CN104753722A - DNI-PW (double node interconnection-pseudo wire) quick changeover implementing method and DNI-PW quick changeover implementing system - Google Patents
DNI-PW (double node interconnection-pseudo wire) quick changeover implementing method and DNI-PW quick changeover implementing system Download PDFInfo
- Publication number
- CN104753722A CN104753722A CN201510161616.1A CN201510161616A CN104753722A CN 104753722 A CN104753722 A CN 104753722A CN 201510161616 A CN201510161616 A CN 201510161616A CN 104753722 A CN104753722 A CN 104753722A
- Authority
- CN
- China
- Prior art keywords
- dni
- business
- vpws
- aggregation node
- primary
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a DNI-PW (double node interconnection-pseudo wire) quick changeover implementing method and a DNI-PW quick changeover implementing system, and relates to the field of communication. The method comprises the following steps of adding an intf_tbl table in a main VPWS ( virtual private wire service); adding a l2ve_bridge_tbl table in a standby VPWS; performing bridge connection on uplink business on a main convergent node to an L3VPN (layer-3 virtual private network) through an L2VE1 and an L3VE1 and performing downlink business on a main convergent node to the main VPWS through the L3VE1 and L2VE1 if faults do not occur; performing bridge connection on the uplink business on a standby convergent node to the L3VPN through the L2VE1 and the L3VE1 and performing bridge connection on the downlink business on the standby convergent node to the standby VPWS through the L2VE1 and the L3VE1 if power fails; and performing bridge connection on the uplink business on the standby convergent node to a DNI-PW through the L2VE1 and an L2VE0, performing the downlink business on the main convergent node to the DNI-PW through the L3VE1 and the L2VE0, and performing the downlink business on the standby convergent node to the standby VPWS through the L2VE0 and the L2VE1 if a driving plate fails or business fibers are broken. By the DNI-PW quick changeover implementing method and the DNI-PW quick changeover implementing system, the working amount of software refreshing is reduced when changeover is carried out, and the uplink and downlink changeover speed of the business is increased.
Description
Technical field
The present invention relates to communication technical field, is specifically a kind of DNI-PW (Dual Node Interconnection Pseudo Wire, the interconnected pseudo-line of binode) implementation method of switching fast and system.
Background technology
Along with diversification is moved towards in the rise of the Internet and application, the Internet more and more profoundly changes the study of people, work and life style.For supporting the development of the Internet, the network size of telecom operators is increasing, and structure also becomes increasingly complex, and has higher requirement to the stability of network simultaneously.
Carrier network is generally divided into backbone network and metropolitan area network double-layer structure, and backbone network can be divided into again three levels: core layer, convergence-level, Access Layer.Between the convergence device of two ends, can DNI-PW be set, to realize protecting a few of N bar VPWS or all with 1 VPWS (Virtual Pseudo Wire Service, virtual private wire business) (DNI-PW).
When carrier network occur access ring primary path break the faults such as fibre, primary aggregation node driver chuck, primary aggregation node power down time, must detect fault in time, complete the switching of flow fast, thus guarantee business can be repaired fast, but there is several lower a few point defect in traditional method:
1, descending switching needs the N number of Host Status refreshed in every bar VC (Virtual Circuit, virtual circuit) to cause switching time long.
2, control plane needs perception service switch status and increases software complexity.
3, during primary node loses power, up switching needs Refresh Services bridge status one by one to cause switching time long.
Therefore a kind of method that DNI-PW of realization switches fast is needed badly.
Summary of the invention
For the defect existed in prior art, the object of the present invention is to provide a kind of DNI-PW implementation method of switching fast and system, The present invention reduces workload; Be that control plane shields the difference of Signalling exchange before and after switch at forwarding plane, the process that the agreement of control plane does not need perception to switch; Improve and uply switch speed.
