that is bound after the service chain is established, or the VNF network element and the aggregation switch preset in the idle state of the resource.
  • the binding information is useful when subsequent VNF network element failure switching or VNF network element dynamic migration or VNF network element service chain establishment and update.
  • the management system of the embodiment may further include: a client 35 and an application layer traffic optimization (ALTO) server 36, wherein the ALTO server 36 can also assume the VNF resource pool management device 32.
  • the function is used to obtain the registration information and the location information of the VNF network element from the VNF network element 31.
  • the client 35 may be configured to send a service request to the VNF resource pool user device 33, where the service request may include a specified tenant, location, or area.
  • the service request is used to request to configure a virtual firewall cluster.
  • the VNF resource pool user device 33 can also be used to query the firewall cluster from the ALTO server 36 for matching service attribute information and VNF location information.
  • the aforementioned program can be stored in a computer readable storage medium.
  • the program when executed, performs the steps including the foregoing method embodiments; and the foregoing storage medium includes various media that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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Abstract

本发明实施例提供一种虚拟化网络功能网元的管理方法、装置和系统，其中，该方法包括：VNF资源池管理装置接收VNF资源池用户装置发送的VNF网元请求消息，所述VNF网元请求消息包括需要请求的VNF网元的属性信息和位置策略；所述VNF资源池管理装置根据所述VNF网元请求消息和VNF资源池中VNF网元的位置信息，从所述VNF资源池中确定符合所述属性信息和位置策略的第一VNF网元，所述第一VNF网元包括至少一个VNF网元；所述VNF资源池管理装置向所述VNF资源池用户装置发送VNF网元响应消息，所述VNF网元响应消息包括所述第一VNF网元的标识信息。从而可以避免VNF网元所构成的功能组不能正常工作的风险。

Description

虚拟化网络功能网元的管理方法、装置和系统 技术领域
本发明实施例涉及通信技术领域，尤其涉及一种虚拟化网络功能网元的管理方法、装置和系统。
背景技术
目前，各大运营商对虚拟化网络功能(Virtual Network Function，简称：VNF)日益重视。VNF包括L3功能的虚拟化和L4-L7功能的虚拟化，其中，L3功能的虚拟化可以包括：虚拟运营商边界设备(virtual Provider Edge，简称：vPE)、虚拟宽带网络网关(virtual Broadband Network Gateway，简称：vBNG)和虚拟数据中心网关(virtual Date Center Gateway，简称：vDC GW)等，L4-L7功能的虚拟化可以包括：虚拟负载均衡设备(virtual Load Balance，简称：vLB)、虚拟广域网优化控制器(virtual Wan optimization Controller，简称：vWoC)和虚拟防火墙设备(virtual Fire Wall，简称：vFW)等。VNF作为一个软件运行实例是运行在特定服务器上的特定虚拟化环境下的，图1为现有技术中VNF的层次化实现方式的示意图，如图1所示，VNF运行在虚拟主机(Virtual Machine，简称：VM)之上，VM运行在虚拟机监视器(Hypervisor)之上，Hypervisor运行在服务器(Server)之上，池注册器(Pool Registrar，简称：PR)基于可信服务器池(Reliable Server Pooling，简称：RserPool)协议对服务器进行管理，图2为现有技术中RserPool协议的架构示意图，如图2所示，服务器作为池元素(Pool Element，简称：PE)位于服务器池中，池注册器对相应的服务器池进行管理，其中，PE与PR之间以及池用户装置(Pool User，简称：PU)与PR之间基于汇聚服务器接入协议(Aggregate Server Access Protocol，简称：ASAP)进行通信，PR与PR之间基于端点句柄空间冗余协议(Endpoint Handlespace Redundancy Protocol，简称：ENRP)协议进行通信，PU与客户端之间以及PU与PE之间基于应用协议进行通信。
现有技术中，为了满足可靠性保证或性能提升需求，有可能需要至少两个VNF网元构成功能组，该功能组可以为功能集群或工作/保护组，PU向PR发送请求消息，PR根据该请求消息中携带的条件参数确定至少两个VNF，然后将确定的至少两个VNF网元反馈给PU，以使PU根据确定的至少两个VNF网元新建功能组。
