WO2017066931A1 - 网络功能虚拟化架构中证书的管理方法及装置 - Google Patents
网络功能虚拟化架构中证书的管理方法及装置 Download PDFInfo
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- WO2017066931A1 WO2017066931A1 PCT/CN2015/092386 CN2015092386W WO2017066931A1 WO 2017066931 A1 WO2017066931 A1 WO 2017066931A1 CN 2015092386 W CN2015092386 W CN 2015092386W WO 2017066931 A1 WO2017066931 A1 WO 2017066931A1
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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
- H04L41/28—Restricting access to network management systems or functions, e.g. using authorisation function to access network configuration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0895—Configuration of virtualised networks or elements, e.g. virtualised network function or OpenFlow elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3263—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3263—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
- H04L9/3268—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements using certificate validation, registration, distribution or revocation, e.g. certificate revocation list [CRL]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/40—Network security protocols
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- 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
Definitions
- the present invention relates to the field of network function virtualization, and in particular, to a network function virtualization NFV architecture certificate management method and device.
- Network Function Virtualization enables network device functions to be no longer dependent on dedicated hardware by using common hardware such as x86 and virtualization technology. Resources can be fully flexibly shared to realize rapid development and deployment of new services. Automatic deployment, elastic scaling, fault isolation, and self-healing based on actual business needs.
- the European Telecommunications Standards Institute (ETSI) established the NFV Industry Standard Group (ISG) in October 2012 to define the requirements for operator network function virtualization and related technical reports.
- Leverage IT's virtualization technology to enable partial network functions in general-purpose, high-performance servers, switches, and storage.
- the NFV architecture and basic processes specified by it have been adopted by the industry as standards and implemented in various telecom cloud projects.
- the ultimate goal of NFV is to replace privately-owned network element devices in communication networks with industry-standard X86 servers, storage and switching equipment. This requires network functions to be implemented in software and run on common server hardware, which can be migrated, instantiated, deployed in different locations on the network as needed, and does not require new equipment to be installed.
- NFV's X86-based IT equipment is low-cost and can save operators huge investment costs.
- its open API interface can help operators gain more and more flexible network capabilities, thus changing the network operation.
- VNFs virtualized network functions
- the traditional network node evolves into a virtual node under the new telecommunication architecture and exists in the form of a virtual machine, so that multiple traditional network nodes are jointly deployed on the same physical host, sharing hardware resources, and even with other third-party applications.
- Software sharing resources in addition, in order to facilitate the virtual machine dynamic migration and improve the communication performance between virtual machines in the same virtual machine, the traditional IP network evolves into a virtual network through virtual switches and virtual network adapters, and the virtual machines will directly pass through the virtual Network communication, thereby bypassing traditional physical network devices. But with virtualization, the virtual machines communicate with each other inside the virtual machine.
- Virtual machines communicate with external networks also face security risks, such as mutual attacks between virtual machines, attacks between hosts, hosts, hypervisors, and virtual machines, host applications and virtual machine networks. Intercommunication attacks, attacks on virtual machines through remote maintenance management channels, and external network attacks through network edge nodes. These communication threats to virtualization require virtualized communications to adopt specific security technologies, such as Internet Protocol Security (IPSec), Transport Layer Security (TLS), etc., by establishing secure connections. Ensure the confidentiality and integrity of communications. Establishing a secure connection requires that both communicating entities be configured with certificates based on relevant protocols (eg X.509).
- IPSec Internet Protocol Security
- TLS Transport Layer Security
- the certificate/verification material of the VNF is usually stored in a virtualized Network Function Component (VNFC), which is responsible for managing the certificate/verification material.
- VNFC virtualized Network Function Component
- VNFC virtualized Network Function Component
- the VNFC updates itself or the certificate is updated, other VNFCs belonging to a VNF need to re-acquire the certificate/verification material from the VNFC and update its own local storage. Since both VNF and VNFC are dynamically generated or changed on-demand in software, VNFC requires frequent access to certificate/verification materials.
- the VNFC life cycle is over, the VNFC will also eliminate the locally stored certificate/verification material, which is cumbersome and complicated.
- the embodiment of the invention provides a method and a device for managing a certificate in an NFV architecture, and the method for managing the certificate can effectively manage the certificate in the NFV architecture.
- a method for managing a certificate in a network function virtualization NFV architecture comprising:
- the NFV management and process orchestration system MANO determines a storage network element for storing a certificate of the virtualized network function component VNFC, the storage network element being different from the VNFC; the MANO creates a storage space in the storage network element, The storage space is used to store a certificate of the VNFC; the MANO sends the address of the storage space to the VNFC.
- the MANO creates a storage space in the storage network element of the certificate, and the storage space is used to store the certificate, so that the VNFC directly communicates with other network elements by using the certificate stored in the storage network element, the VNFC
- the certificate is not stored locally. Therefore, in the embodiment of the present invention, the certificate of the VNFC is stored in the storage network element, and the VNFC does not store the certificate locally, but directly The certificate stored in the storage network element is used to communicate with other network elements. Since the VNFC does not store the certificate locally, the VNFC local copy storage, update, and deletion of the certificate are avoided, thereby effectively managing the certificate in the NFV architecture.
- the NFV management and process orchestration system MANO determines a storage network element that stores the certificate of the VNFC, including:
- the MANO determines the storage network element that stores the certificate of the VNFC.
- VNFC application certificate may be in the process of VNFC instantiation or after being instantiated, or may be in the VNFC expansion process or after the expansion.
- VNFC instantiation and the VNFC application certificate are two different processes.
- the VNFC instantiation and the application certificate can be performed simultaneously, or the VNFC can be instantiated and then the certificate is applied.
- VNFC expansion certificate and the VNFC application certificate are two different processes.
- the VNFC expansion and the application certificate can be performed simultaneously, or the VNFC can be expanded first and then the certificate is applied.
- the sending, by the MANO, the address of the storage space to the VNFC includes: the MANO writing the address of the storage space to the storage of the certificate And the management information; the MANO sends the storage and management information of the certificate to the VNFC.
- the storage and management information of the certificate is part of the VNFC instantiation parameter and is used to indicate the address of the storage space. Therefore, after applying for a certificate, the VNFC can obtain the certificate according to the address and further communicate with other network elements.
- the storage and management information of the certificate may be located in the virtualized network function component descriptor VNFCD, and the MANO may send the instantiation parameter information to the VIM, so that the VIM creates the virtual machine VM according to the instantiation parameter, and generates the VNFC.
- the sending, by the MANO, the storage and management information of the certificate to the VNFC includes:
- the VNFC applies for a certificate
- the MANO sends the certificate storage and management information to the VNFC.
- the method further includes: the MANO acquiring the first indication information of the VNFC, where the first indication information is located in the instantiation request message or the VNFCD of the VNFC, where the first indication information is used to indicate the storage network element, where the MANO determines
- the storage network element includes: the MANO determines the storage network element according to the first indication information of the VNFC.
- the first indication message is further used to indicate a management network element of the certificate, where the management network element is used to update the certificate or Abolish management.