For reaching above object, the technical scheme that the present invention takes is: a kind of DNI-PW implementation method of switching fast, be applied to virtual private wire business VPWS network, described VPWS network comprises primary VPWS, VPWS for subsequent use, primary aggregation node, aggregation node for subsequent use and 3 layer virtual private network L3VPN, and between primary aggregation node and aggregation node for subsequent use, be provided with the interconnected pseudo-line DNI-PW of binode, comprise the following steps: step S1. adds intf_tbl table in primary VPWS, in VPWS for subsequent use, add l2ve_bridge_tbl table; Wherein, intf_tbl table is used for determining that business enters primary VPWS, VPWS or L3VPN for subsequent use, l2ve_bridge_tbl table is used for realizing associating of 2 layers of empty Instance Interface L2VE_Port and 3 layers of empty Instance Interface L3VE_Port in the outlet of layer 2 virtual private network network L2VPN, described L2VE_Port comprises L2VE0 and L2VE1, and L3VE_Port comprises L3VE1; Step S2. judges whether to break down, and if so, then jumps to step S3; If not, then step S5 is jumped to; Step S3. failure judgement type, if primary path is disconnected fine, then jumps to step S4; If primary aggregation node driver chuck, then jump to step S7; If primary aggregation node power down, then jump to step S6; Step S4. judges that whether business is through disconnected fine, if so, then jumps to step S7; If not, then step S5 is jumped to; Step S5. uplink service is bridged to L3VPN at primary aggregation node by L2VE1 and L3VE1; Downlink business is bridged to primary VPWS at primary aggregation node by L3VE1 and L2VE1; Process ends; Step S6. uplink service is bridged to L3VPN at aggregation node for subsequent use by L2VE1 and L3VE1; Downlink business is bridged to VPWS for subsequent use at aggregation node for subsequent use by L2VE1 and L3VE1; Process ends; Step S7. uplink service is bridged to DNI-PW at aggregation node for subsequent use by L2VE1 and L2VE0, is bridged to L3VPN at primary aggregation node by L2VE0 and L3VE1; Downlink business is bridged to DNI-PW at primary aggregation node by L3VE1 and L2VE0, is bridged to aggregation node for subsequent use at aggregation node for subsequent use by L2VE0 and L2VE1; Process ends.
On the basis of technique scheme, in step S1, described intf_tbl table comprises dni_pw_ena, for as DNI-PW enabler flags; Wherein, numerical value " 1 " represents that DNI-PW is enable; Dni_pw_status, is used to indicate and whether DNI-PW occurs switches; Wherein, numerical value " 1 " expression DNI-PW switches and occurs; Dni_pw_l2ve_port_id, is used to indicate the L2VE_Port that DNI-PW is corresponding.
On the basis of technique scheme, judge in step S4 whether business is passed through disconnected fine idiographic flow and be: step S41. is in uplink service, and primary VPWS searches intf_tbl table; Step S42. judges whether the value of dni_pw_ena is " 1 ", if so, then jumps to step S43; If not, then step S5 is jumped to; Step S43. judges whether the value of dni_pw_status is " 1 ", if so, then jumps to step S7; If not, then step S5 is jumped to.
On the basis of technique scheme, in step S1, described l2ve_bridge_tbl table comprises flag_to_l2ve, for as the mark whether having associated L2VE_Port; Wherein, numerical value " 1 " expression associates L2VE_Port; Ve_port_id, is used to indicate corresponding L2VE_Port or L3VE_Port.
On the basis of technique scheme, in step S3, the idiographic flow of failure judgement type is: step S31. is in downlink business, and VPWS for subsequent use searches l2ve_bridge_tbl table; Step S32. judges whether the value of flag_to_l2ve is " 1 ", if so, then jumps to step S33; If not, then step S34 is jumped to; Step S33. searches corresponding L2VE_Port according to ve_port_id, jumps to step S7; Step S34. searches the corresponding L3VE_Port of ve_port_id, jumps to step S6.
On the basis of technique scheme, in step S1, described L2VPN comprises VPWS and DNI-PW.
On the basis of technique scheme, in step S6 and step S7, first perform following steps: uplink service completes pseudo-line PW1:1 at access device and switches.
On the basis of technique scheme, described primary VPWS and VPWS for subsequent use includes many pseudo-lines.
