WO2012055247A1 - 伪线路由扩散方法和设备 - Google Patents
伪线路由扩散方法和设备 Download PDFInfo
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- WO2012055247A1 WO2012055247A1 PCT/CN2011/075749 CN2011075749W WO2012055247A1 WO 2012055247 A1 WO2012055247 A1 WO 2012055247A1 CN 2011075749 W CN2011075749 W CN 2011075749W WO 2012055247 A1 WO2012055247 A1 WO 2012055247A1
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- Prior art keywords
- protocol message
- pseudo
- line
- access
- routing protocol
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 18
- 238000004220 aggregation Methods 0.000 claims abstract description 34
- 230000002776 aggregation Effects 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000003892 spreading Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000013507 mapping Methods 0.000 claims description 9
- 238000010295 mobile communication Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 239000000284 extract Substances 0.000 description 9
- 230000006870 function Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
- H04L45/033—Topology update or discovery by updating distance vector protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5603—Access techniques
-
- 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
- H04L45/02—Topology update or discovery
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a method and device for distributing a pseudo line. Background technique
- PseudoWire is a kind of packet switching network (PSN) that carries a key element of a simulation service from one provider to another (Provider Edge, ⁇ ) to another or multiple devices. mechanism.
- PSN packet switching network
- SS-PW Single-Segment PseudoWire
- MS-PW Multi-Segment PseudoWire
- an access device such as a Subscriber Line Access Multiplexer (DSLAM) spreads the PW route to each node device in the network, thereby enabling access devices (such as DSLAM) and switching.
- DSLAM Subscriber Line Access Multiplexer
- the Switching PE S-PE can automatically find the destination node device based on the routing information to complete data exchange.
- the PW route diffusion method is as shown in FIG. 1 , in which an access device (such as a DSLAM1) uses an Interior Gateway Protocol (IGP) or a multi-protocol extended border gateway protocol (Multiple Protocol Border Gateway Protocol).
- IGP Interior Gateway Protocol
- MP-BGP Multi-protocol extended border gateway protocol
- the aggregation node device (such as router 1) also uses the IGP or MP-BGP protocol message to extend the PW route of the aggregation node device to Switching device S-PE; After receiving the PW route, the switching device S-PE uses the IGP or MP-BGP protocol message to extend the PW route to other node devices in the network (such as router Router2 and access device DSLAM2); other node devices (For example, Router2 and DSLAM2) extract PW routes from IGP or MP-BGP protocol messages to complete the spread of PW routes in the network.
- the access device is usually only a Layer 2 device.
- the access device needs to upgrade the control plane to Layer 3, which not only increases the complexity of the access device, but also increases the burden on the access device.
- the technical problem to be solved by the embodiments of the present invention is to provide a pseudo-channel spreading method, a system, and a sink node device, which are used to reduce the complexity of the access device.
- Embodiments of the present invention provide a method for spreading a pseudo line, including:
- Non-routing protocol message is an access node control protocol message carrying port information of the access device
- the embodiment of the present invention further provides a sink node device, including:
- a receiving module configured to receive a non-routing protocol message sent by the access device, where the non-routing protocol message is an access node control protocol message carrying port information;
- An obtaining module configured to obtain, according to the non-routing protocol message received by the receiving module, a pseudo-line of the access device
- a generating module configured to generate, according to the pseudo line obtained by the acquiring module, a routing protocol message carrying the pseudo line
- a sending module configured to send the routing protocol message generated by the generating module to the switching device, so that the switching device diffuses the pseudo line by;
- the obtaining module includes:
- a searching unit configured to search for an access circuit identifier corresponding to the port information from a mapping relationship between the pre-configured port information and the access circuit identifier according to the port information carried in the access node control protocol message;
- an encapsulating unit configured to encapsulate the access circuit identifier and a global identifier and a prefix of the access device into a pseudo-line of the access device.
