WO2018068768A1 - Procédé et appareil de commande de service à large bande - Google Patents

Procédé et appareil de commande de service à large bande Download PDF

Info

Publication number
WO2018068768A1
WO2018068768A1 PCT/CN2017/106198 CN2017106198W WO2018068768A1 WO 2018068768 A1 WO2018068768 A1 WO 2018068768A1 CN 2017106198 W CN2017106198 W CN 2017106198W WO 2018068768 A1 WO2018068768 A1 WO 2018068768A1
Authority
WO
WIPO (PCT)
Prior art keywords
sfc
nfp
service
information corresponding
network
Prior art date
Application number
PCT/CN2017/106198
Other languages
English (en)
Chinese (zh)
Inventor
吴波
陈勇
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2018068768A1 publication Critical patent/WO2018068768A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/302—Route determination based on requested QoS
    • H04L45/306—Route determination based on the nature of the carried application
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
    • 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
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
    • 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
    • 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
    • H04L41/32—Specific management aspects for broadband networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA

Definitions

  • the present disclosure relates to the field of communication technologies, for example, to a broadband service control method and apparatus.
  • the European Telecommunications Standards Institute (ETSI) Network Function Virtualization (NFV) Management and Orchestrator (MANO) system architecture is used to dynamically create network services.
  • Network services can integrate multiple network functions.
  • the MANO system includes an Orchestrator for dynamically creating and managing Network Services (NS), and NS consists of Virtualized Network Function (VNF) and Physical Network Function (Physical Network Function). , PNF), virtual network function manager (VNF Manager, VNFM) for the creation and management of VNF.
  • Virtualization Infrastructure Manager (VIM) is used to manage Network Function Virtualization Infrastructure (NFVI), including computing, storage, and networking, to dynamically create virtualized resources, including computing, storage, and networking. .
  • the NFV network service can also be used for broadband networks, but the current NFV architecture only manages network resource services and does not manage network services for specific broadband users.
  • Internet can be created using NFV architecture Internet services such as access, video optimization, and network security.
  • NFV architecture Internet services such as access, video optimization, and network security.
  • the present disclosure provides a method for controlling a broadband service, which can be applied to a virtualized broadband remote access server (vBRAS).
  • the method may include:
  • the method before the sending the network forwarding path NFP ID and the outer layer encapsulation information corresponding to the SFC ID to the transponder, the method further includes: acquiring, by using a network management system (NMS), the SFC ID. NFP ID and outer package information.
  • NMS network management system
  • the method before the sending the NFP ID and the outer layer encapsulation information corresponding to the SFC ID to the repeater, the method further includes: acquiring, by the controller, the NFP ID and the outer package information corresponding to the SFC ID.
  • the method further includes: the NMS sending the SFC ID to a Functions Virtualisation Orchestrator (NFVO), where the NFVO triggers the control
  • NFVO Functions Virtualisation Orchestrator
  • the NMS directly triggers the controller to create an NFP corresponding to the SFC ID.
  • the present disclosure also provides a broadband service control apparatus, which can be applied to a virtualized broadband remote access server vBRAS, and can include:
  • a service chain management module configured to obtain a service chain SFC ID from the authentication authorization accounting AAA server;
  • the path management module is configured to send the NFP ID and the outer package information corresponding to the SFC ID to the forwarder, so that the forwarder sends the service traffic according to the NFP ID and the outer package information corresponding to the SFC ID. Go to the corresponding SF; wherein the outer layer encapsulation information includes the service function SF forwarding information of the next hop.
  • the service chain management module is further configured to acquire, from the network management system NMS, the NFP ID and the outer package information corresponding to the SFC ID.
  • the service chain management module is further configured to: before sending the NFP ID and the outer layer encapsulation information corresponding to the SFC ID to the forwarder, acquiring, by the controller, the NFP and the outer layer corresponding to the SFC ID.
  • Package information
  • the present disclosure also provides a virtualized broadband remote access server, comprising: a processor and a memory, wherein the broadband service control device can be applied to a virtualized broadband remote access server vBRAS, the memory storing computer executable instructions, The following method is implemented when the computer executable instructions are executed by the processor:
  • the present disclosure also provides a broadband service control method, which can be applied to a repeater, including:
  • the present disclosure also provides a broadband service control device that can be applied to a repeater, including:
  • a receiving module configured to receive a network forwarding path NFP ID and outer layer encapsulation information corresponding to a service chain SFC ID of the virtualized broadband remote access server vBRAS; wherein the outer encapsulation information includes a next hop service function SF forwarding information;
  • the forwarding module is configured to transfer user traffic to the corresponding SF according to the NFP ID and the outer package information corresponding to the SFC ID.
  • the present disclosure also provides a repeater, which may include: a processor and a memory, the broadband service control device being applicable to a repeater, the memory storing computer executable instructions, the computer executable instructions being the processor The following methods are implemented during execution:
  • the user traffic is transferred to the corresponding SF according to the NFP ID and the outer package information corresponding to the SFC ID.
  • the present disclosure also provides a computer readable storage medium storing computer executable instructions that, when executed, implement any of the above described broadband service control methods.
  • the present disclosure also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, when the program instructions are executed by a computer, Having the computer perform any of the methods described above.
  • the broadband service control method and device provided by the disclosure can dynamically and flexibly provide different service chains for broadband users under the broadband network virtualization architecture, and realize dynamic service creation of broadband users. Management, thus enabling broadband user access and dynamic changes of services through VNF.
  • FIG. 1 is a schematic structural diagram of an NFV in the related art
  • FIG. 2 is a schematic flowchart of a broadband service control method according to an embodiment
  • FIG. 3a is a schematic structural diagram of a broadband service control apparatus according to an embodiment
  • FIG. 3b is a schematic structural diagram of a hardware of a virtualized broadband remote access server according to an embodiment
  • FIG. 4 is a schematic flowchart of a broadband service control method according to an embodiment
  • FIG. 5 is a schematic structural diagram of a broadband service control apparatus according to an embodiment
  • FIG. 5b is a schematic structural diagram of a hardware of a repeater according to an embodiment
  • FIG. 6 is a schematic structural diagram of a broadband network access system according to an embodiment
  • FIG. 7 is a schematic diagram of a system architecture and a service chain provided by an embodiment
  • FIG. 8 is a schematic diagram of system architecture and interaction provided by an embodiment
  • FIG. 9 is a schematic diagram of system architecture and interaction provided by an embodiment.
  • the broadband network service may include Internet (Internet) access, enterprise interconnection, video optimization, and security services of home users and enterprise users. Users can dynamically select and change services as needed, each of which can be implemented by multiple physical or virtual network functions.
  • Internet Internet
  • enterprise interconnection enterprise interconnection
  • video optimization video optimization
  • security services of home users and enterprise users. Users can dynamically select and change services as needed, each of which can be implemented by multiple physical or virtual network functions.
  • the service chain SFC contains a set of Service Functions (SF) and has a certain ordering relationship.
  • the business chain contains an SF.
  • a service forwarding path (SFP) is specified for the user packet or traffic.
  • the SFP can be a path specified by a strict location or a path specified by a partial location.
  • the path specified by the strict location refers to the location of the specific instance of each SF.
  • the SFC architecture defines a service classification function (SCF), which is used to classify user packets or traffic, and includes a specified NFP in the Network Service Header (NSH) carried in the user packet. ID.
  • the controller Controller
  • the network function virtualization orchestrator NFVO defines the network service.
  • the network service includes the VNF, PNF and VNF FW forwarding table (VNFFG).
  • the VNFFG can represent the VNF forwarding map in the NFVO management domain and the forwarding sequence of the PNF and VNF. .
  • a network service can have multiple VNFFGs, such as the VNFFG of the management plane, the VNFFG of the control plane, and the VNFFG of the data plane.
  • a VNFFG can describe a topology of a network service or part of a network service.
  • a VNFFG consists of a connection point (CP) of a VNF and a pool of service access points (SAP), CP and SAP is connected to the VNF, PNF, and Virtual Link (VL) that make up the network service.
  • a VNFFG contains one or more network forwarding paths NFP.
  • the network service defined in NFVO is not the broadband service of a specific user, but the network service in which the NMS deploys the network resource layer of the broadband network operation.