The present invention also provides a kind of DNI-PW switched fast to realize system, be applied to virtual private wire business VPWS network, described VPWS network comprises primary VPWS, VPWS for subsequent use, primary aggregation node, aggregation node for subsequent use and 3 layer virtual private network L3VPN, and between primary aggregation node and aggregation node for subsequent use, be provided with the interconnected pseudo-line DNI-PW of binode, described system comprises: intf_tbl table adds module, for adding intf_tbl table in primary VPWS, intf_tbl table is used for determining that business enters primary VPWS, VPWS or L3VPN for subsequent use; L2ve_bridge_tbl table adds module, for adding l2ve_bridge_tbl table in VPWS for subsequent use, l2ve_bridge_tbl table is used for realizing associating of 2 layers of empty Instance Interface L2VE_Port and 3 layers of empty Instance Interface L3VE_Port in the outlet of layer 2 virtual private network network L2VPN, described L2VE_Port comprises L2VE0 and L2VE1, and L3VE_Port comprises L3VE1; Fault type judge module, breaks down for judging whether, if do not break down, then generates the first business bridge joint index signal, and is sent to the first business bridge joint indicating module; If break down, then failure judgement type, if primary aggregation node power down, then generates the second business bridge joint index signal, and is sent to the second business bridge joint indicating module; If primary aggregation node driver chuck, then generate the 3rd business bridge joint index signal, and be sent to the 3rd business bridge joint indicating module; If primary path is disconnected fine, then judge that whether business is through disconnected fine, if so, then generates the 3rd business bridge joint index signal, and is sent to the 3rd business bridge joint indicating module; If not, then generate the first business bridge joint index signal, and be sent to the first business bridge joint indicating module; First business bridge joint indicating module, during for receiving the first business bridge joint index signal, instruction uplink service is bridged to L3VPN at primary aggregation node by L2VE1 and L3VE1; Downlink business is bridged to primary VPWS at primary aggregation node by L3VE1 and L2VE1; Second business bridge joint indicating module, during for receiving the second business bridge joint index signal, instruction uplink service is bridged to L3VPN at aggregation node for subsequent use by L2VE1 and L3VE1; Downlink business is bridged to VPWS for subsequent use at aggregation node for subsequent use by L2VE1 and L3VE1; 3rd business bridge joint indicating module, during for receiving the 3rd business bridge joint index signal, instruction uplink service is bridged to DNI-PW at aggregation node for subsequent use by L2VE1 and L2VE0, is bridged to L3VPN at primary aggregation node by L2VE0 and L3VE1; Downlink business is bridged to DNI-PW at primary aggregation node by L3VE1 and L2VE0, is bridged to aggregation node for subsequent use at aggregation node for subsequent use by L2VE0 and L2VE1.
On the basis of technique scheme, when described second business bridge joint indicating module receives the second business bridge joint index signal, first indicate uplink service to complete PW1:1 at access device and switch; When described 3rd business bridge joint indicating module receives the 3rd business bridge joint index signal, first indicate uplink service to complete pseudo-line PW1:1 at access device and switch.
Beneficial effect of the present invention is:
1, the present invention switches based on the VC of VPWS, and do not need to consider to comprise how many main frames in this VC business, namely workload decreases N doubly (N is the host number in this VPWS business) relative to conventional method.
2, in the present invention because switching action passage is deployed in BFD (the Bidirectional Forwarding Detection in forwarding face, two-way converting testing mechanism)/OAM (Operation Administration and Maintenance, operation management maintain) trigger, do not need master control to participate in.Therefore, although the path that business switches rear Signalling exchange also needs to switch, the process that master control not perception is switched, therefore thereupon, the present invention is that control plane shields the difference of Signalling exchange before and after switch at forwarding plane, the process that the agreement of control plane does not need perception to switch.
3, l2ve_bridge_tbl table is provided with in the present invention, due to outlet L2Ve_port (the L2Virtual Entity of multiple VPWS for subsequent use, 2 layers of empty Instance Interface) identical, therefore, when primary aggregation node power down fault, the uplink service of aggregation node for subsequent use switches the bridge status that only need refresh l2ve_bridge_tbl table can realize the association of many VPWS and DNI-PW, thus improves and uply switch speed.
Accompanying drawing explanation
Fig. 1 is DNI-PW Internal realization models schematic diagram;
Fig. 2 is the flow chart of the DNI-PW implementation method of switching fast in the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Shown in Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of DNI-PW implementation method of switching fast, be applied to VPWS network, described VPWS network comprises primary VPWS, VPWS for subsequent use, primary aggregation node, aggregation node for subsequent use and L3VPN (L3Virtual Private Network, 3 layer virtual private networks), described primary VPWS and VPWS for subsequent use includes many PW (Pseudo Wire, pseudo-line), and be provided with DNI-PW between primary aggregation node and aggregation node for subsequent use, comprise the following steps:
Step S1. adds intf_tbl table in primary VPWS, adds l2ve_bridge_tbl table in VPWS for subsequent use; Wherein, intf_tbl table is used for determining that business enters primary VPWS, VPWS or L3VPN for subsequent use, l2ve_bridge_tbl table is used at L2VPN (L2VirtualPrivate Network, layer 2 virtual private network network) outlet realize L2VE_Port and L3VE_Port (L3Virtual Entity, 3 layers of empty Instance Interface) association, wherein, described L2VPN comprises VPWS and DNI-PW, described L2VE_Port comprises L2VE0 and L2VE1, and L3VE_Port comprises L3VE1.