然而，若构成功能组的至少两个VNF网元运行在同一VM或同一Hypervisor或同一服务器之上，当该VM或该Hypervisor或该服务器发生故障时(也被称为风险共享问题)，则会使得这些VNF所构成的功能组不能正常工作。
发明内容
本发明实施例提供一种虚拟化网络功能网元的管理方法、装置和系统，用以避免VNF所构成的功能组不能正常工作的风险。
第一方面，本发明实施例提供一种虚拟化网络功能网元的管理方法，包括：VNF资源池管理装置接收VNF资源池用户装置发送的VNF网元请求消息，所述VNF网元请求消息包括需要请求的VNF网元的属性信息和位置策略；所述VNF资源池管理装置根据所述VNF网元请求消息和VNF资源池中VNF网元的位置信息，从所述VNF资源池中确定符合所述属性信息和位置策略的第一VNF网元，所述第一VNF网元包括至少一个VNF网元；所述VNF资源池管理装置向所述VNF资源池用户装置发送VNF网元响应消息，所述VNF网元响应消息包括所述第一VNF网元的标识信息。
在第一方面的第一种可能的实现方式中，所述VNF资源池管理装置根据所述VNF网元请求消息和VNF资源池中VNF网元的位置信息，从所述VNF资源池中确定符合所述属性信息和位置策略的第一VNF网元，包括：所述VNF资源池管理装置根据所述VNF网元请求消息中的属性信息，从VNF资源池中确定符合所述属性信息的第二VNF网元；所述VNF资源池管理装置获取所述第二VNF网元的位置信息；所述VNF资源池管理装置根据所述第二VNF网元的位置信息和所述VNF网元请求消息中的位置策略，从所述第二VNF网元中确定符合所述位置策略的所述第一VNF网元。
结合第一方面或第一方面第一种可能的实现方式，在第一方面的第二种可能的实现方式中，所述VNF资源池管理装置接收VNF资源池用户装置发送的 VNF网元请求消息之前，包括：所述VNF资源池管理装置接收所述VNF资源池中VNF网元发送的注册消息，所述注册消息中包括所述VNF网元的位置信息；所述注册消息为扩展后的汇聚服务器接入协议ASAP注册报文或预设的注册报文，所述注册消息中包括：虚拟主机VM标识类型长度值TLV字段、虚拟机监视器标识TLV字段和服务器标识TLV字段；所述VNF网元请求消息为扩展后的ASAP句柄解析报文或预设的请求报文。
结合第一方面或第一方面第一种可能的实现方式或第一方面第二种可能的实现方式，在第一方面的第三种可能的实现方式中，所述位置策略包括第一信息和/或第二信息：所述第一信息为：功能集群或者工作/保护组中的所有VNF网元都部署在不同的服务器上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器和不同的虚拟机监视机上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器、相同的虚拟机监视机和不同的虚拟内存VM上；所述第二信息为：功能集群或者工作/保护组中的所有VNF网元分配在同一个IP子网中，或者，功能集群或者工作/保护组中的所有VNF网元平均分配在至少两个IP子网中。
结合第一方面或第一方面第一种可行的实现方式或第一方面第二种可行的实现方式或第一方面第三种可行的实现方式，在第一方面的第四种可行的实现方式中，所述VNF网元的位置信息包括：所述VNF网元所在的服务器的IP地址和MAC地址、所述VNF网元所在的虚拟机监视器的标识和所述VNF网元所在的VM的标识。
第二方面，本发明实施例提供一种VNF资源池管理装置，包括：接收单元，用于接收VNF资源池用户装置发送的VNF网元请求消息，所述VNF网元请求消息包括需要请求的VNF网元的属性信息和位置策略；确定单元，用于根据所述VNF网元请求消息和VNF资源池中VNF网元的位置信息，从所述VNF资源池中确定符合所述属性信息和位置策略的第一VNF网元，所述第一VNF网元包括至少一个VNF网元；发送单元，用于向所述VNF资源池用户装置发送VNF网元响应消息，所述VNF网元响应消息包括所述第一VNF网元的标识信息。
在第二方面的第一种可能的实现方式中，所述确定单元具体用于根据所述VNF网元请求消息中的属性信息，从VNF资源池中确定符合所述属性信息的第二VNF网元；获取所述第二VNF网元的位置信息；根据所述第二VNF网元的位 置信息和所述VNF网元请求消息中的位置策略，从所述第二VNF网元中确定符合所述位置策略的所述第一VNF网元。
结合第二方面或第二方面的第一种可能的实现方式，在第二方面的第二种可能的实现方式中，所述接收单元还用于接收VNF资源池用户装置发送的VNF网元请求消息之前，接收所述VNF资源池中VNF网元发送的注册消息，所述注册消息中包括所述VNF网元的位置信息；所述注册消息为扩展后的汇聚服务器接入协议ASAP注册报文或预设的注册报文，所述注册消息中包括：虚拟主机VM标识TLV字段、虚拟机监视器标识TLV字段和服务器标识TLV字段；所述VNF网元请求消息为扩展后的ASAP句柄解析报文或预设的请求报文。
结合第二方面或第二方面的第一种可能的实现方式或第二方面的第二种可能的实现方式，在第二方面的第三种可能的实现方式中，所述位置策略包括第一信息和/或第二信息；所述第一信息为：功能集群或者工作/保护组中的所有VNF网元都部署在不同的服务器上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器和不同的虚拟机监视机上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器、相同的虚拟机监视机和不同的虚拟内存VM上；所述第二信息为：功能集群或者工作/保护组中的所有VNF网元分配在同一个IP子网中，或者，功能集群或者工作/保护组中的所有VNF网元平均分配在至少两个IP子网中。
合第二方面或第二方面的第一种可能的实现方式或第二方面的第二种可能的实现方式或第二方面的第三种可能的实现方式，在第二方面的第四种可能的实现方式中，所述VNF网元的位置信息包括：所述VNF网元所在的服务器的IP地址和MAC地址、所述VNF网元所在的虚拟机监视器的标识和所述VNF网元所在的VM的标识。
第三方面，本发明实施例提供一种VNF资源池用户装置，包括：发送单元，用于向VNF资源池管理装置发送VNF网元请求消息，所述VNF网元请求消息包括需要请求的VNF网元的属性信息和位置策略，以使所述VNF资源池管理装置根据所述VNF网元请求消息和VNF资源池中VNF网元的位置信息，从所述VNF资源池中确定符合所述属性信息和位置策略的第一VNF网元，所述第一VNF网元包括至少一个VNF网元；接收单元，用于接收所述VNF资源池管理装置发送的VNF网元响应消息，所述VNF网元响应消息包括所述第一VNF网元的标识信 息；处理单元，用于根据所述VNF网元响应消息，确定所述第一VNF网元。
在第三方面的第一种可能的实现方式中，所述位置策略包括第一信息和/或第二信息；所述第一信息为：功能集群或者工作/保护组中的所有VNF网元都部署在不同的服务器上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器和不同的虚拟机监视机上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器、相同的虚拟机监视机和不同的虚拟主机VM上；所述第二信息为：功能集群或者工作/保护组中的所有VNF网元分配在同一个IP子网中，或者，功能集群或者工作/保护组中的所有VNF网元平均分配在至少两个IP子网中。