- the method further includes: the MANO acquiring a second indication message for creating the VNFC, where the second indication information is located in the instantiation of the VNFC In the request message or the VNFCD, the second indication message is used to indicate a decision network element, where the decision network element is used to determine a storage network element of the certificate, wherein the MANO determines the storage network element, including: the MANO according to the decision network element Determine the result and determine the storage network element.
- the determining network element is further configured to determine a management network element of the certificate, where the management network element is used to update or revoke the certificate. management.
- the NFV management and process orchestration system MANO determines a storage network element that stores the certificate of the VNFC, including: the MANO determines the Storage network element.
- the method further includes: determining, by the MANO, a management network element of the certificate according to a management policy, where the management network element is configured to perform the certificate Update or revoke management.
- the storage network element is a virtual network function orchestrator NFVO, a virtual network function manager VNFM, or a virtualized infrastructure manager VIM.
- the management network element is NFVO, NVFM, or VIM; or the storage network element is a virtual machine VM, and the management network element is NFVO, VFVM, VIM, or Master VNFC; or the storage network element is a Master VNFC, and the management network element is Master VNFC.
- the VNFC certificate is that the VNFC registers the authenticated certificate by the certificate authority CA.
- a method for managing a certificate in a network function virtualization NFV architecture includes: the virtualized network function component VNFC receives an address of a storage space sent by the NFV management and process orchestration system MANO, where the storage space is used. For storing the certificate of the VNFC, the The storage space is located in the storage network element, and the storage network element is different from the VNFC; the VNFC accesses the address of the storage space to obtain the certificate of the VNFC.
- the VNFC directly uses the certificate to communicate with other network elements, and the VNFC does not store the certificate locally.
- the VNFC directly obtains the certificate in the storage network element to communicate with other network elements, and the VNFC does not store the certificate locally. Since the VNFC does not store the certificate locally, the VNFC local copy storage, update, and deletion of the certificate are avoided, thereby effectively managing the certificate in the NFV architecture.
- the method before the virtualized network function component VNFC receives the address of the storage space sent by the MANO, the method further includes:
- the VNFC registers the certificate with the certificate authority CA and obtains the certificate.
- the VNFC sends the certificate to the storage network element, so that the storage network element stores the certificate in the storage space.
- the method further includes: the VNFC receiving a certificate invalidation indication message sent by the management network element, where the VNFC deletes the invalidation indication message according to the invalidation indication message The address of the storage space or the setting of the storage space address is invalid.
- the third aspect provides a network function virtualization NFV architecture NFV management and process orchestration system MANO, the MANO can implement any of the first aspect and its implementation manner, the operation of each module in the MANO
- the functions of the first aspect of the implementation and the corresponding method features in the implementation manner are respectively omitted for brevity.
- a virtualized network function component VNFC in a network function virtualization NFV architecture is provided, and the VNFC can implement any of the second aspect and its implementation manner, and operations of each module in the VNFC / or function, respectively, for the second aspect of the implementation and the corresponding method features in the implementation manner, for brevity, no further details are provided herein.
- a network function virtualization NFV system which is characterized in that:
- the NFV management and process orchestration system MANO in the third aspect such as the virtualized network function component VNFC, the storage network element and the management network element in the fourth aspect;
- the storage network element is configured to store the certificate of the VNFC, the storage The network element is different from the VNFC; the management network element is used to update or revoke the certificate.
- the management network element may be the same as or different from the storage network element.
- a processing apparatus is provided that is applied to an NFV system.
- the processing device can be one or more processors or chips. In other possible cases, the processing device can also be a physical device or a virtual device in the NFV system.
- the processing device is configured to perform the management method of any of the first aspect, the second aspect, and various implementations thereof.
- a computer program product comprising: computer program code, when the computer program code is run by a computing unit, a processing unit or a processor of an NFV system, causing the NFV system to perform the first Aspect, second aspect, and management method of any of the various implementations.
- a computer readable storage medium storing a program causing an NFV system to perform any of the first aspect, the second aspect, and various implementations thereof The management method of the certificate.
- a program for causing an NFV system to perform the management method of any of the above-described first aspect, second aspect, and various implementations thereof.
- the embodiment of the present invention stores the certificate of the VNFC in the storage network element, so that the VNFC does not store the certificate locally, but directly uses the certificate stored in the storage network element to communicate with other network elements, thereby avoiding VNFC local copy storage, update, delete certificates and other operations, thereby effectively managing the certificate in the NFV architecture.
- FIG. 1 is a schematic architectural diagram of an NFV system in accordance with an embodiment of the present invention.
- FIG. 2 is a schematic flow chart of a method for managing a certificate in an NFV architecture according to an embodiment of the present invention.
- FIG. 3 is a schematic flow chart of a method for managing a certificate in an NFV architecture according to another embodiment of the present invention.
- FIG. 4 is a schematic flow chart of a method for managing a certificate in an NFV architecture according to another embodiment of the present invention.
- FIG. 5 is a schematic block diagram of a MANO in an NFV architecture, in accordance with one embodiment of the present invention.
- FIG. 6 is a schematic block diagram of a VNFC in an NFV architecture, in accordance with one embodiment of the present invention.
- FIG. 7 is a schematic block diagram of an NFV architecture MANO in accordance with another embodiment of the present invention.
- FIG. 8 is a schematic block diagram of a VNFC in an NFV architecture according to another embodiment of the present invention.
- FIG. 9 is a schematic block diagram of an NFV system in accordance with one embodiment of the present invention.
- FIG. 1 shows a schematic architectural diagram of an NFV system in accordance with an embodiment of the present invention.
- the NFV reference architecture consists of the following main functional components:
- the NFV Infrastructure (NFVI) 110 provides the virtualization resources needed to support the implementation of NFV, including Commercial Off The Shelf (COTS) hardware, the necessary accelerator components, and virtualization of the underlying hardware. Abstracted software layer.
- COTS Commercial Off The Shelf
- NFVI 110 may include computing hardware 111, storage hardware 112, hardware resource layer composed of network hardware 113, virtualization layer, and virtual computing 114 (eg, virtual machine), virtual storage 115, and virtual network (network hardware) 116. Virtual resource layer.
- VNF Virtual Network Function
- NF Network Function
- EMS Element Management System
- NFV Management and Orchestration or NFV Management and Orchestration (M&O or MANO) 140
- M&O NFV Management and Orchestration
- MANO 140 includes lifecycle management of physical and/or software resources or VNF lifecycle management that orchestrate infrastructure virtualization.
- the MANO 140 focuses on virtualizing specific management tasks in the NFV framework.
- the MANO 140 also interacts with an Operation Support System (OSS)/Business Support System (BSS) 130 (external to the NFV) to allow NFV to be integrated into existing network-wide management landscapes.
- OSS Operation Support System
- BSS Business Support System
- the above components interact through defined reference points so that different entities can be clearly decoupled, resulting in an open and innovative NFV ecosystem. Abstraction and virtualization of reference point processing resources between VNF 121 and NFVI 110 (and between NFVI 110 internal entities), and VNF The host of 121 is hosted so that VNF 121 can not only move from one to another in NFVI 110, but also ensures that different underlying hardware is selected.
- the reference point between MANO 140 and VNF 121 and NFVI 110 (and between NFV M&O internal entities) handles the management and operation of the NFV system.