Preferably, described intf_tbl table comprises dni_pw_ena, dni_pw_status and dni_pw_l2ve_port_id, and wherein dni_pw_ena is used for as DNI-PW enabler flags; Concrete, represent that DNI-PW is enable by numerical value " 1 ".Dni_pw_status is used to indicate and whether DNI-PW occurs switches; Concrete, represent that DNI-PW switches by numerical value " 1 " and occur.Dni_pw_l2ve_port_id is used to indicate L2VE_Port corresponding to DNI-PW.The combination of each PORT (interface)+VLAN (Virtual Local Area Network, VLAN) is called an interface, herein referred to as intf_tbl.Each intf_tbl associates VPWS or L3VPN, so determine intf_tbl, also just determines VPWS or L3VPN that business is about to enter.Aggregation node configuration bridging traffic, because VLAN has planned, so only need associate the bridge joint that virtual interface (Ve_port) can complete L2VPN business and L3VPN business when operator's networking.The virtual interface be wherein connected with primary VPWS is called vpws_l2ve_port_id, and the virtual interface be connected with DNI-PW is called dni_pw_l2ve_port_id, and the virtual interface be connected with L3VPN business is called l3ve_port_id.
Described l2ve_bridge_tbl table comprises flag_to_l2ve and ve_port_id, and wherein flag_to_l2ve is used for the mark as whether having associated L2VE_Port; Wherein, numerical value " 1 " expression associates L2VE_Port.Ve_port_id is used to indicate corresponding L2VE_Port or L3VE_Port.VPWS and DNI-PW is L2VPN business, and its outlet is all l2ve_port_id.In uplink service, the association of primary VPWS and L3VPN will be realized in the operating state of primary aggregation node, namely associating of vpws_l2ve_port_id with l3ve_port_id is realized, the association of DNI-PW and L3VPN to be realized at switch status, namely realize associating of dni_pw_l2ve_port_id with l3ve_port_id.Generally speaking, the association of l2ve_port_id and l3ve_port_id will be realized exactly in the outlet of L2VPN.The association of VPWS and DNI-PW for subsequent use will be realized in the operating state of aggregation node for subsequent use, namely associating of vpws_l2ve_port_id with dni_pw_l2ve_port_id is realized, the association of VPWS and L3VPN for subsequent use to be realized at switch status, namely realize associating of vpws_l2ve_port_id with l3ve_port_id.Generally speaking, exactly the outlet of L2VPN to realize l2ve_port_id and l3ve_port_id or with the associating of l2ve_port_id.
Step S2. judges whether to break down, and if so, then jumps to step S3; If not, then step S5 is jumped to.
Step S3. failure judgement type, if primary path is disconnected fine, then jumps to step S4; If primary aggregation node driver chuck, then jump to step S7; If primary aggregation node power down, then jump to step S6; Wherein, the idiographic flow of failure judgement type is:
Step S31. is in downlink business, and VPWS for subsequent use searches l2ve_bridge_tbl table.
Step S32. judges whether the value of flag_to_l2ve is " 1 ", if so, then jumps to step S33; If not, then step S34 is jumped to.
Step S33. searches corresponding L2VE_Port according to ve_port_id, jumps to step S7.
Step S34. searches the corresponding L3VE_Port of ve_port_id, jumps to step S6.
Step S4. judges that whether business is through disconnected fine, if not, then jumps to step S5; If so, then step S7 is jumped to; Wherein, judge whether business is passed through disconnected fine idiographic flow and be:
Step S41. is in uplink service, and primary VPWS searches intf_tbl table.
Step S42. judges whether the value of dni_pw_ena is " 1 ", if so, then jumps to step S43; If not, then step S5 is jumped to.
Step S43. judges whether the value of dni_pw_status is " 1 ", if so, then jumps to step S7; If not, then step S5 is jumped to.
Step S5. uplink service is bridged to L3VPN at primary aggregation node by L2VE1 and L3VE1; Downlink business is bridged to primary VPWS at primary aggregation node by L3VE1 and L2VE1; Process ends.
Step S6. uplink service completes PW1:1 at access device and switches, and is bridged to L3VPN at aggregation node for subsequent use by L2VE1 and L3VE1; Downlink business is bridged to VPWS for subsequent use at aggregation node for subsequent use by L2VE1 and L3VE1; Process ends.
