WO2008106881A1 - Procédé d'accès ppp, système correspondant et dispositif à noeud d'accès - Google Patents

Procédé d'accès ppp, système correspondant et dispositif à noeud d'accès Download PDF

Info

Publication number
WO2008106881A1
WO2008106881A1 PCT/CN2008/070352 CN2008070352W WO2008106881A1 WO 2008106881 A1 WO2008106881 A1 WO 2008106881A1 CN 2008070352 W CN2008070352 W CN 2008070352W WO 2008106881 A1 WO2008106881 A1 WO 2008106881A1
Authority
WO
WIPO (PCT)
Prior art keywords
access
point
protocol
message
packet
Prior art date
Application number
PCT/CN2008/070352
Other languages
English (en)
Chinese (zh)
Inventor
Zhenting Yang
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2008106881A1 publication Critical patent/WO2008106881A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/168—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP] specially adapted for link layer protocols, e.g. asynchronous transfer mode [ATM], synchronous optical network [SONET] or point-to-point protocol [PPP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]

Definitions

  • Point-to-point protocol access method system and access node device
  • the present invention relates to the field of broadband access network technologies, and in particular, to a point-to-point protocol (PPP) access method, system, and access node device.
  • PPP point-to-point protocol
  • the PPP protocol is a data link layer protocol in the Transmission Control Protocol/Internet Protocol (TCP/IP) protocol stack, providing a standard way to transport multiple network layer protocols over a point-to-point link. Datagram.
  • the PPP protocol has Network Control Protocol (NCP) supporting different network layers, such as Internet Protocol Control Protocol (IPCP) and Internet Work Packet Exchange Control Protocol (IPXCP).
  • NCP Network Control Protocol
  • IPCP Internet Protocol Control Protocol
  • IPXCP Internet Work Packet Exchange Control Protocol
  • LCP Link Control Protocol
  • ALCP Challenge Handshake Authentication Protocol
  • PAP Password Authentication Protocol
  • the authentication protocol is mainly used to authenticate the connected user, prevent the PPP connection of the illegal user, and ensure the security of the network.
  • Figure 1 shows the frame format of the PPP protocol.
  • the protocol field is used to identify the protocol type encapsulated in the information field.
  • the protocol types used mainly include LCP, NCP, and common IP protocols, and their corresponding protocol domains.
  • the fields are 0xC021, 0x80, and 0x0021, respectively.
  • the following information contains different message contents according to different protocols.
  • Asymmetric Digital Subscriber Loop ADSL
  • VDSL Very High-Speed-bit Digital Subscriber Loop
  • Ethernet Ethernet
  • PON Passive Optical Network
  • ATM Asynchronous Transfer Mode
  • PPPoA PPP over
  • ATM ATM
  • PPPoA ⁇ ⁇ is the ATM PPP layer 5 (ATMAAL5, ATM Adaptation Layer 5) PPP
  • PPPoA uses ATM to adapt the 5th layer assembled PPP package.
  • the PPP protocol requires that both parties communicate in a peer-to-peer relationship and cannot be directly applied to broadcast Ethernet, and PPPoE solves this problem.
  • PPPoE Through the PPPoE protocol, multiple hosts in a shared Ethernet network can access multiple PPP sessions with a remote access server through one or more simple bridging access devices.
  • PPPoE not only provides a broadband access method for users using bridged Ethernet access, but also provides convenient access control and billing.
  • the workflow of the PPPoE protocol includes two phases of discovery and session.
  • a host wants to start a PPP session, it first performs a discovery process to identify the other party's Media Access Control (MAC) address, and then establishes a unique PPP session identifier (ID, Identification).
  • ID unique PPP session identifier
  • the host and the access server transmit PPP data according to the PPP protocol, and perform PPP negotiation and data transmission.
  • PPPoA and PPPoE provide a point-to-point connection. The difference is that PPPoA is carried on the ATM network, and PPPoE is carried on the Ethernet network, which is adapted to the ATM standard and Ethernet standard respectively.
  • PPPoX (including PPPoA and PPPoE) provides a point-to-point connection. Protocol packets and user data packets are bundled between the two points of the protocol. .
  • PPPoX including PPPoA and PPPoE
  • Protocol packets and user data packets are bundled between the two points of the protocol. .
  • the inventors found that at least the following problems exist in the prior art: Each technology update of the bearer network needs to support the PPP protocol, and the innovation of the PPP access technology also needs to adapt to the bearer network, which leads to the network. The increase of operating costs is not conducive to the expansion and upgrade of the network. With the evolution of the network, the separation of control and bearer becomes an inevitable requirement.
  • PPPoX provides a point-to-point connection
  • the access server in the network serves as the end of the network side of the point-to-point connection. It needs to terminate a large number of PPP sessions and forward a large number of IP packets. When the service is busy, it is likely to become network performance. The bottleneck.
  • the technical problem to be solved by the embodiments of the present invention is to provide a PPP access authentication method, system, and access node device, so as to implement separation of control and bearer in PPP access authentication.
  • the embodiment of the present invention provides a point-to-point protocol access method, where the method includes:
  • the access node device receives the point-to-point protocol access message from the user, and determines the point-to-point protocol Whether the access packet is a protocol packet or a data packet;
  • the protocol packet is sent to the access controller, and the access controller performs access management on the user;
  • the access node device forwards the data message.
  • An embodiment of the present invention provides a point-to-point protocol access system, where the system includes an access node device and an access controller, where:
  • the access node device is configured to receive a point-to-point protocol access message from the user, and when the point-to-point protocol access message is a protocol message, send the packet to the access controller for processing; When the point-to-point protocol access packet is a data packet, the data packet is forwarded;
  • the access controller is configured to perform access management on the user according to the received protocol packet.
  • An embodiment of the present invention further provides an access node device, where the access node device includes a message receiving and identifying unit, a message sending unit, and a storage unit, where:
  • a message receiving and identifying unit configured to receive a point-to-point protocol message, and identify the received point-to-point protocol message as a protocol message or a data message;
  • the message sending unit forwards the protocol message received by the message receiving and identifying unit to the first destination address, and forwards the data message received by the message receiving and identifying unit to the second purpose according to the data forwarding table stored in the storage unit.
  • a storage unit configured to store a data forwarding table.
  • the access node device judges the PPPoX access message from the user, separates the data packet and the protocol packet, and forwards the data packet, and the access controller Protocol packet access control and management, which completes the separation of control and bearer in PPP access, so that the innovation of PPP access control technology and the evolution of bearer network do not affect each other, which is conducive to network expansion and upgrade, and also saves Network operating costs.
  • the access controller is responsible for access control and management of the user, and the access node device forwards the data packet, and the network load is shared by the two, thereby improving the utilization efficiency of the device and avoiding the burden of a certain device of the network. Excessive weight affects the operation of the entire network, reducing the performance requirements for network devices.
  • 1 is a schematic diagram of a PPP frame format in the prior art
  • 2 is a flowchart of accessing a preferred embodiment of a PPP access method according to the present invention
  • FIG. 3 is a schematic structural diagram of a PPP access system according to a preferred embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a preferred embodiment of an access node device according to the present invention.
  • Step 21 The access node device (AN, Access Node) receives the PPP access message from the user.
  • the user equipment sends a PPP access message to request to establish a PPP connection.
  • the PPP connection can be initiated by the user host or by the Residential Gateway (RG).
  • the PPPoA access packet and the PPPoE access packet are used in the PPP access packet.
  • the PPPoA is used in the routing mode.
  • the access authentication process is performed by the RG, and the PPPoE works in the bridging mode.
  • the host or RG initiates a PPPoE request. Therefore, the specific device on the user side can be the user host or the RG.
  • Step 22 The AN determines whether the PPPoX access message is a protocol message or a data message, if it is a protocol message, step 23 is performed; if it is a data message, step 27 is performed;
  • the AN can determine the type of the packet based on the protocol field of the PPP frame. For example, if the protocol field field is 0x8021, then the NCP protocol is used. If the protocol field is 0x0021, the IP data is ⁇ .
  • Step 23 The protocol packet is sent to an access controller (AC, Access Controller), and the AC performs access management on the user, including access link negotiation, user access address allocation, and access authentication authorization.
  • AC Access Controller
  • the AC performs corresponding processing according to different protocol types. If the received LCP protocol packet is received, the user is negotiated to establish, maintain, or terminate the data link. If the authentication protocol, such as the Password Authentication Protocol (PAP) or the Challenge Handshake Authentication Protocol (CHP), is received, the protocol packet is forwarded to authorization, authentication, and accounting. : Authentication, Authorization and Accounting) The server authenticates the user to prevent unauthorized users from PPP connections. If necessary, the message returned by the AAA server should also be converted to PPPoX format first. When receiving the protocol packet sent by the AC to the user, the AN directly forwards the protocol packet. To the user.
  • PAP Password Authentication Protocol
  • CHP Challenge Handshake Authentication Protocol
  • the AAA implementation can use RADIUS (Remote Authentication Dial In User Service), which is a type of network access server (NAS Access Network) such as BRAS (Broadband Remote Access Server) and shared authentication server.
  • NAS Access Network network access server
  • BRAS Broadband Remote Access Server
  • RADIUS uses UDP (User Datagram Protocol) as its transport protocol.
  • RADIUS is responsible for transmitting the accounting information between the network access server and the shared accounting server.
  • the AC can function as a NAS device such as a BRAS.
  • Step 24 The AN determines whether the user is allowed to access. If not, step 25 is performed; if yes, step 26 is performed;
  • the user identity can be verified to pass or not to determine whether to allow access to the user.
  • Step 25 Close the link and terminate the PPP session.
  • Step 26 The AN establishes and maintains a data forwarding table
  • the AN can obtain the PPP signaling information of the user and the AC through monitoring or detection, and then obtain the required information or parameters.
  • the AN can also be controlled by the AC through an additional control protocol such as SNMP (Simple Network Management Protocol), ANCP (Access Network Control Protocol), and the like.
  • SNMP Simple Network Management Protocol
  • ANCP Access Network Control Protocol
  • each phase has a certain timing relationship. Therefore, if user access is not allowed, for example, if the user's identity authentication is not completed, the data message transmitted by the user cannot be transmitted to the destination network. Therefore, the interface can only transmit PPP packets on the user-side interface. By default, the device can transmit data packets, similar to 802.1X.
  • the AN establishes and maintains a data forwarding table based on the acquired PPP information.
  • one of the data forwarding tables can be: (port [including logical port] identifier, user MAC, PPP session identifier) ⁇ -> (user MAC, user IP address, user gateway IP address), and the AN uses this table to PPP data.
  • the packet is forwarded, including the format of the packet and the packet is sent to the destination address.
  • the format of the packet is translated from IPoE to PPPoE or from PPPoE to PPPoA.
  • the AN obtains the MAC address of the user through the ARP (Address Resolution Protocol).
  • ARP Address Resolution Protocol
  • Step 27 The AN determines whether the user access is allowed, if yes, step 28 is performed; if no, step 29 is performed;
  • the AN can determine whether there is a corresponding session ID and destination address according to the data forwarding table established in step 26, and if so, the user is allowed to access. You can also set a port status indicating the user access in the table. By default, the port is disabled. When the user is allowed to access, the port is open and allows data packets to be transmitted.
  • Step 28 The AN forwards the data packet according to the established and maintained data forwarding table.
  • the negotiation is divided into five phases, namely: an offline phase, an association establishment phase, and authentication. (Authenticate) phase, network control negotiation (Network) phase and termination (Terminate) phase. Different stages of negotiation are carried out at different stages. After the previous agreement is negotiated, the result is transferred to the negotiation of the next stage agreement. Therefore, in general, when the user is allowed to access, for example, the authentication of the user identity is passed, the data message sent by the user can be forwarded by the AN to the destination address.
  • the destination address in the data forwarding table it can be forwarded to the destination network, such as the aggregation network, or other users.
  • the corresponding data packet can be converted from the PPPoX format to the IPoX format, that is, the PPPoX decapsulation is completed, and the data packet is sent to the corresponding destination IP address according to the table.
  • the other end of the PPP connection with the user can also send data packets to the user.
  • the AN After receiving the data packets, the AN sends the data packets to the user according to the established and maintained data forwarding table. . If required, for example, the data packet received by the AN is in the IPoX format, or the receiving side is different from the bearer mode of the network, the AN needs to first convert the received data packet format into the PPPoX format approved by the access side.
  • Step 29 Discard the data packet.
  • PPPoX provides a point-to-point connection.
  • the above is the process of processing PPP access messages sent by users. It can be seen from the above workflow that the PPP access message sent by the user is performed in the AN. Separation, the AN forwards the data packet and sends the protocol packet to the AC for processing. Therefore, the control of the PPP access is separated from the bearer, so that the innovation of the access control technology and the evolution of the bearer network do not affect each other, which is beneficial to the expansion and upgrade of the network.
  • a PPP access method is described in the foregoing embodiment.
  • a PPP access system is described in the following, and the system includes: an access node device and an access controller, where:
  • the access node device is configured to receive a PPP access packet from the user, and determine whether the PPP access packet is a protocol packet or a data packet, and when the PPP access packet is a protocol packet, The method is sent to the access controller for processing, and when the message sent by the access controller is allowed to be accessed by the user, the session data forwarding table is created and maintained; when the PPP access message is a data packet, according to the Forwarding the data forwarding table;
  • the access controller is configured to perform access management on the user according to the received protocol packet, and send the protocol packet to the user through the access node device.
  • the access node device can also be used to forward the data packet sent to the user to the user; receive the PPPoX protocol packet from the access controller and send the packet to the user;
  • RG31, AN32, AC33, and aggregation network 35 form an access network.
  • the AN is logically connected to the AC.
  • RG31 is used to initiate a PPP call, request access to the network, and receive PPP packets and PPP data packets.
  • the AN32 is configured to receive and determine whether the packet sent by the user is a PPP data packet or a PPP protocol packet.
  • the packet is directly sent to the AC33 to authenticate the user.
  • the packet is PPPoX data.
  • the message is forwarded according to the data forwarding table, for example, sent to the Internet Service Provider (ISP) network 36 through the aggregation network 35.
  • ISP Internet Service Provider
  • the data packet sent to the RG31 sent by the aggregation network 35 is forwarded to the user, and the protocol packet sent by the AC33 to the RG31 is directly sent.
  • the AC33 is used to control the PPP connection and perform access management for the user.
  • the authentication information is sent to the AAA server for identity authentication, and the state machine of the PPP is maintained, that is, the conversion is performed in different negotiation stages.
  • the AAA server 34 is configured to authenticate, authorize, and charge the user.
  • the ISP network 36 interacts with the user through the aggregation network 35 to provide access services and information services. And value-added services.
  • An access node device is described below by using an embodiment, where the device includes: a message receiving and identifying unit, a message sending unit, and a storage unit, where:
  • a packet receiving and identifying unit configured to receive a PPP packet and identify whether the received PPP packet is a protocol packet or a data packet;
  • the message sending unit forwards the protocol message received by the message receiving and identifying unit to the first destination address, and forwards the data message received by the message receiving and identifying unit to the second purpose according to the data forwarding table stored in the storage unit.
  • a storage unit configured to store a data forwarding table.
  • the access node device further includes a format conversion unit, configured to perform format conversion on the packet sent by the packet receiving and identifying unit according to the bearer mode of the destination network, and then send the packet to the packet sending unit.
  • a format conversion unit configured to perform format conversion on the packet sent by the packet receiving and identifying unit according to the bearer mode of the destination network, and then send the packet to the packet sending unit.
  • PPPoX and IPoX can be converted
  • PPPoA and PPPoE can be converted.
  • the access node device includes: a message receiving and identifying unit 41, a text sending unit 42, and a storage unit 43, and further includes a format converting unit 44, where:
  • the packet receiving and identifying unit 41 is configured to receive the PPP packet and identify whether the received PPP packet is a protocol packet or a data packet.
  • the message sending unit 42 forwards the protocol message received by the message receiving and identifying unit 41 to the first destination address, for example, the address of the access controller in the access network; according to the data forwarding table stored in the storage unit 43 The data packet received by the text receiving and identifying unit 41 is forwarded to the second destination address;
  • the storage unit 43 is configured to store a data forwarding table
  • the format conversion unit 44 is configured to format the message sent by the message receiving and identifying unit 41 according to the bearer mode of the destination network, and then send the message to the message sending unit 42.
  • the parameters in the data forwarding table according to the forwarding data packet may include: a PPP session identifier, an access user identifier, and a forwarding path identifier.
  • the access node device can also obtain other required PPP signaling information as parameters in the data forwarding table.
  • the access node device determines the PPPoX access packet from the user side, separates the data packet and the protocol packet, and forwards the data packet, and the access control The device performs access control and management according to the protocol packet, thereby completing the separation of PPP access control and bearer, so that the innovation of PPP access control technology and the evolution of the bearer network do not affect each other, which is beneficial to network expansion and upgrade. It also saves network operating costs.
  • the access controller is responsible for access control and management of the user, and the access node device forwards the data packet, and the network load is shared by the two, thereby improving the utilization efficiency of the device and avoiding the burden of a certain device of the network. Excessive weight affects the operation of the entire network, reducing the performance requirements for network devices.

Landscapes

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

Abstract

L'invention concerne un procédé d'accès PPP, un système correspondant et un dispositif à noeud d'accès. Selon ledit procédé, un dispositif à noeud d'accès reçoit le message d'accès PPP de l'utilisateur et détermine si le message d'accès PPP est un message de protocole ou un message de données. Lorsque le message d'accès PPP est un message de protocole, le dispositif envoie le message de protocole à un contrôleur d'accès qui gère l'accès pour l'utilisateur. Lorsque le message d'accès PPP est un message de données, le dispositif à noeud d'accès retransmet le message de données.
PCT/CN2008/070352 2007-03-02 2008-02-25 Procédé d'accès ppp, système correspondant et dispositif à noeud d'accès WO2008106881A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 200710085357 CN101257420A (zh) 2007-03-02 2007-03-02 一种点对点协议接入方法、系统及接入节点设备
CN200710085357.4 2007-03-02

Publications (1)

Publication Number Publication Date
WO2008106881A1 true WO2008106881A1 (fr) 2008-09-12

Family

ID=39737796

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/070352 WO2008106881A1 (fr) 2007-03-02 2008-02-25 Procédé d'accès ppp, système correspondant et dispositif à noeud d'accès

Country Status (2)

Country Link
CN (1) CN101257420A (fr)
WO (1) WO2008106881A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102548022B (zh) * 2011-12-27 2015-05-20 上海顶竹通讯技术有限公司 接入网络的装置及方法
CN104125191B (zh) * 2013-04-23 2017-09-26 华为技术有限公司 基于以太网的点对点协议的处理方法、设备和系统
CN104468313B (zh) * 2014-12-05 2018-08-14 华为技术有限公司 一种报文处理方法、网络服务器及虚拟专用网络系统
CN104506451A (zh) * 2014-12-24 2015-04-08 中国电子科技集团公司第五十四研究所 一种基于fpga的pos数据链路层分类处理装置
WO2017012443A2 (fr) * 2015-07-17 2017-01-26 华为技术有限公司 Transmission de message, nœud d'accès, contrôleur d'accès, et système d'accès
CN113225238B (zh) 2015-07-17 2022-08-26 华为技术有限公司 消息传输方法、接入节点、接入控制器及接入系统
CN107786613B (zh) 2016-08-30 2020-05-12 新华三技术有限公司 宽带远程接入服务器bras转发实现方法和装置
CN107948082A (zh) * 2016-10-12 2018-04-20 中国电信股份有限公司 以太网上的点对点协议的处理方法和系统以及代理装置
CN108259298B (zh) * 2017-05-31 2020-12-29 新华三技术有限公司 一种报文转发方法及装置
CN108259633B (zh) 2017-05-31 2020-05-12 新华三技术有限公司 实现管理报文三层通信的方法、系统及装置
CN107547338B (zh) * 2017-05-31 2020-12-29 新华三技术有限公司 一种报文转发方法及装置
CN108259453B (zh) 2017-05-31 2020-03-06 新华三技术有限公司 一种报文转发方法及装置
CN109672594B (zh) * 2017-10-13 2021-12-03 中国电信股份有限公司 IPoE报文处理方法、装置及宽带远程接入服务器
CN109672593B (zh) * 2017-10-13 2021-11-05 中国电信股份有限公司 PPPoE报文处理方法、装置及宽带远程接入服务器
CN111262770B (zh) * 2018-12-03 2022-05-20 迈普通信技术股份有限公司 一种通信方法及通信系统
CN111193323B (zh) * 2020-01-06 2023-08-11 山东电工电气集团新能科技有限公司 基于can总线的配电网下行设备管理装置
CN112260913B (zh) * 2020-12-21 2021-04-02 广东省新一代通信与网络创新研究院 一种用于实现分布式宽带的接入方法及系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1414760A (zh) * 2002-02-10 2003-04-30 华为技术有限公司 用网络处理器实现以太网承载点对点协议的高速接入方法
CN1474560A (zh) * 2002-06-13 2004-02-11 在多点到点网络中分配共享媒体的传输容量的方法和设备
CN1571392A (zh) * 2003-07-25 2005-01-26 华为技术有限公司 一种在网络接入设备上实现PPPoA到PPPoE转换的方法
US20070153801A1 (en) * 2005-12-12 2007-07-05 Samsung Electronics Co., Ltd. Method and apparatus for scheduling to guarantee QoS of VoIP service in portable Internet system
CN101094532A (zh) * 2007-07-26 2007-12-26 中兴通讯股份有限公司 数据传输方法和装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1414760A (zh) * 2002-02-10 2003-04-30 华为技术有限公司 用网络处理器实现以太网承载点对点协议的高速接入方法
CN1474560A (zh) * 2002-06-13 2004-02-11 在多点到点网络中分配共享媒体的传输容量的方法和设备
CN1571392A (zh) * 2003-07-25 2005-01-26 华为技术有限公司 一种在网络接入设备上实现PPPoA到PPPoE转换的方法
US20070153801A1 (en) * 2005-12-12 2007-07-05 Samsung Electronics Co., Ltd. Method and apparatus for scheduling to guarantee QoS of VoIP service in portable Internet system
CN101094532A (zh) * 2007-07-26 2007-12-26 中兴通讯股份有限公司 数据传输方法和装置

Also Published As

Publication number Publication date
CN101257420A (zh) 2008-09-03

Similar Documents

Publication Publication Date Title
WO2008106881A1 (fr) Procédé d'accès ppp, système correspondant et dispositif à noeud d'accès
JP4236398B2 (ja) 通信方法、通信システム及び通信接続プログラム
US6308213B1 (en) Virtual dial-up protocol for network communication
EP2207321B1 (fr) Procede d'acces, systeme et equipement de session de couche 3
US8086749B2 (en) Techniques for migrating a point to point protocol to a protocol for an access network
US6754712B1 (en) Virtual dial-up protocol for network communication
WO2013170790A1 (fr) Procédé et système d'accès à un réseau virtuel
JP2007536851A (ja) セッションベースのパケット交換装置
Valencia et al. Cisco Layer Two Forwarding (Protocol)" L2F"
WO2006114037A1 (fr) Systeme de communication dote d’un module de commande de session en peripherie et procede de transmission de paquet de signalisation
WO2007033519A1 (fr) Procede permettant la mise a jour d'un reseau de communication prive virtuel dynamiquement
EP2525531B1 (fr) Procédé et dispositif d'accès au réseau pour permettre un acheminement de données entre différents supports physiques
WO2007000120A1 (fr) Systeme, procede et serveur d'acces pour authentification
CN101212398A (zh) 一种接入系统及方法
JP3692083B2 (ja) ダイヤルアップ機能付き通信装置
WO2014153860A1 (fr) Procédé d'accès réseau, passerelle et système
WO2008037212A1 (fr) Terminal d'accès et procédé permettant d'attacher un terminal à l'opérateur
WO2009074072A1 (fr) Procédé, système de réseau et équipement de réseau de conversion de stratégie dynamique
WO2008028383A1 (fr) Procédé d'identification de protocole de couche 3 dans une interconnexion à supports hétérogènes dans un réseau privé virtuel de protocole l2 et appareil et système correspondants
JP4166609B2 (ja) 通信装置
WO2007107076A1 (fr) Procédé et dispositif d'accès utilisateur à large bande
WO2006081776A1 (fr) Méthode de communication et dispositif de protocole de liaison local différent
EP2073432B1 (fr) Procédé de liaison entre un terminal et un opérateur, et terminal correspondant
WO2016082454A1 (fr) Procédé et dispositif de traitement de renégociation
WO2009086776A1 (fr) Procédé, système et équipement pour accéder à un réseau privé virtuel

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: 08715089

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: 08715089

Country of ref document: EP

Kind code of ref document: A1