- the way the related components are designed allows reuse of existing solutions (such as cloud management systems) and also interacts with existing OSS/BSS environments that the NFV system needs to connect to.
- MANO 140 The following functional components are further defined within MANO 140:
- NFV Orchestrator (NFVO) 143 which is mainly responsible for NS lifecycle management, completes network service orchestration functions, and NFVI resource scheduling across multiple VIMs to complete resource orchestration functions.
- the VNF Manager (VNFM) 142 is responsible for lifecycle management of VNF instances. Each VNF is assumed to have an associated VNFM. A VNFM can be assigned to manage a single VNF instance or manage multiple identical or dissimilar types. VNF instance.
- the available capabilities include: VNF instantiation, VNF configuration NFVI resources, VNF instance updates, VNF instance scaling, VNF instance related NFVI performance metrics and event collection, and association with VNF instance related events, VNF instance assisted or automated rehabilitation, VNF Instance termination, VNF instances throughout their lifecycle integrity management, configuration and event reporting between NFVI and EMS assume global coordination and adaptation roles.
- the Virtualized Infrastructure Manager (VIM) 141 is responsible for controlling and managing the computing, storage, and network resources of the NFVI 110, typically within an operator's infrastructure sub-domain.
- a VIM 141 can handle certain types of NFVI resources or can manage multiple types of NFVI resources.
- the available capabilities include: orchestration/upgrade/de-allocation/recycling of NFVI resources, managing the association of virtualized resources with computing, storage, and network resources; managing hardware resources (computing, storage, networking) and software resources (such as hypervisors) Directory; collect and forward performance metrics and events for virtualized resources.
- NS with specific functions can be implemented through multiple NFs.
- the end-to-end NS implemented by the traditional network is completely composed of a Physical Network Function (PNF).
- PNF Physical Network Function
- the end-to-end NS implemented in NFV is generally still PNF at both ends, while the middle is replaced in whole or in part with VNF.
- the function and external interface implemented by each NF is independent of whether it is a PNF or a VNF.
- the topological relationship formed by the link between the VNF and the PNF can be described by a VNF Forwarding Graph (VNFFG), and the characteristics of each NF are described by a corresponding Network Function Descriptor (NFD).
- VNFFG VNF Forwarding Graph
- NFD Network Function Descriptor
- VNF needs to be implemented based on virtual resources (including virtual computing, storage, and network resources) provided by NFVI, which virtualize the corresponding physical resources.
- PNF is directly implemented based on physical resources.
- NFV introduces virtualization to realize hardware and software decoupling of network devices, so that control of services is mainly reflected in PNF and VNF, and performance control. It is mainly reflected in the NFVI, especially the hardware resource level.
- NFV network function virtualization NFV application upgrade
- the interface of each component in the NFV application upgrade process of the NFV system shown in FIG. 1 is defined.
- NFVO calls these interfaces during the application upgrade process to implement an automated process for application upgrades.
- VNFM interface provides the ability to manage VNFs, including the deployment and configuration of VNFs.
- the following table shows some of the interfaces and parameters that implement specific functions in the VNFM interface.
- the VIM interface is used to create and operate the resources provided by the cloud platform, including creating virtual machines, configuring networks, and executing script interfaces.
- the VIM interface can also include a special configuration interface for the VLB, and increase the management of the VNF to different versions of the VNF.
- the following table shows some of the interfaces and parameters that implement specific functions in the VIM interface.
- A3 The management interface of the ENF network element management system to the VNF, including the configuration management interface of the VNF.
- A4 The interactive interface of the VIM to the virtual machine, such as configuring a virtual machine (VM), booting, installing software, and the like.
- VM virtual machine
- FIG. 2 is a schematic flowchart of a method for managing a certificate in an NFV architecture according to an embodiment of the present invention.
- the method of Figure 2 is applicable to the NFV system 100 and can be performed by MANO.
- the method 200 as shown in FIG. 2 includes:
- the NFV management and process orchestration system MANO determines a storage network element, where the storage network element is used to store a certificate of the virtualized network function component VNFC, and the storage network element is different from the VNFC.
- the MANO creates a storage space in the storage network element, where the storage space is used to store a certificate of the VNFC.
- the MANO sends the address of the storage space to the VNFC.
- the NFV management and process orchestration system MANO determines a storage network element storing a certificate of the virtualized network function component VNFC, the storage network element being different from the VNFC; the MANO is in the storage network of the certificate A storage space is created in the element, and the storage space is used to store the certificate, and the MANO sends the address of the storage space to the VNFC, so that the VNFC directly communicates with other network elements by using the certificate stored in the storage network element.
- the certificate is not stored locally by the VNFC.
- the certificate of the VNFC is stored in the storage network element, and the VNFC does not store the certificate locally, but directly communicates with other network elements by using the certificate stored in the storage network element, because the VNFC does not store locally.
- the certificate avoids operations such as VNFC local copy storage, update, and deletion of certificates, thereby enabling efficient management of certificates in the NFV architecture.
- the MANO in the embodiment of the present invention may include: NFVO, VNFM, and VIM.
- the specific action performed by the MANO in the embodiment of the present invention may be performed by any one of NFVO, VNFM, and VIM, depending on the specific situation. The difference is made by VNFM, NFVO or The VIM is implemented, and the embodiment of the present invention does not limit this.
- the VNFC directly uses the certificate in the storage network element.
- the VNFC can obtain a certificate from the storage network element through the address of the storage space, and then use the certificate to communicate with other network elements.
- the other network element may be any network element in the NFV architecture that requires VNFC communication, which is not limited by the embodiment of the present invention.
- the VNF may be composed of at least one lower level component (VNFC). Therefore, one VNF may be deployed on multiple virtual machine VMs, where each VM carries a VNFC,
- the VNFC in the embodiment of the invention is a network function for deploying (installing) virtualization in the VM.
- the certificate in the embodiment of the present invention is a certificate that is held by an entity (for example, a VNFC) for proving the identity of the entity.
- entity for example, a VNFC
- the authentication of the certificate can establish a secure connection between the network elements to ensure communication.
- Confidentiality and integrity for example, the certificate in the embodiment of the present invention may be an X.509-based certificate, which is not limited by the embodiment of the present invention.
- the storage network element determined by the MANO in the embodiment of the present invention may be any network element that can store the certificate in the NFV, which is not limited by the embodiment of the present invention. How to determine the MANO The storage network element will be described in detail below.
- the storage network element in the embodiment of the present invention may also be the VNFC, and may also be implemented when the storage network element is the VNFC.
- the corresponding management network element described below may not be the VNFC, that is, the storage network element and the management network element are not the VNFC.
- the MANO determines a storage network element that stores a certificate of the VNFC.
- VNFC application certificate may be in the process of VNFC instantiation or after being instantiated, or may be in the VNFC expansion process or after the expansion.
- VNFC instantiation and the VNFC application certificate are two different processes.
- the VNFC instantiation and the application certificate can be performed simultaneously, or the VNFC can be instantiated and then the certificate is applied.
- VNFC expansion certificate and the VNFC application certificate are two different processes.
- the VNFC expansion and the application certificate can be performed simultaneously, or the VNFC can be expanded first and then the certificate is applied.