Step S7. uplink service completes PW1:1 at access device and switches, and is bridged to DNI-PW at aggregation node for subsequent use by L2VE1 and L2VE0, is bridged to L3VPN at primary aggregation node by L2VE0 and L3VE1; Downlink business is bridged to DNI-PW at primary aggregation node by L3VE1 and L2VE0, is bridged to aggregation node for subsequent use at aggregation node for subsequent use by L2VE0 and L2VE1; Process ends.
The embodiment of the present invention also provides a kind of DNI-PW switched fast to realize system, be applied to virtual private wire business VPWS network, described VPWS network comprises primary VPWS, VPWS for subsequent use, primary aggregation node, aggregation node for subsequent use and 3 layer virtual private network L3VPN, and between primary aggregation node and aggregation node for subsequent use, be provided with the interconnected pseudo-line DNI-PW of binode, described system comprises:
Intf_tbl table adds module, and for adding intf_tbl table in primary VPWS, intf_tbl table is used for determining that business enters primary VPWS, VPWS or L3VPN for subsequent use.
L2ve_bridge_tbl table adds module, for adding l2ve_bridge_tbl table in VPWS for subsequent use, l2ve_bridge_tbl table is used for realizing associating of 2 layers of empty Instance Interface L2VE_Port and 3 layers of empty Instance Interface L3VE_Port in the outlet of layer 2 virtual private network network L2VPN, described L2VE_Port comprises L2VE0 and L2VE1, and L3VE_Port comprises L3VE1.
Fault type judge module, breaks down for judging whether, if do not break down, then generates the first business bridge joint index signal, and is sent to the first business bridge joint indicating module; If break down, then failure judgement type, if primary aggregation node power down, then generates the second business bridge joint index signal, and is sent to the second business bridge joint indicating module; If primary aggregation node driver chuck, then generate the 3rd business bridge joint index signal, and be sent to the 3rd business bridge joint indicating module; If primary path is disconnected fine, then judge that whether business is through disconnected fine, if so, then generates the 3rd business bridge joint index signal, and is sent to the 3rd business bridge joint indicating module; If not, then generate the first business bridge joint index signal, and be sent to the first business bridge joint indicating module.
First business bridge joint indicating module, during for receiving the first business bridge joint index signal, instruction uplink service is bridged to L3VPN at primary aggregation node by L2VE1 and L3VE1; Downlink business is bridged to primary VPWS at primary aggregation node by L3VE1 and L2VE1.
Second business bridge joint indicating module, during for receiving the second business bridge joint index signal, first indicating uplink service to complete pseudo-line PW1:1 at access device and switching, then indicating uplink service to be bridged to L3VPN at aggregation node for subsequent use by L2VE1 and L3VE1; Downlink business is bridged to VPWS for subsequent use at aggregation node for subsequent use by L2VE1 and L3VE1.
3rd business bridge joint indicating module, during for receiving the 3rd business bridge joint index signal, first indicate uplink service to complete pseudo-line PW1:1 at access device to switch, then indicate uplink service to be bridged to DNI-PW at aggregation node for subsequent use by L2VE1 and L2VE0, be bridged to L3VPN at primary aggregation node by L2VE0 and L3VE1; Downlink business is bridged to DNI-PW at primary aggregation node by L3VE1 and L2VE0, is bridged to aggregation node for subsequent use at aggregation node for subsequent use by L2VE0 and L2VE1.
The present invention is not limited to above-mentioned execution mode, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as within protection scope of the present invention.The content be not described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (10)
1. a DNI-PW implementation method of switching fast, be applied to virtual private wire business VPWS network, described VPWS network comprises primary VPWS, VPWS for subsequent use, primary aggregation node, aggregation node for subsequent use and 3 layer virtual private network L3VPN, and between primary aggregation node and aggregation node for subsequent use, be provided with the interconnected pseudo-line DNI-PW of binode, it is characterized in that, comprise the following steps:
Step S1. adds intf_tbl table in primary VPWS, adds l2ve_bridge_tbl table in VPWS for subsequent use; Wherein, intf_tbl table is used for determining that business enters primary VPWS, VPWS or L3VPN for subsequent use, l2ve_bridge_tbl table is used for realizing associating of 2 layers of empty Instance Interface L2VE_Port and 3 layers of empty Instance Interface L3VE_Port in the outlet of layer 2 virtual private network network L2VPN, described L2VE_Port comprises L2VE0 and L2VE1, and L3VE_Port comprises L3VE1;
Step S2. judges whether to break down, and if so, then jumps to step S3; If not, then step S5 is jumped to;
Step S3. failure judgement type, if primary path is disconnected fine, then jumps to step S4; If primary aggregation node driver chuck, then jump to step S7; If primary aggregation node power down, then jump to step S6;
Step S4. judges that whether business is through disconnected fine, if so, then jumps to step S7; If not, then step S5 is jumped to;
Step S5. uplink service is bridged to L3VPN at primary aggregation node by L2VE1 and L3VE1; Downlink business is bridged to primary VPWS at primary aggregation node by L3VE1 and L2VE1; Process ends;
Step S6. uplink service is bridged to L3VPN at aggregation node for subsequent use by L2VE1 and L3VE1; Downlink business is bridged to VPWS for subsequent use at aggregation node for subsequent use by L2VE1 and L3VE1; Process ends;
Step S7. uplink service is bridged to DNI-PW at aggregation node for subsequent use by L2VE1 and L2VE0, is bridged to L3VPN at primary aggregation node by L2VE0 and L3VE1; Downlink business is bridged to DNI-PW at primary aggregation node by L3VE1 and L2VE0, is bridged to aggregation node for subsequent use at aggregation node for subsequent use by L2VE0 and L2VE1; Process ends.