- the embodiment of the invention further provides a method for diffusing a pseudo line, comprising:
- Non-routing protocol message is an access node control protocol message of the pseudo-line carrying the access device, where the pseudo-line of the access device is indicated by the indication access circuit
- the global identifier and prefix of the access device is an access node control protocol message of the pseudo-line carrying the access device, where the pseudo-line of the access device is indicated by the indication access circuit
- the embodiment of the invention further provides a sink node device, including:
- a receiving module configured to receive a non-routing protocol message sent by the access device, where the non-routing protocol message is an access node control protocol message of the pseudo-line carrying the access device, and the pseudo-line of the access device is indicated by the access a circuit identifier, a global identifier of the access device, and a prefix;
- An obtaining module configured to obtain, according to the non-routing protocol message received by the receiving module, a pseudo-line of the access device
- a generating module configured to generate, according to the pseudo line obtained by the acquiring module, a routing protocol message carrying the pseudo line
- a sending module configured to send the routing protocol message generated by the generating module to the switching device, so that the switching device diffuses the pseudo line by.
- the sink node device receives the non-routing protocol message sent from the access device, where the non-routing protocol message carries the port information of the pseudo-line or the access device, and obtains the pseudo-line according to the non-routing protocol message. And generating a routing protocol message carrying the pseudo line to send to the switching device, so that the switching device diffuses the pseudo line, and prevents the access device from sending the routing protocol message, so that the access device only needs to maintain the pseudo line of the access device. Passing the pseudo line in the Layer 2 network reduces the complexity of the access device.
- 1 is a schematic diagram of a pseudo-line release of a multi-segment pseudowire in the prior art
- 2 is a schematic diagram of a PW route extension in a first embodiment provided by the present invention
- FIG. 3 is a flow chart of a method for diffusing a pseudo line according to a first embodiment of the present invention
- FIG. 4 is a flow chart of a method for diffusing a pseudo line according to a second embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of an ANCP extension field in a second embodiment provided by the present invention
- FIG. 6 is a schematic structural diagram of an ETH OAM extension field in a second embodiment provided by the present invention
- FIG. 7 is a third embodiment provided by the present invention. a pseudo flow line by a flow chart of the diffusion method
- FIG. 8 is a schematic structural diagram of a sink node device according to a fourth embodiment of the present invention.
- FIG. 9 is a schematic structural view of a pseudo-line diffusion system according to a fifth embodiment of the present invention.
- FIG. 10 is a schematic diagram of another pseudo-line diffusion system according to a fifth embodiment of the present invention. Still another pseudo-circuit of the fifth embodiment is illustrated by the structure of the diffusion system
- a pseudo-line spreading method In the embodiment of the present invention, a pseudo-line spreading method, a system, and a sink node device are provided, which are used to reduce the complexity and burden of the access device. The details are described below separately.
- Embodiment 1 is a diagrammatic representation of Embodiment 1:
- the access device DSLAM1 to the sink node device Router1, and the access device DSLAM2 to the sink node device Router2 are generally referred to as access segments, and non-routing protocols can be used to transmit messages on the access segment.
- non-routing protocols can be used to transmit messages on the access segment.
- the distribution of PW routes by the configuration protocol specific to the access device can simplify the complexity and burden of the access device.
- access devices such as DSLAM1 and DSLAM2
- can use unique configuration protocols such as Access Node Control Protocol (ANCP) or Ethernet Operation, Administration and Maintenance.
- ANCP Access Node Control Protocol
- ETH OAM Ethernet Operation, Administration and Maintenance
- PW route diffusion of access devices can be implemented using ANCP protocol.
- ANCP Access Node Control Protocol
- ETH OAM Ethernet Operation, Administration and Maintenance
- GPON Gigabit-Capable PON
- the basic flow of the pseudo-line diffusion method according to the first embodiment of the present invention can be referred to FIG. 3, and the pseudo-line diffusion method is:
- Step 301 The sink node device receives a non-routing protocol message sent from the access device, where the non-routing protocol message carries the port information of the pseudo-line or the access device.
- the access device maintains a pseudo-line by the table, and the access device sends a non-routing protocol message carrying the pseudo-line to the sink node device.
- the access device does not maintain its own pseudo-line list, and the sink node device maintains the pseudo-line list, and the access device sends a non-routing protocol message carrying the port information of the access device to the aggregation. Node device.