结合第三方面或第三方面的第一种可能的实现方式，在第三方面的第二种可能的实现方式中，所述VNF网元的位置信息包括：所述VNF网元所在的服务器的IP地址和MAC地址、所述VNF网元所在的虚拟机监视器的标识和所述VNF网元所在的VM的标识。
第四方面，本发明实施例提供一种VNF的管理系统，包括：VNF网元，用于向VNF资源池管理装置发送注册消息，所述注册消息中包括所述VNF网元的位置信息；所述VNF资源池管理装置，为如本发明实施例第二方面提供的VNF资源池管理装置，分别与所述VNF网元和VNF资源池用户装置通信连接；所述VNF资源池用户装置，为如本发明实施例第三方面提供的的VNF资源池用户装置。
在第四方面的第一种可能的实现方式中，还包括：汇聚交换机，用于接收所述VNF网元发送的绑定消息，以建立与所述VNF的绑定关系，所述绑定消息包括所述VNF网元的虚拟插板插号，当所述汇聚交换机的物理插板发生故障时，根据所述虚拟插板插号，调用所述VNF网元替换所述物理插板；所述VNF网元，还用于向所述汇聚交换机发送所述绑定消息，以建立与所述汇聚交换机的绑定关系；所述注册消息还包括：所述VNF网元的虚拟插板插号和与所述VNF网元绑定的汇聚交换机的标识信息。
本发明实施例提供的虚拟化网络功能网元的管理方法、装置和系统，通过VNF资源池管理装置接收VNF资源池用户装置发送的VNF网元请求消息，根据VNF网元请求消息和VNF资源池中VNF网元的位置信息，从VNF资源池中确定符合属性信息和位置策略的第一VNF网元，VNF资源池管理装置向VNF资源池 用户装置发送VNF网元响应消息。由于VNF资源池管理装置根据位置策略和VNF网元的位置信息确定需要请求的VNF网元，这样可以使得确定的VNF网元全部部署在不同的VM或不同的Hypervisor或不同的服务器上，这样可以避免VNF网元所构成的功能组不能正常工作的风险。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为为现有技术中VNF的层次化实现方式的示意图；
图2为现有技术中RserPool协议的架构示意图；
图3为本发明实施例提供的虚拟化网络功能网元的管理方法的一种应用场景示意图；
图4为本发明虚拟化网络功能网元的管理方法实施例一的流程图；
图5为本发明虚拟化网络功能网元的管理方法实施例二的流程图；
图6为本发明实施例提供的扩展后的ASAP注册报文的格式的一种示意图；
图7为本发明实施例提供的第一TLV字段的格式的一种示意图；
图8为本发明实施例提供的扩展后的ASAP句柄解析报文的格式的一种示意图；
图9为本发明VNF资源池管理装置实施例一的结构示意图；
图10为本发明VNF资源池用户装置实施例一的结构示意图；
图11为本发明VNF网元的管理系统实施例一的结构示意图；
图12为本发明VNF网元的管理系统实施例二的结构示意图；
图13为本发明实施例提供的扩展后的ASAP注册报文的格式的另一种示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然， 所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
图3为本发明实施例提供的虚拟化网络功能网元的管理方法的一种应用场景示意图，如图3所示，云管理系统(Cloud Management System，简称：CMS)装置可以创建VNF网元，其中，创建的所有VNF网元进行VNF资源池化管理，也即所有VNF网元作为可用资源放入资源池中，VNF资源池管理装置根据不同业务的具体需求按需从VNF资源池中分配VNF网元以供VNF资源池用户装置使用，其中，CMS装置与VNF资源池之间可以基于云计算管理协议进行通信，VNF资源池管理装置与CMS装置之间可以基于云管理系统的查询协议进行通信，VNF资源池管理装置与VNF资源池用户装置之间以及VNF资源池管理装置与VNF资源池中的VNF网元之间，都可以基于扩展后的ASAP协议进行通信，VNF资源池管理装置与VNF资源池管理装置之间可以基于扩展后的ENRP协议进行通信。VNF资源池管理装置支持分布式架构，以实现负载分担和提高可靠性，所有VNF资源池管理装置之间通过ENRP协议进行VNF资源池管理装置信息及更新的同步，以及VNF资源池管理装置之间的故障检测和失败VNF资源池管理装置的替换等操作，最终保持VNF资源池管理装置集群的整体可用性和一致性。图3所示的应用场景是本发明虚拟化网络功能网元的管理方法实施例的一种应用场景，本发明实施例并不以此为限。
图4为本发明虚拟化网络功能网元的管理方法实施例一的流程图，如图4所示，本实施例的方法可以包括：
S101、VNF资源池管理装置接收VNF资源池用户装置发送的VNF网元请求消息。
本实施例中，VNF网元请求消息包括需要请求的VNF网元的属性信息和位置策略。其中，所有VNF网元进行VNF资源池化管理，也即所有VNF网元作为可用资源放入资源池中，根据不同业务的具体需求按需从VNF资源池中分配VNF网元以供使用。VNF资源池管理装置可以为管理服务器，VNF资源池用户装置可以为网络管理系统(Network Management System，简称：NMS)服务器或者运营支撑系统(Operation Support System，简称：OSS)服务器。
VNF资源池管理装置可以接收VNF资源池用户装置发送的VNF网元请求消 息，例如：当需要新建或更新功能组时，功能组可以为现有技术中的功能集群，或者，现有技术中的工作/保护组，VNF资源池用户装置可以向VNF资源池管理装置发送VNF网元请求消息，该VNF网元请求消息中包括需要请求的VNF网元的属性信息和需要请求的VNF网元的位置策略，需要请求的VNF网元的属性信息可以为VNF网元的名称、VNF网元的类型(例如vFW、vWoC、vLB、vDPI等)、VNF网元的中央处理器(英文Central Processing Unit，简称：CPU)、VNF网元的内存、VNF网元的存储空间、VNF网元的带宽、VNF网元的接口等。需要请求的VNF网元的位置策略用于指示需要请求的VNF网元的位置关系。
S102、VNF资源池管理装置根据VNF网元请求消息和VNF资源池中VNF网元的位置信息，从VNF资源池中确定符合属性信息和位置策略的第一VNF网元。
本实施例中，VNF资源池管理装置接收到VNF资源池用户装置发送的VNF网元请求消息之后，根据VNF网元请求消息和VNF资源池中所有VNF网元的位置信息，从VNF资源池中确定第一VNF网元，第一VNF网元符合VNF网元请求中的属性信息和位置策略，例如：VNF网元的位置信息可以为VNF网元部署在哪个服务器上，或者部署在哪个虚拟机监视器上，或者部署在哪个VM上。第一VNF网元包括至少一个VNF网元，也就是VNF资源池管理装置可以从VNF资源池中确定符合属性信息和位置策略的至少一个VNF网元。例如：位置策略用于指示需要请求的VNF网元都部署在不同的服务器上，或者需要请求的VNF网元都部署在不同的VM上，或者需要请求的VNF网元都部署在不同的虚拟机监视器上等等。
