WO2017114363A1 - Procédé de traitement de paquet, bng et système de groupement de bng - Google Patents

Procédé de traitement de paquet, bng et système de groupement de bng Download PDF

Info

Publication number
WO2017114363A1
WO2017114363A1 PCT/CN2016/112146 CN2016112146W WO2017114363A1 WO 2017114363 A1 WO2017114363 A1 WO 2017114363A1 CN 2016112146 W CN2016112146 W CN 2016112146W WO 2017114363 A1 WO2017114363 A1 WO 2017114363A1
Authority
WO
WIPO (PCT)
Prior art keywords
bng
user
home
subsequent
module
Prior art date
Application number
PCT/CN2016/112146
Other languages
English (en)
Chinese (zh)
Inventor
张健
孙团会
夏洪淼
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2017114363A1 publication Critical patent/WO2017114363A1/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
    • H04L45/74—Address processing for routing
    • H04L45/745—Address table lookup; Address filtering
    • H04L45/7453—Address table lookup; Address filtering using hashing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
    • H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H04L67/1044—Group management mechanisms 

Definitions

  • the embodiments of the present invention relate to a computer network technology, and in particular, to a packet processing method, a BNG, and a BNG cluster system.
  • the Broadband Access Server has flexible access authentication, effective address management, powerful user management, and provides flexible and flexible services and control functions.
  • the BRAS acts as a broadband access gateway.
  • One type of (Broadband NetworkGateway, BNG for short) is widely used in networks.
  • a dual-machine BNG or a single virtual broadband access gateway is usually used.
  • the dual-machine BNG includes: a primary BNG and a backup BNG; the backup BNG backs up user information in the primary BNG in real time, so that when the primary BNG fails, the backup BNG The service of the primary BNG is taken over; the single-machine vBNG refers to a vBNG deployed in a virtual machine.
  • the dual-machine BNG or vBNG in the prior art can only process message messages of a limited number of users, and the system has poor scalability.
  • the embodiment of the invention provides a packet processing method, a BNG and a BNG cluster system, which not only enhances the scalability of the system, but also implements automatic load balancing.
  • an embodiment of the present invention provides a packet processing method, where the method is applied to a broadband access gateway BNG cluster system;
  • the BNG cluster system includes: at least two BNGs, and the at least two BNGs include a first BNG, the first BNG manages at least one user based on a distributed hash table DHT algorithm;
  • the method includes:
  • the first BNG receives the user message from the first user, and determines whether the first BNG is the home BNG of the first user; the home BNG of the first user is the BNG that manages the first user. ;
  • the first BNG processes the user message; if it is determined that the first BNG is not the home BNG of the first user, The first BNG forwards the user packet to the home BNG of the first user according to the P2P routing table, so that the home BNG of the first user processes the user packet; wherein the P2P routing table is used for At least one successor BNG of the first BNG is indicated.
  • the first BNG determines whether the first BNG is the home BNG of the first user; If the first BNG is determined to be the home BNG of the first user, the first BNG processes the user message; if it is determined that the first BNG is not the home BNG of the first user, The first BNG forwards the user packet to the home BNG of the first user according to the P2P routing table, so that the home BNG of the first user processes the user packet.
  • the BNG cluster system includes at least two BNGs, and of course, may include multiple BNGs, which can enhance the scalability of the system, and not only simplify the network and devices by introducing P2P technology with self-organization. Configuration management and maintenance, as well as automatic load balancing.
  • the determining whether the first BNG is the home BNG of the first user includes:
  • the first BNG is determined according to the hash value of the first user and the ID of the first BNG; wherein the hash value of the first user is used to uniquely identify the first user, The ID of a BNG is used to uniquely identify the first BNG;
  • the hash value of the first user belongs to the ID range of the first BNG, determining that the first BNG is the home BNG of the first user;
  • the hash value of the first user does not belong to the ID range of the first BNG, it is determined that the first BNG is not the home BNG of the first user.
  • each BNG in the present invention manages at least one user based on the DHT algorithm.
  • the first BNG receives the user message, it determines whether the first BNG is the home BNG of the first user. If the home BNG is the first user, the user message is processed; if it is determined that the user is not the home BNG of the first user, the user message is forwarded to the home BNG of the first user. . It can be seen that not only the scalability of the system is enhanced, but also the automatic negative Load balancing.
  • the first BNG sends the user packet to the first according to a P2P routing table.
  • a user's home BNG forwarding including:
  • the first BNG compares the hash value of the first user with the ID of the at least one subsequent BNG; wherein, the ID of each subsequent BNG is used to uniquely identify the successor BNG;
  • the hash value of the first user belongs to the ID range of the first subsequent BNG, determining that the first subsequent BNG is the home BNG of the first user, and sending the user packet to the first a subsequent BNG; wherein the first subsequent BNG is a BNG in the at least one subsequent BNG;
  • the user message is sent to the second subsequent BNG, so that the second subsequent BNG will be Transmitting the user packet to the home BNG of the first user, where the second subsequent BNG is the minimum value of the difference between the hash value of the first user and the ID of the at least one subsequent BNG. BNG.
  • the first BNG according to the P2P routing table, The user packet is forwarded to the home BNG of the first user, including:
  • the first BNG encapsulates the user packet, and forwards the encapsulated user packet to the home BNG of the first user according to the P2P routing table.
  • the user message is the first user
  • the online request message before the determining whether the first BNG is the home BNG of the first user, the method further includes:
  • the first BNG determines whether the first user is online, including:
  • the identifier information of the first user includes any one or more of the following information: The combination of the source media access control MAC address, the source IP address, and the virtual local area network VLAN tag; the user online list includes: the MAC address of the user who has been online, The user source port of the online user, the user type of the online user, the user status of the online user, the user IP address of the online user, and the user VLAN tag of the online user.
  • the method further includes:
  • the first BNG forwards the user message to the network.
  • the method further includes:
  • the first BNG is in real time backing up user information of the second BNG; wherein the second BNG is a predecessor BNG of the first BNG, and the first BNG is a hot backup node of the second BNG;
  • the first BNG directly takes over the service of the second BNG
  • the first BNG initiates a stabilization process to update topology information.
  • the first BNG directly takes over the service of the second BNG, including:
  • the first BNG notifies the user of the second BNG of its own MAC address
  • the first BNG sends a protocol packet indicating a route update to the network side.
  • the hot standby solution of the BNG is realized by introducing the P2P technology, which not only has good scalability, but also enhances the reliability of the system.
  • the first BNG receives a user from the first user Before the message BNG, it also includes:
  • the first BNG obtains a BNG list, where the BNG list includes: at least one BNG in the BNG cluster system;
  • the first BNG is added to the BNG cluster system.
  • the first BNG is added to the BNG cluster system, including:
  • the first BNG sends a query request to the third BNG; wherein the third BNG is a BNG in the BNG list; the query request is used to: query an ID of a direct successor BNG of the third BNG;
  • the first BNG sends a first notification message to the direct successor BNG of the third BNG; the first notification message is used to indicate that the direct successor BNG of the third BNG uses the first BNG as a predecessor BNG;
  • the first BNG sends a second notification message to the third BNG, where the second notification message is used to indicate that the third BNG uses the first BNG as a direct successor BNG.
  • the method before the sending, by the first BNG, the query request to the third BNG, the method further includes:
  • the first BNG calculates an ID of the first BNG according to a DHT algorithm.
  • the introduction scheme of BNG is realized by introducing P2P technology, and has good scalability.
  • the method further includes:
  • the first BNG migrates the saved user information to a fourth BNG; wherein the fourth BNG is a direct successor BNG of the first BNG;
  • the first BNG sends a fourth notification message to the fourth BNG; the fourth notification message is used to indicate that the fourth BNG uses the second BNG as a predecessor BNG of the fourth BNG.
  • the embodiment of the present invention provides a broadband access gateway BNG, where the BNG is a first BNG, the first BNG belongs to a BNG cluster system, and the BNG cluster system includes: at least two BNGs, the A BNG manages at least one user based on a distributed hash table DHT algorithm; the first BNG includes:
  • a receiving module configured to receive a user message from the first user
