CN106911377A - A kind of guard method of TD-LTE business and system - Google Patents
A kind of guard method of TD-LTE business and system Download PDFInfo
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- CN106911377A CN106911377A CN201510978199.XA CN201510978199A CN106911377A CN 106911377 A CN106911377 A CN 106911377A CN 201510978199 A CN201510978199 A CN 201510978199A CN 106911377 A CN106911377 A CN 106911377A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
- H04B10/032—Arrangements for fault recovery using working and protection systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
- H04B10/035—Arrangements for fault recovery using loopbacks
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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
- H04L45/58—Association of routers
- H04L45/586—Association of routers of virtual routers
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Abstract
Guard method and system the invention discloses a kind of TD-LTE business, methods described include：Timesharing Long Term Evolution TD-LTE business is carried using optical transfer network and Packet Transport Network OTN+PTN；Optical Channel Data Unit-k k SNCP ODUk SNCP protections are configured in the OTN；When the core layer and/or convergence-level of OTN break down, the TD-LTE business is switched by Internet in OTN by the ODUk SNCP, so that PTN network unaware.
Description
Technical field
The present invention relates to timesharing Long Term Evolution (Time Division Long Term Evolution, TD-LTE)
Technology, more particularly to a kind of TD-LTE business guard method and system.
Background technology
At present, timesharing Long Term Evolution business is commercial extensively, and perception of the client to business is that operator's emphasis is closed
The problem of note.OTN+PTN as TD-LTE important bearer network, its Network survivability do not allow to neglect
Depending on wherein OTN represents optical transfer network (Optical Transport Network), and PTN represents packet transmission
Net (Packet Transport Network).It is at this stage the protection for realizing TD-LTE business, mainly by PTN
Network provide MC-PW striding equipment pseudo-wires, Multi-Chassis Pseudo Wire APS, LSP+APS and
The protected modes such as VRRP dual homeds, wherein PW represent that pseudo-wire (Pseudo Wire), LSP represent that mark is handed over
Change path (Label Switching Path), APS and represent APS (Automatic Protection
Switching), VRRP represents Virtual Router Redundacy Protocol (Virtual Router Redundancy Protocol).
Fig. 1 is the schematic diagram of OTN+PTN carrying TD-LTE business in correlation technique, as shown in figure 1,
OTN+PTN carries TD-LTE business and is broadly divided into three parts：
Part I, operation layer：By L3 PTN (third layer PTN) and MME/SGW (mobile managements
Entity/gateway (Serving Gate Way)) composition, using VRRP dual-homing protection.Implementation is
Docked with MME/SGW with two ends L3 PTN devices, and be configured to active/standby gateway, as primary L3 PTN
When middle B device failure and access link fail, primary gateway will be unreachable, and now VRRP protections will acquiescence
Gateway IP (Internet protocol) is mapped as standby gateway, and SGW/MME equipment and does not need additional mechanism to match somebody with somebody
Close VRRP standby usage gateway handoffs.
Part II, core layer：It is made up of L2/L3 PTN and L3 PTN, using LSP APS and VPN
Two kinds of protection mechanisms of FRR, wherein：LSP APS are a kind of protected modes of network pipeline formula, by protection
The business on work tunnel is protected in tunnel (tunnel).VPN FRR protections are as primary L3 PTN
During middle B node failure, L2/L3 PTN A nodes switch the business to by L3 PTN D nodes it is standby
With on path.
Part III, convergence-level+Access Layer：It is made up of L2 PTN, is protected using MC-PW APS, is led to
Cross the place of a source two and form active and standby PW, form protection.
It will be seen from figure 1 that existing protection scheme has the characteristics that：1) covering is from operation layer to Access Layer
Various protected modes, realize the end-to-end whole process protection to TD-LTE business；2) to L2/L3, L3
Single node failure can be protected effectively；3) for ring type structure in same ring homonymy, different ring homonymy, different ring it is different
Side multipoint fault can realize effectively protection；4) protected mode for being used is relatively simple, and configuration complexity is low.
With the extensive development of TD-LTE business, existing PTN bearer networks protected mode is being difficult to ensure
The security requirement of TD-LTE business, is mainly reflected in the following aspects：1) during OTN network interruptions,
PTN reports a large amount of alarms：During OTN network interruptions, due to carry PTN business on OTN unprotect,
The upper many places of PTN report ETH_LOS to alert, and are unfavorable for breakdown judge and maintenance.2) LTE business is with route
Situation is inevitable：It is unavoidably each on PTN rings because OTN networks are all simple ring type structures
Individual aggregation node can occur physics route and overlap to the business in core engine building.So work as at wherein one on OTN breaking
When fine, many of PTN can be influenceed to converge ring business.If work in PTN upper MC-PW APS protections,
When protection passage is all simultaneously impacted, service disconnection.3) the different ring heteropleural failure of intersecting ring cannot realize protection：
If there is optical cable blocking or node failure, MC-PW APS shielding failures in the different ring heteropleural of PTN intersecting rings.
The content of the invention
In view of this, the embodiment of the present invention provides one to solve at least one problem present in prior art
Guard method and the system of TD-LTE business are planted, when OTN core layers and/or convergence-level break down,
Can be switched all in OTN network levels, so that PTN network unaware.
What the technical scheme of the embodiment of the present invention was realized in：
In a first aspect, the embodiment of the present invention provides a kind of guard method of TD-LTE business, methods described bag
Include：
Timesharing Long Term Evolution TD-LTE business is carried using optical transfer network and Packet Transport Network OTN+PTN；
Optical Channel Data Unit-k k SNCP ODUk SNCP are configured in the OTN；
When the core layer and/or convergence-level of OTN break down, will be described by the ODUk SNCP
TD-LTE business switches the Internet in OTN, so that PTN network unaware.
Second aspect, the embodiment of the present invention provides a kind of protection system of TD-LTE business, the system bag
Optical transfer network OTN and Packet Transport Network PTN is included, wherein：
The optical transfer network OTN, for carrying timesharing Long Term Evolution TD-LTE with Packet Transport Network PTN
Business；
OTN equipment in the OTN, for configuring Optical Channel Data Unit-k k subnets in the OTN
Connection protection ODUk SNCP；And when the core layer and/or convergence-level of OTN break down, by institute
State ODUk SNCP and the TD-LTE business switched into Internet in OTN so that PTN network without
Perceive.
The embodiment of the present invention provides guard method and the system of a kind of TD-LTE business, wherein：Passed using light
Net and Packet Transport Network OTN+PTN is sent to carry timesharing Long Term Evolution TD-LTE business；In the OTN
Configuration Optical Channel Data Unit-k k SNCP ODUk SNCP protections；When OTN core layer and/
Or convergence-level is when breaking down, the TD-LTE business is switched in OTN by the ODUk SNCP
Internet so that PTN network unaware；In this way, when OTN core layers and/or convergence-level break down
When, can be switched all in OTN network levels, so that PTN network unaware.
Brief description of the drawings
Fig. 1 is the schematic diagram of OTN+PTN carrying TD-LTE business in correlation technique；
Fig. 2 is the schematic diagram of OTN+PTN carrying TD-LTE business in the embodiment of the present invention；
Fig. 3 is the schematic diagram of OTN ODU2 SNCP protection mechanisms in the embodiment of the present invention；
Fig. 4 is network diagram when looped network is normal in the embodiment of the present invention；
Fig. 5 be the embodiment of the present invention in ring network fault when network diagram；
Protection schematic flow sheet when Fig. 6 is embodiment of the present invention OTN+PTN carrying TD-LTE business；
Fig. 7 is the schematic flow sheet of the guard method of the TD-LTE business of the embodiment of the present invention two；
Fig. 8 is the network diagram of the anti-multipoint fault of the embodiment of the present invention three.
Specific embodiment
The technical solution of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
In order to solve technical problem present in foregoing background technology, the embodiment of the present invention provides a kind of
OTN+PTN carries the guard method of TD-LTE business, and Fig. 2 is OTN+PTN in the embodiment of the present invention
The schematic diagram of TD-LTE business is carried, as shown in Fig. 2 the OTN+PTN in the embodiment of the present invention is carried
TD-LTE business is broadly divided into following components：
Part I, operation layer；
Operation layer L3 PTN form the VRRP dual-homing protection towards MME/SGW with core net.It is based on
L3 PTN virtual interfaces set up VRRP protection groups, by B node and D node virtuals for MME/SGW master,
Standby gateway.MME/SGW is protected by two layers of multilink bundling and is realized that link side business is switched.When primary gateway
When B fails, business is switched to standby gateway D-MME/SGW by primary gateway B-MME/SGW.
Part II, core layer；
1) core layer is made up of L3 PTN and L2/L3 PTN, using VPN FRR can realize to node A,
The protection of B failures.As node A or node B failures, MME/SGW is received and is come from node A, node
The route of C, when the routing state from A nodes is unavailable, from the route from C nodes, can be real
Now to the protection of A nodes and B node.
2) OTN of core layer is the service connection of offer 10GE between PTN nodes, and configures ODU2
SNCP is protected, and wherein ODU represents (Optical channel Data Unit, Optical Channel Data Unit-k), SNCP
SNCP is represented, as shown in figure 3, ODU2 SNCP protections are configured by OTN equipment
One piece of tributary card, two pieces of wiring boards and cross board realize the dual transmitting and receiving of signal, are capable of achieving the line to OTN
Road plate, optical amplifier board, light multiplex/inside between partial wave plate and veneer connect fine and line cable and realize protection.
Under normal circumstances, tributary card only receives the primary signal of operating path, when the primary Signal Fail of OTN equipment
Or during deterioration, space signal is received, and to realize protection, because all switching completes in OTN aspects,
OTN still keeps normal for the 10GE links that PTN is provided, so that PTN network unaware.
3) when OTN tributary card failures, tail optical fiber failure or PTN device are die certainly between OTN and PTN
During barrier, when ODU2 SNCP protections cannot be played a role, at this moment start PTN looped network protections.Detailed process bag
Include：Looped network inside can automatically create 4 looped network tunnels, building ring RCW respectively clockwise, clockwise guarantor
Retaining ring RCP, building ring RAW counterclockwise, protection ring RAP counterclockwise.Under normal circumstances, such as Fig. 4 institutes
Show, all of LSP tunnel operate in building ring RCW or counterclockwise building ring RAW tunnels clockwise.
When looped network is switched, as shown in figure 5, business goes to the NE Discovery failure for breaking down so as to start
Switch, the opposite end net of failure network element is gone in the ring tunnel that service switching to opposite direction is protected along this tunnel
Unit, then service aisle (RAW or RCW) is switched to, it is further continued for going to lower circling point forward, so as to complete
Looped network protection switching.By taking the business of A-B-C-D in Fig. 4 as an example, when occurring interruption of optical cables between B-C,
The service switching of A-B-C-D is A (RAW) → B (RAW) → B (RCP) → A (RCP) → F
(RCP) → E (RCP) → D (RCP) → C (RCP) → C (RAW) → D (RAW) is (such as
Shown in Fig. 5).
Part III, convergence-level
The OTN of convergence-level is the service connection of offer 10GE between PTN nodes, and configures ODU2 SNCP
Protection, when a failure occurs it, OTN first starts ODU2 SNCP protections, PTN unawares.Work as ODU2
During SNCP shielding failures, start PTN looped network protections or MC-PW APS.ODU2 SNCP, looped network are protected
Shield switching is identical with core layer.
Part IV, Access Layer；
PTN configures looped network protection and MC-PW APS protections, when a failure occurs it, looped network is started first and is protected
Shield, if not configuring looped network protection, starts MC-PW APS.Looped network protection, MC-PW APS and convergence
Layer is identical.
Based on the embodiment shown in figure 2 above to Fig. 5, it is described below in the embodiment of the present invention
OTN+PTN carries protection flow during TD-LTE business, and Fig. 6 is the OTN+PTN of the embodiment of the present invention one
Protection schematic flow sheet during TD-LTE business is carried, as shown in fig. 6, the flow includes：
Step S601, the primary L3 PTN B nodes failure of operation layer；
Step S602, enables VRRP dual-homing protection and VPN FRR protections；
Step S603, core layer L2/L3 PTN A node failures；
Step S604, starts looped network protection or LSP APS；
Step S605, Cable's Fault or OTN node failures between core layer node；
Step S606, starts OTN ODUK SNCP protections, PTN network unaware；
During step S607, OTN ODUK SNCP shielding failures, start PTN looped network protections；
Step S608, Cable's Fault or OTN node failures between convergence-level node；
Step S609, starts OTN ODUK SNCP protections, PTN network unaware；
During step S610, OTN ODUK SNCP shielding failures, start looped network protection.
Embodiment two
Based on foregoing embodiment one, the embodiment of the present invention provides a kind of based on OTN+PTN group-network constructions
The guard method of TD-LTE business, Fig. 7 is that the embodiment of the present invention two is based on OTN+PTN group-network constructions
Schematic flow sheet is realized in the guard method of TD-LTE business, as shown in fig. 7, the method includes：
Step S701, timesharing Long Term Evolution is carried using optical transfer network and Packet Transport Network OTN+PTN
TD-LTE business；
Step S702, configures Optical Channel Data Unit-k k SNCPs ODUk in the OTN
SNCP；
Here, the k is integer, and such as ODUk can be ODU0, ODU2 etc.；
Step S703, when the core layer and/or convergence-level of OTN break down, by the ODUk
SNCP is switched the Internet in OTN by the TD-LTE business, so that PTN network unaware.
Here, the ODUk SNCP that configured in the OTN are protected, including：By in the OTN
One piece of tributary card, two pieces of wiring boards and cross board are configured in OTN equipment in network, for realizing signal
Dual transmitting and receiving (shown in Figure 3).
Here, it is described by the ODUk SNCP by all Internets switched in OTN, including：
When the OTN networks are normal, the tributary card only receives the primary signal of operating path, works as OTN
When the primary Signal Fail of equipment or deterioration, the tributary card receives space signal.
In the embodiment of the present invention, methods described also includes：
When the tributary card failure in the OTN equipment, and tail optical fiber failure between the OTN and PTN
Or during PTN device faults itself, start the looped network protection or MC-PW APS of the PTN.
Here, the looped network protection for starting the PTN, including：The meeting inside looped network in the PTN
4 looped network tunnels are automatically created, it is building ring RCW respectively clockwise, protection ring RCP clockwise, inverse
Hour hands building ring RAW, protection ring RAP counterclockwise.
Here, the looped network protection uses following working method：When the looped network switches (normal
In the case of) when, all of LSP tunnel operate in building ring RCW or counterclockwise building rings clockwise
RAW tunnels；After the looped network is switched, when the TD-LTE business is transferred to the net for breaking down
Unit, it is found that fault initiating is switched, and the TD-LTE business is switched to the ring tunnel of opposite direction protection, edge
This tunnel and go to the opposite end network element of failure network element, then be switched to service aisle RAW or RCW, then
Lower circling point is gone to forward in continuation, so as to complete looped network protection switching.
Embodiment three
Fig. 8 is the network diagram of the anti-multipoint fault of the embodiment of the present invention three, below by taking Fig. 8 as an example, to three
Network multipoint fault ability in the case of kind carries out labor：
1) with layer homonymy, optical cable blocking (node 1 and section at node failure and at Access Layer homonymy appearance one
During 2 simultaneous faults of point), node 1 and node 4 trigger looped network protection switching application as fault detecting point, circuitous
Loop footpath is：8 → node of node 1 → node, 3 → node, 5 → node, 4 → node, 6 → node 10.
2) there is Cable's Fault (failure of node 2) in different layer homonymy, Access Layer, while convergence-level occurs
PTN node failures (failure of node 3) at one, node 2, node 4 and node 6 are used as fault detecting point
Looped network protection switching application is triggered, circuitous path is：Node 1 → node, 5 → node, 7 → node, 6 → node
8 → node 10.
There is Cable's Fault (2 failure) in Access Layer, while convergence-level occurs OTN Cable's Faults at
(4 failure), looped network protection switching application is triggered in Access Layer 2,4 nodes as fault detecting point.OTN 11、
12 nodes trigger ODUK SNCP pretection switch applications, and convergence-level is switched all in OTN network levels,
PTN convergence-levels are to failure unaware.Circuitous path is：5 → node of node 1 → node, 3 → node 4 → section
6 → node of point, 8 → node 10.
3) there is Cable's Fault (failure of node 2) in different layer heteropleural, Access Layer, while convergence-level occurs
PTN node failures (failure of node 5) at one, node 2, node 4, node 5 and node 7 are used as failure
Test point triggers looped network protection switching application, and circuitous path is：5 → node of node 1 → node, 3 → node 4
6 → node of → node, 8 → node 10.
There is Cable's Fault (failure of node 2) in Access Layer, while convergence-level occurs OTN optical cables at
Failure (failure of node 6), in Access Layer 2,4 nodes as fault detecting point triggering looped network protection switching Shen
Please.Node 13 and node 14 the triggering ODUK SNCP pretection switch applications of OTN, convergence-level are switched entirely
In OTN network levels, PTN convergence-levels are to failure unaware in portion.Circuitous path is：1 → node of node 3
8 → node of → node 5 → node, 4 → node, 6 → node 10.
There is Cable's Fault (failure of node 2) in Access Layer, convergence-level occurs PTN node failures at
(failure of node 5), at the same core layer occur one at Cable's Fault (failure of node 7), node 2, node 4,
Node 5, node 7, node 6 and node 8 trigger looped network protection switching application as fault detecting point, roundabout
Path is：9 → node of node 1 → node, 3 → node, 5 → node, 4 → node, 6 → node, 7 → node 10.
From the analysis of the embodiment of the present invention as can be seen that the embodiment of the present invention is with the difference of existing scheme,
Technical scheme provided in an embodiment of the present invention proposes core in the relevant programme on the basis of the protection mechanism of operation layer
The protection mechanism of central layer, convergence-level and Access Layer：1) OTN is only that PTN provides 10G in relevant programme
Radio frequency channel, is not provided with any protection mechanism, and all pretection switch are in PTN aspects；And the embodiment of the present invention
Propose to be protected using ODUK SNCP in OTN；When OTN core layers and convergence-level break down,
Protected by ODUK SNCP and switched all in OTN network levels, so that PTN network is noninductive
Know.2) PTN is MC-PW protections in relevant programme, when there is the network failure of different ring and heteropleural
Will be unable to realization and switch protection；And the embodiment of the present invention proposes to dispose PTN ring network structures looped network protection, can
Realize the protection of different ring heteropleural multipoint fault.From the above, it can be seen that the embodiment of the present invention have it is following excellent
Point：The embodiment of the present invention compensate for the protection leak of existing OTN+PTN network carryings TD-LTE, not only
The demand for security of TD-LTE BTS services is met, and meets end-by-end security guarantee, even more improved
OTN+PTN carries the network security ability of TD-LTE.
Example IV
Based on foregoing embodiment, the embodiment of the present invention provides a kind of protection system of TD-LTE business, its
It is characterised by, the system includes optical transfer network OTN and Packet Transport Network PTN, wherein：
The optical transfer network OTN, for carrying timesharing Long Term Evolution TD-LTE with Packet Transport Network PTN
Business；
OTN equipment in the OTN, for configuring Optical Channel Data Unit-k k subnets in the OTN
Connection protection ODUk SNCP；And when the core layer and/or convergence-level of OTN break down, by institute
State ODUk SNCP and the TD-LTE business switched into Internet in OTN so that PTN network without
Perceive.
Here, the OTN equipment is included by configuring one in the OTN equipment in the OTN networks
Block tributary card, two pieces of wiring boards and cross board.When the OTN networks are normal, the tributary card only connects
The primary signal of operating path is received, when primary Signal Fail or the deterioration of OTN equipment, the tributary card connects
Receive space signal.
Here, the PTN, for when the tributary card failure in the OTN equipment, and the OTN
The tail optical fiber failure or during PTN device faults itself between PTN, start the PTN looped network protection or
MC-PW APS.Wherein, the PTN, for 4 can be automatically created inside looped network in the PTN
Looped network tunnel, building ring RCW respectively clockwise, protection ring RCP clockwise, building ring RAW counterclockwise,
Protection ring RAP counterclockwise.Here, the looped network protection uses following working method：
When the looped network is switched, all of LSP tunnel operate in building ring RCW clockwise
Or building ring RAW tunnels counterclockwise；
After the looped network is switched, when the TD-LTE business is transferred to the network element for breaking down, hair
Existing fault initiating is switched, and the TD-LTE business is switched to the ring tunnel of opposite direction protection, along this
The opposite end network element of failure network element is gone in tunnel, then is switched to service aisle RAW or RCW, is further continued for past
Before go to lower circling point, so as to complete looped network protection switching.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text means and reality
Applying the relevant special characteristic of example, structure or characteristic is included at least one embodiment of the present invention.Therefore,
" in one embodiment " or " in one embodiment " occurred everywhere in entire disclosure not necessarily refers to
Identical embodiment.Additionally, these specific feature, structure or characteristics can be combined in any suitable manner
In one or more embodiments.It should be understood that in various embodiments of the present invention, the sequence of above-mentioned each process
Number size be not meant to the priority of execution sequence, the execution sequence of each process should be patrolled with its function and inherence
Collect and determine, the implementation process without tackling the embodiment of the present invention constitutes any restriction.The embodiments of the present invention
Sequence number is for illustration only, and the quality of embodiment is not represented.
It should be noted that herein, term " including ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or dress including a series of key elements
Putting not only includes those key elements, but also other key elements including being not expressly set out, or also including being
This process, method, article or the intrinsic key element of device.In the absence of more restrictions, by
The key element that sentence "including a ..." is limited, it is not excluded that in the process including the key element, method, thing
Also there is other identical element in product or device.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, can
To realize by another way.Apparatus embodiments described above are only schematical, for example, institute
The division of unit is stated, only a kind of division of logic function there can be other dividing mode when actually realizing,
Such as：Multiple units or component can be combined, or be desirably integrated into another system, or some features can be neglected
Slightly, or do not perform.In addition, the coupling each other of shown or discussed each part or directly coupling
Close or communication connection can be that the INDIRECT COUPLING or communication connection of equipment or unit can by some interfaces
Be it is electrical, machinery or other forms.
It is above-mentioned as separating component illustrate unit can be or may not be it is physically separate, as
The part that unit shows can be or may not be physical location；Both a place had been may be located at, also might be used
To be distributed on multiple NEs；Part or all of unit therein can be according to the actual needs selected
Realize the purpose of this embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing unit,
Can also be each unit individually as a unit, it is also possible to which two or more units are integrated in one
In individual unit；Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ hardware adds soft
The form of part functional unit is realized.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above method embodiment can
To be completed by the related hardware of programmed instruction, foregoing program can be stored in embodied on computer readable storage
In medium, the program upon execution, performs the step of including above method embodiment；And foregoing storage is situated between
Matter includes：Movable storage device, read-only storage (Read Only Memory, ROM), magnetic disc or
CD etc. is various can be with the medium of store program codes.
Or, if the above-mentioned integrated unit of the present invention is using realization in the form of software function module and as independently
Production marketing or when using, it is also possible to storage is in a computer read/write memory medium.Based on so
Understanding, the part that the technical scheme of the embodiment of the present invention substantially contributes to prior art in other words can
Embodied with the form of software product, the computer software product is stored in a storage medium, bag
Some instructions are included to be used to so that a computer equipment (can be personal computer, server or network
Equipment etc.) perform all or part of each embodiment methods described of the invention.And foregoing storage medium bag
Include：Movable storage device, ROM, magnetic disc or CD etc. are various can be with the medium of store program codes.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited to
This, any one skilled in the art the invention discloses technical scope in, can readily occur in
Change or replacement, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should
It is defined by the scope of the claims.
Claims (10)
1. a kind of guard method of TD-LTE business, it is characterised in that methods described includes：
Timesharing Long Term Evolution TD-LTE business is carried using optical transfer network and Packet Transport Network OTN+PTN；
Optical Channel Data Unit-k k SNCP ODUk SNCP are configured in the OTN；
When the core layer and/or convergence-level of OTN break down, will be described by the ODUk SNCP
TD-LTE business switches the Internet in OTN, so that PTN network unaware.
2. method according to claim 1, it is characterised in that described to configure ODUk in the OTN
SNCP is protected, including：
By in the OTN equipment in the OTN networks configure one piece of tributary card, two pieces of wiring boards and
Cross board, the dual transmitting and receiving for realizing signal.
3. method according to claim 2, it is characterised in that described by the ODUk SNCP
By all Internets switched in OTN, including：
When the OTN networks are normal, the tributary card only receives the primary signal of operating path, works as OTN
When the primary Signal Fail of equipment or deterioration, the tributary card receives space signal.
4. according to the method in claim 2 or 3, it is characterised in that methods described also includes：
When the tributary card failure in the OTN equipment, and tail optical fiber failure between the OTN and PTN
Or during PTN device faults itself, start the looped network protection or MC-PW APS of the PTN.
5. method according to claim 4, it is characterised in that the looped network of the startup PTN
Protection, including：
4 looped network tunnels, building ring respectively clockwise can be automatically created inside looped network in the PTN
RCW, protection ring RCP clockwise, building ring RAW counterclockwise, protection ring RAP counterclockwise.
6. the method according to claim 4 or 5, it is characterised in that the looped network protection is using as follows
Working method：
When the looped network is switched, all of LSP tunnel operate in building ring RCW clockwise
Or building ring RAW tunnels counterclockwise；
After the looped network is switched, when the TD-LTE business is transferred to the network element for breaking down, hair
Existing fault initiating is switched, and the TD-LTE business is switched to the ring tunnel of opposite direction protection, along this
The opposite end network element of failure network element is gone in tunnel, then is switched to service aisle RAW or RCW, is further continued for past
Before go to lower circling point, so as to complete looped network protection switching.
7. a kind of protection system of TD-LTE business, it is characterised in that the system includes optical transfer network
OTN and Packet Transport Network PTN, wherein：
The optical transfer network OTN, for carrying timesharing Long Term Evolution TD-LTE with Packet Transport Network PTN
Business；
OTN equipment in the OTN, for configuring Optical Channel Data Unit-k k subnets in the OTN
Connection protection ODUk SNCP；And when the core layer and/or convergence-level of OTN break down, by institute
State ODUk SNCP and the TD-LTE business switched into Internet in OTN so that PTN network without
Perceive.
8. system according to claim 7, it is characterised in that the OTN equipment include by
One piece of tributary card, two pieces of wiring boards and cross board are configured in OTN equipment in the OTN networks.
9. system according to claim 8, it is characterised in that the OTN equipment, for working as
State OTN networks it is normal when, the tributary card only receives the primary signal of operating path, when OTN equipment
When primary Signal Fail or deterioration, the tributary card receives space signal.
10. the system according to claim 7 or 8, it is characterised in that the PTN, for working as
When stating the tributary card failure in OTN equipment, and tail optical fiber failure or PTN between the OTN and PTN
During equipment faults itself, start the looped network protection or MC-PW APS of the PTN.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109962734A (en) * | 2017-12-26 | 2019-07-02 | 中国移动通信集团公司 | A kind of network system and data transmission method |
| CN110830106A (en) * | 2018-08-08 | 2020-02-21 | 中兴通讯股份有限公司 | Optical channel protection method, device, equipment and computer readable storage medium |
| CN111682896A (en) * | 2020-05-13 | 2020-09-18 | 烽火通信科技股份有限公司 | Method and system for protecting multipoint broken fibers in communication network |
| CN111836288A (en) * | 2019-04-23 | 2020-10-27 | 中国移动通信集团河北有限公司 | Fault positioning method, device, equipment and computer storage medium |
| CN114079631A (en) * | 2020-08-10 | 2022-02-22 | 中国移动通信集团浙江有限公司 | PTN networking and base station service protection method, device, equipment and storage medium |
| CN114599053A (en) * | 2020-12-07 | 2022-06-07 | 中国移动通信集团山西有限公司 | Networking and networking protection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101471837A (en) * | 2007-12-27 | 2009-07-01 | 华为技术有限公司 | Optical channel data cell sharing protection ring, signal transmission method and network node |
| CN101599798A (en) * | 2009-07-02 | 2009-12-09 | 中兴通讯股份有限公司 | Handle the method and the device of multi-span section working channel fault in the annular optical transport network |
| CN101651511A (en) * | 2008-08-15 | 2010-02-17 | 中兴通讯股份有限公司 | Method and device for bridging transfer of cross connection service of synchronous digital hierarchy |
| US20130114953A1 (en) * | 2011-11-07 | 2013-05-09 | Ciena Corporation | Optical transport network port protection systems and methods using flexible switch criteria |
| CN103269318A (en) * | 2013-04-18 | 2013-08-28 | 广西广播电视信息网络股份有限公司 | IP (Internet Protocol) multicasting signal method of OTN (Optical Transport Network) broadcast |
-
2015
- 2015-12-23 CN CN201510978199.XA patent/CN106911377A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101471837A (en) * | 2007-12-27 | 2009-07-01 | 华为技术有限公司 | Optical channel data cell sharing protection ring, signal transmission method and network node |
| CN101651511A (en) * | 2008-08-15 | 2010-02-17 | 中兴通讯股份有限公司 | Method and device for bridging transfer of cross connection service of synchronous digital hierarchy |
| CN101599798A (en) * | 2009-07-02 | 2009-12-09 | 中兴通讯股份有限公司 | Handle the method and the device of multi-span section working channel fault in the annular optical transport network |
| US20130114953A1 (en) * | 2011-11-07 | 2013-05-09 | Ciena Corporation | Optical transport network port protection systems and methods using flexible switch criteria |
| CN103269318A (en) * | 2013-04-18 | 2013-08-28 | 广西广播电视信息网络股份有限公司 | IP (Internet Protocol) multicasting signal method of OTN (Optical Transport Network) broadcast |
Non-Patent Citations (2)
| Title |
|---|
| 刘靖: "OTN网络中的子波长SNCP保护分析", 《科技致富向导》 * |
| 魏涛: "OTN+ PTN联合组网模式分析", 《电信科学》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109962734A (en) * | 2017-12-26 | 2019-07-02 | 中国移动通信集团公司 | A kind of network system and data transmission method |
| CN110830106A (en) * | 2018-08-08 | 2020-02-21 | 中兴通讯股份有限公司 | Optical channel protection method, device, equipment and computer readable storage medium |
| CN110830106B (en) * | 2018-08-08 | 2022-03-18 | 中兴通讯股份有限公司 | Optical channel protection method, device, equipment and computer readable storage medium |
| CN111836288A (en) * | 2019-04-23 | 2020-10-27 | 中国移动通信集团河北有限公司 | Fault positioning method, device, equipment and computer storage medium |
| CN111836288B (en) * | 2019-04-23 | 2023-08-15 | 中国移动通信集团河北有限公司 | Fault positioning method, device, equipment and computer storage medium |
| CN111682896A (en) * | 2020-05-13 | 2020-09-18 | 烽火通信科技股份有限公司 | Method and system for protecting multipoint broken fibers in communication network |
| CN114079631A (en) * | 2020-08-10 | 2022-02-22 | 中国移动通信集团浙江有限公司 | PTN networking and base station service protection method, device, equipment and storage medium |
| CN114599053A (en) * | 2020-12-07 | 2022-06-07 | 中国移动通信集团山西有限公司 | Networking and networking protection method |
| CN114599053B (en) * | 2020-12-07 | 2024-04-09 | 中国移动通信集团山西有限公司 | Networking and networking protection method |
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Application publication date: 20170630 |