- a VNF is a set of software that is instantiated when needed.
- the instantiation of the so-called VNF is the process of determining and allocating the required virtualization resources for a VNF and installing the VNF instance.
- a VNF can have multiple instances at the same time.
- a new VNFC is created during the instantiation or when the instantiated VNF needs to be scale-out. If there is a need for external communication, the newly created VNFC needs to configure an X.509-based certificate to establish an IPsec or TLS secure connection with the communication peer to protect the confidentiality and integrity of the communication.
- the MANO writes the address of the storage space into the storage and management information of the certificate; the MANO sends the storage and management information of the certificate to the VNFC.
- the storage and management information of the certificate is part of the VNFC instantiation parameter and is used to indicate the address of the storage space.
- the VNFC can obtain the certificate according to the address and further communicate with other network elements.
- the storage and management information of the certificate may be located in the virtualized network function component descriptor VNFCD, and the MANO may send the instantiation parameter information to the VIM, so that the VIM creates the virtual machine VM according to the instantiation parameter, and generates the VNFC.
- the MANO can send the storage and management information of the certificate to the VIM together with the instantiation parameter information of the VNFC, so that the VIM generates the VNFC.
- the MANO in the process of performing the VNFC instantiation with the VNFC application certificate, or in the process of concurrently performing the VNFC expansion with the VNFC application certificate, or After the VNFC is instantiated, during the VNFC application certificate, or after the VNFC is expanded, the MANO sends the storage and management information of the certificate to the VNFC.
- the embodiment of the present invention may be used by the VNFM to send the storage and management information of the certificate to the VNFC through the Ve-Vnfm interface, and the specific embodiment of the present invention does not limit the specific message.
- the certificate can be obtained through the address of the storage space in the storage and management information of the certificate, and communicate with other network elements.
- VNCFD VNFC Descriptor
- the method of the embodiment of the present invention may further include:
- the MANO obtains the first indication information of the VNFC, where the first indication information is located in the instantiation request message or the VNFCD of the VNFC, where the first indication information is used to indicate the storage network element,
- the 210 includes: the MANO determines the storage network element according to the first indication information of the VNFC.
- the first indication message is further used to indicate a management network element of the certificate, where the management network element is used to update or revoke the certificate.
- the MANO determines the storage network element according to the indication of the first indication information, or the MANO determines the storage network element and the management network element according to the indication of the first indication information.
- the first indication message may be a preset policy or the like by an operator or a product provider, and the policy may specify a storage network element of the certificate, or a storage network element and a management network element.
- the management of the certificate by the management network element may include: management of the life cycle of the certificate, for example, update, revoke, etc. of the certificate, and the embodiment of the present invention is not limited thereto.
- the situation that the certificate needs to be updated may include: the life cycle of the VNF, the change of the certificate/verification material application accompanying the life cycle of the VNFC, the change of the certificate/verification material storage accompanying the infrastructure change (such as virtual machine migration, handover) And the certificate timing update, etc., the embodiment of the present invention is not limited thereto.
- the method of the embodiment of the present invention may further include:
- the MANO obtains a second indication message for creating the VNFC, where the second indication information is located in the instantiation request message or VNFCD of the VNFC, where the second indication message is used to indicate a decision network element, and the decision network element is used to determine the certificate.
- Storage network element
- the MANO determines the storage network element according to the determination result of the decision network element.
- the decision network element is further configured to determine a management network element of the certificate, where the management network element is used to update or revoke the certificate.
- the decision network element may be NFVO, VNFM or VIM, etc., and the embodiment of the present invention is not limited thereto.
- the decision network element may be NVFM, and the storage network element and the management network element may be NFVO.
- the second indication message may be a preset policy or the like by the operator or the product provider, and the policy may specify the decision network element to enable the decision network element to determine the storage network element, or the storage network element and the management network element.
- the creator of the certificate storage location described above ie, the decision network element
- the certificate Regulators ie management network elements
- the two can be set to the same network element, in which case the implementation is relatively simple.
- the MANO determines the storage network element according to a management policy.
- the method of the embodiment of the present invention may further include: determining, by the MANO, a management network element of the certificate according to a management policy, where the management network element is used to update or revoke the certificate.
- MANO determines the storage network element according to the management policy, or stores the network element and the management network element.
- MANO can consider storage security and management network elements by MANO according to security or management convenience.
- the storage network element is NFVO, VNFM, or VIM
- the management network element is NFVO, NVFM, or VIM
- the storage network element is a virtual machine VM, and the management network element is NFVO, VFVM, VIM or a main virtualized network function component Master VNFC;
- the storage NE is the master VNFC, and the management NE is the Master VNFC.
- the storage network element is a VNFC other than the VNFC in the VNF
- the storage network element (other VNFC) is called a Master VNFC.
- the certificate of the VNFC is that the VNFC registers the authenticated certificate by the certificate authority CA.
- the VNFC sends the certificate to the storage network element, so that the storage network element stores the certificate.
- FIG. 3 is a schematic flow chart of a method for managing a certificate in an NFV architecture according to another embodiment of the present invention.
- the method shown in FIG. 3 can be performed by a VNFC.
- the method 300 shown in FIG. 3 includes:
- the virtualized network function component VNFC receives the NFV management and process orchestration system The address of the storage space sent by the MANO.
- the storage space is used to store the certificate of the VNFC.
- the storage space is located in the storage network element, and the storage network element is different from the VNFC.
- the VNFC accesses the address of the storage space to obtain a certificate of the VNFC.
- the virtualized network function component VNFC receives the address of the storage space sent by the MANO, and the VNFC accesses the address of the storage space to obtain the certificate of the VNFC, and the VNFC can directly use the certificate to communicate with other network elements, the VNFC local.
- the certificate is not stored.
- the VNFC directly obtains the certificate in the storage network element to communicate with other network elements, and the VNFC does not store the certificate locally. Since the VNFC does not store the certificate locally, the VNFC local copy storage, update, and deletion of the certificate are avoided, thereby effectively managing the certificate in the NFV architecture.
- the method of the embodiment of the present invention may further include:
- the VNFC registers the certificate with the certificate authority CA and obtains the certificate.
- the VNFC sends the certificate to the storage network element, so that the storage network element stores the certificate in the storage space.
- the certificate is sent to the storage network element, so that the storage network element stores the certificate.
- the virtualized network function component VNFC obtains the certificate from the storage network element according to the address of the storage space of the certificate of the VNFC, and the storage network element is different from the VNFC; the VNFC directly uses the The certificate communicates with other network elements, and the VNFC does not store the certificate locally. Since the VNFC does not store the certificate locally, the VNFC local copy storage, update, and deletion of the certificate are avoided, thereby effectively managing the certificate in the NFV architecture.
- the method of the embodiment of the present invention may further include:
- the VNFC receives the certificate invalidation indication message sent by the management network element, and the VNFC deletes the address of the storage space or sets the storage space address to be invalid according to the invalid indication message.
- the management network element sends a certificate invalidation indication message to the VNFC, and the VNFC indicates that the certificate is invalid according to the invalid indication message, and further, the VNFC deletes the address of the storage space. Or set the storage space address is invalid.
- FIG. 4 is a schematic flow chart of a method for managing a certificate in an NFV architecture according to another embodiment of the present invention. The method shown in Figure 4 is applied to the NFV architecture, including:
- MANO receives the trigger signal of the operation.
- This operation includes VNFC instantiation or VNF expansion.
- the trigger signal includes: MANO receives a message that the EMS triggers the request instantiation or expansion triggered by the manual or automatic event, or MANO collects the measurement data from the VNF and finds that the capacity needs to be expanded.
- the extended message includes storage and management information of the certificate of the VNFC;
- the storage and management information of the certificate of the VNFC is stored in the VNFD, and specifically includes: a storage location of the certificate (for example, may be stored in a VM in the NFVI, in a MANO, or in a VNF) and an administrator.
- the MANO performs the calculations required to instantiate and determine the storage resources, including determining the certificate storage space.
- the certificate may be stored in different network elements. If stored in the MANO, execute 403. If stored in the NFVI, for example, stored in the VM, execute 406; if the certificate is required to be stored in the VNFC (called Master VNFC performs step 408, which is described in detail below.
- a certificate storage space is created, and the space address is written into the certificate storage and management information.
- MANO instructs NFVI to create a VM.
- MANO sends the storage and management information of the VNFC certificate to the NFVI.
- NFVI creates a VM and sends a confirmation message to MANO. Then step 410 is performed.
- the certificate is required to be stored in the NFVI, create a certificate storage space and write the space address to the storage and management information of the certificate.
- NFVI installs the VNFC software on the VM machine through a secure boot process. Then step 410 is performed.
- the certificate is required to be stored in the VNFC (referred to as the Master VNFC, and the VNFC can be installed one by one)
- a certificate storage space is created, and the space address is written into the storage and management information of the certificate.
- the storage and management information of the certificate is installed in the VNFC. If the newly installed VNFC and the Master VNFC are the same VNFC, then step 410 is performed, otherwise, 409 is performed.
- the newly installed VNFC instance establishes an internal network connection with the Master VNFC through the NFVI. If the newly installed VNFC and Master VNFC are the same VNFC, this step is omitted.
- the new VNFC instance and the CA perform the certificate registration process. Obtain an official certificate issued by the operator.
- the optional Master VNFC acts as a proxy to replace the new VNFC instance with the CA for certificate enrollment.
- the optional MANO acts as a proxy, replacing the new VNFC instance with the CA for certificate enrollment.
- the new VNFC sends VNFC certificate information to MANO or NFVI or Master VNFC.
- the VNFC certificate information includes: a VNFC certificate.
- VNFC confirms the certificate application to NFVI.
- NFVI confirms the completion of the certificate application to MANO.
- MANO sends a confirmation message to the EMS.
- EMS adds or updates VNFC as a manageable device.
- the MANO determines a particular embodiment of the storage network element based on the first indication message (e.g., a message requesting instantiation or expansion) is shown in FIG.
- the embodiment of the present invention may further include other variants.
- the difference between the other embodiments and FIG. 4 is that the manner of determining the storage network element and the management network element is different.
- the MANO determines the storage network according to the indication of the second indication message.
- the management network element wherein the second indication message is used to indicate the decision network element, the decision network element determines the storage network element and the management network element, and then notifies the MANO of the storage network element and the management network element.
- the MANO is not based on the indication of other messages, but may determine the storage network element and the management network element according to its own management policy.
- FIG. 4 is only intended to help those skilled in the art to understand the embodiments of the present invention, and the embodiments of the present invention are not limited to the specific numerical values or specific examples illustrated.
- a person skilled in the art will be able to make various modifications or changes in the form of the embodiment of FIG. 4, and such modifications or variations are also within the scope of the embodiments of the present invention.
- FIG. 5 is a schematic block diagram of a NNV management and process orchestration system MANO in a network function virtualization NFV architecture, in accordance with one embodiment of the present invention.
- the MANO 500 shown in FIG. 5 can implement various processes involving MANO in the method embodiments of FIG. 2 to FIG. 4, and each of the MANO 500
- the operations and/or functions of the modules are respectively described in the foregoing method embodiments in order to implement the corresponding processes in the method embodiments in FIG. 2 to FIG. 4 . To avoid repetition, the detailed description is omitted here.
- the MANO 500 shown in FIG. 5 includes a first determining unit 510, a creating unit 520, and a transmitting unit 530.
- the first determining unit 510 is configured to determine a storage network element, where the storage network element is used to store a certificate of the virtualized network function component VNFC, the storage network element is different from the VNFC; and the creating unit 520 is configured to be in the storage network.
- a storage space is created in the element, and the storage space is used to store the certificate of the VNFC; the sending unit 530 is configured to send the address of the storage space to the VNFC.
- the VNFC accesses the address of the storage space, obtains the certificate of the VNFC, and directly communicates with other network elements by using the certificate stored in the storage network element, and the VNFC does not store the certificate locally.
- the certificate of the VNFC is stored in the storage network element, and the VNFC does not store the certificate locally, but directly communicates with other network elements by using the certificate stored in the storage network element, because the VNFC does not store locally.
- the certificate avoids operations such as VNFC local copy storage, update, and deletion of certificates, thereby enabling efficient management of certificates in the NFV architecture.
- the first determining unit 510 is specifically configured to determine, before the VNFC application certificate or in the process of applying for a certificate, a storage network element that stores a certificate of the VNFC.
- the sending unit 530 is specifically configured to write the address of the storage space into the storage and management information of the certificate, and send the storage and management information of the certificate to the VNFC.
- the sending unit 530 is specifically used in the process of instantiating the VNFC with the VNFC application certificate, or during the process of concurrently expanding the VNFC with the VNFC application certificate, or After the VNFC is applied for the certificate, the VNFC applies for the certificate, or after the VNFC is expanded, the VNFC application certificate is sent to the VNFC.
- the MANO further includes:
- a first obtaining unit configured to acquire first indication information of the VNFC, where the first indication information is located in an instantiation request message of the VNFC or a virtualized network function component descriptor VNFCD, where the first indication information is used to indicate the Storage network element,
- the first determining unit 510 is specifically configured to determine the save according to the first indication information of the VNFC. Storage network element.
- the first indication message is further used to indicate a management network element of the certificate, where the management network element is used to update or revoke the certificate.
- the MANO further includes:
- a second obtaining unit configured to obtain a second indication message for creating the VNFC, where the second indication information is located in an instantiation request message or a VNFCD of the VNFC, where the second indication message is used to indicate a decision network element, where the decision network element is a storage network element used to determine the certificate,
- the first determining unit 510 is specifically configured to determine the storage network element according to the determination result of the decision network element.
- the decision network element is further configured to determine a management network element of the certificate, where the management network element is used to update or revoke the certificate.
- the first determining unit 510 is specifically configured to determine the storage network element according to a management policy.
- the MANO further includes:
- a second determining unit configured to determine, according to the management policy, a management network element of the certificate, where the management network element is used to update or revoke the certificate.