S103、VNF资源池管理装置向VNF资源池用户装置发送VNF网元响应消息，VNF网元响应消息包括第一VNF网元的标识信息。
本实施例中，VNF资源池确定第一VNF网元之后，VNF资源池管理装置向VNF资源池用户装置发送VNF网元响应消息，该VNF网元响应消息包括第一VNF网元的标识信息，也就是VNF网元响应消息中包括S102中确定的每个VNF网元的标识信息，VNF资源池用户装置根据第一VNF网元的标识信息可以确定第一VNF网元，也即VNF资源池用户装置根据上述确定的每个VNF网元的标识信息，可以确定上述确定的每个VNF网元。从而能灵活实现不同可靠性程度的VNF网元的位置部署，避免了VNF网元下层物理设备或逻辑模块故障导致的VNF网元构成的工能集群或工作/保护组同时失效的问题。
本发明实施例一提供的虚拟化网络功能网元的管理方法，通过VNF资源池管理装置接收VNF资源池用户装置发送的VNF网元请求消息，根据VNF网元请求消息和VNF资源池中VNF网元的位置信息，从VNF资源池中确定符合属性信息和位置策略的第一VNF网元，VNF资源池管理装置向VNF资源池用户装置发送VNF网元响应消息。由于VNF资源池管理装置根据位置策略和VNF网元的位置信息确定需要请求的VNF网元，这样可以使得确定的VNF网元全部部署在不同的VM或不同的Hypervisor或不同的服务器上，这样可以避免VNF网元所构成的功能组不能正常工作的风险。
图5为本发明虚拟化网络功能网元的管理方法实施例二的流程图，如图5所示，本实施例的方法可以包括：
S201、VNF资源池用户装置向VNF资源池管理装置发送VNF网元请求消息。
本实施例中，VNF资源池用户装置可以向VNF资源池管理装置发送VNF网元请求消息，例如：当需要新建或更新功能组时，功能组可以为现有技术中的功能集群，或者，现有技术中的工作/保护组，VNF资源池用户装置可以向VNF资源池管理装置发送VNF网元请求消息，该VNF网元请求消息中包括需要请求的VNF网元的属性信息和需要请求的VNF网元的位置策略，需要请求的VNF网元的位置策略用于指示需要请求的VNF网元的位置关系。这样可以使得VNF资源池管理装置根据VNF网元请求消息和VNF资源池中VNF网元的位置信息，从VNF资源池中确定符合属性信息和位置策略的第一VNF网元，第一VNF网元包括至少一个VNF网元。
S202、VNF资源池用户装置接收VNF资源池管理装置发送的VNF网元响应消息。
本实施例中，VNF资源池管理装置根据VNF网元请求消息和VNF资源池中VNF网元的位置信息，从VNF资源池中确定符合属性信息和位置策略的第一VNF网元之后，向VNF资源池用户装置发送VNF网元响应消息，该VNF网元响应消息包括第一VNF网元的标识信息。因此，VNF资源池用户装置可以接收VNF资源池管理装置发送的VNF网元响应消息。
S203、VNF资源池用户装置根据VNF网元响应消息，确定第一VNF网元。
本实施例中，VNF资源池用户装置可以根据VNF网元响应消息获取第一VNF网元的标识信息，然后根据标识信息确定第一VNF网元，也就是确定的至 少一个VNF网元的标识信息，然后根据该至少一个标识信息，确定至少一个VNF网元。例如：VNF资源池用户装置可以根据确定第一VNF网元新建或者更新功能组，或者，VNF资源池用户装置可以控制导流设备向第一VNF网元进行导流，或者，VNF资源池用户装置可以根据自身的业务的业务需求编排第一VNF网元。
本发明实施例二提供的虚拟化网络功能网元的管理方法，通过VNF资源池用户装置向VNF资源池管理装置发送VNF网元请求消息，接收VNF资源池管理装置发送的VNF网元响应消息，根据VNF网元响应消息，确定第一VNF网元。由于确定的VNF是VNF资源池管理装置根据位置策略和VNF网元的位置信息确定的，这样可以使得确定的VNF网元全部部署在不同的VM或不同的Hypervisor或不同的服务器上，这样可以避免VNF网元所构成的功能组不能正常工作的风险。
在本发明虚拟化网络功能网元的管理方法实施例三中，本发明实施例在本发明虚拟化网络功能网元的管理方法实施例一或本发明方法实施例二的基础上，第一VNF网元的标识信息为第一VNF网元的互联网(Internet Procotol，简称：IP)地址或介质访问控制(Media Access Control，简称：MAC)地址。
在本发明虚拟化网络功能网元的管理方法实施例四中，本发明实施例在本发明虚拟化网络功能网元的管理方法实施例一至三任一实施例的基础上，上述的VNF资源池管理装置根据所述VNF网元请求消息和VNF资源池中VNF网元的位置信息，从所述VNF资源池中确定符合所述属性信息和位置策略的第一VNF网元，包括：所述VNF资源池管理装置根据所述VNF网元请求消息中的属性信息，从VNF资源池中确定符合所述属性信息的第二VNF网元；所述VNF资源池管理装置获取所述第二VNF网元的位置信息；所述VNF资源池管理装置根据所述第二VNF网元的位置信息和所述VNF网元请求消息中的位置策略，从所述第二VNF网元中确定符合所述位置策略的所述第一VNF网元。
在第一种可行的实现方式中，上述的VNF资源池管理装置根据VNF网元请求消息和VNF资源池中VNF网元的位置信息，从VNF资源池中确定符合属性信息和位置策略的第一VNF网元，包括：VNF资源池管理装置根据VNF网元请求消息中的属性信息，从VNF资源池中确定符合属性信息的第二VNF网元；VNF资源池管理装置从云管理系统装置中获取所述第二VNF网元的位置信息，云管理系统装置中存储有VNF资源池中VNF网元的位置信息；VNF资源池管理装置 根据第二VNF网元的位置信息和VNF网元请求消息中的位置策略，从第二VNF网元中确定符合位置策略的第一VNF网元。