- the non-routing protocol message is specifically a Layer 2 management protocol message such as an ANCP protocol message or an ETH OAM protocol message.
- Step 302 The sink node device obtains a pseudo line according to the non-routing protocol message.
- the pseudo-line is directly obtained from the non-routing protocol message.
- the sink node device may The port information is used to search for the AC ID corresponding to the port information from the mapping between the pre-configured port information and the access circuit identifier (AC ID), and the AC ID and the global ID of the access device (Global ID).
- the prefix (Prefix) is encapsulated into an Attachment Individual Identifier (All) information, that is, encapsulated into a pseudo-line.
- Step 303 The sink node device generates a routing protocol message according to the pseudo line, and sends the routing protocol message to the switching device, so that the switching device diffuses the pseudo line.
- the aggregation node device transmits the message carrying the pseudo line to the S-PE through the MP-BGP protocol or the IGP protocol, and the S-PE diffuses the pseudo line to other sections through the MP-BGP protocol or the IGP protocol. Point device.
- the sink node device receives the non-routing protocol message sent from the access device, where the non-routing protocol message carries the port information of the pseudo-line or the access device, and obtains the pseudo-line according to the non-routing protocol message. And generating a routing protocol message carrying the pseudo line to send to the switching device, so that the switching device diffuses the pseudo line by, preventing the access device from sending a routing protocol message, so that the access device only needs to maintain the pseudo of the access device.
- the line is used to implement the transmission of the pseudo line in the Layer 2 network, which reduces the complexity of the access device.
- Embodiment 2 is a diagrammatic representation of Embodiment 1:
- a PW route of a diffusion access device (such as a DSLAM) is implemented by using a specially configured non-routing protocol such as an ANCP protocol or an ETH OAM protocol.
- the PW route extension diagram of this embodiment is the same as that of FIG. 2.
- the ANCP protocol is used in a DSL or Ethernet access scenario
- the Eth OAM protocol is used in a GPON access scenario, but other conditions are not excluded, such as the ETH OAM protocol for DSL or Ethernet or EPON access scenarios.
- Step 401 The access device DSLAM1 enables the PW routing function, and encapsulates the Global ID, Prefix, and AC ID of the access device DSLAM1 into ⁇ Information, that is, encapsulated into PW routes.
- Step 402 The access device DSLAM1 carries the ⁇ information (that is, the PW route) and reports it to the aggregation node device Router1 through a specially configured non-routing protocol message, such as an ANCP protocol message or an ETH OAM protocol message.
- a specially configured non-routing protocol message such as an ANCP protocol message or an ETH OAM protocol message.
- the ANCP protocol uses the Global System for Mobile Communications (GSM) protocol to implement topology discovery, line configuration and operation, administration and maintenance (OAM) functions.
- GSM Global System for Mobile Communications
- OAM administration and maintenance
- the ANCP protocol can add an extension field based on the GSM version 3 protocol.
- the extension field uses the Type, Length, Value, TLV format, in addition to topology discovery, line configuration, and OAM functions. In addition, it can be used for new features.
- the format of the extended field is as shown in FIG. 5.
- the extension field is used to implement the transmission of the ⁇ information (that is, the PW route) in the ANCP protocol message.
- the Message Type defines a new type, which can be named as a PW route type, has a TLV attribute, and carries variable length information.
- the basic structure of the ETH OAM protocol message is shown in Figure 6.
- the code value of OxFE can be Device vendor definition, support for unique features.
- the code field is used to implement the transmission of the ⁇ information (ie, PW route) in the ETH OAM protocol message.
- ⁇ information ie, PW route
- a new Organizationally Unique Identifier UAI
- the PW routing OUI can be named, and the TLV attribute is provided, and the variable length information is carried.
- Step 403 The aggregation node device Router1 receives the ANCP protocol message or the ETH 0 AM protocol message carrying the ⁇ information (that is, the PW route).