  • the broadband network service can have multiple NFPs, and the NFP is an SFP in the NFV domain that specifies a strict path. In broadband network operation and maintenance, strict location specified paths help to accurately manage.
  • the broadband network service may include broadband network services in the NFVO domain and network services in the physical network domain.
  • Broadband network services can include: user access gateways, network address translation (NAT), parental control, firewall (FW), and video optimization.
  • Broadband network services can be fully virtualized, all located in the NFVO domain, or part of the network traffic in the NFVO domain. Partially virtualized inside.
  • the service chain of the broadband network service may include a single or multiple NFPs of the NFVO domain, and may also include a service chain SFP of the physical network located outside the NFVO domain.
  • the method and apparatus for controlling broadband services provided by this embodiment can also be applied to a broadband access system. As shown in FIG. 2, this embodiment provides a method for controlling broadband services, which can be applied to a virtual broadband remote access server vBRAS. The method may include steps 210-220.
  • step 210 the vBRAS obtains the SFC ID from the AAA server.
  • the vBRAS sends the NFP ID and the outer package information corresponding to the SFC ID to the forwarder, so that the forwarder forwards the service traffic according to the NFP ID and the outer package information corresponding to the SFC ID.
  • Corresponding SF wherein the outer layer encapsulation information includes SF forwarding information of a next hop.
  • the method before the sending the NFP ID and the outer layer encapsulation information corresponding to the SFC ID to the forwarder, the method further includes: obtaining, by the vBRAS, the NFP ID and the outer package information corresponding to the SFC ID from the NMS.
  • the mapping between the SFC ID and the NFP ID can be created by the NMS and the outer package of the NFP can be configured.
  • An SFC may also have multiple IDs, and one SFC ID can map one or more NFP IDs.
  • the method before the sending the NFP ID and the outer layer encapsulation information corresponding to the SFC ID to the forwarder, the method further includes: obtaining, by the vBRAS, the NFP ID and the outer package information corresponding to the SFC ID.
  • the method further includes: the NMS sends the SFC ID to the NFVO, the NFVO trigger controller creates the NFP corresponding to the SFC ID, and establishes the NFP ID and the SFC ID.
  • the NMS directly triggers the controller to create an NFP corresponding to the SFC ID and establishes a mapping relationship between the NFP ID and the SFC ID.
  • the embodiment further provides a broadband service control apparatus, where the apparatus is applicable to a vBRAS, and the apparatus may include:
  • the service chain management module 31 is configured to obtain an SFC ID from the AAA server;
  • the path management module 32 is configured to identify the NFP ID of the network forwarding path corresponding to the SFC ID.
  • the outer package information is sent to the forwarder, so that the forwarder forwards the service traffic to the corresponding SF according to the NFP ID and the outer package information corresponding to the SFC ID; wherein the outer package information includes The next hop service function SF forwards information.
  • the service chain management module 31 is further configured to: before the NFP ID and the outer layer encapsulation information corresponding to the SFC ID are sent to the forwarder, obtain the NFP corresponding to the SFC ID from the network management system NMS. ID and outer package information.
  • the service chain management module 31 is further configured to: before the NFP ID and the outer layer encapsulation information corresponding to the SFC ID are sent to the forwarder, obtain the NFP ID and the outer layer corresponding to the SFC ID from the controller. Package information.
  • the broadband service control apparatus applied to the vBRAS may further include: a protocol processing module 33 and an AAA module 34, wherein the protocol processing module 33
  • the SFP process is configured to perform a header processing on a user packet that arrives at the vBRAS, such as a packet that is accessed by the user access control plane.
  • the header processing includes processing a network service header NSH, where the NSH includes an NFP ID corresponding to the SFP ID, and the AAA module is configured.
  • 34 is configured to obtain an SFC ID from the AAA server and provide the SFC ID to the service chain management module 31 via the path management module 32.
  • the embodiment further provides a virtualized broadband remote access server vBRAS.
  • the vBRAS may include a processor 310 and a memory 320.
  • the memory 320 stores computer executable instructions, and the computer executable The instructions are implemented by the processor 310 to implement the following methods:
  • the vBRAS can also include a communication interface 330 and a bus 340, wherein the processor 310, the memory 320, and the communication interface 330 can communicate with each other via the bus 340.
  • Communication interface 330 can be used for information transmission.
  • Processor 310 can invoke logic instructions in memory 320 to perform any of the methods of the above-described embodiments.