- the storage network element is a virtual network function orchestrator NFVO, a virtual network function manager VNFM, or a virtualized infrastructure manager VIM, and the management network element is NFVO, NVFM, or VIM; or
- the storage network element is a virtual machine VM, and the management network element is a NFVO, a VFVM, a VIM, or a primary virtualized network function component, the master VNFC; or the storage network element is a master VNFC, and the management network element is a master VNFC.
- the certificate of the VNFC is that the VNFC registers the authenticated certificate by the certificate authority CA.
- FIG. 6 is a schematic block diagram of a VNFC in an NFV architecture, in accordance with one embodiment of the present invention. It should be understood that the VNFC 600 shown in FIG. 6 can implement the processes involved in the VNFC in the method embodiments of FIG. 2 to FIG. 4, and the operations and/or functions of the respective modules in the VNFC 600 are respectively implemented to implement the methods in FIG. 2 to FIG. For the corresponding process in the example, refer to the description in the foregoing method embodiment. To avoid repetition, the detailed description is omitted here.
- the VNFC 600 shown in FIG. 6 includes a first receiving unit 610 and an obtaining unit 620.
- the first receiving unit 610 is configured to receive an address of a storage space sent by the NFV management and process orchestration system MANO, where the storage space is used to store a certificate of the VNFC, the storage space
- the storage network element is located in the storage network element, and the storage network element is different from the VNFC.
- the obtaining unit 620 is configured to access the address of the storage space and obtain the certificate of the VNFC.
- the certificate can be directly used to communicate with other network elements, and the VNFC does not store the certificate locally.
- the VNFC directly obtains the certificate in the storage network element to communicate with other network elements, and the VNFC does not store the certificate locally. Since the VNFC does not store the certificate locally, the VNFC local copy storage, update, and deletion of the certificate are avoided, thereby effectively managing the certificate in the NFV architecture.
- the VNFC 600 may further include: an authentication unit, and specifically, the authentication unit is configured to register the certificate with the certificate authority CA to obtain the certificate.
- the VNFC 600 may further include: a second receiving unit and a deleting unit.
- the second receiving unit is configured to receive a certificate invalidation indication message sent by the management network element
- the deleting unit is configured to delete the address of the storage space or set the storage space address to be invalid according to the invalidation indication message.
- FIG. 7 is a schematic block diagram of a NNV management and process orchestration system MANO in a network function virtualization NFV architecture according to another embodiment of the present invention. It should be understood that the MANO 700 shown in FIG. 7 can implement various processes involving the MANO in the method embodiments of FIG. 2 to FIG. 4 . For the specific functions of the MANO 700, refer to the description in the foregoing method embodiments. To avoid repetition, the detailed description is omitted here. description.
- the MANO 700 shown in FIG. 7 includes a processor 710, a memory 720, a bus system 730, and a transceiver 740.
- the processor 710, the memory 720, and the transceiver 740 are connected by a bus system 730, where the memory 720 is used to store instructions, and the processor 710 is configured to execute an instruction stored in the memory 720 to determine a storage network element, where the storage network element is used.
- the address is sent to the VNFC.
- the VNFC accesses the address of the storage space, obtains the certificate of the VNFC, and directly communicates with other network elements by using the certificate stored in the storage network element, and the VNFC does not store the certificate locally.
- the certificate of the VNFC is stored in the storage network element, and the VNFC does not store the certificate locally, but directly communicates with other network elements by using the certificate stored in the storage network element, because the VNFC does not store locally.
- Certificate which avoids VNFC local copy storage, update, Operations such as deleting certificates can be used to effectively manage certificates in the NFV architecture.
- Processor 710 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 710 or an instruction in a form of software.
- the processor 710 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA), or the like. Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
- DSP digital signal processor
- ASIC application specific integrated circuit
- FPGA Field Programmable Gate Array
- the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a random access memory (RAM), a flash memory, a read-only memory (ROM), a programmable read only memory or an electrically erasable programmable memory, a register, etc. In the storage medium.
- the storage medium is located in the memory 720.
- the processor 710 reads the information in the memory 720 and completes the steps of the foregoing method in combination with hardware.
- the bus system 730 may include a power bus, a control bus, and a status signal bus in addition to the data bus. Wait. However, for clarity of description, various buses are labeled as bus system 730 in the figure.
- the processor 710 is specifically configured to determine, before the VNFC application certificate or during the application for the certificate, a storage network element that stores the certificate of the VNFC.
- the transceiver 740 is specifically configured to write the address of the storage space into the storage and management information of the certificate, and send the storage and management information of the certificate to the VNFC.
- the transceiver 740 is specifically used to communicate
- the VNFC applies for a certificate
- the storage and management information of the certificate is sent to the VNFC.
- the transceiver 740 is further configured to obtain first indication information of the VNFC, where the first indication information is located in the instantiation request message of the VNFC or the virtualized network function component descriptor VNFCD, The first indication information is used to indicate the storage network element,
- the processor 710 is specifically configured to determine the storage network element according to the first indication information of the VNFC.
- the first indication message is further used to indicate a management network element of the certificate, where the management network element is used to update or revoke the certificate.
- the transceiver 740 is further configured to acquire a second indication message for creating the VNFC, where the second indication information is located in an instantiation request message or a VNFCD of the VNFC, where the second indication message is used. Instructing a decision network element, where the decision network element is used to determine a storage network element of the certificate,
- the processor 710 is specifically configured to determine the storage network element according to the determination result of the decision network element.
- the decision network element is further configured to determine a management network element of the certificate, where the management network element is used to update or revoke the certificate.
- the processor 710 is specifically configured to determine the storage network element according to a management policy.
- the processor 710 is further configured to determine, according to the management policy, a management network element of the certificate, where the management network element is used to update or revoke the certificate.
- the storage network element is a virtual network function orchestrator NFVO, a virtual network function manager VNFM, or a virtualized infrastructure manager VIM, and the management network element is NFVO, NVFM, or VIM; or
- the storage network element is a virtual machine VM, and the management network element is a NFVO, a VFVM, a VIM, or a primary virtualized network function component, the master VNFC; or the storage network element is a master VNFC, and the management network element is a master VNFC.
- the certificate of the VNFC is that the VNFC registers the authenticated certificate by the certificate authority CA.
- FIG. 8 is a schematic block diagram of a VNFC in an NFV architecture according to another embodiment of the present invention.
- the VNFC 800 shown in FIG. 8 can implement the processes involved in the VNFC in the method embodiments of FIG. 2 to FIG. 4, and the operations and/or functions of the modules in the VNFC 800 are implemented respectively to implement the methods in FIG. 2 to FIG.
- the corresponding process in the example refer to the description in the foregoing method embodiment. To avoid repetition, the detailed description is omitted here.
- the VNFC 800 includes a processor 810, a memory 820, a bus system 830, and a transceiver 840.
- the processor 810, the memory 820 and the transceiver 840 are connected by a bus system 830 for storing instructions for executing instructions stored by the memory 820.
- the transceiver 840 is configured to receive an address of a storage space sent by the MANO, where the storage space is used
- the certificate of the VNFC is stored in the storage network element, and the storage network element is different from the VNFC.
- the processor 810 is configured to access the address of the storage space to obtain the certificate of the VNFC.
- the certificate can be directly used to communicate with other network elements, and the VNFC does not store the certificate locally.
- the VNFC directly obtains the certificate in the storage network element to communicate with other network elements, and the VNFC does not store the certificate locally. Since the VNFC does not store the certificate locally, the VNFC local copy storage, update, and deletion of the certificate are avoided, thereby effectively managing the certificate in the NFV architecture.
- Processor 810 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 810 or an instruction in a form of software.
- the processor 810 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA), or the like. Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
- DSP digital signal processor
- ASIC application specific integrated circuit
- FPGA Field Programmable Gate Array
- the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a random access memory (RAM), a flash memory, a read-only memory (ROM), a programmable read only memory or an electrically erasable programmable memory, a register, etc. In the storage medium.
- the storage medium is located in the memory 820.
- the processor 810 reads the information in the memory 820 and completes the steps of the foregoing method in combination with hardware.
- the bus system 830 may include a power bus, a control bus, and a status signal bus in addition to the data bus. Wait. However, for clarity of description, various buses are labeled as bus system 830 in the figure.
- the processor 810 is configured to register the certificate with the certificate authority CA to obtain the certificate; the transceiver 840 is further configured to send the certificate to the storage network element, so that the storage network element is in the storage. Store the certificate in space.
- the transceiver 840 is further configured to receive a certificate invalidation indication message sent by the management network element, where the processor 810 is further configured to delete the address of the storage space or set the storage space according to the invalidation indication message. The address is invalid.
- FIG. 9 is a schematic block diagram of a network function virtualization NFV system in accordance with one embodiment of the present invention.
- the NFV system 900 shown in FIG. 9 includes an NFV management and process orchestration system MANO 910, a virtualized network function component VNFC 920, a storage network element 930, and a management network element 940.
- the MANO 910 corresponds to the NFV management and process orchestration system MANO shown in FIG. 5 or FIG. 7, and the VNFC 920 corresponds to the virtualized network function component VNFC shown in FIG. 6 or FIG. 8;
- the storage network element 930 is used for The certificate of the VNFC is stored, and the storage network element 930 is different from the VNFC 920;
- the management network element 940 is used to update or revoke the certificate.
- the NFV system shown in FIG. 9 can implement the various processes in the method embodiments of FIGS. 1 through 4, and the operations and/or functions of the various modules in the NFV system 900, respectively, in order to implement the methods of FIGS. 2 through 4.
- the corresponding process in the embodiment refer to the description in the foregoing method embodiment. To avoid repetition, the detailed description is omitted here.
- system and “network” are used interchangeably herein.
- the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and / or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
- the character "/" in this article generally indicates that the contextual object is an "or" relationship.
- B corresponding to A means that B is associated with A, and B can be determined according to A.
- determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
- the disclosed systems, devices, and methods may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of cells is only a logical function division.
- multiple units or components may be combined or integrated. Go to another system, or some features can be ignored or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.
- the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.
- each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
- Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
- a storage medium may be any available media that can be accessed by a computer.
- computer readable media may comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage media or other magnetic storage device, or can be used for carrying or storing in the form of an instruction or data structure.
- connection may suitably be a computer readable medium.
- software Coaxial cable, fiber optic cable, coaxial cable, fiber optic cable, coaxial cable, fiber optic cable, twisted pair cable, digital subscriber line (DSL), or wireless technology such as infrared, radio, and microwave transmission from a website, server, or other remote source. Twisted pair, DSL, or wireless technologies such as infrared, wireless, and microwave are included in the fixing of the associated medium.
- a disk and a disc include a compact disc (CD), a laser disc, a compact disc, a digital versatile disc (DVD), a floppy disk, and a Blu-ray disc, wherein the disc is usually magnetically copied, and the disc is The laser is used to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.