本实施例中，云管理系统装置可以创建VNF资源池中的所有VNF网元，并且为创建的VNF网元分配相应的功能，也就是为VNF网元分配属性信息，例如：云管理系统装置创建的一部分VNF网元可以为vFW网元，一部分VNF网元可以为vLB网元等，也就是为VNF分配属性信息，并且云管理系统装置中还存储有VNF资源池中VNF网元的位置信息，可选地，VNF网元的位置信息包括：VNF网元所在的服务器的IP地址和MAC地址、VNF网元所在的虚拟机监视器的标识和VNF网元所在的VM的标识。例如：VNF网元所在的虚拟机监视器的标识可以为VNF网元所在的虚拟机监视器的名称或编号(例如一串数字)或IP地址，VNF网元所在的VM的标识可以为VNF网元所在的VM的名称或编号(例如一串数字)或IP地址。进一步地，VNF网元的位置信息还可以包括VNF网元的虚拟插板插号。VNF资源池管理装置在接收VNF资源池用户装置发送的VNF网元请求消息后，可以根据VNF网元请求消息中的属性信息，从VNF资源池中确定符合属性信息的第二VNF网元，例如：属性信息为需要请求的VNF网元为vFW网元，那么VNF资源池管理装置可以从VNF资源池中确定第二VNF，也即例如：3个vFW网元，由于云管理系统中存储有VNF资源池中VNF网元的位置信息，VNF资源池管理装置从云管理系统装置中获取第二VNF网元的位置信息，也即从云管理系统装置中获取上述3个vFW网元的位置信息，然后VNF资源池管理装置根据第二VNF网元的位置信息和VNF网元请求消息中的位置策略，从第二VNF网元中确定符合位置策略的第一VNF网元，例如：位置策略为需要请求的两个vFW网元部署在不同的服务器上，若3个vFW网元中有两个vFW网元部署在同一个服务器上，一个vFW部署在另一个服务器上，那么VNF资源池管理装置从部署在同一个服务器上的两个vFW网元中选择出一个vFW网元作为第一VNF网元，同时将部署在另一个服务器上的vFW网元也作为第一VNF网元。
在第二种可行的实现方式中，VNF资源池管理装置接收VNF资源池用户装置发送的VNF网元请求消息之前，还包括：VNF资源池管理装置接收VNF资源池中VNF网元发送的位置信息。VNF资源池管理装置根据所述VNF网元请求消息和所述VNF资源池中VNF网元的位置信息，从VNF资源池中确定符合属性信息和位置策略的第一VNF网元，包括：VNF资源池管理装置根据VNF网元请求 消息中的属性信息，从VNF资源池中确定符合所述属性信息的第二VNF网元；从存储在VNF资源池管理装置中的VNF资源池中VNF网元的位置信息中获取第二VNF网元的位置信息，然后根据所述第二VNF网元的位置信息和所述VNF网元请求消息中的位置策略，从所述第二VNF网元中确定符合所述位置策略的所述第一VNF网元。
本实施例中，VNF网元在VNF资源池中创建好之后，VNF网元向VNF资源池管理装置发送该VNF网元的位置信息，VNF网元的位置信息可以包括：VNF网元所在的服务器的IP地址和MAC地址、VNF网元所在的虚拟机监视器的标识和VNF网元所在的VM的标识。例如：VNF网元所在的虚拟机监视器的标识可以为VNF网元所在的虚拟机监视器的名称或编号，VNF网元所在的VM的标识可以为VNF网元所在的VM的名称或编号。进一步地，VNF网元的位置信息还可以包括VNF网元的虚拟插板插号。从而VNF资源池管理装置可以获取并存储VNF网元的位置信息。VNF资源池管理装置在接收VNF资源池用户装置发送的VNF网元请求消息后，可以根据VNF网元请求消息中的属性信息和存储的VNF资源池中VNF网元的位置信息，从VNF资源池中确定符合属性信息和位置策略的第一VNF网元。
可选地，VNF资源池管理装置接收所述VNF资源池中VNF网元发送的位置信息，包括：VNF资源池管理装置接收VNF资源池中VNF网元发送的注册消息，注册消息中包括VNF网元的位置信息，VNF网元向VNF资源池管理装置发送注册消息之后可以成为VNF资源池中可用的一部分。本实施例中，VNF网元在VNF资源池中创建好之后，VNF网元向VNF资源池管理装置发送注册消息，该注册消中可以包括：VNF网元的名称、VNF网元的类型(例如vFW、vWoC、vLB、vDPI等)、VNF网元的CPU、VNF网元的内存、VNF网元的存储空间、VNF网元的带宽、VNF网元的接口等。该注册消息中还可以包括该VNF网元的位置信息。
可选地，上述的注册消息为扩展后的ASAP注册报文或预设的注册报文，其中，预设的注册报文为其它新定义的注册报文，注册消息中包括：虚拟主机VM标识类型长度值(Type Length Value，简称：TLV)字段、虚拟机监视器标识TLV字段和服务器标识TLV字段。
注册消息中包括第一TLV字段，第一TLV字段用于指示VNF的位置信息。图 6为本发明实施例提供的扩展后的ASAP注册报文的格式的一种示意图，如图6所示，本发明实施例提供扩展后的ASAP注册报文是在现有技术的ASAP注册(ASAP_REGISTRATION)报文的基础上增加了VNF网元的位置信息(Location information)TLV。
可选地，第一TLV字段包括：VM标识TLV字段、虚拟机监视器标识TLV字段和服务器标识TLV字段。本实施例中，以VM标识、虚拟机监视器标识和服务器标识共同标识VNF网元的位置信息，其中，服务器标识可以为服务器信息，服务器信息可以为服务器的IP地址和MAC地址。图7为本发明实施例提供的第一TLV字段的格式的一种示意图，如图7所示，本实施例提供的第一TLV字段包括：类型(用于标识信息类型为VNF网元的位置信息，即VNF_LOC_INFO)、信息长度(Message Length)、VM标识(Identity，简称：ID)TLV、虚拟机监视器ID TLV和服务器信息(Information)TLV。
在本发明虚拟化网络功能网元的管理方法实施例五中，本发明实施例在本发明虚拟化网络功能网元的管理方法实施例一至四任一实施例的基础上，VNF资源池用户装置向VNF资源池管理装置发送的VNF网元请求消息包括携带显式的位置策略信息，例如：在需要请求创建工作/保护组的VNF网元时，VNF请求消息中携带显式的位置策略信息可以为：两个工作(active)vFW网元在Server1上，对应的两个备用(standby)vFW网元在Server2上，1个vLB网元在Server3上。那么VNF资源池管理装置可以根据VNF网元请求消息中的显式的位置策略信息直接获取位置策略。
在本发明虚拟化网络功能网元的管理方法实施例六中，本发明实施例在本发明虚拟化网络功能网元的管理方法实施例一至四任一实施例的基础上，VNF资源池管理装置和VNF资源池用户装置中存储有位置策略信息库，该位置策略信息库中包括很多位置策略和相应的位置策略的标识，该位置策略信息库可以是通过网管系统直接配置到VNF资源池管理装置和VNF资源池用户装置，或者通过一定协商或通告机制，由VNF资源池管理装置通知VNF资源池用户装置获取。在这种情况下，VNF资源池用户装置可以确定出位置策略，再确定位置策略的标识，然后向VNF资源池管理装置发送的VNF网元请求消息中包括位置策略的标识，VNF资源池管理装置根据VNF网元请求消息获取位置策略的标识，根据该标识再获取位置策略。
在本发明虚拟化网络功能网元的管理方法实施例七中，本发明实施例在本发明虚拟化网络功能网元的管理方法实施例一至六任一实施例的基础上，VNF网元请求消息为扩展后的ASAP句柄解析报文或预设的请求报文。其中，预设的请求报文为其它新定义的请求报文。图8为本发明实施例提供的扩展后的ASAP句柄解析报文的格式的一种示意图，如图8所示，本发明实施例提供的扩展后的ASAP句柄解板报文是在现有技术中的ASAP句柄解析(ASAP_HANDLE_RESLOUTION)报文的基础上增加了VNF网元的位置策略(VNF_LOC_POLICY)。