  • the broadband service control method and device applied to the vBRAS can dynamically and flexibly provide different service chains for the broadband users under the broadband network virtualization architecture, thereby realizing the dynamic service creation and management of the broadband users, thereby VNF enables dynamic changes in broadband user access and services.
  • this embodiment further provides another broadband service control method, which can be applied to a repeater.
  • the method may include steps 410-420.
  • step 410 the network forwarding path NFP ID and the outer layer encapsulation information corresponding to the service chain SFC ID of the vBRAS are received, where the outer layer encapsulation information includes the next hop service function SF forwarding information.
  • step 420 the user traffic is transferred to the SF corresponding to the SFC ID according to the NFP ID and the outer package information corresponding to the SFC ID.
  • the SFC is an abstract service orchestration concept.
  • the SFC ID can be set for multiple service functions.
  • the NFP is the path through which the service traffic flows.
  • One SFC ID can correspond to multiple NFP IDs, and each NFP ID corresponds to the corresponding network forwarding path. After the user goes online, the NFP ID can be determined according to the SFC ID of the service dynamically selected by the user.
  • the NFP ID indicates the network forwarding path NFP of the user traffic, and the user traffic can be forwarded to the corresponding SF via the determined NFP.
  • the embodiment further provides a broadband service control apparatus, which can be applied to a repeater, and the apparatus can include:
  • the receiving module 51 is configured to receive a network forwarding path NFP ID and outer layer encapsulation information corresponding to a service chain SFC ID from the virtualized broadband remote access server vBRAS, where the outer package information
  • the service function SF including the next hop forwards information.
  • the forwarding module 52 is configured to switch the user traffic to the SF corresponding to the SFC ID according to the NFP ID and the outer layer encapsulation information corresponding to the SFC ID.
  • This embodiment further provides another transponder, as shown in FIG. 5b, the transponder may include: a processor 510 and a memory 520, the memory 520 storing computer executable instructions, the computer executable instructions being The processor 510 can implement the following methods when executed:
  • the repeater can also include a communication interface 530 and a bus 540, wherein the processor 510, the memory 520, and the communication interface 530 can communicate with each other via the bus 540.
  • Communication interface 530 can be used for information transfer.
  • Processor 510 can invoke logic instructions in memory 520 to perform any of the methods of the above-described embodiments.
  • the broadband service control method and device applied to the repeater can dynamically and flexibly provide different service chains for the broadband users under the broadband network virtualization architecture, and realize dynamic service creation and management of the broadband users. Therefore, broadband user access and dynamic changes of services are realized through VNF.
  • FIG. 6 is a broadband network access system to which the broadband service control method according to the embodiment is applicable, and the system may include one or more vBRASs, one or more repeaters, and the like.
  • the forwarder receives user traffic from the user-side port and forwards it to other related network elements, such as vBRAS.
  • the vBRAS communicates with the authentication and authorization accounting AAA system through the communication interface, between the vBRAS and the NMS or the controller Controller. Communication connection via the communication interface.
  • vBRAS is set to access authentication and management for broadband users.
  • the AAA system includes a policy control system to provide centralized resource control for broadband users, determine the quality of service (QoS) and bandwidth allocation of the user transmission path, ensure the resource requirements of different services of the user, and complete the connection of the broadband users.
  • QoS quality of service
  • bandwidth allocation of the user transmission path
  • the NMS includes an operation support system (OSS) and a business support system (BSS). It has network operation and maintenance and operation management functions, and can configure and manage vBRAS and other network elements.
  • the controller is configured to control the network connection between the repeater and the VNF, or between a VNF and another VNF. The controller can also control the establishment and management of the business chain.
  • the NFVO may be an Orchestrator in FIG. 1.
  • the NFVO may create a broadband network service related vBRAS or VNF according to the request of the NMS, and may create a VNFFG and a corresponding NFP for the corresponding network service.
  • This embodiment provides a network architecture.
  • a Customer Premise Equipment communicates with a repeater, and the repeater passes different service chains under the control of the vBRAS, such as SFCO, SFC1, SFC2, and SFC3. And SFC4, forward user traffic.
  • CPE Customer Premise Equipment