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Abstract
Description
Claims (31)
- 一种网络功能虚拟化NFV架构中证书的管理方法,其特征在于,包括:NFV管理和流程编排系统MANO确定存储网元,所述存储网元用于存储虚拟化的网络功能组件VNFC的证书,所述存储网元不同于所述VNFC;所述MANO在所述存储网元中创建存储空间,所述存储空间用于存储所述VNFC的证书;所述MANO将所述存储空间的地址发送给所述VNFC。
- 根据权利要求1所述的方法,其特征在于,所述NFV管理和流程编排系统MANO确定存储网元,包括:在所述VNFC申请证书之前或在申请证书过程中,所述MANO确定存储所述VNFC的证书的存储网元。
- 根据权利要求1或2所述的方法,其特征在于,所述MANO将所述存储空间的地址发送给所述VNFC包括:所述MANO将所述存储空间的地址写入所述证书的存储及管理信息中;所述MANO将所述证书的存储及管理信息发送给所述VNFC。
- 根据权利要求3所述的方法,其特征在于,所述MANO将所述证书的存储及管理信息发送给所述VNFC包括:在所述VNFC实例化与所述VNFC申请证书同时进行的过程中,或者,在所述VNFC扩容与所述VNFC申请证书同时进行的过程中,或者,在所述VNFC实例化完成后,所述VNFC申请证书过程中,或者,在所述VNFC扩容后,所述VNFC申请证的过程中,所述MANO将所述证书的存储及管理信息发送给所述VNFC。
- 根据权利要求1至4中任一项所述的方法,其特征在于,所述方法还包括:所述MANO获取所述VNFC的第一指示信息,所述第一指示信息位于所述VNFC的实例化请求消息或虚拟化的网络功能组件描述器VNFCD中,所述第一指示信息用于指示所述存储网元;所述MANO确定存储网元,包括:所述MANO根据所述VNFC的第一指示信息,确定所述存储网元。
- 根据权利要求5所述的方法,其特征在于,所述第一指示消息还用于指示所述证书的管理网元,所述管理网元用于对所述证书进行更新或废除管理。
- 根据权利要求1至4中任一项所述的方法,其特征在于,所述方法还包括:所述MANO获取所述VNFC的第二指示消息,所述第二指示信息位于所述VNFC的实例化请求消息或VNFCD中,所述第二指示消息用于指示决策网元,所述决策网元用于确定所述证书的存储网元,所述MANO确定存储网元,包括:所述MANO根据所述决策网元的确定结果,确定所述存储网元。
- 根据权利要求7所述的方法,其特征在于,所述决策网元还用于确定所述证书的管理网元,所述管理网元用于对所述证书进行更新或废除管理。
- 根据权利要求1至4中任一项所述的方法,其特征在于,所述MANO确定存储网元,包括:所述MANO根据管理策略,确定所述存储网元。
- 根据权利要求9所述的方法,其特征在于,所述方法还包括:所述MANO根据管理策略确定所述证书的管理网元,所述管理网元用于对所述证书进行更新或废除管理。
- 根据权利要求6、8或10中任一项所述的方法,其特征在于,所述存储网元为虚拟网络功能编排器NFVO、虚拟网络功能管理器VNFM或虚拟化基础设施管理器VIM,所述管理网元为NFVO、NVFM或VIM;或者,所述存储网元为虚拟机VM,所述管理网元为NFVO、VFVM、VIM或主虚拟化的网络功能组件Master VNFC;或者,所述存储网元为Master VNFC,所述管理网元为Master VNFC。
- 根据权利要求1至11中任一项所述的方法,其特征在于,所述VNFC的证书为所述VNFC经过证书管理机构CA登记认证后的证书。
- 一种网络功能虚拟化NFV架构中证书的管理方法,其特征在于,包括:虚拟化的网络功能组件VNFC接收NFV管理和流程编排系统MANO发送的存储空间的地址,所述存储空间用于存储所述VNFC的证书,所述存储空间位于存储网元中,所述存储网元不同于所述VNFC;所述VNFC访问所述存储空间的地址,获取所述VNFC的证书。
- 根据权利要求13所述的方法,其特征在于,在虚拟化的网络功能组件VNFC接收MANO发送的存储空间的地址之前,所述方法还包括:所述VNFC向证书管理机构CA登记认证,获得所述证书,所述VNFC向所述存储网元发送所述证书,以便所述存储网元在所述存储空间中存储所述证书。
- 根据权利要求13或14所述的方法,其特征在于,所述方法还包括:所述VNFC接收管理网元发送的证书无效指示消息,所述VNFC根据所述无效指示消息,删除所述存储空间的地址或设置所述存储空间地址无效。
- 一种网络功能虚拟化NFV架构中NFV管理和流程编排系统MANO,其特征在于,包括:第一确定单元,用于确定存储网元,所述存储网元用于存储虚拟化的网络功能组件VNFC的证书,所述存储网元不同于所述VNFC;创建单元,用于在所述存储网元中创建存储空间,所述存储空间用于存储所述VNFC的证书;发送单元,用于将所述存储空间的地址发送给所述VNFC。
- 根据权利要求16所述的MANO,其特征在于,所述第一确定单元具体用于在所述VNFC申请证书之前或在申请证书过程中,确定存储所述VNFC的证书的存储网元。
- 根据权利要求16或17所述的MANO,其特征在于,所述发送单元具体用于将所述存储空间的地址写入所述证书的存储及管理信息中,将所述证书的存储及管理信息发送给所述VNFC。
- 根据权利要求18所述的MANO,其特征在于,所述发送单元具体用于在所述VNFC实例化与所述VNFC申请证书同时进行的过程中,或者,在所述VNFC扩容与所述VNFC申请证书同时进行的过程中,或者,在所述VNFC实例化完成后,所述VNFC申请证书过程中,或者,在所述VNFC扩容后,所述VNFC申请证的过程中,将所述证书的存储及管理信息发送给所述VNFC。
- 根据权利要求16至19中任一项所述的MANO,其特征在于,所述MANO还包括:第一获取单元,用于获取所述VNFC的第一指示信息,所述第一指示信息位于所述VNFC的实例化请求消息或虚拟化的网络功能组件描述器VNFCD中,所述第一指示信息用于指示所述存储网元,所述第一确定单元具体用于根据所述VNFC的第一指示信息,确定所述存储网元。
- 根据权利要求20所述的MANO,其特征在于,所述第一指示消息还用于指示所述证书的管理网元,所述管理网元用于对所述证书进行更新或废除管理。
- 根据权利要求16至19中任一项所述的MANO,其特征在于,所述MANO还包括:第二获取单元,用于获取创建所述VNFC的第二指示消息,所述第二指示信息位于所述VNFC的实例化请求消息或VNFCD中,所述第二指示消息用于指示决策网元,所述决策网元用于确定所述证书的存储网元,所述第一确定单元具体用于根据所述决策网元的确定结果,确定所述存储网元。
- 根据权利要求22所述的MANO,其特征在于,所述决策网元还用于确定所述证书的管理网元,所述管理网元用于对所述证书进行更新或废除管理。
- 根据权利要求16至19中任一项所述的MANO,其特征在于,所述第一确定单元具体用于根据管理策略确定所述存储网元。
- 根据权利要求24所述的MANO,其特征在于,所述MANO还包括:第二确定单元,用于根据管理策略确定所述证书的管理网元,所述管理网元用于对所述证书进行更新或废除管理。
- 根据权利要求21、23或25中任一项所述的MANO,其特征在于,所述存储网元为虚拟网络功能编排器NFVO、虚拟网络功能管理器VNFM或虚拟化基础设施管理器VIM,所述管理网元为NFVO、NVFM或VIM;或者,所述存储网元为虚拟机VM,所述管理网元为NFVO、VFVM、VIM或主虚拟化的网络功能组件Master VNFC;或者,所述存储网元为Master VNFC,所述管理网元为Master VNFC。
- 根据权利要求16至26中任一项所述的MANO,其特征在于,所述VNFC的证书为所述VNFC经过证书管理机构CA登记认证后的证书。
- 一种网络功能虚拟化NFV架构中虚拟化的网络功能组件VNFC,其特征在于,包括:第一接收单元,用于接收NFV管理和流程编排系统MANO发送的存储空间的地址,所述存储空间用于存储所述VNFC的证书,所述存储空间位于存储网元中,所述存储网元不同于所述VNFC;获取单元,用于访问所述存储空间的地址,获取所述VNFC的证书。
- 根据权利要求28所述的VNFC,其特征在于,还包括:认证单元,用于向证书管理机构CA登记认证,获得所述证书;发送单元,用于向所述存储网元发送所述证书,以便所述存储网元在所述存储空间中存储所述证书。
- 根据权利要求28或29所述的VNFC,其特征在于,还包括:第二接收单元,用于接收管理网元发送的证书无效指示消息;删除单元,用于根据所述无效指示消息,删除所述存储空间的地址或设置所述存储空间地址无效。
- 一种网络功能虚拟化NFV系统,其特征在于,包括:如权利要求16至27中任一项所述的NFV管理和流程编排系统MANO、如权利要求28至30中任一项所述的拟化的网络功能组件VNFC、存储网元和管理网元;所述存储网元用于存储所述VNFC的证书,所述存储网元不同于所述VNFC;所述管理网元用于对所述证书进行更新或废除管理。
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ETSI.: "Etsi Gs Nfv-Sec005 V0.0.6: Network Functions Virtualisation (NFV): NFV Security; Certificate Management Guidance", ETSI GROUP SPECIFICATION, 9 October 2015 (2015-10-09), XP014256521 * |
See also references of EP3355543A4 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112688904A (zh) * | 2019-10-18 | 2021-04-20 | 中兴通讯股份有限公司 | 一种安全通道建立方法、电子设备及存储介质 |
US20230007474A1 (en) * | 2021-07-02 | 2023-01-05 | Commscope Technologies Llc | Systems and methods for secure virtualized base station orchestration |
US12010510B2 (en) * | 2021-07-02 | 2024-06-11 | Commscope Technologies Llc | Systems and methods for secure virtualized base station orchestration |
Also Published As
Publication number | Publication date |
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US20180248867A1 (en) | 2018-08-30 |
SG11201802845YA (en) | 2018-05-30 |
CN108028827B (zh) | 2020-09-29 |
EP3355543A4 (en) | 2018-10-24 |
US11070541B2 (en) | 2021-07-20 |
KR20180066148A (ko) | 2018-06-18 |
CN108028827A (zh) | 2018-05-11 |
EP3355543B1 (en) | 2019-08-28 |
EP3355543A1 (en) | 2018-08-01 |
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