WO2011038646A1 - 一种pw业务的二层转发方法及系统 - Google Patents
一种pw业务的二层转发方法及系统 Download PDFInfo
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- WO2011038646A1 WO2011038646A1 PCT/CN2010/077095 CN2010077095W WO2011038646A1 WO 2011038646 A1 WO2011038646 A1 WO 2011038646A1 CN 2010077095 W CN2010077095 W CN 2010077095W WO 2011038646 A1 WO2011038646 A1 WO 2011038646A1
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Classifications
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- 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
- H04L45/68—Pseudowire emulation, e.g. IETF WG PWE3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2212/00—Encapsulation of packets
-
- 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
- H04L45/50—Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
Definitions
- the present invention relates to a pseudowire (PW) communication technology, and in particular, to a Layer 2 forwarding method and system for a PW service.
- PW pseudowire
- PW Pseudo Wire Emulation Edge-to-Edge
- CE Customer Edge
- AC Acttachment circuit
- the ordinary Ethernet packet For the pre-processing, from the CE device to the PE device, the ordinary Ethernet packet, the time division multiplexing (TDM) packet, the asynchronous transfer mode (ATM) packet, or the E1 packet is encapsulated into a VPN format.
- TDM time division multiplexing
- ATM asynchronous transfer mode
- the packet For the MPLS VPN, the packet is a two-layer label. From the PE device to the CE device, the label packet is stripped into the original payload packet, that is, the Ethernet packet, the TDM packet, the ATM packet, or the E1 packet. Text.
- For the routing from the CE device to the PE device, select the appropriate PE device for forwarding. From the PE device to the CE device, select the appropriate CE device for forwarding.
- the PWE3 emulation service For the PWE3 emulation service, it is usually added to the online card to add a sub-card, which is responsible for converting the emulation " ⁇ (such as TDM, ATM or El>3 ⁇ 4 ⁇ ) into Ethernet. And sending to the network processor, and then the network processor completes label encapsulation, routing, etc., because the prior art processes the pre-processing and forwarding to the network processor, and performs the forwarding operation while pre-processing , and network processors often need to perform other business flows. Therefore, the existing forwarding method greatly reduces the performance of the system, affects the processing speed of the network processor, and is not easy to maintain. Summary of the invention
- the main purpose of the present invention is to provide a Layer 2 forwarding method and system for PW services, which can improve the processing speed of the network processor and is easy to maintain.
- a Layer 2 forwarding method for a PW service includes:
- the pre-processing module writes the encapsulation table and the label table according to the PW information, and the routing module writes the MAC table according to the PW information;
- the pre-processing module and the routing module perform packet forwarding from the customer boundary CE to the device provider border PE according to the encapsulation table and the MAC table, and perform packet forwarding from the PE to the CE according to the label table and the MAC table.
- a plurality of Layer 3 interfaces are configured on the interface between the pre-processing module and the routing module, and are used as VLAN keys used in the MAC table.
- the pre-processing module and the routing module perform packet forwarding from the CE to the PE according to the encapsulation table and the MAC table:
- the pre-processing module After receiving the simulated service flow from the AC side, the pre-processing module encapsulates the service flow into a label message according to the encapsulation table, and sends the encapsulated label message to the routing module;
- the routing module After receiving the label packet, the routing module forwards the label packet through the destination MAC+ Layer 3 interface VLAN query MAC table.
- the routing module receives the label message from the PW side, and forwards the label message to the pre-processing module through the destination MAC+3 interface VLAN query MAC table;
- the pre-processing module strips the label information, and according to the label table, the simulation industry after stripping the label information
- the traffic is sent from the AC side.
- the preprocessing module is a simulation chip, and the routing module is a network processor.
- a Layer 2 forwarding system of a PW service comprising: a pre-processing module and a routing module, wherein the pre-processing module is configured to write a package table and a label table according to the PW information;
- the MAC table performs packet forwarding from the CE to the PE, and performs packet forwarding from the PE to the CE through the label table and the MAC table of the routing module.