2. the DNI-PW implementation method of switching fast as claimed in claim 1, is characterized in that: in step S1, and described intf_tbl table comprises
Dni_pw_ena, for as DNI-PW enabler flags; Wherein, numerical value " 1 " represents that DNI-PW is enable;
Dni_pw_status, is used to indicate and whether DNI-PW occurs switches; Wherein, numerical value " 1 " expression DNI-PW switches and occurs;
Dni_pw_l2ve_port_id, is used to indicate the L2VE_Port that DNI-PW is corresponding.
3. the DNI-PW implementation method of switching fast as claimed in claim 2, is characterized in that: judge in step S4 whether business is passed through disconnected fine idiographic flow and be:
Step S41. is in uplink service, and primary VPWS searches intf_tbl table;
Step S42. judges whether the value of dni_pw_ena is " 1 ", if so, then jumps to step S43; If not, then step S5 is jumped to;
Step S43. judges whether the value of dni_pw_status is " 1 ", if so, then jumps to step S7; If not, then step S5 is jumped to.
4. the DNI-PW implementation method of switching fast as claimed in claim 1, is characterized in that: in step S1, and described l2ve_bridge_tbl table comprises
Flag_to_l2ve, for as the mark whether having associated L2VE_Port; Wherein, numerical value " 1 " expression associates L2VE_Port;
Ve_port_id, is used to indicate corresponding L2VE_Port or L3VE_Port.
5. the DNI-PW implementation method of switching fast as claimed in claim 4, is characterized in that: in step S3, the idiographic flow of failure judgement type is:
Step S31. is in downlink business, and VPWS for subsequent use searches l2ve_bridge_tbl table;
Step S32. judges whether the value of flag_to_l2ve is " 1 ", if so, then jumps to step S33; If not, then step S34 is jumped to;
Step S33. searches corresponding L2VE_Port according to ve_port_id, jumps to step S7;
Step S34. searches the corresponding L3VE_Port of ve_port_id, jumps to step S6.
6. the DNI-PW implementation method of switching fast according to any one of claim 1 to 5, it is characterized in that: in step S1, described L2VPN comprises VPWS and DNI-PW.
7. the DNI-PW implementation method of switching fast according to any one of claim 1 to 5, is characterized in that, in step S6 and step S7, first perform following steps: uplink service completes pseudo-line PW1:1 at access device and switches.
8. the DNI-PW implementation method of switching fast according to any one of claim 1 to 5, is characterized in that: described primary VPWS and VPWS for subsequent use includes many pseudo-lines.