  • a first determining module configured to determine whether the first BNG is a home BNG of the first user; the home BNG of the first user is a BNG that manages the first user;
  • a processing module configured to process the user message if the first determining module determines that the first BNG is the home BNG of the first user;
  • a forwarding module configured to forward the user packet to the home BNG of the first user according to the P2P routing table, if the first determining module determines that the first BNG is not the home BNG of the first user, The user BNG is processed by the home BNG of the first user; wherein The P2P routing table is used to indicate at least one successor BNG of the first BNG.
  • the first determining module is configured to:
  • the hash value of the first user belongs to the ID range of the first BNG, determining that the first BNG is the home BNG of the first user;
  • the hash value of the first user does not belong to the ID range of the first BNG, it is determined that the first BNG is not the home BNG of the first user.
  • the forwarding module is configured to:
  • the hash value of the first user belongs to the ID range of the first subsequent BNG, determining that the first subsequent BNG is the home BNG of the first user, and sending the user packet to the first a subsequent BNG; wherein the first subsequent BNG is a BNG in the at least one subsequent BNG;
  • the user message is sent to the second subsequent BNG, so that the second subsequent BNG will be Transmitting the user packet to the home BNG of the first user, where the second subsequent BNG is the minimum value of the difference between the hash value of the first user and the ID of the at least one subsequent BNG. BNG.
  • the forwarding module is specifically configured to:
  • the user message is encapsulated, and the encapsulated user message is forwarded to the home BNG of the first user according to the P2P routing table.
  • the BNG further includes:
  • a second determining module configured to determine whether the first user is online
  • the first determining module uses Determining whether the first BNG is the home BNG of the first user;
  • the forwarding module is further configured to forward the user packet to the network.
  • the second determining module is specifically configured to:
  • the identifier information of the first user includes any one or more of the following information: source media Access control MAC address, source IP address, and virtual local area network VLAN tag.
  • the user online list includes: the MAC address of the online user, the user source port of the online user, the user type of the online user, and the user status of the online user.
  • the BNG further includes:
  • a backup module configured to back up user information of the second BNG in real time; wherein the second BNG is a predecessor BNG of the first BNG, and the first BNG is a hot backup node of the second BNG;
  • a takeover module configured to directly take over the service of the second BNG when detecting that the second BNG fails
  • An update module that is used to initiate the stabilization process to update topology information.
  • the takeover module is configured to:
  • a protocol packet indicating a route update is sent to the network side.
  • the BNG further includes:
  • An obtaining module configured to obtain a BNG list, where the BNG list includes: at least one BNG in the BNG cluster system;
  • a module is added for joining the BNG cluster system.
  • the adding module is used to:
  • the first notification message is used to indicate that the direct successor BNG of the third BNG uses the first BNG as a predecessor BNG;
  • the second notification message is used to indicate that the third BNG uses the first BNG as a direct successor BNG.
  • the BNG further includes:
  • a calculating module configured to calculate an ID of the first BNG according to a DHT algorithm.
  • the BNG further includes:
  • a migration module configured to migrate the saved user information to a fourth BNG; wherein the fourth BNG is a direct successor BNG of the first BNG;
  • a first notification module configured to send a third notification message to the second BNG, where the second BNG is a predecessor BNG of the first BNG, and the third notification message is used to indicate that the second BNG is to be
  • the fourth BNG is used as a direct successor BNG of the second BNG;
  • a second notification module configured to send a fourth notification message to the fourth BNG, where the fourth notification message is used to indicate that the fourth BNG uses the second BNG as a predecessor BNG of the fourth BNG.
  • the embodiment of the present invention provides a broadband access gateway BNG cluster system, including: at least two first BNGs according to any one of the foregoing second aspects, wherein each of the first BNGs Management of at least one user based on a distributed hash table DHT algorithm.
  • the method of the present invention is applied to a BNG cluster system including at least two BNGs, wherein each of the BNGs manages at least one user based on a DHT algorithm; when the first BNG in the BNG cluster system receives a user report from the first user The first BNG determines whether the first BNG is the home BNG of the first user; further, if it is determined that the first BNG is the home BNG of the first user, the first The BNG processes the user packet; if it is determined that the first BNG is not the home BNG of the first user, the first BNG sends the user packet to the home BNG of the first user according to the P2P routing table.
  • the BNG cluster system includes at least two BNGs, and of course, may also include multiple BNGs, which are visible and enhance the system.
  • Scalability while introducing P2P technology with self-organization, not only simplifies configuration management and maintenance of networks and devices, but also automates Load balancing.
  • FIG. 1A is a schematic diagram 1 of an application scenario of a packet processing method according to the present invention.
  • FIG. 1B is a schematic flowchart of Embodiment 1 of a packet processing method according to the present invention.
  • FIG. 1C is a system architecture diagram of a BNG device according to the present invention.
  • FIG. 2A is a schematic flowchart 1 of a second embodiment of a packet processing method according to the present invention.
  • FIG. 2B is a schematic diagram of a user migration application scenario in a BNG cluster system according to the present invention.
  • 2C is a second schematic flowchart of a second embodiment of a packet processing method according to the present invention.
  • 2D is a schematic diagram 1 of a BNG cluster system of the present invention.
  • Embodiment 3A is a schematic flowchart of Embodiment 3 of a packet processing method according to the present invention.
  • 3B is a schematic diagram 2 of a BNG cluster system according to the present invention.
  • 3C is a schematic diagram 3 of the BNG cluster system of the present invention.
  • 3D is a schematic diagram 4 of the BNG cluster system of the present invention.
  • 3E is a schematic diagram 5 of a BNG cluster system of the present invention.
  • Embodiment 4 is a schematic flowchart of Embodiment 4 of a packet processing method according to the present invention.
  • Figure 5 is a schematic structural view of a first embodiment of a BNG according to the present invention.
  • FIG. 6 is a schematic structural view of a second embodiment of a BNG according to the present invention.
  • FIG. 7 is a schematic structural view of a third embodiment of a BNG according to the present invention.
  • FIG. 8 is a schematic structural view of a fourth embodiment of a BNG according to the present invention.
  • FIG. 9 is a schematic structural view of a fifth embodiment of a BNG according to the present invention.
  • FIG. 10 is a schematic structural view of a sixth embodiment of a BNG according to the present invention.
  • the dual-machine BNG is usually used. Because the processing capability of each BNG is limited, the dual-machine BNG in the prior art can only process message messages of a limited number of users, and the system has poor scalability.
  • NFV Network Function Virtualization
  • 1) NFV technology hardware high-performance, high-capacity server, switch and storage platform that unifies network equipment to industrial standards
  • NFV technology platform standard-based IT virtualization technology, can be instantiated as needed /Migrate to network function to any location
  • Application of NFV technology The network function is softwareized and can be flexibly deployed on the virtualization software of the general server.
  • vBNG a vBNG in a virtual machine
  • the general-purpose server is not designed for data communication forwarding, the general-purpose server is used for data communication.
  • the system performance that can be provided when forwarding is limited, especially when the data communication service is superimposed, the performance degradation is greater. Therefore, the system performance of vBras/BNG based on the existing general server is limited, and the single-machine vBNG can support it.
  • the number of users is also limited, so the system's scalability is poor.
  • a network based on Peer to Peer (P2P) model application layer is usually called a peer-to-peer (P2P) network; in a P2P network environment, thousands of computers connected to each other are in a peer-to-peer position.
  • the network generally does not rely on a dedicated centralized server. Each computer in the network can act as both a requester for the network service and a request for other computers to provide resources and services.
  • the distribution characteristics of P2P networks increase the robustness of fail-safe by replicating data on multiple nodes. In a pure P2P network, nodes do not need to rely on a central index server to discover data, and the system does not appear to have a single point. collapse.