- Step 404 The aggregation node device Router1 extracts the ⁇ information (that is, the PW route) in the ANCP protocol message or the ETH OAM protocol message, and generates an MP-BGP protocol message or an IGP protocol message carrying the ⁇ information (that is, the PW route).
- the local routing table may be updated according to the ⁇ information (that is, the PW route).
- Step 405 The aggregation node device Router1 transmits the ⁇ information (that is, the PW route) to the switching device S-PE through the MP-BGP protocol message or the IGP protocol message.
- the IP edge device can group multiple pieces of information into one group and uniformly encapsulate it into one message and send it to the S-PE to improve the efficiency of the protocol.
- Step 406 The switching device S-PE obtains the ⁇ information (that is, the PW route) according to the received message, and updates the ⁇ information (that is, the PW route) to the PW routing table.
- Step 407 The switching device S-PE sends the MP-BGP protocol message or the IGP protocol message carrying the ⁇ information (that is, the PW route) to the aggregation node device Router2.
- Step 408 The aggregation node device Router2 receives the MP-BGP protocol message or the IGP protocol message carrying the ⁇ information (that is, the PW route).
- Step 409 The aggregation node device Router2 obtains the ⁇ information (that is, the PW route) in the MP-BGP protocol message or the IGP protocol message, and generates the ANCP message carrying the ⁇ information (that is, the PW route) by using the ⁇ information (that is, the PW route). Configured non-routing protocol messages).
- the aggregation node device may also use the ⁇ information (that is, the PW route) to be used for the local PW service. Therefore, the corresponding routing entry of the ⁇ information is also generated in the local PW routing table.
- the local routing table may be updated according to the ⁇ information (that is, the PW route).
- the aggregation node device Router2 sends an ANCP message carrying the ⁇ information (that is, the PW route) to the access device DSLAM2;
- Step 411 The access device DSLAM2 receives the ANCP protocol message carrying the ⁇ information (that is, the PW route), extracts the ⁇ information in the ANCP protocol message, updates the PW routing table, and indicates that the next hop of the PW route is the switching device S- PE.
- the above steps are reciprocated in the various switching devices and access devices and the sink node devices of the network, realizing the spread of the pseudowires between the nodes of the network.
- the aggregation node device Router1 can also receive the second routing protocol message (such as an IGP protocol message or an MP-BGP protocol message) sent by the switching device S-PE, where the second routing protocol message carries the second
- the second pseudo line of the access device DSLAM2 is configured to: obtain the second pseudo line according to the second routing protocol message, and generate a second non-routing protocol for carrying the second pseudo line according to the obtained second pseudo line A message (such as an ANCP protocol message or a Layer 2 management protocol message such as an ETH OAM protocol message), and sends a second non-routing protocol message to the access device DSLAM2.
- the sink node device receives the non-routing protocol message sent from the access device, where the non-routing protocol message carries the port information of the pseudo-line or the access device, and obtains the pseudo-line according to the non-routing protocol message. And generating a routing protocol message carrying the pseudo line to send to the switching device, so that the switching device diffuses the pseudo line by, preventing the access device from sending a routing protocol message, so that the access device only needs to maintain the pseudo of the access device.
- the line is used to implement the transmission of the pseudo line in the Layer 2 network, which reduces the complexity of the access device.
- Embodiment 3 is a diagrammatic representation of Embodiment 3
- the PW route of the access device needs to be maintained and advertised by the access device.
- the PW route of the DSLAM1 needs to be maintained and advertised by the DSLAM1 itself, and the PW routing table is maintained in the DSLAM1.
- the aggregation node device agent maintains the PW route of the access device, and the aggregation node device is controlled by the existing configuration protocol (such as ANCP protocol or ETH OAM protocol) between the aggregation node device and the access device. Maintenance of the PW route of the access device.
- the PW route of the DSLAM1 is maintained on the node of the aggregation node, and the PW route of Router1 is also maintained.
- the following uses the ANCP protocol or the ETH OAM protocol to implement the PW routing of the DSLAM1.
- the ANCP protocol is used in DSL or Ethernet access scenarios, and the Eth OAM protocol is used.