  • the broadband service control process when the user accesses may include the following steps:
  • step a1 the NMS of the broadband network defines a broadband user service and a service chain for user subscription
  • the NMS defines a network service of a broadband user, and the network service may include four service chains: a service chain SFCO for broadband user access control, and a service chain SFC1 for Internet access. , business chain SFC2 for parental control, and business chain SFC3 for video optimization.
  • SFC1 includes functions such as a repeater and a virtual router (vRouter);
  • SFC2 includes functions such as a repeater, parental control, firewall, and vRouter;
  • SFC3 includes functions such as a forwarder, video optimization, and vRouter.
  • vRouter is connected to the Metropolitan Area Router (MR), and MR is the connection.
  • MR Metropolitan Area Router
  • a router that receives an Internet connection.
  • NMS can dynamically create SFC-related vBRAS, parental control, firewall, video optimization or vRouter VNF (that is, a virtualized router supporting Network Address Translation (NAT) function) through NFVO.
  • VNF can have one or more.
  • the SFCO is deployed to the VNFFG corresponding to the SFC3, and the VNFFG may include multiple NFPs, which may be created by the controller or directly created by the NMS.
  • the NMS can send the SFC ID at the same time.
  • the NMS After receiving the NFP creation request, the NMS establishes and saves the mapping between the SFC ID and the NFP ID.
  • the multiple forwarders and their corresponding vBRAS service paths can simultaneously specify the NFP traffic rule as the user control plane packet type, such as adding the Dynamic Host Configuration Protocol (DHCP). Or the header field of the control packet of the PPP over Ethernet (PPPoE) on the Ethernet to identify the packet type as the control plane packet.
  • the controller After receiving the NFP creation request corresponding to the SFCO, the controller establishes and saves the mapping relationship between the SFC ID and the NFP ID and the NFP traffic rule, and delivers the NFP traffic rule to the forwarder.
  • the forwarder receives the user access control plane message, and adds an NSH to the header of the user access control plane message.
  • the SFP points to the vBRAS instance in the NSH, and carries the user in the metadata part of the NSH.
  • NSH is information used for service chain forwarding. You can add NSH in addition to the original user IP header. To flexibly control the forwarding of NSH packets, you can use the IP in IP method to add the NSH so that the inner layer of the NSH is the IP address of the user and the outer layer is the IP used to provide services for the user IP packets.
  • the above IP in IP can be implemented by a virtual Extensible LAN (VXLAN) or a Generic Routing Encapsulation (GRE) encapsulation.
  • VXLAN virtual Extensible LAN
  • GRE Generic Routing Encapsulation
  • the repeater can also be an SFC classifier.
  • the user access control plane packet may include a PPPoE packet, a DHCP packet, and an Address Reso Protocol (ARP) packet.
  • PPPoE Packet Control Protocol
  • ARP Address Reso Protocol
  • step a3 the user access control plane message arrives at the vBRAS through the SFCO, and the protocol processing module of the vBRAS processes the NSH, the peer-to-peer protocol PPPoE header or the dynamic host configuration protocol DHCP header on the Ethernet, and triggers the AAA module and AAA for authentication charging.
  • the server communicates and initiates authentication.
  • step a4 after the AAA server is authenticated, the protocol processing module of the vBRAS completes the control flow in response to the packets such as PPPoE and DHCP.
  • the user management module of the vBRAS saves the user's Internet Protocol (IP) address, media access control (MAC) address, and PPP session ID (PPP) received in the above steps.
  • IP Internet Protocol
  • MAC media access control
  • PPP PPP session ID
  • -Session-ID user-related SFC ID
  • subscription policies such as bandwidth allocation and QoS
  • NSH User access port logical port, and information about the repeater.
  • step a6 the path management module of the vBRAS queries the service chain management module of the vBRAS for the outer package information of the NFP ID and the NFP ID corresponding to the SFC ID to redirect the user traffic to the outer layer encapsulation of the second or third layer.
  • the service chain management module of the vBRAS can obtain and maintain the mapping relationship between the SFC ID and the NFP ID in the following manner:
  • the method is that the vBRAS and the NMS interact to obtain a mapping relationship between the SFC ID and the NFP ID, and the NMS sends a notification to the vBRAS when the NFP is updated;
  • the vBRAS queries the controller for the NFP ID and classifier information associated with the SFC ID.
  • the controller will push the updated NEP to the vBRAS service chain management.
  • the controller can carry the SFC ID when the NFP is created by the NFVO, so as to establish the mapping relationship between the SFC ID and the NFP ID, and the SFC ID can be carried by the NMS when the NFP creates the request.
  • the NMS sends the SFC ID to the NFVO, and the NFVO trigger controller creates an NFP ID and establishes a mapping relationship between the NFD ID and the SFC ID.
  • the NMS directly triggers the controller to create an NFP corresponding to the SFC ID and configures a mapping between the NFP ID and the SFC ID.
  • the path management module of the vBRAS sends an NFP traffic rule (rule) and an NFP ID to the forwarder.
  • the NFP traffic rule may include an access interface, a logical interface, a source MAC address, an IP address, and a PPP session. And at least one of VXLAN Network Identifier (VNI) for performing rule matching.
  • VNI VXLAN Network Identifier
  • the NFP traffic rule is used to identify user traffic information, such as a subscription user, a user equipment, or a user application, and the outer package information includes forwarding information for transferring user traffic to the next hop.
  • the outer layer encapsulation information may be added to the packet of the user traffic and forwarded to the next hop route.
  • the outer encapsulation information may include the NFP ID.
  • step a after receiving the user data plane message, the forwarder forwards the user data plane message to the subscribed, different NFP mapped by the SFC ID according to the NFP traffic rule and the NFP ID.
  • the user data packet is user traffic.
  • the user ID and password can be assigned to the user, and the subscription information such as the SFD ID signed by the user is associated with the user, when the user is based on the user ID.
  • the PPPoE packet can carry the user ID and password to authenticate the user.
  • the user can determine the IP address of the user and trigger the delivery of the NFP traffic rule.
  • the user forwards the user according to the NFP traffic rule and the NFP ID.
  • the traffic is forwarded to the NFP of the contracted SFC ID to forward the user traffic.
  • This embodiment further provides a network architecture.
  • the CPE communicates with the forwarder through the access network.
  • the repeater communicates with the self-service payment server (self-service payment VNF) through DC/WAN.
  • the forwarder forwards user traffic through different service chains, such as SFCO, SFC1, SFC2, SFC3 and SFC4, under vBRAS control, between vBRAS and AAA system.
  • the AAA system includes an AAA server
  • the self-service payment VNF has a communication connection with the online business hall system for providing online services to the user
  • the AAA system has a communication connection with the payment system and the online business hall system respectively.
  • SFC1 forwards user traffic to the parental control server.
  • the forwarder forwards user traffic to the virtualized router through SFC2, and the parental control server and the virtualized router access the Internet respectively.
  • the broadband service control process when the SFC ID is modified may include the following steps:
  • step b1 the NMS of the broadband network defines a broadband user self-service payment service.
  • the NMS defines SFC4 as a self-service payment service, and the SFC4 includes a repeater and a self-service payment VNF.
  • the NMS applies to the NFVO to dynamically create a self-service payment VNF, and creates a VNFFG corresponding to the SFC4 and an NFP, which may include a path between one or more repeaters and one or more self-service payment VNFs.
  • the business chain strategy of users who are in arrears will be modified to SFC4.
  • step b2 the user is dialed in, and the flow of the control plane is the same as that in the first embodiment.
  • the vBRAS sends the user information for AAA authentication, and the AAA server returns the user authorization and the SFC ID information related to the service chain policy.
  • the user information may include a MAC address, an IP address, a session ID, or other information carried by the operator in the header of the user packet to prevent fraud, such as an access device ID.
  • step b3 the vBRAS queries the controller for the NFP ID and outer package information corresponding to the SFC4.
  • the outer layer encapsulation information may be information encapsulated by a Layer 2 Tunneling Protocol (L2TP) tunnel.
  • L2TP Layer 2 Tunneling Protocol
  • step b4 the vBRAS delivers the self-service payment SFC related information corresponding to the SFC4 to the forwarder.
  • the self-service payment SFC related information may include user information, an NFP ID, and outer package information.
  • step b5 after the repeater receives the user traffic, the user traffic is transferred to the self-service payment VNF according to the user signing situation, and the user can browse the service package, handle and pay the tariff, and after the payment is successful, the online business hall system directly or through other systems.
  • the user attribute and the service policy are synchronized with the AAA system. For example, after the user pays successfully, the user service link is changed to SFC1, and the webpage push prompts the user to restart the terminal and dials the access network again.
  • the user traffic may include a control plane message and a data plane message.
  • the embodiment also provides a network architecture.
  • the child terminal and the parent terminal communicate with the repeater through the CPE and the access network, and the forwarder forwards the user traffic to the parent control server through the SFC1, and the forwarder virtualizes through the SFC2.
  • the router forwards the user traffic, and the parental control server and the virtualized router respectively access the Internet.