  • a BNG clustering technology based on P2P technology is proposed, which enables the BNG clustering system based on the P2P technology to have good scalability, and simplifies the configuration management and maintenance of the network and the device, and implements automatic load balancing.
  • multiple BNGs use a Distributed HashTable (DHT) algorithm to form a distributed BNG, and the user is evenly distributed to the corresponding BNG based on the DHT algorithm.
  • DHT Distributed HashTable
  • Automatic traffic balancing can be employed.
  • the DHT algorithm can be employed Any of the following algorithms: Chord algorithm, CAN algorithm, Pastry algorithm and Tapestry algorithm.
  • the BNG in the embodiment of the present invention may be a vBNG, which is a virtualization device.
  • the vBNG may be a virtual machine running a program for providing functions of the BNG device, the virtual machine being deployed on a hardware device (for example, a physical server).
  • a virtual machine is a complete computer system that runs through a software and has full hardware system functionality running in a fully isolated environment.
  • a physical server is virtualized into multiple logical computers through virtualization technology.
  • Each logical computer is a virtual machine on a physical server, and each virtual machine can run different operating systems. Therefore, applications of each virtual machine Programs can run in separate operating system spaces.
  • the BNG in the embodiment of the present invention may also be a physical BNG, and the program that provides the BNG device function runs on a dedicated hardware platform, where the main hardware platform includes a processor, a transmitter, a receiver, and a circuit.
  • the user needs to be managed as data of the BNG.
  • the hash value of the user and the identification number (ID) of the first BNG can be calculated by using the first BNG. It may be specified by a management plane (eg, an NFV management and orchestration portion of the NFV framework responsible for all virtual management tasks); wherein the hash value of the user may uniquely identify the user, and the ID of the first BNG may be uniquely identified The first BNG.
  • a management plane eg, an NFV management and orchestration portion of the NFV framework responsible for all virtual management tasks
  • the first BNG when the hash value of the user is calculated by using the first BNG, optionally, the first BNG is based on attribute information of the user message (source MAC address, source IP address, and virtual local area network) VLAN tag) or the user name of the user (Username) calculates the hash value of the user, as generated by using a DHT algorithm or other algorithm; 1B) when the ID of the first BNG is calculated by the first BNG Optionally, the first BNG calculates its own ID according to the IP address of the loopback interface of the first BNG, such as by using a DHT algorithm or other algorithm; 2) when the user's hash value and the first When the ID of the BNG is specified by the management plane, the hash value of the user is a globally unique ID identifier, and the ID of the first BNG is a globally unique ID identifier that is allocated in consideration of load balancing of each BNG.
  • attribute information of the user message source MAC address, source IP address, and virtual local area network) VLAN tag
  • the ID of BNG1 is 10 (used to indicate that BNG1 is responsible for users whose user hash value is less than or equal to 10)
  • the ID of BNG2 is 20 (used to indicate that BNG2 is responsible for users whose user hash value is greater than 10 and less than or equal to 20)
  • BNG3 The ID is 30 (used to indicate that BNG3 is responsible for the user hash value greater than 20 and Users less than or equal to 30).
  • FIG. 1A is a schematic diagram of an application scenario of a packet processing method according to the present invention
  • FIG. 1B is a packet of the present invention.
  • FIG. 1C is a system architecture diagram of the BNG equipment of the present invention.
  • the method in this embodiment is applied to a BNG cluster system (a BNG cluster system based on P2P technology composed of BNG1, BNG2, and BNG3 as shown in FIG. 1A);
  • the BNG cluster system includes: at least two BNG (BNG1, BNG2, and BNG3 as shown in FIG. 1A), the at least two BNGs include a first BNG (such as any BNG among the three BNGs shown in FIG.
  • the BNG1 is used as an example.
  • the execution process of the BNG1 is similar.
  • the at least two BNGs are connected through physical ports and physical links, or through virtual ports and virtual links.
  • connection relationship forming a network connection topology diagram of a star type, a tree type, and a full connection type; wherein the at least two BNGs form a P2P network by using a P2P protocol, and the first BNG is distributed based on
  • the hash table DHT algorithm manages at least one user, that is, each BNG in the P2P technology-based BNG cluster system manages at least one user based on a DHT algorithm (such as a function of managing the user's Internet access); the method may include:
  • the first BNG receives a user packet from the first user, and determines whether the first BNG is a home BNG of the first user.
  • the first BNG receives the user message from the first user (such as the line request message or the management message, etc.) sent by the switch or other BNG, and the above line request message in FIG. 1A is taken as an example for description. Further, determining whether the user message belongs to the first BNG for processing, optionally, determining whether the first BNG is the home BNG of the first user (wherein the first user The home BNG is a BNG that manages the first user.
  • the first BNG determines, according to the hash value of the first user and the ID of the first BNG, whether the first BNG is the home BNG of the first user.
  • the first BNG compares the hash value of the first user with the ID of the first BNG, and determines whether the self (that is, the first BNG) is the home BNG of the first user.
  • the first BNG determines that it is the home BNG of the first user, and performs step S102; if the hash value of the first user does not belong to the ID range of the first BNG (as described above) A user has a hash value of 15, and the ID of the first BNG is 10), and the first BNG determines that it is not the home BNG of the first user, and performs step S103.
  • the first BNG may determine, by other means, whether it is the home BNG of the first user, which is not limited in the embodiment of the present invention.
  • Step S102 The first BNG processes the user packet.
  • the first BNG determines that it is the home BNG of the first user, that is, the first BNG is responsible for managing the first user's Internet access and the like.
  • the first BNG processes the user message; for example, if the user message is an online request message and the first user is not online, the first BNG performs a user online process (currently The user is online, the process is similar, as shown by the arrow in the first form of FIG. 1A; if the user message is a management message, the first BNG processes the user message, optionally, for example, if The management packet is a query statistics packet, and the first BNG reads the required statistics and returns the information to the management plane.
  • the management packet may also be other packets, correspondingly, the A BNG is processed differently according to different management messages, and the embodiment of the present disclosure does not limit this.
  • the BNG equipment system includes: a UserIdentification module, a Connection Management module, an AAA and a user management module, an Address management module, and a Service Control module in the BNG. And an external server external to the BNG; wherein the user identification module, the AAA and the user management module, the address management module, the service control module and the like are implemented under the control coordination of the connection management module, and are implemented by an external server. Access management and service control for broadband users.
  • the user identification module is configured to: identify and process various access protocol packets of the user, obtain physical information of the user, and a user name and password in the process of user authentication, thereby providing information basis and security for realizing user access.
  • the connection management module is used to coordinate the interaction between the user identification module, the address management module, the AAA and the user management module, and assist in the establishment, maintenance and removal of the user connection;
  • AAA generation Abbreviation for Authentication, Authorization, and Accounting; where authentication is the process of identifying the identity of the user; authorization is granted to the corresponding network usage rights based on the user identity after authentication, including quality of service (Quality) Of Service (QoS), bandwidth control, access rights, and user policies; charging is based on the authenticated user identity and uses the corresponding charging policy to record and provide accounting information (time, traffic, location, etc.);
  • the address management module is configured to: assign an IP address to the access user, and manage the user IP address to ensure The IP address resource is used reasonably; 5)
  • the service control module is used to: control the access rights, bandwidth, QoS, etc.
  • the external server includes: responsible for allocating IP addresses to users. Dynamic Host Configuration Protocol (DHCP) server, a policy server responsible for issuing service policies for users, such as a Remote Authentication Dial In User Service (RADIUS) server, and An AAA server that is responsible for authentication, authorization, and accounting for access users, such as a RADIUS server and a Huawei Huawei Terminal Access Controller Access Control System (abbreviation) server.
  • DHCP Dynamic Host Configuration Protocol
  • RADIUS Remote Authentication Dial In User Service
  • abbreviation Huawei Huawei Terminal Access Controller Access Control System