- the EPON access scenario but does not exclude other situations, such as ETH OAM protocol for DSL or Ethernet or GPON access scenarios.
- FIG. 7 it is a flowchart of a method for diffusing a pseudo line provided by the embodiment, and the method for spreading the pseudo line includes:
- Step 701 Pre-configure a mapping relationship between the port information of the access device and the AC ID in the aggregation node device.
- the operator can manually configure the mapping between the port information of the access device and the AC ID in the aggregation node device in the form of a configuration file.
- the port information of the access device may include DSL or Optical Network Unit (ONU) port information, and/or includes optical line terminal (OLT) port information; the AC ID may be port information, or Is a logical number for port information.
- the DSL or ONU port information may be an Access Loop Identifier (ALI) or a Circuit ID.
- ALI Access Loop Identifier
- DSL or ONU port information As DSLAM or ONU ID eth slot2/port2 [: vlan-id];
- the above OLT port information can be: Access-Node-Identifier slotl/portl [: vlan-id];
- the access-Node-Identifier is the identifier of the OLT.
- the slotl/portl is the chassis number, the rack number, the frame number, the slot number, and the sub-slot of the OLT.
- the ONU ID is the ONU identifier, and the slot2/port2 is the chassis number, the rack number, and the frame on the ONU.
- vpi.vci is the virtual path identifier and virtual channel identifier on the DSL line
- VLAN ID is the virtual local area network identifier;
- the "DSL or ONU port information" may also be a specific type of ATM cell, Time Division Multiplex (TDM) time slot, Ethernet (ETH) frame, or Internet Protocol (IP) packet.
- TDM Time Division Multiplex
- ETH Ethernet
- IP Internet Protocol
- the ONU port information can contain the virtual path identifier of the ATM (Virtual Path Identifier, VPI) and Virtual Channel Identifier (VCI), TDM slot number, Media Access Control (MAC) address, Virtual Local Area Network ID (VLAN ID), Ethernet Priority, IP address, Differentiated Services Code Point (DSCP), etc.
- VPI Virtual Path Identifier
- VCI Virtual Channel Identifier
- MAC Media Access Control
- VLAN ID Virtual Local Area Network ID
- Ethernet Priority IP address
- DSCP Differentiated Services Code Point
- Step 702 The access device (such as the DSLAM1) reports the port information to the sink node device through the ANCP protocol message or the ETH OAM protocol message.
- the access device (such as the DSLAM1) reports the port information to the sink node device through the ANCP protocol message or the ETH OAM protocol message.
- Step 703 The aggregation node device (for example, Router1) searches for the mapping between the pre-configured port information and the AC ID according to the received port information, and obtains the AC ID corresponding to the port information, and the AC ID and the Global ID of the access device. Prefix encapsulated into information (ie PW routing);
- Step 704 The aggregation node device updates the PW routing table according to the generated UI information.
- Step 705 The aggregation node device transmits the ⁇ information (that is, the PW route) to the switching device S-PE through the MP-BGP protocol message or the IGP protocol message. According to actual needs, the aggregation node device can group multiple pieces of information into one group. Give S-PE to improve the efficiency of the protocol.
- Step 706 The switching device S-PE obtains the ⁇ information according to the received message, and updates the PW routing table.
- Step 708 The aggregation node device Router2 extracts the ⁇ information (that is, the PW route) from the received MP-BGP protocol message or the IGP protocol message, and updates the PW routing table.
- ⁇ information that is, the PW route
- Step 709 The aggregation node device Router2 sends an ANCP protocol message or an ETH OAM protocol message carrying the ⁇ information (that is, the PW route) to the access device DSLAM2, and the access device DSLAM2 extracts the ⁇ information (that is, the PW route), and updates the PW routing table.
- the aggregation node device and the switching device maintain the routing tables of the PW routes, and perform the above steps back and forth, completing the diffusion of the pseudo lines by the network.