进一步地，本发明实施例中的VNF网元请求消息包括VNF网元的顺序关系，例如如图8所示；该VNF网元的顺序关系为：各VNF网元的排序依次为vFW、虚拟入侵保护系统(virtual Intrusion Protection System，简称：vIPS)、虚拟防病毒设备(virtual Anti Virus，简称：vAV)、虚拟应用安全网关(virtual Application Security Gateway，简称：vASG)、其它网元(other)。上述的VNF资源池管理装置根据VNF网元请求消息和VNF资源池中VNF网元的位置信息，从VNF资源池中确定符合属性信息和位置策略的第一VNF网元之后，还可以包括：VNF资源池管理装置根据VNF网元的顺序关系，对所述第一VNF网元进行排序。上述的VNF资源池管理装置向VNF资源池用户装置发送VNF网元响应消息，可以包括：VNF资源池管理装置向VNF资源池用户装置发送包括排序后的第一VNF网元的标识信息的VNF网元响应消息。相应地，VNF资源池用户装置接收VNF资源池管理装置发送的VNF网元响应消息，包括：VNF资源池用户装置接收VNF资源池管理装置发送的包括排序后的第一VNF网元的标识信息的VNF网元响应消息。
在本发明虚拟化网络功能网元的管理方法实施例八中，本发明实施例在本发明虚拟化网络功能网元的管理方法实施例一至七任一实施例的基础上，所述位置策略包括第一信息和/或第二信息。其中，第一信息为：功能集群或者工作/保护组中的所有VNF网元都部署在不同的服务器上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器和不同的虚拟机监视机上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器、相同的虚拟机监视机和不同的虚拟内存VM上。第二信息为：功能集群或者工作/保护组中的所有VNF网元分配在同一个IP子网中，或者，功能集群或者工作/保护组 中的所有VNF网元平均分配在至少两个IP子网中。在第一种可行的实现方式中，在需要创建1组4个VNF网元构成的功能集群时，VNF网元的位置策略可以为：4个VNF网元部署在不同的虚拟机监视器上。在第二种可行的实现方式中，在需要创建2个VNF网元构成的工作/保护(active/standby)VNF组时，VNF网元的位置策略可以为：VNF网元部署在同一个IP子网中。在第三种可行的实现方式中，在需要为已创建的功能集群中再增加一个VNF网元时，VNF网元的位置策略可以为：构成该功能集群的所有VNF网元均部署在不同的虚拟机监视器上，或者，该新增加的VNF网元不能部署在哪些虚拟机监视器上。在第四种可行的实现方式中，在需要VNF网元动态迁移时，VNF网元的位置策略可以为：迁移后的该VNF网元不能部署在第一预设的VNF网元所在的虚拟机监视器上，并且也不能部署在第二预设的VNF网元所在的虚拟机监视器上，这样可以保证之前的可靠性配置依然有效。
图9为本发明VNF资源池管理装置实施例一的结构示意图，如图9所示，本实施例的装置可以包括：接收单元11、确定单元12和发送单元13，其中，接收单元11用于接收VNF资源池用户装置发送的VNF网元请求消息，所述VNF网元请求消息包括需要请求的VNF网元的属性信息和位置策略；确定单元12用于根据所述VNF网元请求消息和VNF资源池中VNF网元的位置信息，从所述VNF资源池中确定符合所述属性信息和位置策略的第一VNF网元，所述第一VNF网元包括至少一个VNF网元；发送单元12用于向所述VNF资源池用户装置发送VNF网元响应消息，所述VNF网元响应消息包括所述第一VNF网元的标识信息。
本实施例的装置，可以用于执行本发明上述方法实施例的技术方案，其实现原理和技术效果类似，详细可以参见本发明上述方法实施例中的相关记载，此处不再赘述。
在VNF资源池管理装置实施例二中，本实施例的装置在图9所示装置结构的基础上，可选地，确定单元12具体用于根据所述VNF网元请求消息中的属性信息，从VNF资源池中确定符合所述属性信息的第二VNF网元；获取所述第二VNF网元的位置信息；根据所述第二VNF网元的位置信息和所述VNF网元请求消息中的位置策略，从所述第二VNF网元中确定符合所述位置策略的所述第一VNF网元。
可选地，接收单元11还用于接收VNF资源池用户装置发送的VNF网元请求 消息之前，接收所述VNF资源池中VNF网元发送的注册消息，所述注册消息中包括所述VNF网元的位置信息；注册消息为扩展后的汇聚服务器接入协议ASAP注册报文或预设的注册报文，所述注册消息中包括：虚拟主机VM标识TLV字段、虚拟机监视器标识TLV字段和服务器标识TLV字段；所述VNF网元请求消息为扩展后的ASAP句柄解析报文或预设的请求报文。
可选地，所述位置策略包括第一信息和/或第二信息；所述第一信息为：功能集群或者工作/保护组中的所有VNF网元都部署在不同的服务器上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器和不同的虚拟机监视机上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器、相同的虚拟机监视机和不同的虚拟内存VM上；所述第二信息为：功能集群或者工作/保护组中的所有VNF网元分配在同一个IP子网中，或者，功能集群或者工作/保护组中的所有VNF网元平均分配在至少两个IP子网中。
可选地，所述VNF网元的位置信息包括：所述VNF网元所在的服务器的IP地址和MAC地址、所述VNF网元所在的虚拟机监视器的标识和所述VNF网元所在的VM的标识。
本实施例的装置，可以用于执行本发明上述方法实施例的技术方案，其实现原理和技术效果类似，详细可以参见本发明上述方法实施例中的相关记载，此处不再赘述。
在硬件实现上，以上接收单元11可以为接收机或收发机，以上发送单元13可以为发射机或收发机，且该接收单元11和发送单元13可以集成在一起构成收发单元，对应于硬件实现为收发机。以上确定单元12可以以硬件形式内嵌于或独立于VNF资源池管理装置的处理器中，也可以以软件形式存储于VNF资源池管理装置的存储器中，以便于处理器调用执行以上各个单元对应的操作。该处理器可以为CPU、微处理器、单片机等。
图10为本发明VNF资源池用户装置实施例一的结构示意图，如图10所示，本实施例的装置可以包括：发送单元21、接收单元22和处理单元23，其中，发送单元21用于向VNF资源池管理装置发送VNF网元请求消息，所述VNF网元请求消息包括需要请求的VNF网元的属性信息和位置策略，以使所述VNF资源池管理装置根据所述VNF网元请求消息和VNF资源池中VNF网元的位置信息，从所述VNF资源池中确定符合所述属性信息和位置策略的第一VNF网元，所述第 一VNF网元包括至少一个VNF网元；接收单元22用于接收所述VNF资源池管理装置发送的VNF网元响应消息，所述VNF网元响应消息包括所述第一VNF网元的标识信息；处理单元23用于根据所述VNF网元响应消息，确定所述第一VNF网元。
本实施例的装置，可以用于执行本发明上述方法实施例的技术方案，其实现原理和技术效果类似，详细可以参见本发明上述方法实施例中的相关记载，此处不再赘述。