  • the forwarder forwards the user traffic through different service chains (such as SFC1 or SFC2) under the control of the vBRAS, and the vBRAS has a communication connection with the AAA system, wherein
  • the AAA system includes an AAA server.
  • the process of broadband service control may include the following steps:
  • step c1 one home user applies for two types of services, the child terminal applies for parental control service, and the ordinary terminal accesses the Internet normally.
  • the AAA server has two policies for the home user, and the child terminal is identified by the MAC or other user data header field.
  • the SFC ID delivered is SFC2 in Figure 7, and the SFC ID corresponding to the common terminal is SFC1.
  • step c2 the user dials in, the control plane traffic reaches the vBRAS, the vBRAS provides the user information for AAA authentication, and the AAA server returns the user authorization information and the SFC ID related to the SFC policy.
  • the vBRAS queries the controller for the NFP ID and the outer package information of the two SFCs. If the NFP ID and the outer package information of the two SFCs are already in the service chain management module of the vBRAS, the information is obtained. Save directly to the user table.
  • step c4 the vBRAS delivers SFC related information corresponding to SFC1 and SFC2 to the forwarder;
  • the SFC related information may include child terminal identification information and common terminal information, NFP ID, and outer package information.
  • step c5 after the repeater receives the user traffic, if the user traffic is from the child terminal, the user traffic is transferred to the parent control server through the SFC2, and if the user traffic is from the ordinary terminal, the SFC1 is used. The user traffic is forwarded to the virtualization router.
  • the method and device for controlling the broadband service provided in this embodiment, in the process of forwarding the user data packet, strips the control function out, implements the virtualization technology, and controls the forwarding of the user data packet by the controller and the like.
  • Deploying dedicated devices or using dedicated service boards on existing routing architectures can reduce power consumption during traffic forwarding and enable high-performance forwarding.
  • the embodiment further provides a computer readable storage medium storing computer executable instructions, and when the computer executable instructions are executed, implementing any one of the broadband service control methods provided in the foregoing implementation.
  • the foregoing storage medium may be a temporary storage medium or a non-transitory storage medium.
  • the foregoing storage medium includes, but is not limited to, a USB flash drive, a read-only memory (ROM), a random access memory (RAM), a mobile hard disk, a magnetic disk, or an optical disk, and the like, which can store program codes. medium.
  • the processor performs the step of any one of the broadband service control methods provided by the foregoing embodiments according to the stored program code in the storage medium.
  • All or part of the steps in the method provided by the above embodiments may be completed by a program to indicate related hardware (for example, a processor), and the program may be stored in a computer readable storage medium such as a read only memory, a magnetic disk or an optical disk.
  • All or part of the steps of the above embodiments may also be implemented using one or more integrated circuits.
  • Each module or unit in the foregoing embodiment may be implemented in the form of hardware, for example, by an integrated circuit to implement a corresponding function, or may be implemented in the form of a software function module, for example, executed by a processor and stored in a memory. Program or instruction to implement the corresponding function.
  • the above storage medium may include a storage program area and a storage data area, and the storage program area may store an operating system and an application required for at least one function.
  • the storage data area can store data and the like created according to the use of the electronic device.
  • the memory may include, for example, a volatile memory of a random access memory, and may also include a non-volatile memory. For example, at least one disk storage device, flash memory device, or other non-transitory solid state storage device.
  • the logic instructions in the storage medium described above can be implemented in the form of software functional units and sold or used as separate products, the logic instructions can be stored in a computer readable storage medium.
  • the technical solution of the present disclosure may be embodied in the form of a computer software product, which may be stored in a storage medium, and includes a plurality of instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) All or part of the steps of the method described in this embodiment are performed.
  • the broadband service control method and device provided by the present disclosure can realize dynamic and flexible provision of different service chains for broadband users under the broadband network virtualization architecture, and realize dynamic service creation and management of broadband users.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