- the aggregation node device Router1 can also receive the second routing protocol message (for example, an IGP protocol message or an MP-BGP protocol message) sent by the switching device S-PE, where the second routing protocol message carries the second connection. And generating, by the second routing protocol message, the second pseudo-wire according to the second routing protocol message, and generating, by the second pseudo-line, the second non-routing protocol message carrying the second pseudo-line (for example, a Layer 2 management protocol message such as an ANCP protocol message or an ETH OAM protocol message), and sending a second non-routing protocol message to the access device DSLAM2.
- the second routing protocol message for example, an IGP protocol message or an MP-BGP protocol message
- the second routing protocol message carries the second connection.
- the sink node device receives the non-routing protocol message sent from the access device, where the non-routing protocol message carries the port information of the pseudo-line or the access device, and obtains the pseudo-line according to the non-routing protocol message. And generating a routing protocol message carrying the pseudo line to send to the switching device, so that the switching device diffuses the pseudo line by, preventing the access device from sending a routing protocol message, so that the access device only needs to maintain the pseudo of the access device.
- the line is used to implement the transmission of the pseudo line in the Layer 2 network, which reduces the complexity of the access device.
- Embodiment 4 is a diagrammatic representation of Embodiment 4:
- FIG. 8 is a schematic structural diagram of a sink node device according to an embodiment of the present invention, including:
- the receiving module 11 is configured to receive a non-routing protocol message sent by the access device, where the non-routing protocol message carries the pseudo-line of the access device or the port information of the access device.
- the obtaining module 12 is configured to obtain a pseudowire route according to the non-routing protocol message received by the receiving module 11.
- the generating module 13 is configured to generate a routing protocol message carrying the pseudo line according to the pseudo line obtained by acquiring the modulo 12 block.
- the sending module 14 is configured to send the routing protocol message generated by the generating module 13 to the switching device, so that the switching device diffuses the pseudo line by;
- the non-routing protocol message may be a Layer 2 management protocol message such as an ANCP protocol message or an ⁇ protocol message.
- the obtaining module 12 may include:
- the searching unit 121 is configured to: when the non-routing protocol message received by the receiving module 11 carries port information, search for the port according to the mapping relationship between the pre-configured port information and the access circuit identifier according to the port information carried in the non-routing protocol message.
- the access circuit identifier corresponding to the information
- the encapsulating unit 122 is configured to encapsulate the access circuit identifier and the global identifier of the access device and the prefix of the access device into the pseudo-wire of the access device, and output the same to the generating module 13, as shown in FIG.
- the obtaining module 12 may include: The obtaining unit 123 is configured to: when the non-routing protocol message received by the receiving module 11 carries the pseudo-line, the pseudo-line is directly extracted from the non-routing protocol message, and output to the generating module 13, as shown in FIG.
- the receiving module 11 is further configured to receive a second routing protocol message sent by the switching device, where the second routing protocol message carries the second pseudo line of the second access device;
- the obtaining module 12 is further configured to obtain the second pseudo line according to the second routing protocol message received by the receiving module 11;
- the generating module 13 is further configured to generate, according to the second pseudo line acquired by the obtaining module 12, a second non-routing protocol message carrying the second pseudo line;
- the sending module 14 is further configured to send the second non-routing protocol message generated by the generating module 13 to the access device;
- the second non-routing protocol message may be a Layer 2 management protocol message such as an ANCP protocol message or an ETH OAM protocol message.
- the receiving module 11 receives the non-routing protocol message sent from the access device, where the non-routing protocol message carries the port information of the pseudo-line or the access device, and the obtaining module 12 obtains the pseudo according to the non-routing protocol message.
- the routing module generates, by the generating module 13, a routing protocol message carrying the pseudo-line, which is sent by the sending module 14 to the switching device, so that the switching device spreads the pseudo-route, so that the access device can send the routing protocol message, so that the access device can only maintain
- the pseudo-line of the access device implements the transmission of the pseudo-line in the Layer 2 network, which reduces the complexity of the access device.
- Embodiment 5 is a diagrammatic representation of Embodiment 5:
- FIG. 11 is a schematic diagram of a pseudo-line diffusion system according to an embodiment of the present invention.