在本发明VNF资源池用户装置实施例二中，本实施例的装置在图10所示装置结构的基础上，可选地，所述VNF网元请求消息为扩展后的汇聚服务器接入协议ASAP句柄解析报文或预设的请求报文。
可选地，所述位置策略包括第一信息和/或第二信息；所述第一信息为：功能集群或者工作/保护组中的所有VNF网元都部署在不同的服务器上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器和不同的虚拟机监视机上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器、相同的虚拟机监视机和不同的虚拟主机VM上；
所述第二信息为：功能集群或者工作/保护组中的所有VNF网元分配在同一个IP子网中，或者，功能集群或者工作/保护组中的所有VNF网元平均分配在至少两个IP子网中。
可选地，所述VNF网元的位置信息包括：所述VNF网元所在的服务器的IP地址和MAC地址、所述VNF网元所在的虚拟机监视器的标识和所述VNF网元所在的VM的标识。
本实施例的装置，可以用于执行本发明上述方法实施例的技术方案，其实现原理和技术效果类似，详细可以参见本发明上述方法实施例中的相关记载，此处不再赘述。
在硬件实现上，以上发送单元21可以为发射机或收发机，以上接收单元22可以为接收机或收发机，且该发送单元21和接收单元22可以集成在一起构成收发单元，对应于硬件实现为收发机。以上处理单元23可以以硬件形式内嵌于或独立于VNF资源池用户装置的处理器中，也可以以软件形式存储于VNF资源池用户装置的存储器中，以便于处理器调用执行以上各个单元对应的操作。该处理器可以为CPU、微处理器、单片机等。
图11为本发明VNF网元的管理系统实施例一的结构示意图，如图11所示，本实施例的VNF网元的管理系统可以包括：VNF网元31、VNF资源池管理装置32和VNF资源池用户装置33，其中，VNF网元31用于向VNF资源池管理装置发送注册消息，注册消息中包括VNF网元的位置信息；VNF资源池管理装置32分别与VNF网元31和VNF资源池用户装置33通信连接，VNF资源池管理装置32可以采用本发明VNF资源池管理装置实施例一或二的结构，其对应地，可以执行本发明上述方法实施例中任一方法实施例的技术方案，其实现原理和技术效果类似，此处不再赘述；VNF资源池用户装置33可以采用本发明VNF资源池用户装置实施例一或二的结构，其对应地，可以执行本发明上述方法实施例中任一方法实施例的技术方案，其实现原理和技术效果类似，此处不再赘述。
图12为本发明VNF网元的管理系统实施例二的结构示意图，如图12所示，本实施例的系统在图11所示结构的基础上，进一步地，还可以包括：汇聚交换机34，上述的VNF网元31还用于在向VNF资源池管理装置32发送注册消息之前向汇聚交换机34发送所述绑定消息，以建立与汇聚交换机34的绑定关系；该汇聚交换机34用于接收VNF网元31发送的绑定消息，以建立与VNF网元的绑定关系，绑定消息包括VNF网元的虚拟插板插号，当汇聚交换机的物理插板发生故障时，根据虚拟插板插号，调用VNF网元31替换物理插板。本实施例中，VNF网元可以作为虚拟插板，该虚拟插板不占用宝贵的槽位资源，并且功能和性能与物理插板类似，比如汇聚交换机有一个物理插板，同时，VNF资源池中一个VNF网元作为虚拟插板与汇聚交换机建立绑定关系。物理插板通过心跳检测(heartbeat)向汇聚交换机报告故障和负载情况,当汇聚交换机34发现物理插板发生故障时，可以调用与其绑定的VNF网元31替换故障的物理插板，或者请求网管分配新的虚拟插板，与该汇聚交换机34建立绑定，并替换故障的物理插板。
相应地，注册消息还可以包括：VNF网元的虚拟插板插号和与VNF网元绑定的汇聚交换机的标识信息，图13为本发明实施例提供的扩展后的ASAP注册报文的格式的另一种示意图，如图13所示，本发明实施例在现有技术的ASAP注册(ASAP_REGISTRATION)报文的基础上增加了VNF网元的位置信息(Location information)TLV，图13仅示出了增加的VNF网元的位置信息TLV，该VNF网元的位置信息TLV包括VNF网元的虚拟插板插号TLV和绑定的汇聚交换机的地址 信息TLV。具体地，VNF网元可以利用扩展后的ASAP注册报文向VNF资源池管理装置更新其建立业务链以后的绑定的汇聚交换机的信息或者资源闲置状态下VNF网元与汇聚交换机预置的绑定信息，该绑定信息在后续的VNF网元故障倒换或者VNF网元动态迁移或VNF网元业务链建立和更新时会有用处。
可选地，本实施例的管理系统还可以包括：客户端35和应用层流量优化(Application Layer Traffic Optimization，简称：ALTO)服务器36，其中，ALTO服务器36也可以承担VNF资源池管理装置32的功能，用于从VNF网元31中获取VNF网元的注册信息和位置信息，客户端35可以用于向VNF资源池用户装置33发送业务请求，该业务请求中可以包括指定租户、位置或区域，例如：该业务请求用于请求配置一个虚拟防火墙集群。VNF资源池用户装置33还可以用于从ALTO服务器36中查询匹配业务属性信息和VNF位置信息的防火墙集群。
本领域普通技术人员可以理解：实现上述各方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成。前述的程序可以存储于一计算机可读取存储介质中。该程序在执行时，执行包括上述各方法实施例的步骤；而前述的存储介质包括：ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (15)

  1. 一种虚拟化网络功能VNF网元的管理方法，其特征在于，包括：
    VNF资源池管理装置接收VNF资源池用户装置发送的VNF网元请求消息，所述VNF网元请求消息包括需要请求的VNF网元的属性信息和位置策略；
    所述VNF资源池管理装置根据所述VNF网元请求消息和VNF资源池中VNF网元的位置信息，从所述VNF资源池中确定符合所述属性信息和位置策略的第一VNF网元，所述第一VNF网元包括至少一个VNF网元；
    所述VNF资源池管理装置向所述VNF资源池用户装置发送VNF网元响应消息，所述VNF网元响应消息包括所述第一VNF网元的标识信息。
  2. 根据权利要求1所述的方法，其特征在于，所述VNF资源池管理装置根据所述VNF网元请求消息和VNF资源池中VNF网元的位置信息，从所述VNF资源池中确定符合所述属性信息和位置策略的第一VNF网元，包括：
    所述VNF资源池管理装置根据所述VNF网元请求消息中的属性信息，从VNF资源池中确定符合所述属性信息的第二VNF网元；
    所述VNF资源池管理装置获取所述第二VNF网元的位置信息；
    所述VNF资源池管理装置根据所述第二VNF网元的位置信息和所述VNF网元请求消息中的位置策略，从所述第二VNF网元中确定符合所述位置策略的所述第一VNF网元。
  3. 根据权利要求1或2所述的方法，其特征在于，所述VNF资源池管理装置接收VNF资源池用户装置发送的VNF网元请求消息之前，包括：