9. the DNI-PW switched fast realizes system, be applied to virtual private wire business VPWS network, described VPWS network comprises primary VPWS, VPWS for subsequent use, primary aggregation node, aggregation node for subsequent use and 3 layer virtual private network L3VPN, and between primary aggregation node and aggregation node for subsequent use, be provided with the interconnected pseudo-line DNI-PW of binode, it is characterized in that, described system comprises:
Intf_tbl table adds module, and for adding intf_tbl table in primary VPWS, intf_tbl table is used for determining that business enters primary VPWS, VPWS or L3VPN for subsequent use;
L2ve_bridge_tbl table adds module, for adding l2ve_bridge_tbl table in VPWS for subsequent use, l2ve_bridge_tbl table is used for realizing associating of 2 layers of empty Instance Interface L2VE_Port and 3 layers of empty Instance Interface L3VE_Port in the outlet of layer 2 virtual private network network L2VPN, described L2VE_Port comprises L2VE0 and L2VE1, and L3VE_Port comprises L3VE1;
Fault type judge module, breaks down for judging whether, if do not break down, then generates the first business bridge joint index signal, and is sent to the first business bridge joint indicating module;
If break down, then failure judgement type, if primary aggregation node power down, then generates the second business bridge joint index signal, and is sent to the second business bridge joint indicating module;
If primary aggregation node driver chuck, then generate the 3rd business bridge joint index signal, and be sent to the 3rd business bridge joint indicating module;
If primary path is disconnected fine, then judge that whether business is through disconnected fine, if so, then generates the 3rd business bridge joint index signal, and is sent to the 3rd business bridge joint indicating module; If not, then generate the first business bridge joint index signal, and be sent to the first business bridge joint indicating module;
First business bridge joint indicating module, during for receiving the first business bridge joint index signal, instruction uplink service is bridged to L3VPN at primary aggregation node by L2VE1 and L3VE1; Downlink business is bridged to primary VPWS at primary aggregation node by L3VE1 and L2VE1;
Second business bridge joint indicating module, during for receiving the second business bridge joint index signal, instruction uplink service is bridged to L3VPN at aggregation node for subsequent use by L2VE1 and L3VE1; Downlink business is bridged to VPWS for subsequent use at aggregation node for subsequent use by L2VE1 and L3VE1;
3rd business bridge joint indicating module, during for receiving the 3rd business bridge joint index signal, instruction uplink service is bridged to DNI-PW at aggregation node for subsequent use by L2VE1 and L2VE0, is bridged to L3VPN at primary aggregation node by L2VE0 and L3VE1; Downlink business is bridged to DNI-PW at primary aggregation node by L3VE1 and L2VE0, is bridged to aggregation node for subsequent use at aggregation node for subsequent use by L2VE0 and L2VE1.
10. the DNI-PW switched fast as claimed in claim 9 realizes system, it is characterized in that, when described second business bridge joint indicating module receives the second business bridge joint index signal, first indicates uplink service to complete PW1:1 at access device and switches; When described 3rd business bridge joint indicating module receives the 3rd business bridge joint index signal, first indicate uplink service to complete pseudo-line PW1:1 at access device and switch.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510161616.1A CN104753722B (en) | 2015-04-08 | 2015-04-08 | A kind of DNI PW realization method and systems quickly switched |
| PCT/CN2015/093679 WO2016161802A1 (en) | 2015-04-08 | 2015-11-03 | Method and system for realizing quick changeover of dni-pw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510161616.1A CN104753722B (en) | 2015-04-08 | 2015-04-08 | A kind of DNI PW realization method and systems quickly switched |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104753722A true CN104753722A (en) | 2015-07-01 |
| CN104753722B CN104753722B (en) | 2018-01-02 |
Family
ID=53592870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510161616.1A Active CN104753722B (en) | 2015-04-08 | 2015-04-08 | A kind of DNI PW realization method and systems quickly switched |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104753722B (en) |
| WO (1) | WO2016161802A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016161802A1 (en) * | 2015-04-08 | 2016-10-13 | 烽火通信科技股份有限公司 | Method and system for realizing quick changeover of dni-pw |
| CN110166286A (en) * | 2019-04-30 | 2019-08-23 | 中时讯通信建设有限公司 | A kind of IP RAN network system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111683307B (en) * | 2020-05-22 | 2022-05-20 | 烽火通信科技股份有限公司 | Method and system for accessing service under OLT (optical line terminal) multi-stage exchange |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070133564A1 (en) * | 2005-12-09 | 2007-06-14 | Chun Kyung G | Method for propagating maintenance signal in VPWS network using SDH/SONET |