  • the BNG user identification module is responsible for processing the user message, extracting the user's physical location information and determining whether access is allowed, and if access is allowed, the BNG connection management is performed.
  • the module sends a user connection request;
  • connection management module determines whether the user is allowed to access according to conditions such as access restrictions, and if the user is allowed to access, the user identification module responds successfully;
  • the user identification module After receiving the successful response from the connection management module, the user identification module notifies the user. Further, the user sends an authentication request message to the user identification module, and the user identification module extracts the authentication information such as the user name from the message, and authenticates. After the information is packaged, it is sent to the connection management module for authentication;
  • connection management module forwards the authentication request from the user identification module to the AAA and the user management module;
  • the AAA and the user management module perform authentication and authorization according to the authentication scheme and the authorization scheme, and then respond to the connection management module with the authentication result together with the authorization information;
  • connection management module applies for an IP address to the address management module
  • the address management module allocates an IP address according to the address pool information of the user by using a corresponding address allocation policy (the remote address needs to be allocated to an external DHCP server), and the allocation result is returned to the connection management module;
  • connection management module responds to the user identification module together with the IP address, and after the user identification module interacts with the user, the user can go online;
  • the AAA and the user management module and the service control module are jointly responsible for controlling the basic services and value-added services used by the user for charging, bandwidth limitation, and QoS.
  • the connection management module of the first BNG responds to the user identification module of the first BNG together with the IP address
  • the first BNG needs to be updated.
  • Information such as user status and IP address.
  • the first BNG sends the user packet to the first user according to a P2P routing table.
  • the home BNG is forwarded, so that the home BNG of the first user processes the user message.
  • the P2P routing table is used to indicate at least one successor BNG of the first BNG (optionally, the subsequent BNG includes: a direct successor BNG and/or an indirect successor BNG of the first BNG);
  • the P2P routing table includes: an ID of the L subsequent BNGs of the first BNG and an Internet Protocol IP address of each of the subsequent BNGs, where L is a positive integer; optionally, the L subsequent BNGs It may be the first of the 2 N BNG BNG subsequent, non-negative integer N (such as 4 when L is, N may be 0, 1 and 4, where, L is equal to the value of the numerical size of a N number); for example, when N is 0, the second subsequent BNG 0 representing the first of said first BNG BNG BNG of a subsequent (i.e., immediately subsequent to the first BNG BNG); when N 1, the second one represents a first follow-BNG BNG BNG the first of two subsequent BNG (i.e.
  • the L subsequent BNGs may also be other subsequent BNGs of the first BNG determined by other means, which is not limited in this embodiment.
  • the P2P routing table is generated by the first BNG based on a DHT algorithm calculation.
  • the first BNG determines that it is not the home BNG of the first user
  • the first BNG is based on the hash value of the first user and included in the P2P routing table. Determining, by the ID of the at least one successor BNG (ie, L subsequent BNGs), a target BNG whose ID value is closest to the hash value of the first user, and further, the first BNG is included according to the routing table.
  • the IP address of the target BNG is sent to the target BNG; optionally, the target BNG is the home BNG of the first user, or may be the same as the first user.
  • the BNG that is the closest to the BNG 1) if the target BNG is the home BNG of the first user, the first BNG sends the user message to the home BNG of the first user, so that the The home BNG of the first user directly processes the user message (such as the above-mentioned user online process of the present invention, which is not described herein again); 2) if the target BNG is closest to the first user's home BNG BNG, the target BNG determines whether it is the same as the first BNG The home BNG of the first user (not described here), and so on, until the user message is forwarded to the home BNG of the first user, so that the home BNG of the first user processes the user message (If the above-mentioned user online process is executed in the present invention, it will not be described here).
  • the first BNG encapsulates the user message, and forwards the encapsulated user message to the home BNG of the first user according to the P2P routing table.
  • the first BNG compares the hash value of the first user with the ID of the at least one subsequent BNG; 1) if the hash value of the first user belongs to the At least one The ID range of the first subsequent BNG in the subsequent BNG (for example, the hash value of the first user is greater than the ID of the predecessor BNG of the first subsequent BNG, and is less than or equal to the ID of the first subsequent BNG,
  • the ID of the predecessor BNG is saved in each BNG, and the first subsequent BNG is determined to be the home BNG of the first user, and the user message is sent to the first successor.
  • the first subsequent BNG processes the user message; 2) if the hash value of the first user does not belong to an ID range of any one of the at least one subsequent BNG, the Transmitting the user packet to the second subsequent BNG, so that the second subsequent BNG forwards the user packet to the home BNG of the first user; wherein the second subsequent BNG is the first user a BNG corresponding to a minimum difference (positive number) of the IDs in the at least one subsequent BNG (ie, a BNG that is closest to the home BNG of the first user), such as a hash value of the first user 38, the at least one successor BNG includes: BNG2 (ID is 20), BNG3 (ID is 30), and BNG4 (ID is 50), wherein the first If the difference between the hash value of the user and the ID of the BNG3 is the smallest, the BNG3 is the second subsequent BNG, and the user message is sent to the second subsequent BNG, and the second subsequent BNG is in accordance with the The same
  • the first BNG determines that it is not the home BNG of the first user (such as a PC), as indicated by the arrow of the second form in FIG. 1A, Determining, by the first BNG, the hash value of the first user and the P2P routing table (including at least the ID of the BNG2 and the IP address of the BNG2) that the hash value of the first user belongs to the ID range of the BNG2 (for example, The first BNG sends the user message to the BNG2 according to the IP address of the BNG2, where the hash value of the first user is greater than the ID of the BNG2 of the BNG2 and is less than or equal to the ID of the BNG2.
  • the first BNG encapsulates the user message (such as a line request message) into a user datagram.
  • the encapsulated user packet is forwarded to the BNG2 according to the P2P routing table, and further, the BNG2 decapsulates the original of the first user.
  • User message ie, user message before encapsulation
  • processing the user message such as performing the above invention
  • the method of the embodiment of the present invention is applied to a BNG cluster system including at least two BNGs, wherein Each of the BNGs manages at least one user based on a DHT algorithm; when the first BNG in the BNG cluster system receives a user message from the first user, the first BNG determines whether the first BNG is the If the first BNG is determined to be the home BNG of the first user, the first BNG processes the user message; if it is determined that the first BNG is not the And the first BNG forwards the user packet to the home BNG of the first user according to the P2P routing table, so that the home BNG of the first user processes the user packet.
  • the BNG cluster system includes at least two BNGs, and of course, may include multiple BNGs, which can enhance the scalability of the system, and at the same time, the introduction of the P2P technology with self-organization is simplified. Configuration management and maintenance of networks and devices, as well as automatic load balancing.
  • the home BNG of the first user directly processes the online request message after receiving the online request message. Then, if the home BNG of the first user receives the online request message of the first user that is forwarded by the other BNG, the online receiving message can be directly discarded, and no processing is required.
  • the method further includes: the first BNG Determining whether the first user has gone online; determining that the first user is not online.
  • the method further includes: if it is determined that the first user is online, the first BNG forwards the user packet to a network.
  • the switch sends the user packet (that is, the online request packet) sent by the first user (such as a PC) to the first BNG, optionally, 1) the user sent by the authenticated user. a packet, the switch may forward the user packet to the specified BNG according to the Layer 2 forwarding MAC address entry (optionally including: a MAC address and an egress port). The designated BNG); 2) For the user message sent by the user who has not passed the authentication, the switch sends the user message to any BNG (in this case, the first BNG corresponds to the arbitrary BNG).
  • the first BNG corresponds to the arbitrary BNG.