Procédé et appareil de commande de service à large bande. Le procédé peut comporter les étapes consistant à: acquérir un identifiant de chaîne de fonctions de service (SFC ID) à partir d'un serveur d'authentification, d'autorisation et de comptabilité (AAA); et délivrer un identifiant de trajet de réacheminement en réseau (NFP ID) correspondant au SFC ID et des informations d'encapsulation extérieure à un moyen de réacheminement de telle sorte que le moyen de réacheminement réachemine, d'après le NFP ID correspondant au SFC ID et les informations d'encapsulation extérieure, un trafic de service vers une SF correspondante, les informations d'encapsulation extérieure comportant des informations de réacheminement de fonction de service (SF) du saut suivant.
PCT/CN2017/106198 2016-10-14 2017-10-13 Procédé et appareil de commande de service à large bande WO2018068768A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610898475.6 2016-10-14
CN201610898475.6A CN107959578A (zh) 2016-10-14 2016-10-14 一种宽带业务的控制方法及装置

Publications (1)

Publication Number Publication Date
WO2018068768A1 true WO2018068768A1 (fr) 2018-04-19

Family

ID=61906064

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/106198 WO2018068768A1 (fr) 2016-10-14 2017-10-13 Procédé et appareil de commande de service à large bande

Country Status (2)

Country Link
CN (1) CN107959578A (fr)
WO (1) WO2018068768A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112445941A (zh) * 2020-11-19 2021-03-05 北京思特奇信息技术股份有限公司 一种宽带业务办理的方法和系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1848798A (zh) * 2005-04-12 2006-10-18 中国电信股份有限公司 一种基于业务触发的ip数据流导向系统及方法
CN101232460A (zh) * 2005-03-10 2008-07-30 华为技术有限公司 接入网实现综合业务接入的方法
CN102231669A (zh) * 2011-06-27 2011-11-02 中兴通讯股份有限公司 业务计费方法和装置
CN102624584A (zh) * 2012-03-01 2012-08-01 中兴通讯股份有限公司 链路检测方法及装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101232460A (zh) * 2005-03-10 2008-07-30 华为技术有限公司 接入网实现综合业务接入的方法
CN1848798A (zh) * 2005-04-12 2006-10-18 中国电信股份有限公司 一种基于业务触发的ip数据流导向系统及方法
CN102231669A (zh) * 2011-06-27 2011-11-02 中兴通讯股份有限公司 业务计费方法和装置
CN102624584A (zh) * 2012-03-01 2012-08-01 中兴通讯股份有限公司 链路检测方法及装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DEVAL BHAMARE: "A survey on service function chaining", JOURNAL OF NETWORK AND COMPUTER APPLICATIONS, vol. 75, no. C, 2 September 2016 (2016-09-02), pages 138 - 155, XP055427976 *

Also Published As

Publication number Publication date
CN107959578A (zh) 2018-04-24

Similar Documents

Publication Publication Date Title
US11973686B1 (en) Virtual performance hub
US10547508B1 (en) Network services using pools of pre-configured virtualized network functions and service chains
CN107409089B (zh) 一种在网络引擎中实施的方法及虚拟网络功能控制器
EP3759870B1 (fr) Découpage en tranches de réseau avec des contrats intelligents
JP7290732B2 (ja) データ転送方法及び関連する装置
US9553846B2 (en) Method and system for realizing virtual network
CN103580980B (zh) 虚拟网络自动发现和自动配置的方法及其装置
US9124485B2 (en) Topology aware provisioning in a software-defined networking environment
US20150350912A1 (en) Residential service delivery based on unique residential apn
EP3580897B1 (fr) Procédé et appareil de chaînage de service dynamique avec routage de segment pour bng
EP3117562B1 (fr) Deploiement sans intervention d'un service multi-utilisateurs dans un environnement de reseau domestique
EP3732833B1 (fr) Permettre des services d'itinérance à large bande
US8085791B1 (en) Using layer two control protocol (L2CP) for data plane MPLS within an L2 network access node
WO2018019299A1 (fr) Procédé d'accès à large bande virtuel, unité de commande et système
US20140230044A1 (en) Method and Related Apparatus for Authenticating Access of Virtual Private Cloud
WO2014176740A1 (fr) Classificateur de flux, déclencheur de routage de service, et procédé et système de traitement de message
EP2747350A1 (fr) Procédé et système pour accès à des services de réseau en nuage
CN112422397B (zh) 业务转发方法及通信装置
CN108702324B (zh) 用于用户端lan扩展的装置
CN111262762B (zh) 基于vCPE租户SFC业务链多WAN业务的实现方法及系统
WO2018068768A1 (fr) Procédé et appareil de commande de service à large bande
JP7486597B2 (ja) ダイアルアップ・パケット処理方法、ネットワーク要素、システム、ネットワーク装置
Kempf et al. EPC in the Cloud

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17859741

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17859741

Country of ref document: EP

Kind code of ref document: A1