- the routing module is configured to write a MAC table according to the PW information, perform packet forwarding from the CE to the PE by using the MAC table and the encapsulation table of the pre-processing module, and adopt a label table of the MAC table and the pre-processing module. Perform packet forwarding from the PE to the CE.
- a plurality of Layer 3 interfaces are configured on the interface between the pre-processing module and the routing module, and are used as VLAN keys used in the MAC table.
- the pre-processing module performs packet forwarding from the CE to the PE through the encapsulation table and the MAC table of the routing module, or the routing module performs the CE from the MAC table and the encapsulation table of the pre-processing module.
- the packet forwarding of the PE is as follows:
- the pre-processing module After receiving the simulated service flow from the AC side, the pre-processing module encapsulates the service flow into a label message according to the encapsulation table, and sends the encapsulated label message to the routing module;
- the routing module After receiving the label message from the pre-processing module, the routing module forwards the label message through the destination MAC+ Layer 3 interface VLAN query MAC table.
- the pre-processing module performs packet forwarding from the PE to the CE through the label table and the MAC table of the routing module, or the routing module performs the PE from the MAC table and the label table of the pre-processing module.
- the packet forwarding of the CE is as follows:
- the routing module After receiving the label message from the PW side, the routing module forwards the label message to the pre-processing module through the destination MAC+ Layer 3 interface VLAN query MAC table;
- the pre-processing module strips the label information, and sends the simulated service flow after the label information is stripped from the AC side according to the label table.
- the preprocessing module is a simulation chip, and the routing module is a network processor.
- the second layer forwarding method and system for the PW service of the present invention separates the preprocessing and forwarding functions, and combines the two by configuring a static MAC routing method.
- the preprocessing module first performs simulation preprocessing to TDM ⁇ , ATM ⁇ The ⁇ or El ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ , , El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El El
- FIG. 1 is a schematic flowchart of a Layer 2 forwarding method of a PW service according to the present invention
- FIG. 2 is a schematic diagram of a packet forwarding architecture of the present invention
- FIG. 3 is a schematic flowchart of packet forwarding from a CE to a PE according to the present invention
- FIG. 4 is a schematic flowchart of packet forwarding from a PE to a CE according to the present invention
- FIG. 5 is a schematic flowchart of packet forwarding from a CE to a PE according to Embodiment 1 of the present invention
- FIG. 6 is a schematic flowchart of packet forwarding from a PE to a CE according to Embodiment 1 of the present invention.
- the basic idea of the present invention is to: separate the pre-processing and forwarding functions, and combine the two by configuring a static MAC routing method.
- the pre-processing module first performs simulation pre-processing to convert TDM messages, ATM messages, or E1 messages.
- the VPN label is added to the pre-processing and sent to the routing module.
- the routing module forwards the Ethernet packet to the corresponding PW through the query of the MAC table.
- the Layer 2 forwarding method of a PW service of the present invention generally includes the following steps: Step 11: After the user configures the PW information, the pre-processing module writes the encapsulation table and the label table according to the PW information, and the routing module writes the MAC table from the CE to the PE and the MAC table from the PE to the CE according to the PW information.
- the pre-processing module mainly refers to a simulation chip
- the routing module mainly refers to a network processor.
- the interface between the pre-processing module and the routing module is generally configured with a plurality of Layer 3 interfaces (VLAN interfaces), which are used as VLANs used in the MAC table. Keys, the interface between the pre-processing module and the routing module is configured with several Layer 3 interfaces. That is, the pre-processing module and the routing module are connected through a virtual VLAN interface, and this VLAN is used as the key in the MAC table.
- VLAN interfaces Layer 3 interfaces
- the switch After the PW information is configured, the switch sends the PW information to the pre-processing module and the routing module respectively.
- the pre-processing module After receiving the PW information, the pre-processing module writes the encapsulation table information according to the entry AC in the PW information. For example, the public network label, the private network label, the next hop MAC, and the egress VLAN) are in the encapsulation table; and the label table is written according to the private network label, and the corresponding AC egress related information is written into the table; and the routing module is based on the next The sent PW information is obtained from the local Layer 3 interface (that is, the VLAN interface connected to the preprocessing module), and the MAC address from the CE to the PE is written according to the MAC address + VLAN interface of the preprocessing module, and the next hop exit information is obtained.