| CN102035681A (en) * | 2010-12-17 | 2011-04-27 | 中兴通讯股份有限公司 | Link protection method and system for virtual private network |
| CN102148713A (en) * | 2011-05-11 | 2011-08-10 | 烽火通信科技股份有限公司 | Linear protection switching method applicable to large-capacity PTN (packet transport network) device |
| CN102325037A (en) * | 2011-05-25 | 2012-01-18 | 中兴通讯股份有限公司 | Method and system for switching pseudo-wire dual-homing network and dual-homing operator equipment |
| CN103490969A (en) * | 2013-09-17 | 2014-01-01 | 烽火通信科技股份有限公司 | System and method for achieving VPWS redundancy protection rapid convergence |
| CN104270231A (en) * | 2014-09-05 | 2015-01-07 | 烽火通信科技股份有限公司 | System and method for realizing double-node interconnected pseudo-wire |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8351337B2 (en) * | 2008-11-07 | 2013-01-08 | Alcatel Lucent | Tools that facilitate diagnostics for mobile backhaul networks |
| CN102710523A (en) * | 2012-06-14 | 2012-10-03 | 中兴通讯股份有限公司 | Method and system for switching path |
| CN104753722B (en) * | 2015-04-08 | 2018-01-02 | 烽火通信科技股份有限公司 | A kind of DNI PW realization method and systems quickly switched |
-
2015
- 2015-04-08 CN CN201510161616.1A patent/CN104753722B/en active Active
- 2015-11-03 WO PCT/CN2015/093679 patent/WO2016161802A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070133564A1 (en) * | 2005-12-09 | 2007-06-14 | Chun Kyung G | Method for propagating maintenance signal in VPWS network using SDH/SONET |
| CN102035681A (en) * | 2010-12-17 | 2011-04-27 | 中兴通讯股份有限公司 | Link protection method and system for virtual private network |
| CN102148713A (en) * | 2011-05-11 | 2011-08-10 | 烽火通信科技股份有限公司 | Linear protection switching method applicable to large-capacity PTN (packet transport network) device |
| CN102325037A (en) * | 2011-05-25 | 2012-01-18 | 中兴通讯股份有限公司 | Method and system for switching pseudo-wire dual-homing network and dual-homing operator equipment |
| CN103490969A (en) * | 2013-09-17 | 2014-01-01 | 烽火通信科技股份有限公司 | System and method for achieving VPWS redundancy protection rapid convergence |
| CN104270231A (en) * | 2014-09-05 | 2015-01-07 | 烽火通信科技股份有限公司 | System and method for realizing double-node interconnected pseudo-wire |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016161802A1 (en) * | 2015-04-08 | 2016-10-13 | 烽火通信科技股份有限公司 | Method and system for realizing quick changeover of dni-pw |
| CN110166286A (en) * | 2019-04-30 | 2019-08-23 | 中时讯通信建设有限公司 | A kind of IP RAN network system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104753722B (en) | 2018-01-02 |
| WO2016161802A1 (en) | 2016-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102571426B (en) | Double-homing protection method and device | |
| CN101155076B (en) | Method for checking pseudo wire trouble of two-layer special network | |
| CN102244609B (en) | Solve VPLS and access method and the router that L3 failover causes stopping | |
| CN102282805B (en) | Method for service protection and access device | |
| CN101860482B (en) | Two-layer virtual private network fast re-route method and device | |
| CN103581025B (en) | Method and system for processing routing information and equipment | |
| CN101252492B (en) | Method and apparatus for accessing multi-protocol label switch virtual special-purpose network | |
| CN104270231B (en) | A kind of system and method for realizing binode interconnection pseudo-wire | |
| CN101789879B (en) | Dynamic maintenance method and device for related link circuits | |
| EP2738985B1 (en) | Ethernet interface protection method and network side device | |
| WO2018214423A1 (en) | Potn service forwarding system, and method of service forwarding, configuration issuing, and providing protection | |
| CN107332683A (en) | A kind of link switch-over method and system | |
| US9264298B2 (en) | Technique for bundling in link aggregation | |
| CN105472049B (en) | CGN backup protection method and device for carrier-grade network address conversion | |
| CN105656776B (en) | Pseudo wire dual-homing protection switching system, method and device | |
| CN103607317A (en) | Two-layer loop detection method, two-layer loop detection device and communication system | |
| CN104753722A (en) | DNI-PW (double node interconnection-pseudo wire) quick changeover implementing method and DNI-PW quick changeover implementing system | |
| CN100446476C (en) | Method and apparatus for communicating network trouble dtecting result | |
| CN102932247A (en) | VPN (Virtual Private Network) fast rerouting method and device and provider edge device | |
| CN103929236A (en) | Method and system for achieving service layer with protection switching function of passive optical network port | |
| JP5338428B2 (en) | COMMUNICATION DEVICE AND METHOD, COMMUNICATION SYSTEM AND METHOD | |
| CN107979848B (en) | Detection method and device for standby path | |
| CN104811324A (en) | Pseudo wire protection method, pseudo wire protection device and node | |
| CN111092822A (en) | Method for balancing pw linear protection forwarding load of vpls | |
| CN108023800A (en) | A kind of guard method of LTE bearer networks and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |