CN107612826A - One kind realizes PTN 1:1 and OTN 1+1 superposition guard method - Google Patents
One kind realizes PTN 1:1 and OTN 1+1 superposition guard method Download PDFInfo
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- CN107612826A CN107612826A CN201710898038.9A CN201710898038A CN107612826A CN 107612826 A CN107612826 A CN 107612826A CN 201710898038 A CN201710898038 A CN 201710898038A CN 107612826 A CN107612826 A CN 107612826A
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Abstract
The invention discloses one kind to realize PTN 1:1 and OTN 1+1 superposition guard method, is related to the communications field, including step：A business sub-interface of circuit disk access point is created, the destination of business sub-interface is arranged to two adjacent pointers；Two pairs of business sub-interfaces in line side are created, each pair business sub-interface shares a choosing and receives switching address, and each pair business sub-interface docks the working channels port and alternate channel port of same OTN equipment respectively；The multicast of a working channels PTN and the multicast of an alternate channel PTN are created, the destination of two pointers is correspondingly arranged as two multicasts, and the port that each pair business sub-interface is docked correspondingly is added to a multicast destination；The business sub-interface in line side sets choosing to receive switching address according to OTN 1+1 patterns, and gating handover operation is carried out to OTN channel statuses.It is provided by the invention to realize PTN 1:1 and OTN 1+1 superposition guard method, can effectively solve the problem that PTN 1:The problem of 1 and OTN 1+1 superposition protection.
Description
Technical field
The present invention relates to the communications field, and in particular to one kind realizes PTN 1:1 and OTN 1+1 superposition guard method.
Background technology
POTN (Packet Optical Transport Network, be grouped optical transport network) system integration PTN
(Packet Transport Network, Packet Transport Network) function and OTN (OpticalTransportNetwork, light transmission
Net) function, market was using more and more extensive in recent years.
In POTN systems, the business of usual PTN accesses, finally it is carried in OTN ODU tunnels after the completion of route,
Forwarded by OTN.In data transmission procedure, PTN typically uses 1:1 path protection pattern, that is, publish the protection of double receipts
Pattern, OTN normally only provide the protected mode of 1+1 path protection pattern, i.e. dual transmitting and receiving, so as to form PTN 1:1 He
OTN 1+1 superposition protection.
In usual POTN equipment, when OTN carries PTN business, PTN business oneself can not be independently replicated to the 1 of OTN
, it is necessary to which PTN modules are completed to replicate, it is necessary to expend more resources on+1 active-standby path, cost is higher.However, in the prior art,
PTN 1 can not still be realized：1 and OTN 1+1 superposition protections.
The content of the invention
For defect present in prior art, it is an object of the invention to provide one kind to realize PTN 1:1 and OTN 1+1
Superposition guard method, can effectively solve the problem that PTN 1:The problem of 1 and OTN1+1 superposition protection, cost is saved.
To achieve the above objectives, the present invention adopts the technical scheme that：
One kind realizes PTN 1:1 and OTN 1+1 superposition guard method, including step：
S1：A business sub-interface of circuit disk access point is created, the destination of the business sub-interface is arranged to adjacent
Two pointers；
S2：Two pairs of business sub-interfaces in line side are created, each pair business sub-interface shares a choosing and receives switching address, and often
Dock the working channels port and alternate channel port of same OTN equipment respectively to business sub-interface；
S3：The multicast of a working channels PTN and the multicast of an alternate channel PTN are created, by the purpose of two pointers
Ground is correspondingly arranged as two multicasts, and the port that business sub-interface described in each pair is docked correspondingly is added to a multicast purpose
Ground；
S4：The business sub-interface of circuit disk creates PTN 1:1 business, the business sub-interface in line side is according to OTN 1+1 moulds
Formula sets choosing to receive switching address, and gating handover operation is carried out to OTN channel statuses.
On the basis of above-mentioned technical proposal, for P2MP business, by the learning information of line side each pair business sub-interface
Destination be arranged to corresponding pointer.
On the basis of above-mentioned technical proposal, to the unknown unicast bag not learnt, a temporary multicast is created, according to
PTN1:1 activestandby state selectively increases multicast member.
, then will corresponding with alternate channel PTN one when PTN works in standby state on the basis of above-mentioned technical proposal
The port of circuit side business sub-interface is added in the temporary multicast；When PTN switch operatings are in major state, then first delete
The temporary multicast destination, then the port of a pair of circuits side business sub-interface corresponding with working channels PTN is added to institute
State temporary multicast.
On the basis of above-mentioned technical proposal, the OTN equipment docked with working channels PTN is main OTN, with alternate channel
The OTN equipment of PTN docking is that standby OTN, main OTN and standby OTN include a working channels port and alternate channel port.
Compared with prior art, the advantage of the invention is that：The present invention's realizes PTN 1:1 and OTN 1+1 superposition is protected
Maintaining method, it is multicast and non-generic port by being provided for the destination of pointer of switching, efficiently solves PTN 1:1 He
The problem of OTN 1+1 superposition protection, cost is saved.
Brief description of the drawings
Fig. 1 is to realize PTN 1 in the embodiment of the present invention:The flow chart of 1 and OTN 1+1 superposition guard method；
Fig. 2 is P2P business realizings PTN 1 in the embodiment of the present invention:The schematic diagram of 1 and OTN 1+1 superposition guard method；
Fig. 3 is the schematic diagram for OTN channel statuses gate switching in the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Shown in Figure 1, the embodiment of the present invention provides one kind and realizes PTN 1:1 and OTN 1+1 superposition guard method, bag
Include step：
S1：A business sub-interface ac_lif of circuit disk access point is created, the destination of the business sub-interface is arranged to
Two adjacent pointers, respectively fec_w and fec_p.
S2：Two pairs of business sub-interfaces in line side are created, each pair business sub-interface shares a choosing and receives switching address, and often
Dock the working channels port and alternate channel port of same OTN equipment respectively to business sub-interface.
In the present embodiment, POTN systems include two OTN equipment, are main OTN and standby OTN respectively, one pair of which business
Sub-interface docks main OTN, the standby OTN of another pair business sub-interface docking.
It is shown in Figure 2, realize PTN 1:The process of establishment business is in 1 and OTN 1+1 superposition guard method：It is main
OTN and standby OTN include working channels port and alternate channel port, and main OTN working channels port is pw_ow_port,
The business sub-interface in the line side of pw_ow_port ports docking is pw_ow_lif；Main OTN alternate channel port is pw_op_
The business sub-interface in the line side of port, pw_op_port port docking is pw_op_lif, and standby OTN working channels port is
The business sub-interface in the line side of pp_ow_port, pp_ow_port port docking is pp_ow_lif, standby OTN working channels
Port is pp_op_port, and the business sub-interface in the line side of pp_op_port ports docking is pp_op_lif.
Pw_ow_lif and pw_op_lif shares a choosing and receives switching address failOverId_pw, based on the former, Hou Zhewei
It is standby, and pw_ow_lif and pw_op_lif correspond to pw_ow_port, pw_op_port state, are held by failOverId_pw
Switching is received in row choosing.
It is failOverId_pp that pp_ow_lif, pp_op_lif, which share a choosing and receive switching address, based on the former, the latter
To be standby, and pp_ow_lif, pp_op_lif correspond to pp_ow_port, pp_op_port state, are held by failOverId_pp
Switching is received in row choosing.
S3：The multicast w_mc_id and an alternate channel PTN of a working channels PTN multicast p_mc_id are created, by two
The destination of the pointer is correspondingly arranged as two multicasts, and the port that business sub-interface described in each pair is docked correspondingly is added to
The one multicast destination.
In the present embodiment, pointer fec_w destination is arranged to w_mc_id, and pointer fec_p destination is arranged to p_
Mc_id, pw_ow_port and pw_op_port are added in multicast w_mc_id, and by pp_ow_port and pp_op_port
It is added to multicast p_mc_id.
S4：The business sub-interface of circuit disk creates PTN 1:1 business, the business sub-interface in line side is according to OTN 1+1 moulds
Formula sets choosing to receive switching address, and gating handover operation is carried out to OTN channel statuses, as shown in figure 3, completing PTN and OTN switches behaviour
Make.
For P2MP business, the destination of the learning information of line side each pair business sub-interface is arranged to corresponding finger
Pin.Specially：The destination of pw_ow_lif and pw_op_lif learning information is both configured to fec_w, by pw_ow_lif and
The destination of pw_op_lif learning information is both configured to fec_p.
To the unknown unicast bag not learnt, a temporary multicast is created, according to PTN1:1 activestandby state selectively increases
Multicast member.
When PTN works in standby state, then by the port of a pair of circuits side business sub-interface corresponding with alternate channel PTN
It is added in the temporary multicast, i.e., pp_ow_port and pp_op_port is added to the temporary multicast.
When PTN switch operatings are in major state, then the temporary multicast destination is first deleted, then will be with working channels PTN
The port of corresponding a pair of circuits side business sub-interface is added to the temporary multicast.In the present embodiment, temporary multicast is first deleted
Multicast destination pp_ow_port and pp_op_port, then pw_ow_port and pw_op_port are added to temporary multicast.
In the present embodiment, the OTN equipment docked with working channels PTN is main OTN, the OTN docked with alternate channel PTN
Equipment is that standby OTN, main OTN and standby OTN include a working channels port and alternate channel port.
The present invention's realizes PTN 1:1 and OTN 1+1 superposition guard method, the mesh of the pointer by being provided for switching
Ground be multicast and non-generic port, efficiently solve PTN1:1 and OTN 1+1 superposition protection the problem of, saved into
This.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (5)
1. one kind realizes PTN 1:1 and OTN 1+1 superposition guard method, it is characterised in that including step：
S1：A business sub-interface of circuit disk access point is created, the destination of the business sub-interface is arranged to adjacent two
Pointer；
S2：Two pairs of business sub-interfaces in line side are created, each pair business sub-interface shares a choosing and receives switching address, and each pair industry
Business sub-interface docks the working channels port and alternate channel port of same OTN equipment respectively；
S3：The multicast of a working channels PTN and the multicast of an alternate channel PTN are created, by the destination pair of two pointers
Two multicasts should be arranged to, and the port that business sub-interface described in each pair is docked correspondingly is added to a multicast destination；
S4：The business sub-interface of circuit disk creates PTN 1:1 business, the business sub-interface in line side are set according to OTN 1+1 patterns
Put choosing and receive switching address, gating handover operation is carried out to OTN channel statuses.
2. realize PTN 1 as claimed in claim 1:1 and OTN 1+1 superposition guard method, it is characterised in that：For P2MP
Business, the destination of the learning information of line side each pair business sub-interface is arranged to corresponding pointer.
3. realize PTN 1 as claimed in claim 2:1 and OTN 1+1 superposition guard method, it is characterised in that：To not learning
The unknown unicast bag arrived, a temporary multicast is created, according to PTN1:1 activestandby state selectively increases multicast member.
4. realize PTN 1 as claimed in claim 3:1 and OTN 1+1 superposition guard method, it is characterised in that：When PTN works
When making in standby state, then the port of a pair of circuits side business sub-interface corresponding with alternate channel PTN is added to described interim
In multicast；When PTN switch operatings are in major state, then the temporary multicast destination is first deleted, then will be PTN pairs with working channels
The port for a pair of the circuit side business sub-interfaces answered is added to the temporary multicast.
5. realize PTN 1 as claimed in claim 1:1 and OTN 1+1 superposition guard method, it is characterised in that：With primary letter
The OTN equipment of road PTN docking is main OTN, and the OTN equipment docked with alternate channel PTN is that standby OTN, main OTN and standby OTN are wrapped
Include a working channels port and alternate channel port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898038.9A CN107612826B (en) | 2017-09-28 | 2017-09-28 | Method for realizing superposition protection of PTN1:1 and OTN1+1 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898038.9A CN107612826B (en) | 2017-09-28 | 2017-09-28 | Method for realizing superposition protection of PTN1:1 and OTN1+1 |
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| CN107612826A true CN107612826A (en) | 2018-01-19 |
| CN107612826B CN107612826B (en) | 2020-01-07 |
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| CN104954160A (en) * | 2014-03-28 | 2015-09-30 | 中国移动通信集团内蒙古有限公司 | Method for achieving multiple protection of bearer network, and bearer network |
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| CN107018081A (en) * | 2017-03-15 | 2017-08-04 | 烽火通信科技股份有限公司 | A kind of method for being used to realize the 1+1 protection of point-to-multipoint |
| CN107135154A (en) * | 2017-05-26 | 2017-09-05 | 烽火通信科技股份有限公司 | POTN business repeater system and business forwarding, configuration distributing, guard method |
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| CN104065493A (en) * | 2013-03-19 | 2014-09-24 | 中兴通讯股份有限公司 | Multicast switching protection method, device and system |
| US20160056888A1 (en) * | 2013-04-24 | 2016-02-25 | Zte Corporation | Active and Standby Changeover Method, Apparatus, Device, and System for Network Device |
| CN104954160A (en) * | 2014-03-28 | 2015-09-30 | 中国移动通信集团内蒙古有限公司 | Method for achieving multiple protection of bearer network, and bearer network |
| CN103997697A (en) * | 2014-04-21 | 2014-08-20 | 烽火通信科技股份有限公司 | Dual-channel POTN linear protection system, method and device |
| CN107018081A (en) * | 2017-03-15 | 2017-08-04 | 烽火通信科技股份有限公司 | A kind of method for being used to realize the 1+1 protection of point-to-multipoint |
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