- the MAC table Write to the MAC table, and write the MAC address from the PE to the CE according to the MAC address + VLAN interface of the next hop device
- Step 12 The pre-processing module and the routing module perform packet forwarding from the CE to the PE according to the encapsulation table and the MAC table from the CE to the PE, and perform the slave according to the label table and the MAC table from the PE to the CE. Packet forwarding from the PE to the CE.
- FIG. 2 is a schematic diagram of a packet forwarding architecture of the present invention. As shown in FIG. 2, one end of the pre-processing module is connected to the AC, and the other end is connected to the routing module through a VLAN interface, and the other end of the routing module is connected to the PW.
- FIG. 3 is a schematic flowchart of packet forwarding from a CE to a PE according to the present invention.
- the packet forwarding process from the CE to the PE includes the following steps: Step 31: After receiving the simulated service flow from the AC side, the pre-processing module encapsulates the service flow into a label message according to the encapsulation table.
- the pre-processing module first performs the simulation pre-processing to convert the TDM packet, the ATM packet, or the E1 packet into the Ethernet packet, and then performs pre-processing to add the VPN label to the routing module, that is, the pre-processing module specifically includes the simulation conversion pre-processing.
- Module and label preprocessing module are two parts.
- Step 32 The pre-processing module sends the encapsulated label message to the routing module.
- Step 33 After receiving the label packet, the routing module forwards the label packet by querying the MAC table from the CE to the PE.
- the routing module queries the MAC table from the CE to the PE through the DA1+VLAN, finds the corresponding PW exit and forwards it, and DA1 is the destination MAC in the text described in step 31.
- the source MAC address is the MAC address of the pre-processing module. Therefore, after receiving the label packet, the routing module can determine that the label packet is from the pre-processing module.
- FIG. 4 is a schematic flowchart of packet forwarding from a PE to a CE according to the present invention. As shown in FIG. 4, the packet forwarding process from the PE to the CE includes the following steps:
- Step 41 The routing module receives the label message from the PW side.
- Step 42 The routing module forwards the label packet by querying the MAC table from the PE to the CE. Specifically, the routing module queries the MAC table from the PE to the CE through the DA2+VLAN, obtains the interface information corresponding to the pre-processing module, and forwards the label packet to the corresponding pre-processing mode.
- the block, DA2 is the destination MAC in the text described in step 41.
- Step 43 The pre-processing module strips the label information, and sends the simulated service flow after the label information is stripped from the AC side according to the label table.
- the present invention also provides a Layer 2 forwarding system for a PW service, the system comprising: a pre-processing module and a routing module;
- the pre-processing module is configured to write a package table and a label table according to the PW information; perform packet forwarding from the CE to the PE through the encapsulation table and the MAC table of the routing module, and pass the label table and the routing module
- the MAC table performs packet forwarding from the PE to the CE.
- the routing module is configured to write a MAC table according to the PW information, perform packet forwarding from the CE to the PE by using the MAC table and the encapsulation table of the pre-processing module, and adopt a label table of the MAC table and the pre-processing module. Perform packet forwarding from the PE to the CE.
- a plurality of Layer 3 interfaces are configured on the interface between the pre-processing module and the routing module, and are used as VLAN keys used in the MAC table.
- the pre-processing module performs packet forwarding from the CE to the PE through the encapsulation table and the MAC table of the routing module, or the routing module performs the CE from the MAC table and the encapsulation table of the pre-processing module.
- the packet forwarding of the PE is as follows:
- the pre-processing module After receiving the simulated service flow from the AC side, the pre-processing module encapsulates the service flow into a label message according to the encapsulation table, and sends the encapsulated label message to the routing module;
- the routing module After receiving the label message from the pre-processing module, the routing module forwards the label message through the destination MAC+ Layer 3 interface VLAN query MAC table.