  • the first BNG determines whether the first user is online.
  • the first BNG is configured according to the identifier information of the first user and a user online table (optionally, the user online table) It includes: the MAC address of the online user, the user source port of the online user, the user type of the online user, the user status of the online user, and the user who has already gone online.
  • the IP address and the user VLAN tag of the user that has been online are used to determine whether the first user is online; wherein the identifier information of the first user includes any one or more of the following information: a source MAC address, The source IP address and the virtual local area network VLAN tag; optionally, the first BNG queries the user online table by using the identification information of the first user, and determines whether the user has gone online, 1) if the user goes online If the first user is not online, the step of determining whether the first BNG is the home BNG of the first user is performed in step S101; 2)
  • the user online information includes the user information of the first user, and the first BNG is performed, and the first BNG performs normal traffic forwarding, for example, forwarding the user packet to the network.
  • the first user may be determined to be online in other manners, which is not limited in the embodiment of the present invention.
  • FIG. 2A is a schematic flowchart of a second embodiment of a packet processing method according to the present invention.
  • FIG. 2B is a schematic diagram of a user migration application scenario in a BNG cluster system according to the present invention
  • FIG. 2C is a second schematic flowchart of a second embodiment of a packet processing method according to the present invention.
  • 2D is a first schematic diagram of a BNG cluster system of the present invention.
  • the embodiment of the present invention further includes:
  • the first BNG backs up user information of the second BNG in real time.
  • the second BNG is a predecessor BNG of the first BNG, and the first BNG is a hot backup node of the second BNG.
  • real-time backup of user information is performed between each BNG based on the P2P protocol; as shown in FIG. 2B, the first BNG (such as BNG1 in FIG. 2B) backs up the second BNG in real time (as shown in FIG. 2B).
  • User information of BNG3 wherein the second BNG (such as BNG3 in FIG. 2D) is a precursor BNG of the first BNG, and the first BNG (such as BNG1 in FIG.
  • 2D is the second BNG Hot backup node (ie, direct successor node); optionally, taking the chord protocol as an example, each node has a number of successor nodes (optionally including a direct successor node and at least one indirect successor node), which can be directly
  • the successor node acts as a hot standby node
  • the indirect successor node acts as a warm backup node (so that when the hot standby node also fails, the warm backup node performs service recovery).
  • the first BNG when the first BNG detects that the second BNG is faulty, the first BNG directly takes over the second BNG because the first BNG is a hot standby node of the second BNG.
  • BNG service optionally, the first BNG notifies its own MAC address to the a user of the second BNG, so that the user migrates the uplink traffic of the user from the second BNG to the first BNG, and the first BNG sends a free address resolution protocol to the user by using the first BNG.
  • the method of the ARP is used to notify the user, and the first BNG sends a protocol packet for indicating the route update to the network side, so as to migrate the downlink traffic of the network side from the second BNG to the First BNG.
  • the first BNG may detect whether the second BNG is faulty in an existing manner, and is not repeatedly described in the embodiment of the present invention.
  • the first BNG starts a stabilization process to update topology information.
  • the first BNG starts the stabilization process to update the topology information.
  • the chord protocol is taken as an example, and the BNGs are sequentially started to be stabilized along the chord ring. (Stabilize) process update topology.
  • each BNG further backs up user data in real time according to the updated topology information. For example, the hot standby node backs up the user information of the predecessor node corresponding to the node in real time.
  • the stabilization process is similar to a standard P2P process, as node n sends a message to its successor node p, which is used to indicate that the successor node p returns the precursor node of the successor node p; node n receives the successor node
  • the precursor node of p if the precursor node of the successor node p is still n, indicates that there is no change; if the precursor node of the successor node p is o (between n and p), it indicates that node o is a newly joined node, node n Notify node o, change its precursor to n, and n will modify itself to o.
  • the first BNG backs up the user information of the second BNG in real time; wherein the second BNG is the predecessor BNG of the first BNG; further, when the second BNG is detected to be detected In the event of a failure, the first BNG directly takes over the service of the second BNG, and the first BNG initiates the stabilization process to update the topology information.
  • the P2P hot standby solution is implemented by introducing the P2P technology. Not only has good scalability, but also the reliability of the system is enhanced.
  • FIG. 3A is a schematic flowchart of a third embodiment of a BNG clustering system according to the present invention.
  • FIG. 3B is a schematic diagram of a BNG clustering system according to the present invention.
  • FIG. 3C is a schematic diagram of a BNG clustering system according to the present invention.
  • FIG. 4, FIG. 3E is a schematic diagram 5 of the BNG cluster system of the present invention.
  • the embodiment of the present invention further includes:
  • the first BNG acquires a BNG list.
  • the first BNG obtains a BNG list.
  • the management plane determines that the BNG needs to be added, the management plane sends the BNG to be added to the BNG (such as the first BNG).
  • the reason for adding a new BNG usually includes the following two situations: 1) Some nodes in the system are overloaded, and a new BNG node needs to be inserted behind the overloaded BNG node to migrate some users of the overloaded BNG node to the new BNG node.
  • the new BNG node is used for load sharing
  • the new BNG node needs to be inserted into the current topology (such as the tail of the Chord ring).
  • the BNG list includes at least: the overloaded BNG node.
  • the first BNG is added to the BNG cluster system.
  • the first BNG (such as BNG5 in FIG. 3B) is added to the BNG cluster system; optionally, the first BNG is directed to the third BNG (where The third BNG is a BNG in the BNG list, and the BNG1 in FIG. 3B sends a query request (wherein the query request is used to: query the ID of the direct successor BNG of the third BNG);
  • the third BNG is the overloaded BNG node when the reason for adding the new BNG is the first case; further, the first BNG is directly followed by the BNG of the third BNG (as shown in FIG. 3B).
  • the BNG4 sends a first notification message, where the first notification message is used to indicate that the direct successor BNG of the third BNG uses the first BNG as a predecessor BNG; further, the first BNG is to the first
  • the third BNG sends a second notification message, where the second notification message is used to indicate that the third BNG uses the first BNG as a direct successor BNG of the third BNG; that is, the second notification message is used to indicate the location
  • the third BNG starts the stabilization process to update the topology information (including the P2P routing table), so that each BNG can learn its own Driving BNG and direct successor BNG information, for example, a chord ring forwards a BNG node to notify the start of the Stabilize process update topology until returning to the first BNG stop, ie as shown in FIG.
  • the first BNG is a direct successor BNG of BNG1 as in FIG. 3E, the first BNG backs up user information of its predecessor BNG (such as BNG1 in FIG. 3E) in real time.
  • the method further includes: the first BNG calculating an ID of the first BNG according to a DHT algorithm, so as to determine that the first BNG is in a P2P network topology ( a location in the chord ring, and sending the ID of the first BNG to a BNG in the P2P network, so that the BNG retrieves the routing table according to the ID of the first BNG and returns the first BNG The direct successor of the BNG ID.
  • the first BNG after the first BNG obtains the BNG list, the first BNG The BNG cluster system is added to the BNG cluster system. It can be seen that, in the embodiment of the present invention, the B2 joining scheme is implemented by introducing the P2P technology, which has good scalability.
  • FIG. 4 is a schematic flowchart diagram of Embodiment 4 of a packet processing method according to the present invention.
  • the embodiment of the present invention further includes:
  • the first BNG migrates the saved user information to the fourth BNG.
  • the first BNG when the first BNG receives the message instruction sent by the management plane for indicating the migration user, the first BNG will save the user information (not only the first
  • the user information of the BNG itself may also include the backup user information of the precursor BNG of the first BNG to migrate to the fourth BNG; wherein the fourth BNG is a direct successor BNG of the first BNG (the said A direct successor BNG of a BNG is a hot backup node of the first BNG.
  • the first BNG sends a third notification message to the second BNG.
  • the first BNG sends a third notification message to the second BNG (for the predecessor BNG of the first BNG);
  • the third notification message is used to indicate that the second BNG uses the fourth BNG as a direct successor BNG of the second BNG.
  • the first BNG sends a fourth notification message to the fourth BNG.