    所述VNF资源池管理装置接收所述VNF资源池中VNF网元发送的注册消息，所述注册消息中包括所述VNF网元的位置信息；
    所述注册消息为扩展后的汇聚服务器接入协议ASAP注册报文或预设的注册报文，所述注册消息中包括：虚拟主机VM标识类型长度值TLV字段、虚拟机监视器标识TLV字段和服务器标识TLV字段；
    所述VNF网元请求消息为扩展后的ASAP句柄解析报文或预设的请求报文。
  4. 根据权利要求1-3任意一项所述的方法，其特征在于，所述位置策略包括第一信息和/或第二信息；
    所述第一信息为：功能集群或者工作/保护组中的所有VNF网元都部署在不 同的服务器上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器和不同的虚拟机监视机上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器、相同的虚拟机监视机和不同的虚拟内存VM上；
    所述第二信息为：功能集群或者工作/保护组中的所有VNF网元分配在同一个互联网协议IP子网中，或者，功能集群或者工作/保护组中的所有VNF网元平均分配在至少两个IP子网中。
  5. 根据权利要求1-4任意一项所述的方法，其特征在于，所述VNF网元的位置信息包括：所述VNF网元所在的服务器的IP地址和介质访问控制MAC地址、所述VNF网元所在的虚拟机监视器的标识和所述VNF网元所在的VM的标识。
  6. 一种虚拟化网络功能VNF资源池管理装置，其特征在于，包括：
    接收单元，用于接收VNF资源池用户装置发送的VNF网元请求消息，所述VNF网元请求消息包括需要请求的VNF网元的属性信息和位置策略；
    确定单元，用于根据所述VNF网元请求消息和VNF资源池中VNF网元的位置信息，从所述VNF资源池中确定符合所述属性信息和位置策略的第一VNF网元，所述第一VNF网元包括至少一个VNF网元；
    发送单元，用于向所述VNF资源池用户装置发送VNF网元响应消息，所述VNF网元响应消息包括所述第一VNF网元的标识信息。
  7. 根据权利要求6所述的装置，其特征在于，所述确定单元具体用于根据所述VNF网元请求消息中的属性信息，从VNF资源池中确定符合所述属性信息的第二VNF网元；获取所述第二VNF网元的位置信息；根据所述第二VNF网元的位置信息和所述VNF网元请求消息中的位置策略，从所述第二VNF网元中确定符合所述位置策略的所述第一VNF网元。
  8. 根据权利要求6或7所述的装置，其特征在于，所述接收单元还用于接收VNF资源池用户装置发送的VNF网元请求消息之前，接收所述VNF资源池中VNF网元发送的注册消息，所述注册消息中包括所述VNF网元的位置信息；
    所述注册消息为扩展后的汇聚服务器接入协议ASAP注册报文或预设的注册报文，所述注册消息中包括：虚拟主机VM标识TLV字段、虚拟机监视器标识TLV字段和服务器标识TLV字段；
    所述VNF网元请求消息为扩展后的ASAP句柄解析报文或预设的请求报文。
  9. 根据权利要求6-8任意一项所述的装置，其特征在于，所述位置策略包括第一信息和/或第二信息；
    所述第一信息为：功能集群或者工作/保护组中的所有VNF网元都部署在不同的服务器上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器和不同的虚拟机监视机上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器、相同的虚拟机监视机和不同的虚拟内存VM上；
    所述第二信息为：功能集群或者工作/保护组中的所有VNF网元分配在同一个互联网协议IP子网中，或者，功能集群或者工作/保护组中的所有VNF网元平均分配在至少两个IP子网中。
  10. 根据权利要求6-9任意一项所述的装置，其特征在于，所述VNF网元的位置信息包括：所述VNF网元所在的服务器的IP地址和介质访问控制MAC地址、所述VNF网元所在的虚拟机监视器的标识和所述VNF网元所在的VM的标识。
  11. 一种虚拟化网络功能VNF资源池用户装置，其特征在于，包括：
    发送单元，用于向VNF资源池管理装置发送VNF网元请求消息，所述VNF网元请求消息包括需要请求的VNF网元的属性信息和位置策略，以使所述VNF资源池管理装置根据所述VNF网元请求消息和VNF资源池中VNF网元的位置信息，从所述VNF资源池中确定符合所述属性信息和位置策略的第一VNF网元，所述第一VNF网元包括至少一个VNF网元；
    接收单元，用于接收所述VNF资源池管理装置发送的VNF网元响应消息，所述VNF网元响应消息包括所述第一VNF网元的标识信息；
    处理单元，用于根据所述VNF网元响应消息，确定所述第一VNF网元。
  12. 根据权利要求11所述的装置，其特征在于，所述位置策略包括第一信息和/或第二信息；
    所述第一信息为：功能集群或者工作/保护组中的所有VNF网元都部署在不同的服务器上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器和不同的虚拟机监视机上，或者，功能集群或者工作/保护组中的所有VNF网元都部署在相同的服务器、相同的虚拟机监视机和不同的虚拟主机VM上；
    所述第二信息为：功能集群或者工作/保护组中的所有VNF网元分配在同一 个IP子网中，或者，功能集群或者工作/保护组中的所有VNF网元平均分配在至少两个IP子网中。
  13. 根据权利要求11或12所述的装置，其特征在于，所述VNF网元的位置信息包括：所述VNF网元所在的服务器的IP地址和MAC地址、所述VNF网元所在的虚拟机监视器的标识和所述VNF网元所在的VM的标识。
  14. 一种虚拟化网络功能VNF网元的管理系统，其特征在于，包括：
    VNF网元，用于向VNF资源池管理装置发送注册消息，所述注册消息中包括所述VNF网元的位置信息；
    所述VNF资源池管理装置，为如权利要求6-10任一项所述的VNF资源池管理装置，分别与所述VNF网元和VNF资源池用户装置通信连接；
    所述VNF资源池用户装置，为如权利要求11-13任意一项所述的VNF资源池用户装置。
  15. 根据权利要求14所述的管理系统，其特征在于，还包括：
    汇聚交换机，用于接收所述VNF网元发送的绑定消息，以建立与所述VNF的绑定关系，所述绑定消息包括所述VNF网元的虚拟插板插号，当所述汇聚交换机的物理插板发生故障时，根据所述虚拟插板插号，调用所述VNF网元替换所述物理插板；
    所述VNF网元，还用于向所述汇聚交换机发送所述绑定消息，以建立与所述汇聚交换机的绑定关系；
    所述注册消息还包括：所述VNF网元的虚拟插板插号和与所述VNF网元绑定的汇聚交换机的标识信息。
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