- the pre-processing module performs packet forwarding from the PE to the CE through the label table and the MAC table of the routing module, or the routing module performs the PE from the MAC table and the label table of the pre-processing module.
- the packet forwarding of the CE is as follows:
- the routing module After receiving the label message from the PW side, the routing module forwards the label message to the pre-processing module through the destination MAC+Layer 3 interface VLAN query MAC table; The pre-processing module strips the label information, and sends the simulated service flow after the label information is stripped from the AC side according to the label table.
- the preprocessing module is a simulation chip, and the routing module is a network processor.
- the pre-processing module is a simulation chip
- the routing module is a network processor.
- Each emulation interface in the emulation chip corresponds to 63 channels, and each channel corresponds to one PW; when the configuration PW1 access service is configured, The corresponding port channel is assigned VLAN 1 of the Layer 3 interface.
- the MAC address of the emulation chip is MACA, the PW label is PwLabell, and the tunnel label is TunnelLabell.
- the frame MAC address of the next hop P device is MACB, and the Layer 3 interface is VLAN1.
- the interface (connected to the network processor) is PORT1, and the interface with the P device is PORT2;
- the encapsulation table is set, specific: Key value: Ingress channel information
- FIG. 5 is a schematic flowchart of packet forwarding from a CE to a PE according to Embodiment 1 of the present invention. As shown in FIG. 5, the packet forwarding from the CE to the PE in the first embodiment of the present invention includes the following steps:
- Step 51 After receiving the simulated service flow from the AC side, the emulation chip queries the encapsulation table according to the ingress AC.
- Step 52 The emulation chip encapsulates the service flow according to the encapsulation information obtained by querying the encapsulation table.
- Step 53 The emulation chip sends the encapsulated packet to the network processor.
- Step 54 The network processor determines that the received packet is from the emulation chip, and queries the MAC table through the MACB+VLAN1 in the packet to obtain the corresponding egress information PORT2.
- Step 55 The network processor sends the packet from PORT2 to the next hop P device.
- FIG. 6 is a schematic flowchart of packet forwarding from a PE to a CE according to Embodiment 1 of the present invention, as shown in FIG.
- the packet forwarding from the PE to the CE in the embodiment 1 of the present invention includes the following steps:
- Step 61 The packet is sent from the P device and reaches the PE device.
- Step 62 The network processor determines that the destination MAC address MACA of the >3 ⁇ 4 text is the emulation chip MAC address.
- the network processor determines that the destination MAC address of the message is not the emulation chip MAC When you address, you can transfer to other processes.
- Step 63 The network processor queries the MAC table through MACA+VLAN1, obtains the corresponding channel interface PORT1, and sends the packet to the emulation chip.
- Step 64 The emulation chip queries the corresponding label table through PwLabell to obtain corresponding AC export information.
- Step 65 The emulation chip strips the label according to the configuration information in the forwarding table, and sends the simulated service flow after the label information is stripped from the corresponding AC.
- the present invention separates the packet pre-processing and routing by the ordinary L2 forwarding mode, and the emulation chip completes the label encapsulation of the packet, and the network processor completes the routing operation, and configures the static MAC selection.
- the emulation chip completes the label encapsulation of the packet
- the network processor completes the routing operation, and configures the static MAC selection.
- different Layer 3 interface VLANs correspond to different PWs, and the two are effectively combined.