  • the first BNG sends a fourth notification message to the fourth BNG; wherein the fourth notification message is used to indicate:
  • the fourth BNG uses the second BNG as a precursor BNG of the fourth BNG.
  • the first BNG migrates the saved user information to the direct successor BNG of the first BNG; further, the first BNG passes the predecessor BNG to the first BNG and the The direct successor BNG of the first BNG sends a notification message for instructing to update the P2P network topology information (that is, the respective predecessor BNG and the direct successor BNG after the topology is updated).
  • the BNG is implemented by introducing the P2P technology.
  • the departure plan has good scalability.
  • FIG. 5 is a schematic structural view of a first embodiment of a BNG according to the present invention.
  • the BNG provided in this embodiment may be a first BNG, and the first BNG belongs to a BNG cluster system; the BNG cluster system includes: at least two BNGs, and the first BNG manages at least one based on a distributed hash table DHT algorithm.
  • the BNG 50 provided in this embodiment includes:
  • the receiving module 501 is configured to receive a user message from the first user.
  • the first determining module 502 is configured to determine whether the first BNG is the home BNG of the first user, and the home BNG of the first user is a BNG that manages the first user.
  • the processing module 503 is configured to process the user message if the first determining module determines that the first BNG is the home BNG of the first user;
  • the forwarding module 504 is configured to forward the user packet to the home BNG of the first user according to the P2P routing table, if the first determining module determines that the first BNG is not the home BNG of the first user.
  • the user BNG is processed by the home BNG of the first user, where the P2P routing table is used to indicate at least one successor BNG of the first BNG.
  • the first determining module 502 is configured to:
  • the hash value of the first user belongs to the ID range of the first BNG, determining that the first BNG is the home BNG of the first user;
  • the hash value of the first user does not belong to the ID range of the first BNG, it is determined that the first BNG is not the home BNG of the first user.
  • the forwarding module 504 is configured to:
  • the hash value of the first user belongs to the ID range of the first subsequent BNG, determining that the first subsequent BNG is the home BNG of the first user, and sending the user packet to the first a subsequent BNG; wherein the first subsequent BNG is a BNG in the at least one subsequent BNG;
  • the user message is sent to the second subsequent BNG, so that the second subsequent BNG will be Transmitting the user packet to the home BNG of the first user, where the second subsequent BNG is the minimum value of the difference between the hash value of the first user and the ID of the at least one subsequent BNG. BNG.
  • the forwarding module 504 is specifically configured to:
  • Encapsulating the user packet, and using the P2P routing table to encapsulate the encapsulated user packet to the The home BNG of the first user is forwarded.
  • FIG. 6 is a schematic structural diagram of Embodiment 2 of the BNG according to the present invention.
  • BNG also includes:
  • the second determining module 505 is configured to determine whether the first user is online
  • the first determining module 502 is configured to determine whether the first BNG is the home BNG of the first user;
  • the forwarding module 504 is further configured to forward the user packet to the network.
  • the second determining module 505 is specifically configured to:
  • the identifier information of the first user includes any one or more of the following information: source media Access control MAC address, source IP address, and virtual local area network VLAN tag.
  • the user online list includes: the MAC address of the online user, the user source port of the online user, the user type of the online user, and the user status of the online user.
  • the BNG of any of the foregoing embodiments may be used to implement the technical solution in the first embodiment of the packet processing method of the present invention.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 7 is a schematic structural diagram of Embodiment 3 of the BNG according to the present invention.
  • the BNG further includes:
  • the backup module 506 is configured to back up user information of the second BNG in real time; wherein the second BNG is a predecessor BNG of the first BNG, and the first BNG is a hot backup node of the second BNG;
  • the takeover module 507 is configured to directly take over the service of the second BNG when it is detected that the second BNG fails;
  • the update module 508 is configured to start the stabilization process to update the topology information.
  • the takeover module 507 is configured to:
  • a protocol packet indicating a route update is sent to the network side.
  • the BNG of the embodiment of the present invention may be used to perform the technical solution in the second embodiment of the foregoing packet processing method of the present invention, and the implementation principle and the technical effect are similar, and details are not described herein again.
  • FIG. 8 is a schematic structural diagram of Embodiment 4 of the BNG according to the present invention.
  • the BNG further includes:
  • the obtaining module 509 is configured to obtain a BNG list, where the BNG list includes: at least one BNG in the BNG cluster system;
  • the module 510 is added to join the BNG cluster system.
  • the adding module 510 is configured to:
  • the third BNG is a BNG in the BNG list;
  • the query request is used to: query an ID of a direct successor BNG of the third BNG;
  • the first notification message is used to indicate that the direct successor BNG of the third BNG uses the first BNG as a predecessor BNG;
  • the second notification message is used to indicate that the third BNG uses the first BNG as a direct successor BNG.
  • the BNG further includes:
  • a calculating module configured to calculate an ID of the first BNG according to a DHT algorithm.
  • the BNG of the embodiment of the present invention may be used to implement the technical solution in the third embodiment of the foregoing packet processing method of the present invention, and the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 9 is a schematic structural diagram of Embodiment 5 of the BNG according to the present invention.
  • the BNG further includes:
  • the migration module 511 is configured to migrate the saved user information to the fourth BNG; wherein the fourth BNG is a direct successor BNG of the first BNG;
  • a first notification module 512 configured to send a third notification message to the second BNG, where the second BNG is a predecessor BNG of the first BNG, and the third notification message is used to indicate: the second BNG Using the fourth BNG as a direct successor BNG of the second BNG;
  • a second notification module 513 configured to send a fourth notification message to the fourth BNG, where the fourth notification message is used to indicate that the fourth BNG uses the second BNG as a precursor BNG of the fourth BNG .
  • the BNG of the embodiment of the present invention can be used to perform the technical solution in the fourth embodiment of the foregoing packet processing method of the present invention, and the implementation principle and the technical effect are similar, and details are not described herein again.
  • FIG. 10 is a schematic structural view of a sixth embodiment of a BNG according to the present invention.
  • the BNG provided in this embodiment may be a first BNG, and the first BNG belongs to a BNG cluster system; the BNG cluster system includes: At least two BNGs, the first BNG managing at least one user based on a distributed hash table DHT algorithm.
  • the BNG 100 provided in this embodiment may include a processor 1001 and a memory 1002.
  • the BNG 100 can also include a transceiver 1003 that can be coupled to the processor 1001; wherein the transceiver 1003 is configured to transceive data or messages, the memory 1002 is configured to store execution instructions, and the processor 1001 is configured to perform execution in the memory 1002
  • the instructions cause the BNG to perform the operations in any of the above described message processing methods.
  • the BNG of this embodiment may be used to perform the technical solution in any of the foregoing packet processing methods of the present invention.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • the BNG cluster system includes: at least two first BNGs; wherein each of the first BNGs manages at least one user based on a distributed hash table DHT algorithm;
  • the BNG can adopt the structure of the foregoing BNG Embodiments 1 to 6 of the present invention, and correspondingly, the technical solution in any of the foregoing packet processing methods can be executed, and the implementation principle and the technical effects are similar, and details are not described herein again.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into 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, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, 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 purpose of the solution of the embodiment.
  • 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 hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional unit is stored in a storage medium, including several fingers
  • the steps used to cause a computer device (which may be a personal computer, server, or network device, etc.) or a processor to perform the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .
  • the aforementioned program can be stored in a computer readable storage medium.
  • the program when executed, performs the steps including the foregoing method embodiments; and the foregoing storage medium includes various media that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

Conformément à des modes de réalisation, la présente invention concerne un procédé de traitement de paquet, un BNG et un système de groupement de BNG. Le procédé comprend les opérations suivantes : un premier BNG reçoit un paquet d'utilisateur à partir d'un premier utilisateur, et détermine si le premier BNG est un BNG domestique du premier utilisateur, le BNG domestique du premier utilisateur étant un BNG gérant le premier utilisateur ; s'il est déterminé que le premier BNG est le BNG domestique du premier utilisateur, le premier BNG traite le paquet d'utilisateur ; et s'il est déterminé que le premier BNG n'est pas le BNG domestique du premier utilisateur, le premier BNG transfère le paquet d'utilisateur au BNG domestique du premier utilisateur selon une table de routage P2P, de telle sorte que le BNG domestique du premier utilisateur traite le paquet d'utilisateur, la table de routage P2P étant utilisée pour indiquer au moins un BNG successeur du premier BNG. En conséquence, la capacité d'extension d'un système est améliorée, et un équilibrage de charge automatique est également mis en œuvre.
PCT/CN2016/112146 2015-12-31 2016-12-26 Procédé de traitement de paquet, bng et système de groupement de bng WO2017114363A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201511032561.0 2015-12-31
CN201511032561.0A CN105704042A (zh) 2015-12-31 2015-12-31 报文处理方法、bng及bng集群系统

Publications (1)

Publication Number Publication Date
WO2017114363A1 true WO2017114363A1 (fr) 2017-07-06

Family

ID=56226810

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/112146 WO2017114363A1 (fr) 2015-12-31 2016-12-26 Procédé de traitement de paquet, bng et système de groupement de bng

Country Status (2)

Country Link
CN (1) CN105704042A (fr)
WO (1) WO2017114363A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113542013A (zh) * 2021-06-24 2021-10-22 新华三大数据技术有限公司 虚拟化网络功能管理消息分配方法、装置及设备
CN114389858A (zh) * 2021-12-24 2022-04-22 安天科技集团股份有限公司 流量处理方法及装置、电子设备和计算机可读存储介质

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105704042A (zh) * 2015-12-31 2016-06-22 华为技术有限公司 报文处理方法、bng及bng集群系统
CN107547318A (zh) * 2016-06-28 2018-01-05 中兴通讯股份有限公司 一种报文转发控制方法、装置及宽带接入系统
CN106487788B (zh) * 2016-09-30 2019-10-29 中国联合网络通信集团有限公司 一种用户接入方法、sdn控制器、转发设备及用户接入系统
CN109842558B (zh) * 2017-11-28 2020-09-11 华为技术有限公司 报文转发的方法、控制面网关和用户面网关
CN112737806B (zh) 2019-10-28 2022-05-13 华为技术有限公司 网络流量的迁移方法及装置
CN114363285A (zh) 2020-09-28 2022-04-15 华为技术有限公司 地址管理的方法、装置及系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100265824A1 (en) * 2007-11-09 2010-10-21 Blade Network Technologies, Inc Session-less Load Balancing of Client Traffic Across Servers in a Server Group
CN101969468A (zh) * 2010-10-14 2011-02-09 广州从兴电子开发有限公司 查询服务器集群系统及查询方法
CN104243337A (zh) * 2013-06-09 2014-12-24 杭州华三通信技术有限公司 一种跨集群负载均衡的方法及装置
CN105704042A (zh) * 2015-12-31 2016-06-22 华为技术有限公司 报文处理方法、bng及bng集群系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050021836A1 (en) * 2003-05-01 2005-01-27 Reed Carl J. System and method for message processing and routing
CN100474819C (zh) * 2007-05-17 2009-04-01 华为技术有限公司 一种深度报文检测方法、网络设备及系统
CN102457568B (zh) * 2010-11-30 2013-03-27 中国人民解放军国防科学技术大学 物联网信息服务系统以及在该系统上的信息处理方法
CN102202228B (zh) * 2011-05-24 2012-11-14 北京邮电大学 视频资源存储、查找的方法及装置
CN102868617A (zh) * 2011-07-05 2013-01-09 中兴通讯股份有限公司 一种p2p网络路由方法及系统
CN103297352B (zh) * 2012-02-23 2017-03-15 华为技术有限公司 一种接入策略的配置方法及宽带网络网关

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100265824A1 (en) * 2007-11-09 2010-10-21 Blade Network Technologies, Inc Session-less Load Balancing of Client Traffic Across Servers in a Server Group
CN101969468A (zh) * 2010-10-14 2011-02-09 广州从兴电子开发有限公司 查询服务器集群系统及查询方法
CN104243337A (zh) * 2013-06-09 2014-12-24 杭州华三通信技术有限公司 一种跨集群负载均衡的方法及装置
CN105704042A (zh) * 2015-12-31 2016-06-22 华为技术有限公司 报文处理方法、bng及bng集群系统

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113542013A (zh) * 2021-06-24 2021-10-22 新华三大数据技术有限公司 虚拟化网络功能管理消息分配方法、装置及设备
CN114389858A (zh) * 2021-12-24 2022-04-22 安天科技集团股份有限公司 流量处理方法及装置、电子设备和计算机可读存储介质
CN114389858B (zh) * 2021-12-24 2023-08-25 安天科技集团股份有限公司 流量处理方法及装置、电子设备和计算机可读存储介质

Also Published As

Publication number Publication date
CN105704042A (zh) 2016-06-22

Similar Documents

Publication Publication Date Title
WO2017114363A1 (fr) Procédé de traitement de paquet, bng et système de groupement de bng
US10779339B2 (en) Wireless roaming using a distributed store
US20220206908A1 (en) Techniques for replicating state information for high availability
US11128494B2 (en) Distributed virtual gateway appliance
EP3404878B1 (fr) Appareil de réseau virtuel, et procédé associé
US10034201B2 (en) Stateless load-balancing across multiple tunnels
EP3046288B1 (fr) Procédé, dispositif et système de gestion d'éléments de réseau à fonction réseau virtualisée
US11398956B2 (en) Multi-Edge EtherChannel (MEEC) creation and management
US20140068045A1 (en) Network system and virtual node migration method
US12003424B2 (en) Load balancing communication sessions in a networked computing environment
US20130297752A1 (en) Provisioning network segments based on tenant identity
US11968080B2 (en) Synchronizing communication channel state information for high flow availability
EP3788772B1 (fr) Implementation dhcp sur-noeud pour des machines virtuelles
CN113225252B (zh) 双向转发检测bfd会话的建立方法、处理方法以及相关设备
CN110855488A (zh) 一种虚拟机接入方法及装置
EP4214911A1 (fr) Systèmes et procédés de provisionnement sans intervention humaine d'un commutateur dans des répartiteurs intermédiaires et des répartiteurs principaux
US20210152467A1 (en) Decentralized control plane
US9736027B2 (en) Centralized enterprise image upgrades for distributed campus networks
CN113545130B (zh) 利用分布式散列的无线客户端的快速漫游和统一策略
US10931565B2 (en) Multi-VRF and multi-service insertion on edge gateway virtual machines
WO2022146787A1 (fr) Synchronisation d'informations d'état de canal de communication pour une disponibilité haut débit
CN117425891A (zh) 用于支持基于网络的计算服务的系统和方法

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: 16881152

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: 16881152

Country of ref document: EP

Kind code of ref document: A1