- the access device 1 is configured to send a non-routing protocol message to the sink node device 2, where the non-routing protocol message carries the pseudo-line of the access device 1 or the port information of the access device 1;
- the aggregation node device 2 is configured to receive a non-routing protocol message sent from the access device 1, and extract, according to the non-routing protocol message, a pseudo-line of the access device 1; according to the pseudo-line, generate and carry the pseudo-line Routing the protocol message, and sending the routing protocol message to the switching device 3;
- the switching device 3 is configured to receive a routing protocol message sent by the sink node device 2, and extract the pseudowire Routing, and spreading the pseudowire to other access devices or sink node devices;
- the non-routing protocol message may be a Layer 2 management protocol message such as an ANCP protocol message or an ⁇ protocol message.
- the sink node device 2 receives the non-routing protocol message sent from the access device 1, and the non-routing protocol message carries the pseudo-line of the access device 1 or the port information of the access device 1, according to the non-routing.
- the protocol message is obtained, and the routing protocol message carrying the pseudo line is generated and sent to the switching device 3 to prevent the access device 1 from sending a routing protocol message, so that the access device 1 only needs to maintain the pseudo line of the access device 1.
- the complexity of the access device 1 is reduced.
- the program may be stored in a computer readable storage medium, and the storage medium may include: Flash disk, Read-Only Memory (ROM), Random Access Memory (RAM), disk or CD.
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Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11835521.3A EP2624507B1 (en) | 2010-10-26 | 2011-06-15 | Pseudo-wire routing diffusion method and device |
ES11835521.3T ES2526576T3 (es) | 2010-10-26 | 2011-06-15 | Método y dispositivo de difusión de enrutamiento de pseudocable |
RU2013123695/08A RU2555243C2 (ru) | 2010-10-26 | 2011-06-15 | Способ и устройство для распространения псевдопроводного маршрута |
CA2815402A CA2815402C (en) | 2010-10-26 | 2011-06-15 | Method and equipment for diffusing pseudowire route |
AU2011320276A AU2011320276B2 (en) | 2010-10-26 | 2011-06-15 | Method and equipment for diffusing pseudo wire route |
JP2013535249A JP5774711B2 (ja) | 2010-10-26 | 2011-06-15 | 擬似回線ルーティング伝播の方法および装置 |
KR1020137011826A KR101451642B1 (ko) | 2010-10-26 | 2011-06-15 | 의사회선 라우트를 확산시키기 위한 방법 및 장비 |
US13/868,728 US20130230045A1 (en) | 2010-10-26 | 2013-04-23 | Method and equipment for diffusing pseudowire route |
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JP2016510967A (ja) * | 2013-03-15 | 2016-04-11 | アルカテル−ルーセント | 疑似回線を集約するためのシステムおよび方法 |
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CN110089052B (zh) | 2016-12-21 | 2022-02-08 | 英国电讯有限公司 | 网络节点和通信网络 |
US10218607B2 (en) | 2017-01-27 | 2019-02-26 | At&T Intellectual Property I, L.P. | Flow distribution using fabric access tunnels |
CN109495594B (zh) * | 2017-09-11 | 2022-03-29 | 华为技术有限公司 | 一种数据传输方法、pnf sdn控制器、vnf sdn控制器及系统 |
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CA2815402C (en) | 2017-05-16 |
CA2815402A1 (en) | 2012-05-03 |
CN102148748B (zh) | 2014-05-21 |
EP2624507B1 (en) | 2014-10-08 |
ES2526576T3 (es) | 2015-01-13 |
JP2013546240A (ja) | 2013-12-26 |
AU2011320276A1 (en) | 2013-06-06 |
US20130230045A1 (en) | 2013-09-05 |
CN102148748A (zh) | 2011-08-10 |
EP2624507A4 (en) | 2013-10-23 |
RU2013123695A (ru) | 2014-12-10 |
JP5774711B2 (ja) | 2015-09-09 |
AU2011320276B2 (en) | 2015-04-23 |
RU2555243C2 (ru) | 2015-07-10 |
EP2624507A1 (en) | 2013-08-07 |
KR20130099147A (ko) | 2013-09-05 |
KR101451642B1 (ko) | 2014-10-16 |
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