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Application Number | Priority Date | Filing Date | Title |
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BR112012007031-2A BR112012007031B1 (pt) | 2009-09-30 | 2010-09-19 | Método de encaminhamento de duas camadas para um serviço de pseudo wire (pw) , sistema de encaminhamento de duas camadas para um serviço pw e sistema para um serviço pw |
EP10819875.5A EP2485451B1 (en) | 2009-09-30 | 2010-09-19 | Two-layer forwarding method for a pseudo wire (pw) service and system thereof |
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CN200910235289.4 | 2009-09-30 | ||
CN200910235289A CN101697547B (zh) | 2009-09-30 | 2009-09-30 | 一种pw业务的二层转发方法及系统 |
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CN (1) | CN101697547B (zh) |
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CN101697547B (zh) * | 2009-09-30 | 2012-09-26 | 中兴通讯股份有限公司 | 一种pw业务的二层转发方法及系统 |
CN101895480B (zh) * | 2010-08-18 | 2012-11-28 | 杭州华三通信技术有限公司 | 一种报文的传输方法和设备 |
ES2559447T3 (es) * | 2010-09-03 | 2016-02-12 | Huawei Technologies Co., Ltd. | Sistema y método para Servicio de Red de Área Local Privada Virtual para utilizar el denominado pseudo-circuito consciente del flujo |
CN102025626B (zh) * | 2010-12-09 | 2014-12-10 | 中兴通讯股份有限公司 | 转发组播数据报文的方法和提供商边缘设备 |
CN103532850B (zh) * | 2013-09-29 | 2017-05-24 | 福建星网锐捷网络有限公司 | 一种上行报文转发方法、装置及接入点ap设备 |
CN104702477B (zh) * | 2013-12-06 | 2019-04-05 | 中兴通讯股份有限公司 | 一种实现隧道保护的方法及装置、网络设备 |
CN105119824B (zh) * | 2015-06-30 | 2018-11-16 | 华为技术有限公司 | 一种报文转发方法和装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1905509A (zh) * | 2006-08-03 | 2007-01-31 | 华为技术有限公司 | 用户接入虚拟专用局域网服务的方法和系统 |
CN101355514A (zh) * | 2008-09-03 | 2009-01-28 | 中兴通讯股份有限公司 | 一种带vlan标签的数据报文在二层vpn中的传输方法 |
CN101697547A (zh) * | 2009-09-30 | 2010-04-21 | 中兴通讯股份有限公司 | 一种pw业务的二层转发方法及系统 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7417950B2 (en) * | 2003-02-03 | 2008-08-26 | Ciena Corporation | Method and apparatus for performing data flow ingress/egress admission control in a provider network |
US20060182113A1 (en) * | 2005-02-17 | 2006-08-17 | Lucent Technologies Inc. | Automatic discovery of pseudo-wire peer addresses in ethernet-based networks |
CN101001196A (zh) * | 2007-01-25 | 2007-07-18 | 华为技术有限公司 | 一种建立伪线隧道并利用其传送报文的方法和装置 |
US7948874B2 (en) * | 2007-05-24 | 2011-05-24 | World Wide Packets, Inc. | Transitioning a virtual interface from one tunnel to another tunnel |
CN101521631B (zh) * | 2009-04-14 | 2012-05-23 | 华为技术有限公司 | Vpls网络报文处理方法、设备及系统 |
-
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- 2010-09-19 WO PCT/CN2010/077095 patent/WO2011038646A1/zh active Application Filing
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1905509A (zh) * | 2006-08-03 | 2007-01-31 | 华为技术有限公司 | 用户接入虚拟专用局域网服务的方法和系统 |
CN101355514A (zh) * | 2008-09-03 | 2009-01-28 | 中兴通讯股份有限公司 | 一种带vlan标签的数据报文在二层vpn中的传输方法 |
CN101697547A (zh) * | 2009-09-30 | 2010-04-21 | 中兴通讯股份有限公司 | 一种pw业务的二层转发方法及系统 |
Non-Patent Citations (1)
Title |
---|
XU MINGHAI ET AL: "VPLS Technology and its Applications", ZTE COMMUNICATIONS, vol. 14, no. 6, December 2008 (2008-12-01), pages 13 - 17, XP008160579 * |
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BR112012007031A2 (pt) | 2016-04-12 |
EP2485451B1 (en) | 2018-04-18 |
BR112012007031B1 (pt) | 2021-08-03 |
EP2485451A1 (en) | 2012-08-08 |
CN101697547B (zh) | 2012-09-26 |
EP2485451A4 (en) | 2013-07-31 |
CN101697547A (zh) | 2010-04-21 |
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